diff options
112 files changed, 6613 insertions, 3545 deletions
diff --git a/.travis.yml b/.travis.yml index 4659503e9..0084bf9c2 100644 --- a/.travis.yml +++ b/.travis.yml @@ -11,8 +11,8 @@ install: # - go get golang.org/x/tools/cmd/vet - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi - go get github.com/mattn/goveralls - - go get -d github.com/obscuren/qml && cd $HOME/gopath/src/github.com/obscuren/qml && git checkout v1 && cd $TRAVIS_BUILD_DIR - - ETH_DEPS=$(go list -f '{{.Imports}} {{.TestImports}} {{.XTestImports}}' github.com/ethereum/go-ethereum/... | sed -e 's/\[//g' | sed -e 's/\]//g' | sed -e 's/C //g'); if [ "$ETH_DEPS" ]; then go get -d $ETH_DEPS; fi + - go get gopkg.in/check.v1 + - DEPS=$(go list -f '{{.Imports}}' ./... | sed -e 's/\[//g' | sed -e 's/\]//g' | sed -e 's/C //g'); if [ "$DEPS" ]; then go get -d -v $DEPS; fi before_script: - gofmt -l -w . - goimports -l -w . @@ -20,7 +20,9 @@ before_script: # - go vet ./... # - go test -race ./... script: - - ./gocoverage.sh && if [ "$COVERALLS_TOKEN" ]; then goveralls -coverprofile=profile.cov -service=travis-ci -repotoken $COVERALLS_TOKEN; fi + - ./gocoverage.sh +after_success: + - if [ "$COVERALLS_TOKEN" ]; then goveralls -coverprofile=profile.cov -service=travis-ci -repotoken $COVERALLS_TOKEN; fi env: global: - PKG_CONFIG_PATH=/opt/qt54/lib/pkgconfig diff --git a/Dockerfile b/Dockerfile index 771d19746..6e29a638d 100644 --- a/Dockerfile +++ b/Dockerfile @@ -21,13 +21,10 @@ RUN apt-get install -y qt54quickcontrols qt54webengine ## Build and install latest Go RUN git clone https://go.googlesource.com/go golang RUN cd golang && git checkout go1.4.1 -RUN cd golang/src && ./all.bash && go version +RUN cd golang/src && ./make.bash && go version -## Fetch and install QML -RUN go get -u -v -d github.com/obscuren/qml -WORKDIR $GOPATH/src/github.com/obscuren/qml -RUN git checkout v1 -RUN go install -v +# this is a workaround, to make sure that docker's cache is invalidated whenever the git repo changes +ADD https://api.github.com/repos/ethereum/go-ethereum/git/refs/heads/develop file_does_not_exist ## Fetch and install go-ethereum RUN go get -u -v -d github.com/ethereum/go-ethereum/... @@ -29,7 +29,7 @@ For further, detailed, build instruction please see the [Wiki](https://github.co Automated (dev) builds ====================== -* [[OS X](http://build.ethdev.com/builds/OSX%20Go%20develop%20branch/latest/app/)] +* [[OS X](http://build.ethdev.com/builds/OSX%20Go%20develop%20branch/Mist-OSX-latest.dmg)] * [Windows] Coming soon™ * [Linux] Coming soon™ diff --git a/cmd/bootnode/main.go b/cmd/bootnode/main.go new file mode 100644 index 000000000..dda9f34d4 --- /dev/null +++ b/cmd/bootnode/main.go @@ -0,0 +1,93 @@ +/* + This file is part of go-ethereum + + go-ethereum is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + go-ethereum is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. +*/ + +// Command bootnode runs a bootstrap node for the Discovery Protocol. +package main + +import ( + "crypto/ecdsa" + "encoding/hex" + "flag" + "fmt" + "io/ioutil" + "log" + "os" + + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p/discover" + "github.com/ethereum/go-ethereum/p2p/nat" +) + +func main() { + var ( + listenAddr = flag.String("addr", ":30301", "listen address") + genKey = flag.String("genkey", "", "generate a node key and quit") + nodeKeyFile = flag.String("nodekey", "", "private key filename") + nodeKeyHex = flag.String("nodekeyhex", "", "private key as hex (for testing)") + natdesc = flag.String("nat", "none", "port mapping mechanism (any|none|upnp|pmp|extip:<IP>)") + + nodeKey *ecdsa.PrivateKey + err error + ) + flag.Parse() + logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.DebugLevel)) + + if *genKey != "" { + writeKey(*genKey) + os.Exit(0) + } + + natm, err := nat.Parse(*natdesc) + if err != nil { + log.Fatalf("-nat: %v", err) + } + switch { + case *nodeKeyFile == "" && *nodeKeyHex == "": + log.Fatal("Use -nodekey or -nodekeyhex to specify a private key") + case *nodeKeyFile != "" && *nodeKeyHex != "": + log.Fatal("Options -nodekey and -nodekeyhex are mutually exclusive") + case *nodeKeyFile != "": + if nodeKey, err = crypto.LoadECDSA(*nodeKeyFile); err != nil { + log.Fatalf("-nodekey: %v", err) + } + case *nodeKeyHex != "": + if nodeKey, err = crypto.HexToECDSA(*nodeKeyHex); err != nil { + log.Fatalf("-nodekeyhex: %v", err) + } + } + + if _, err := discover.ListenUDP(nodeKey, *listenAddr, natm); err != nil { + log.Fatal(err) + } + select {} +} + +func writeKey(target string) { + key, err := crypto.GenerateKey() + if err != nil { + log.Fatal("could not generate key: %v", err) + } + b := crypto.FromECDSA(key) + if target == "-" { + fmt.Println(hex.EncodeToString(b)) + } else { + if err := ioutil.WriteFile(target, b, 0600); err != nil { + log.Fatal("write error: ", err) + } + } +} diff --git a/cmd/ethereum/flags.go b/cmd/ethereum/flags.go index af57c6a67..1e6869a69 100644 --- a/cmd/ethereum/flags.go +++ b/cmd/ethereum/flags.go @@ -21,6 +21,7 @@ package main import ( + "crypto/ecdsa" "flag" "fmt" "log" @@ -28,7 +29,9 @@ import ( "os/user" "path" + "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p/nat" "github.com/ethereum/go-ethereum/vm" ) @@ -42,14 +45,14 @@ var ( StartWebSockets bool RpcPort int WsPort int - NatType string - PMPGateway string OutboundPort string ShowGenesis bool AddPeer string MaxPeer int GenAddr bool - SeedNode string + BootNodes string + NodeKey *ecdsa.PrivateKey + NAT nat.Interface SecretFile string ExportDir string NonInteractive bool @@ -58,6 +61,7 @@ var ( ConfigFile string DebugFile string LogLevel int + LogFormat string Dump bool DumpHash string DumpNumber int @@ -83,6 +87,7 @@ func defaultDataDir() string { var defaultConfigFile = path.Join(defaultDataDir(), "conf.ini") func Init() { + // TODO: move common flag processing to cmd/util flag.Usage = func() { fmt.Fprintf(os.Stderr, "%s [options] [filename]:\noptions precedence: default < config file < environment variables < command line\n", os.Args[0]) flag.PrintDefaults() @@ -92,18 +97,12 @@ func Init() { flag.StringVar(&Identifier, "id", "", "Custom client identifier") flag.StringVar(&KeyRing, "keyring", "", "identifier for keyring to use") flag.StringVar(&KeyStore, "keystore", "db", "system to store keyrings: db|file (db)") - flag.StringVar(&OutboundPort, "port", "30303", "listening port") - flag.StringVar(&NatType, "nat", "", "NAT support (UPNP|PMP) (none)") - flag.StringVar(&PMPGateway, "pmp", "", "Gateway IP for PMP") - flag.IntVar(&MaxPeer, "maxpeer", 30, "maximum desired peers") + flag.IntVar(&RpcPort, "rpcport", 8545, "port to start json-rpc server on") flag.IntVar(&WsPort, "wsport", 40404, "port to start websocket rpc server on") flag.BoolVar(&StartRpc, "rpc", false, "start rpc server") flag.BoolVar(&StartWebSockets, "ws", false, "start websocket server") flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)") - flag.StringVar(&SeedNode, "seednode", "poc-8.ethdev.com:30303", "ip:port of seed node to connect to. Set to blank for skip") - flag.BoolVar(&SHH, "shh", true, "whisper protocol (on)") - flag.BoolVar(&Dial, "dial", true, "dial out connections (on)") flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key") flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)") flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given") @@ -112,6 +111,7 @@ func Init() { flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file") flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)") flag.IntVar(&LogLevel, "loglevel", int(logger.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)") + flag.StringVar(&LogFormat, "logformat", "std", "logformat: std,raw)") flag.BoolVar(&DiffTool, "difftool", false, "creates output for diff'ing. Sets LogLevel=0") flag.StringVar(&DiffType, "diff", "all", "sets the level of diff output [vm, all]. Has no effect if difftool=false") flag.BoolVar(&ShowGenesis, "genesis", false, "Dump the genesis block") @@ -125,8 +125,38 @@ func Init() { flag.BoolVar(&StartJsConsole, "js", false, "launches javascript console") flag.BoolVar(&PrintVersion, "version", false, "prints version number") + // Network stuff + var ( + nodeKeyFile = flag.String("nodekey", "", "network private key file") + nodeKeyHex = flag.String("nodekeyhex", "", "network private key (for testing)") + natstr = flag.String("nat", "any", "port mapping mechanism (any|none|upnp|pmp|extip:<IP>)") + ) + flag.BoolVar(&Dial, "dial", true, "dial out connections (default on)") + flag.BoolVar(&SHH, "shh", true, "run whisper protocol (default on)") + flag.StringVar(&OutboundPort, "port", "30303", "listening port") + + flag.StringVar(&BootNodes, "bootnodes", "", "space-separated node URLs for discovery bootstrap") + flag.IntVar(&MaxPeer, "maxpeer", 30, "maximum desired peers") + flag.Parse() + var err error + if NAT, err = nat.Parse(*natstr); err != nil { + log.Fatalf("-nat: %v", err) + } + switch { + case *nodeKeyFile != "" && *nodeKeyHex != "": + log.Fatal("Options -nodekey and -nodekeyhex are mutually exclusive") + case *nodeKeyFile != "": + if NodeKey, err = crypto.LoadECDSA(*nodeKeyFile); err != nil { + log.Fatalf("-nodekey: %v", err) + } + case *nodeKeyHex != "": + if NodeKey, err = crypto.HexToECDSA(*nodeKeyHex); err != nil { + log.Fatalf("-nodekeyhex: %v", err) + } + } + if VmType >= int(vm.MaxVmTy) { log.Fatal("Invalid VM type ", VmType) } diff --git a/cmd/ethereum/main.go b/cmd/ethereum/main.go index 4b16fb79f..0dba462be 100644 --- a/cmd/ethereum/main.go +++ b/cmd/ethereum/main.go @@ -31,12 +31,13 @@ import ( "github.com/ethereum/go-ethereum/eth" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/state" ) const ( ClientIdentifier = "Ethereum(G)" - Version = "0.8.2" + Version = "0.8.3" ) var clilogger = logger.NewLogger("CLI") @@ -61,20 +62,19 @@ func main() { utils.InitConfig(VmType, ConfigFile, Datadir, "ETH") ethereum, err := eth.New(ð.Config{ - Name: ClientIdentifier, - Version: Version, - KeyStore: KeyStore, - DataDir: Datadir, - LogFile: LogFile, - LogLevel: LogLevel, - Identifier: Identifier, - MaxPeers: MaxPeer, - Port: OutboundPort, - NATType: PMPGateway, - PMPGateway: PMPGateway, - KeyRing: KeyRing, - Shh: SHH, - Dial: Dial, + Name: p2p.MakeName(ClientIdentifier, Version), + KeyStore: KeyStore, + DataDir: Datadir, + LogFile: LogFile, + LogLevel: LogLevel, + MaxPeers: MaxPeer, + Port: OutboundPort, + NAT: NAT, + KeyRing: KeyRing, + Shh: SHH, + Dial: Dial, + BootNodes: BootNodes, + NodeKey: NodeKey, }) if err != nil { @@ -134,7 +134,7 @@ func main() { utils.StartWebSockets(ethereum, WsPort) } - utils.StartEthereum(ethereum, SeedNode) + utils.StartEthereum(ethereum) if StartJsConsole { InitJsConsole(ethereum) diff --git a/cmd/mist/assets/backButton.png b/cmd/mist/assets/backButton.png Binary files differnew file mode 100644 index 000000000..eef997434 --- /dev/null +++ b/cmd/mist/assets/backButton.png diff --git a/cmd/mist/assets/backButton@2x.png b/cmd/mist/assets/backButton@2x.png Binary files differnew file mode 100644 index 000000000..b72fd73f4 --- /dev/null +++ b/cmd/mist/assets/backButton@2x.png diff --git a/cmd/mist/assets/examples/coin.html b/cmd/mist/assets/examples/coin.html index 1e8a1cad9..ca7a9c0dd 100644 --- a/cmd/mist/assets/examples/coin.html +++ b/cmd/mist/assets/examples/coin.html @@ -7,7 +7,7 @@ </head> <body> -<h1>JevCoin</h1> +<h1>JevCoin <code id="contract_addr"></code></h1> <div> <strong>Balance</strong> <span id="balance"></strong> @@ -20,7 +20,11 @@ <button onclick="transact()">Send</button> </div> +<hr> + <table width="100%" id="table"> + <tr><td style="width:40%;">Address</td><td>Balance</td></tr> + <tbody id="table_body"></tbody> </table> </body> @@ -29,9 +33,8 @@ var web3 = require('web3'); var eth = web3.eth; - web3.setProvider(new - web3.providers.HttpSyncProvider('http://localhost:8545')); - var desc = [{ + web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8545')); + var desc = [{ "name": "balance(address)", "type": "function", "inputs": [{ @@ -55,57 +58,90 @@ }], "outputs": [] }, { - "name":"Changed", + "name":"received", "type":"event", "inputs": [ - {"name":"to","type":"address","indexed":true}, - {"name":"amount","type":"uint256","indexed":false}, + {"name":"from","type":"address","indexed":true}, + {"name":"amount","type":"uint256","indexed":true}, ], }]; - var address = web3.db.get("jevcoin", "address"); - if( address.length == 0 ) { - var code = "0x60056011565b60b88060356000396000f35b64e8d4a51000600033600160a060020a0316600052602052604060002081905550560060e060020a6000350480637bb98a68146028578063d0679d34146034578063e3d670d714604657005b602e60b3565b60006000f35b60406004356024356059565b60006000f35b604f6004356091565b8060005260206000f35b8060005281600160a060020a03167fb52dda022b6c1a1f40905a85f257f689aa5d69d850e49cf939d688fbe5af594660206000a25050565b6000600082600160a060020a03166000526020526040600020549050919050565b5b60008156"; - address = web3.eth.transact({ - data: code, - gasPrice: "1000000000000000", - gas: "10000", - }); - web3.db.put("jevcoin", "address", address); - } + var address = localStorage.getItem("address"); + // deploy if not exist + if (address == null) { + var code = "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"; + address = web3.eth.transact({data: code}); + localStorage.setItem("address", address); + } + document.querySelector("#contract_addr").innerHTML = address.toUpperCase(); var contract = web3.eth.contract(address, desc); - contract.Changed({to: "0xaa"}).changed(function(e) { - console.log("e: " + JSON.stringify(e)); + contract.received({from: eth.coinbase}).changed(function() { + refresh(); + }); + + var ev = contract.SingleTransact({}) + ev.watch(function(log) { + someElement.innerHTML += "tnaheousnthaoeu"; + }); + + eth.watch('chain').changed(function() { + refresh(); }); - contract.send( "0xaa", 10000 ); - function reflesh() { - document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase); - var table = document.querySelector("#table"); + function refresh() { + document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase); + + var table = document.querySelector("#table_body"); table.innerHTML = ""; // clear var storage = eth.storageAt(address); + table.innerHTML = ""; for( var item in storage ) { - table.innerHTML += "<tr><td>"+item+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>"; + table.innerHTML += "<tr><td>"+item.toUpperCase()+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>"; } } function transact() { var to = document.querySelector("#address").value; - if( to.length == 0 ) { - to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3"; - } else { - to = "0x"+to; - } + if( to.length == 0 ) { + to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3"; + } else { + to = "0x"+to; + } var value = parseInt( document.querySelector("#amount").value ); - contract.transact({gas: "10000", gasprice: eth.gasPrice}).send( to, value ); + contract.send( to, value ); } - reflesh(); + refresh(); </script> - </html> +<!-- +contract JevCoin { + function JevCoin() + { + balances[msg.sender] = 1000000; + } + + event changed(address indexed from, address indexed to); + function send(address to, uint value) + { + if( balances[msg.sender] < value ) return; + + balances[msg.sender] -= value; + balances[to] += value; + + changed(msg.sender, to); + } + + function balance(address who) constant returns(uint t) + { + t = balances[who]; + } + + mapping(address => uint256) balances; + } +-!> diff --git a/cmd/mist/assets/examples/coin.js b/cmd/mist/assets/examples/coin.js new file mode 100644 index 000000000..77daac846 --- /dev/null +++ b/cmd/mist/assets/examples/coin.js @@ -0,0 +1,65 @@ +var walletABI = [ + { + "name":"confirm", + "type":"function", + "constant":false, + "inputs":[ + {"name":"_h","type":"hash256"} + ], + "outputs":[] + },{ + "name":"execute", + "constant":false, + "type":"function", + "inputs":[ + {"name":"_to","type":"address"}, + {"name":"_value","type":"uint256"}, + {"name":"_data","type":"bytes"} + ], + "outputs":[ + {"name":"_r","type":"hash256"} + ] + },{ + "name":"kill", + "type":"function", + "constant":false, + "inputs":[ + {"name":"_to","type":"address"} + ], + "outputs":[] + },{ + "name":"changeOwner", + "type":"function", + "constant":false, + "inputs":[ + {"name":"_from","type":"address"}, + {"name":"_to","type":"address"} + ], + "outputs":[] + },{ + "name":"CashIn", + "type":"event", + "inputs":[ + {"indexed":false,"name":"value","type":"uint256"} + ] + },{ + "name":"SingleTransact", + "type":"event", + "inputs":[ + {"indexed":true,"name":"out","type":"string32"}, + {"indexed":false,"name":"owner","type":"address"}, + {"indexed":false,"name":"value","type":"uint256"}, + {"indexed":false,"name":"to","type":"address"} + ] + },{ + "name":"MultiTransact", + "type":"event", + "inputs":[ + {"indexed":true,"name":"out","type":"string32"}, + {"indexed":false,"name":"owner","type":"address"}, + {"indexed":false,"name":"operation","type":"hash256"}, + {"indexed":false,"name":"value","type":"uint256"}, + {"indexed":false,"name":"to","type":"address"} + ] + } +]; 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- addPlugin("./views/miner.qml", {noAdd: true, close: false, section: "ethereum", active: true}); - - addPlugin("./views/transaction.qml", {noAdd: true, close: false, section: "legacy"}); - addPlugin("./views/whisper.qml", {noAdd: true, close: false, section: "legacy"}); - addPlugin("./views/chain.qml", {noAdd: true, close: false, section: "legacy"}); - addPlugin("./views/pending_tx.qml", {noAdd: true, close: false, section: "legacy"}); - addPlugin("./views/info.qml", {noAdd: true, close: false, section: "legacy"}); - - mainSplit.setView(wallet.view, wallet.menuItem); - - newBrowserTab(eth.assetPath("html/home.html")); - - // Command setup - gui.sendCommand(0) - } - - function activeView(view, menuItem) { - mainSplit.setView(view, menuItem) - if (view.hideUrl) { - urlPane.visible = false; - mainView.anchors.top = rootView.top - } else { - urlPane.visible = true; - mainView.anchors.top = divider.bottom - } - } - - function addViews(view, path, options) { - var views = mainSplit.addComponent(view, options) - views.menuItem.path = path - - mainSplit.views.push(views); - - if(!options.noAdd) { - gui.addPlugin(path) - } - - return views - } - - function addPlugin(path, options) { - try { - if(typeof(path) === "string" && /^https?/.test(path)) { - console.log('load http') - Http.request(path, function(o) { - if(o.status === 200) { - var view = Qt.createQmlObject(o.responseText, mainView, path) - addViews(view, path, options) - } - }) - - return - } - - var component = Qt.createComponent(path); - if(component.status != Component.Ready) { - if(component.status == Component.Error) { - ethx.note("error: ", component.errorString()); - } - - return - } - - var view = mainView.createView(component, options) - var views = addViews(view, path, options) - - return views - } catch(e) { - console.log(e) - } - } - - function newBrowserTab(url) { - var window = addPlugin("./views/browser.qml", {noAdd: true, close: true, section: "apps", active: true}); - window.view.url = url; - window.menuItem.title = "Mist"; - activeView(window.view, window.menuItem); - } - - menuBar: MenuBar { - Menu { - title: "File" - MenuItem { - text: "Import App" - shortcut: "Ctrl+o" - onTriggered: { - generalFileDialog.show(true, importApp) - } - } - - MenuItem { - text: "Add plugin" - onTriggered: { - generalFileDialog.show(true, function(path) { - addPlugin(path, {close: true, section: "apps"}) - }) - } - } - - MenuItem { - text: "New tab" - shortcut: "Ctrl+t" - onTriggered: { - newBrowserTab("about:blank"); - } - } - - MenuSeparator {} - - MenuItem { - text: "Import key" - shortcut: "Ctrl+i" - onTriggered: { - generalFileDialog.show(true, function(path) { - gui.importKey(path) - }) - } - } - - MenuItem { - text: "Export keys" - shortcut: "Ctrl+e" - onTriggered: { - generalFileDialog.show(false, function(path) { - }) - } - } - - } - - Menu { - title: "Developer" - MenuItem { - iconSource: "../icecream.png" - text: "Debugger" - shortcut: "Ctrl+d" - onTriggered: eth.startDebugger() - } - - MenuItem { - text: "Import Tx" - onTriggered: { - txImportDialog.visible = true - } - } - - MenuItem { - text: "Run JS file" - onTriggered: { - generalFileDialog.show(true, function(path) { - eth.evalJavascriptFile(path) - }) - } - } - - MenuItem { - text: "Dump state" - onTriggered: { - generalFileDialog.show(false, function(path) { - // Empty hash for latest - gui.dumpState("", path) - }) - } - } - - MenuSeparator {} - } - - Menu { - title: "Network" - MenuItem { - text: "Add Peer" - shortcut: "Ctrl+p" - onTriggered: { - addPeerWin.visible = true - } - } - MenuItem { - text: "Show Peers" - shortcut: "Ctrl+e" - onTriggered: { - peerWindow.visible = true - } - } - } - - Menu { - title: "Help" - MenuItem { - text: "About" - onTriggered: { - aboutWin.visible = true - } - } - } - - Menu { - title: "GLOBAL SHORTCUTS" - visible: false - MenuItem { - visible: false - shortcut: "Ctrl+l" - onTriggered: { - url.focus = true - } - } - } - } - - statusBar: StatusBar { - //height: 32 - id: statusBar - Label { - //y: 6 - id: walletValueLabel - - font.pixelSize: 10 - styleColor: "#797979" - } - - Label { - //y: 6 - objectName: "miningLabel" - visible: true - font.pixelSize: 10 - anchors.right: lastBlockLabel.left - anchors.rightMargin: 5 - } - - Label { - //y: 6 - id: lastBlockLabel - objectName: "lastBlockLabel" - visible: true - text: "" - font.pixelSize: 10 - anchors.right: peerGroup.left - anchors.rightMargin: 5 - } - - ProgressBar { - visible: false - id: downloadIndicator - value: 0 - objectName: "downloadIndicator" - y: -4 - x: statusBar.width / 2 - this.width / 2 - width: 160 - } - - Label { - visible: false - objectName: "downloadLabel" - //y: 7 - anchors.left: downloadIndicator.right - anchors.leftMargin: 5 - font.pixelSize: 10 - text: "0 / 0" - } - - - RowLayout { - id: peerGroup - //y: 7 - anchors.right: parent.right - MouseArea { - onDoubleClicked: peerWindow.visible = true - anchors.fill: parent - } - - Label { - id: peerLabel - font.pixelSize: 10 - text: "0 / 0" - } - } - } - - - property var blockModel: ListModel { - id: blockModel - } - - SplitView { - property var views: []; - - id: mainSplit - anchors.fill: parent - resizing: false - - function setView(view, menu) { - for(var i = 0; i < views.length; i++) { - views[i].view.visible = false - views[i].menuItem.setSelection(false) - } - view.visible = true - menu.setSelection(true) - } - - function addComponent(view, options) { - view.visible = false - view.anchors.fill = mainView - - var menuItem = menu.createMenuItem(view, options); - if( view.hasOwnProperty("menuItem") ) { - view.menuItem = menuItem; - } - - if( view.hasOwnProperty("onReady") ) { - view.onReady.call(view) - } - - if( options.active ) { - setView(view, menuItem) - } - - - return {view: view, menuItem: menuItem} - } - - /********************* - * Main menu. - ********************/ - Rectangle { - id: menu - Layout.minimumWidth: 210 - Layout.maximumWidth: 210 - anchors.top: parent.top - color: "#ececec" - - Component { - id: menuItemTemplate - Rectangle { - id: menuItem - property var view; - property var path; - property var closable; - - property alias title: label.text - property alias icon: icon.source - property alias secondaryTitle: secondary.text - function setSelection(on) { - sel.visible = on - } - - width: 206 - height: 28 - color: "#00000000" - - anchors { - left: parent.left - leftMargin: 4 - } - - Rectangle { - id: sel - visible: false - anchors.fill: parent - color: "#00000000" - Rectangle { - id: r - anchors.fill: parent - border.color: "#CCCCCC" - border.width: 1 - radius: 5 - color: "#FFFFFFFF" - } - Rectangle { - anchors { - top: r.top - bottom: r.bottom - right: r.right - } - width: 10 - color: "#FFFFFFFF" - - Rectangle { - anchors { - left: parent.left - right: parent.right - top: parent.top - } - height: 1 - color: "#CCCCCC" - } - - Rectangle { - anchors { - left: parent.left - right: parent.right - bottom: parent.bottom - } - height: 1 - color: "#CCCCCC" - } - } - } - - MouseArea { - anchors.fill: parent - onClicked: { - activeView(view, menuItem); - } - } - - Image { - id: icon - height: 20 - width: 20 - anchors { - left: parent.left - verticalCenter: parent.verticalCenter - leftMargin: 3 - } - MouseArea { - anchors.fill: parent - onClicked: { - menuItem.closeApp() - } - } - } - - Text { - id: label - anchors { - left: icon.right - verticalCenter: parent.verticalCenter - leftMargin: 3 - } - - color: "#0D0A01" - font.pixelSize: 12 - } - - Text { - id: secondary - anchors { - right: parent.right - rightMargin: 8 - verticalCenter: parent.verticalCenter - } - color: "#AEADBE" - font.pixelSize: 12 - } - - - function closeApp() { - if(!this.closable) { return; } - - if(this.view.hasOwnProperty("onDestroy")) { - this.view.onDestroy.call(this.view) - } - - this.view.destroy() - this.destroy() - for (var i = 0; i < mainSplit.views.length; i++) { - var view = mainSplit.views[i]; - if (view.menuItem === this) { - mainSplit.views.splice(i, 1); - break; - } - } - gui.removePlugin(this.path) - activeView(mainSplit.views[0].view, mainSplit.views[0].menuItem); - } - } - } - - function createMenuItem(view, options) { - if(options === undefined) { - options = {}; - } - - var section; - switch(options.section) { - case "ethereum": - section = menuDefault; - break; - case "legacy": - section = menuLegacy; - break; - default: - section = menuApps; - break; - } - - var comp = menuItemTemplate.createObject(section) - comp.view = view - comp.title = view.title - - if(view.hasOwnProperty("iconSource")) { - comp.icon = view.iconSource; - } - comp.closable = options.close; - - return comp - } - - ColumnLayout { - id: menuColumn - y: 10 - width: parent.width - anchors.left: parent.left - anchors.right: parent.right - spacing: 3 - - Text { - text: "ETHEREUM" - font.bold: true - anchors { - left: parent.left - leftMargin: 5 - } - color: "#888888" - } - - ColumnLayout { - id: menuDefault - spacing: 3 - anchors { - left: parent.left - right: parent.right - } - } - - - Text { - text: "NET" - font.bold: true - anchors { - left: parent.left - leftMargin: 5 - } - color: "#888888" - } - - ColumnLayout { - id: menuApps - spacing: 3 - anchors { - left: parent.left - right: parent.right - } - } - - Text { - text: "DEBUG" - font.bold: true - anchors { - left: parent.left - leftMargin: 5 - } - color: "#888888" - } - - ColumnLayout { - id: menuLegacy - spacing: 3 - anchors { - left: parent.left - right: parent.right - } - } - } - } - - /********************* - * Main view - ********************/ - Rectangle { - id: rootView - anchors.right: parent.right - anchors.left: menu.right - anchors.bottom: parent.bottom - anchors.top: parent.top - color: "#00000000" - - Rectangle { - id: urlPane - height: 40 - color: "#00000000" - anchors { - left: parent.left - right: parent.right - leftMargin: 5 - rightMargin: 5 - top: parent.top - topMargin: 5 - } - TextField { - id: url - objectName: "url" - placeholderText: "DApp URL" - anchors { - left: parent.left - right: parent.right - top: parent.top - topMargin: 5 - rightMargin: 5 - leftMargin: 5 - } - - Keys.onReturnPressed: { - if(/^https?/.test(this.text)) { - newBrowserTab(this.text); - } else { - addPlugin(this.text, {close: true, section: "apps"}) - } - } - } - - } - - // Border - Rectangle { - id: divider - anchors { - left: parent.left - right: parent.right - top: urlPane.bottom - } - z: -1 - height: 1 - color: "#CCCCCC" - } - - Rectangle { - id: mainView - color: "#00000000" - anchors.right: parent.right - anchors.left: parent.left - anchors.bottom: parent.bottom - anchors.top: divider.bottom - - function createView(component) { - var view = component.createObject(mainView) - - return view; - } - } - } - } - - - /****************** - * Dialogs - *****************/ - FileDialog { - id: generalFileDialog - property var callback; - onAccepted: { - var path = this.fileUrl.toString(); - callback.call(this, path); - } - - function show(selectExisting, callback) { - generalFileDialog.callback = callback; - generalFileDialog.selectExisting = selectExisting; - - this.open(); - } - } - - - /****************** - * Wallet functions - *****************/ - function importApp(path) { - var ext = path.split('.').pop() - if(ext == "html" || ext == "htm") { - eth.openHtml(path) - }else if(ext == "qml"){ - addPlugin(path, {close: true, section: "apps"}) - } - } - - - function setWalletValue(value) { - walletValueLabel.text = value - } - - function loadPlugin(name) { - console.log("Loading plugin" + name) - var view = mainView.addPlugin(name) - } - - function setPeers(text) { - peerLabel.text = text - } - - function addPeer(peer) { - // We could just append the whole peer object but it cries if you try to alter them - peerModel.append({ip: peer.ip, port: peer.port, lastResponse:timeAgo(peer.lastSend), latency: peer.latency, version: peer.version, caps: peer.caps}) - } - - function resetPeers(){ - peerModel.clear() - } - - function timeAgo(unixTs){ - var lapsed = (Date.now() - new Date(unixTs*1000)) / 1000 - return (lapsed + " seconds ago") - } - - function convertToPretty(unixTs){ - var a = new Date(unixTs*1000); - var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']; - var year = a.getFullYear(); - var month = months[a.getMonth()]; - var date = a.getDate(); - var hour = a.getHours(); - var min = a.getMinutes(); - var sec = a.getSeconds(); - var time = date+' '+month+' '+year+' '+hour+':'+min+':'+sec ; - return time; - } - - /********************** - * Windows - *********************/ - Window { - id: peerWindow - //flags: Qt.CustomizeWindowHint | Qt.Tool | Qt.WindowCloseButtonHint - height: 200 - width: 700 - Rectangle { - anchors.fill: parent - property var peerModel: ListModel { - id: peerModel - } - TableView { - anchors.fill: parent - id: peerTable - model: peerModel - TableViewColumn{width: 200; role: "ip" ; title: "IP" } - TableViewColumn{width: 260; role: "version" ; title: "Version" } - TableViewColumn{width: 180; role: "caps" ; title: "Capabilities" } - } - } - } - - Window { - id: aboutWin - visible: false - title: "About" - minimumWidth: 350 - maximumWidth: 350 - maximumHeight: 280 - minimumHeight: 280 - - Image { - id: aboutIcon - height: 150 - width: 150 - fillMode: Image.PreserveAspectFit - smooth: true - source: "../facet.png" - x: 10 - y: 30 - } - - Text { - anchors.left: aboutIcon.right - anchors.leftMargin: 10 - anchors.top: parent.top - anchors.topMargin: 30 - font.pointSize: 12 - text: "<h2>Mist (0.7.10)</h2><br><h3>Development</h3>Jeffrey Wilcke<br>Viktor Trón<br>Felix Lange<br>Taylor Gerring<br>Daniel Nagy<br><h3>UX</h3>Alex van de Sande<br>" - } - } - - Window { - id: txImportDialog - minimumWidth: 270 - maximumWidth: 270 - maximumHeight: 50 - minimumHeight: 50 - TextField { - id: txImportField - width: 170 - anchors.verticalCenter: parent.verticalCenter - anchors.left: parent.left - anchors.leftMargin: 10 - onAccepted: { - } - } - Button { - anchors.left: txImportField.right - anchors.verticalCenter: parent.verticalCenter - anchors.leftMargin: 5 - text: "Import" - onClicked: { - eth.importTx(txImportField.text) - txImportField.visible = false - } - } - Component.onCompleted: { - addrField.focus = true - } - } - - Window { - id: addPeerWin - visible: false - minimumWidth: 300 - maximumWidth: 300 - maximumHeight: 50 - minimumHeight: 50 - title: "Connect to peer" - - ComboBox { - id: addrField - anchors.verticalCenter: parent.verticalCenter - anchors.left: parent.left - anchors.right: addPeerButton.left - anchors.leftMargin: 10 - anchors.rightMargin: 10 - onAccepted: { - eth.connectToPeer(addrField.currentText) - addPeerWin.visible = false - } - - editable: true - model: ListModel { id: pastPeers } - - Component.onCompleted: { - pastPeers.insert(0, {text: "poc-8.ethdev.com:30303"}) - /* - var ips = eth.pastPeers() - for(var i = 0; i < ips.length; i++) { - pastPeers.append({text: ips.get(i)}) - } - - pastPeers.insert(0, {text: "poc-7.ethdev.com:30303"}) - */ - } - } - Button { - id: addPeerButton - anchors.right: parent.right - anchors.verticalCenter: parent.verticalCenter - anchors.rightMargin: 10 - text: "Add" - onClicked: { - eth.connectToPeer(addrField.currentText) - addPeerWin.visible = false - } +ApplicationWindow { + id: root + + //flags: Qt.FramelessWindowHint + // Use this to make the window frameless. But then you'll need to do move and resize by hand + + property var ethx : Eth.ethx + property var catalog; + + width: 1200 + height: 820 + minimumHeight: 600 + minimumWidth: 800 + + title: "Mist" + + TextField { + id: copyElementHax + visible: false + } + + function copyToClipboard(text) { + copyElementHax.text = text + copyElementHax.selectAll() + copyElementHax.copy() + } + + // Takes care of loading all default plugins + Component.onCompleted: { + + catalog = addPlugin("./views/catalog.qml", {noAdd: true, close: false, section: "begin"}); + var wallet = addPlugin("./views/wallet.qml", {noAdd: true, close: false, section: "ethereum", active: true}); + + addPlugin("./views/miner.qml", {noAdd: true, close: false, section: "ethereum", active: true}); + addPlugin("./views/transaction.qml", {noAdd: true, close: false, section: "legacy"}); + addPlugin("./views/whisper.qml", {noAdd: true, close: false, section: "legacy"}); + addPlugin("./views/chain.qml", {noAdd: true, close: false, section: "legacy"}); + addPlugin("./views/pending_tx.qml", {noAdd: true, close: false, section: "legacy"}); + addPlugin("./views/info.qml", {noAdd: true, close: false, section: "legacy"}); + + mainSplit.setView(catalog.view, catalog.menuItem); + + //newBrowserTab("http://ethereum-dapp-catalog.meteor.com"); + + // Command setup + gui.sendCommand(0) + } + + function activeView(view, menuItem) { + mainSplit.setView(view, menuItem) + if (view.hideUrl) { + //urlPane.visible = false; + //mainView.anchors.top = rootView.top + } else { + //urlPane.visible = true; + //mainView.anchors.top = divider.bottom + } + } + + function addViews(view, path, options) { + var views = mainSplit.addComponent(view, options) + views.menuItem.path = path + + mainSplit.views.push(views); + + if(!options.noAdd) { + gui.addPlugin(path) + } + + return views + } + + function addPlugin(path, options) { + try { + if(typeof(path) === "string" && /^https?/.test(path)) { + console.log('load http') + Http.request(path, function(o) { + if(o.status === 200) { + var view = Qt.createQmlObject(o.responseText, mainView, path) + addViews(view, path, options) + } + }) + + return + } + + var component = Qt.createComponent(path); + if(component.status != Component.Ready) { + if(component.status == Component.Error) { + ethx.note("error: ", component.errorString()); + } + + return + } + + var view = mainView.createView(component, options) + var views = addViews(view, path, options) + + return views + } catch(e) { + console.log(e) + } + } + + function newBrowserTab(url) { + + var urlMatches = url.toString().match(/^[a-z]*\:\/\/([^\/?#]+)(?:[\/?#]|$)/i); + var requestedDomain = urlMatches && urlMatches[1]; + + var domainAlreadyOpen = false; + + console.log("requested: " + requestedDomain ) + + for(var i = 0; i < mainSplit.views.length; i++) { + if (mainSplit.views[i].view.url) { + var matches = mainSplit.views[i].view.url.toString().match(/^[a-z]*\:\/\/(?:www\.)?([^\/?#]+)(?:[\/?#]|$)/i); + var existingDomain = matches && matches[1]; + console.log("exists: " + existingDomain); + if (requestedDomain == existingDomain) { + domainAlreadyOpen = true; + mainSplit.views[i].view.url = url; + activeView(mainSplit.views[i].view, mainSplit.views[i].menuItem); + } + } + } + + if (!domainAlreadyOpen) { + var window = addPlugin("./views/browser.qml", {noAdd: true, close: true, section: "apps", active: true}); + window.view.url = url; + window.menuItem.title = "Mist"; + activeView(window.view, window.menuItem); + } + } + + + + menuBar: MenuBar { + Menu { + title: "File" + MenuItem { + text: "Import App" + shortcut: "Ctrl+o" + onTriggered: { + generalFileDialog.show(true, importApp) + } + } + + MenuItem { + text: "Add plugin" + onTriggered: { + generalFileDialog.show(true, function(path) { + addPlugin(path, {close: true, section: "apps"}) + }) + } + } + + MenuItem { + text: "New tab" + shortcut: "Ctrl+t" + onTriggered: { + activeView(catalog.view, catalog.menuItem); + } + } + + MenuSeparator {} + + MenuItem { + text: "Import key" + shortcut: "Ctrl+i" + onTriggered: { + generalFileDialog.show(true, function(path) { + gui.importKey(path) + }) + } + } + + MenuItem { + text: "Export keys" + shortcut: "Ctrl+e" + onTriggered: { + generalFileDialog.show(false, function(path) { + }) + } + } + + } + + Menu { + title: "Developer" + MenuItem { + iconSource: "../icecream.png" + text: "Debugger" + shortcut: "Ctrl+d" + onTriggered: eth.startDebugger() + } + + MenuItem { + text: "Import Tx" + onTriggered: { + txImportDialog.visible = true + } + } + + MenuItem { + text: "Run JS file" + onTriggered: { + generalFileDialog.show(true, function(path) { + eth.evalJavascriptFile(path) + }) + } + } + + MenuItem { + text: "Dump state" + onTriggered: { + generalFileDialog.show(false, function(path) { + // Empty hash for latest + gui.dumpState("", path) + }) + } + } + + MenuSeparator {} + } + + Menu { + title: "Network" + MenuItem { + text: "Add Peer" + shortcut: "Ctrl+p" + onTriggered: { + addPeerWin.visible = true + } + } + MenuItem { + text: "Show Peers" + shortcut: "Ctrl+e" + onTriggered: { + peerWindow.visible = true + } + } + } + + Menu { + title: "Help" + MenuItem { + text: "About" + onTriggered: { + aboutWin.visible = true + } + } + } + + Menu { + title: "GLOBAL SHORTCUTS" + visible: false + MenuItem { + visible: false + shortcut: "Ctrl+l" + onTriggered: { + url.focus = true + } + } + } + } + + statusBar: StatusBar { + //height: 32 + visible: false + + id: statusBar + Label { + //y: 6 + id: walletValueLabel + + font.pixelSize: 10 + styleColor: "#797979" + } + + /* + Label { + //y: 6 + objectName: "miningLabel" + visible: true + font.pixelSize: 10 + anchors.right: lastBlockLabel.left + anchors.rightMargin: 5 + } + + Label { + id: lastBlockLabel + objectName: "lastBlockLabel" + visible: true + text: "---" + font.pixelSize: 10 + anchors.right: peerGroup.left + anchors.rightMargin: 5 + } + */ + + ProgressBar { + visible: false + id: downloadIndicator + value: 0 + objectName: "downloadIndicator" + y: -4 + x: statusBar.width / 2 - this.width / 2 + width: 160 + } + + Label { + visible: false + objectName: "downloadLabel" + //y: 7 + anchors.left: downloadIndicator.right + anchors.leftMargin: 5 + font.pixelSize: 10 + text: "0 / 0" + } + + + RowLayout { + id: peerGroup + //y: 7 + anchors.right: parent.right + MouseArea { + onDoubleClicked: peerWindow.visible = true + anchors.fill: parent + } + + Label { + id: peerLabel + font.pixelSize: 10 + text: "0 / 0" + } + } + } + + + property var blockModel: ListModel { + id: blockModel + } + + SplitView { + property var views: []; + + id: mainSplit + anchors.fill: parent + //resizing: false // this is NOT where we remove that damning resizing handle.. + handleDelegate: Item { + //This handle is a way to remove the line between the split views + Rectangle { + anchors.fill: parent + } + } + + function setView(view, menu) { + for(var i = 0; i < views.length; i++) { + views[i].view.visible = false + views[i].menuItem.setSelection(false) + } + view.visible = true + menu.setSelection(true) + } + + function addComponent(view, options) { + view.visible = false + view.anchors.fill = mainView + + var menuItem = menu.createMenuItem(view, options); + if( view.hasOwnProperty("menuItem") ) { + view.menuItem = menuItem; + } + + if( view.hasOwnProperty("onReady") ) { + view.onReady.call(view) + } + + if( options.active ) { + setView(view, menuItem) + } + + + return {view: view, menuItem: menuItem} + } + + /********************* + * Main menu. + ********************/ + Rectangle { + id: menu + Layout.minimumWidth: 192 + Layout.maximumWidth: 192 + + FontLoader { + id: sourceSansPro + source: "fonts/SourceSansPro-Regular.ttf" + } + FontLoader { + source: "fonts/SourceSansPro-Semibold.ttf" + } + FontLoader { + source: "fonts/SourceSansPro-Bold.ttf" + } + FontLoader { + source: "fonts/SourceSansPro-Black.ttf" + } + FontLoader { + source: "fonts/SourceSansPro-Light.ttf" + } + FontLoader { + source: "fonts/SourceSansPro-ExtraLight.ttf" + } + FontLoader { + id: simpleLineIcons + source: "fonts/Simple-Line-Icons.ttf" + } + + Rectangle { + color: "steelblue" + anchors.fill: parent + + MouseArea { + anchors.fill: parent + property real lastMouseX: 0 + property real lastMouseY: 0 + onPressed: { + lastMouseX = mouseX + lastMouseY = mouseY + } + onPositionChanged: { + root.x += (mouseX - lastMouseX) + root.y += (mouseY - lastMouseY) + } + /*onDoubleClicked: { + //!maximized ? view.set_max() : view.set_normal()} + visibility = "Minimized" + }*/ + } + } + + + + anchors.top: parent.top + Rectangle { + width: parent.height + height: parent.width + anchors.centerIn: parent + rotation: 90 + + gradient: Gradient { + GradientStop { position: 0.0; color: "#E2DEDE" } + GradientStop { position: 0.1; color: "#EBE8E8" } + GradientStop { position: 1.0; color: "#EBE8E8" } + } + } + + Component { + id: menuItemTemplate + Rectangle { + id: menuItem + property var view; + property var path; + property var closable; + + property alias title: label.text + property alias icon: icon.source + property alias secondaryTitle: secondary.text + function setSelection(on) { + sel.visible = on + + if (this.closable == true) { + closeIcon.visible = on + } + } + + function setAsBigButton(on) { + newAppButton.visible = on + label.visible = !on + buttonLabel.visible = on + } + + width: 192 + height: 55 + color: "#00000000" + + anchors { + left: parent.left + leftMargin: 4 + } + + Rectangle { + // New App Button + id: newAppButton + visible: false + anchors.fill: parent + anchors.rightMargin: 8 + border.width: 0 + radius: 5 + height: 55 + width: 180 + color: "#F3F1F3" + } + + Rectangle { + id: sel + visible: false + anchors.fill: parent + color: "#00000000" + Rectangle { + id: r + anchors.fill: parent + border.width: 0 + radius: 5 + color: "#FAFAFA" + } + Rectangle { + anchors { + top: r.top + bottom: r.bottom + right: r.right + } + width: 10 + color: "#FAFAFA" + border.width:0 + + Rectangle { + // Small line on top of selection. What's this for? + anchors { + left: parent.left + right: parent.right + top: parent.top + } + height: 1 + color: "#FAFAFA" + } + + Rectangle { + // Small line on bottom of selection. What's this for again? + anchors { + left: parent.left + right: parent.right + bottom: parent.bottom + } + height: 1 + color: "#FAFAFA" + } + } + } + + MouseArea { + anchors.fill: parent + hoverEnabled: true + onClicked: { + activeView(view, menuItem); + } + onEntered: { + if (parent.closable == true) { + closeIcon.visible = sel.visible + } + + } + onExited: { + closeIcon.visible = false + } + } + + Image { + id: icon + height: 24 + width: 24 + anchors { + left: parent.left + verticalCenter: parent.verticalCenter + leftMargin: 6 + } + } + + Text { + id: buttonLabel + visible: false + text: "GO TO NEW APP" + font.family: sourceSansPro.name + font.weight: Font.DemiBold + anchors.horizontalCenter: parent.horizontalCenter + anchors.verticalCenter: parent.verticalCenter + color: "#AAA0A0" + } + + Text { + id: label + font.family: sourceSansPro.name + font.weight: Font.DemiBold + anchors { + left: icon.right + verticalCenter: parent.verticalCenter + leftMargin: 6 + // verticalCenterOffset: -10 + } + x:250 + color: "#665F5F" + font.pixelSize: 14 + } + + + Text { + id: secondary + font.family: sourceSansPro.name + font.weight: Font.Light + anchors { + left: icon.right + leftMargin: 6 + top: label.bottom + } + color: "#6691C2" + font.pixelSize: 12 + } + + Rectangle { + id: closeIcon + visible: false + width: 10 + height: 10 + color: "#FFFFFF" + anchors { + fill: icon + } + + MouseArea { + anchors.fill: parent + onClicked: { + menuItem.closeApp() + } + } + + Text { + + font.family: simpleLineIcons.name + anchors { + centerIn: parent + } + color: "#665F5F" + font.pixelSize: 18 + text: "\ue082" + } + } + + + + function closeApp() { + if(!this.closable) { return; } + + if(this.view.hasOwnProperty("onDestroy")) { + this.view.onDestroy.call(this.view) + } + + this.view.destroy() + this.destroy() + for (var i = 0; i < mainSplit.views.length; i++) { + var view = mainSplit.views[i]; + if (view.menuItem === this) { + mainSplit.views.splice(i, 1); + break; + } + } + gui.removePlugin(this.path) + activeView(mainSplit.views[0].view, mainSplit.views[0].menuItem); + } + } + } + + function createMenuItem(view, options) { + if(options === undefined) { + options = {}; + } + + var section; + switch(options.section) { + case "begin": + section = menuBegin + break; + case "ethereum": + section = menuDefault; + break; + case "legacy": + section = menuLegacy; + break; + default: + section = menuApps; + break; + } + + var comp = menuItemTemplate.createObject(section) + comp.view = view + comp.title = view.title + + if(view.hasOwnProperty("iconSource")) { + comp.icon = view.iconSource; + } + comp.closable = options.close; + + if (options.section === "begin") { + comp.setAsBigButton(true) + } + + return comp + } + + ColumnLayout { + id: menuColumn + y: 10 + width: parent.width + anchors.left: parent.left + anchors.right: parent.right + spacing: 3 + + + + ColumnLayout { + id: menuBegin + spacing: 3 + anchors { + left: parent.left + right: parent.right + } + } + + Rectangle { + height: 55 + color: "transparent" + Text { + text: "ETHEREUM" + font.family: sourceSansPro.name + font.weight: Font.DemiBold + anchors { + left: parent.left + top: parent.verticalCenter + leftMargin: 16 + } + color: "#AAA0A0" + } + } + + + ColumnLayout { + id: menuDefault + spacing: 3 + anchors { + left: parent.left + right: parent.right + } + } + + Rectangle { + height: 55 + color: "transparent" + Text { + text: "APPS" + font.family: sourceSansPro.name + font.weight: Font.DemiBold + anchors { + left: parent.left + top: parent.verticalCenter + leftMargin: 16 + } + color: "#AAA0A0" + } + } + + ColumnLayout { + id: menuApps + spacing: 3 + anchors { + left: parent.left + right: parent.right + } + } + + Rectangle { + height: 55 + color: "transparent" + Text { + text: "DEBUG" + font.family: sourceSansPro.name + font.weight: Font.DemiBold + anchors { + left: parent.left + top: parent.verticalCenter + leftMargin: 16 + } + color: "#AAA0A0" + } + } + + + ColumnLayout { + id: menuLegacy + spacing: 3 + anchors { + left: parent.left + right: parent.right + } + } + } + } + + /********************* + * Main view + ********************/ + Rectangle { + id: rootView + anchors.right: parent.right + anchors.left: menu.right + anchors.bottom: parent.bottom + anchors.top: parent.top + color: "#00000000" + + /*Rectangle { + id: urlPane + height: 40 + color: "#00000000" + anchors { + left: parent.left + right: parent.right + leftMargin: 5 + rightMargin: 5 + top: parent.top + topMargin: 5 + } + TextField { + id: url + objectName: "url" + placeholderText: "DApp URL" + anchors { + left: parent.left + right: parent.right + top: parent.top + topMargin: 5 + rightMargin: 5 + leftMargin: 5 + } + + Keys.onReturnPressed: { + if(/^https?/.test(this.text)) { + newBrowserTab(this.text); + } else { + addPlugin(this.text, {close: true, section: "apps"}) + } + } + } + + } + + // Border + Rectangle { + id: divider + anchors { + left: parent.left + right: parent.right + top: urlPane.bottom + } + z: -1 + height: 1 + color: "#CCCCCC" + }*/ + + Rectangle { + id: mainView + color: "#00000000" + anchors.right: parent.right + anchors.left: parent.left + anchors.bottom: parent.bottom + anchors.top: parent.top + + function createView(component) { + var view = component.createObject(mainView) + + return view; + } + } + } + } + + + /****************** + * Dialogs + *****************/ + FileDialog { + id: generalFileDialog + property var callback; + onAccepted: { + var path = this.fileUrl.toString(); + callback.call(this, path); + } + + function show(selectExisting, callback) { + generalFileDialog.callback = callback; + generalFileDialog.selectExisting = selectExisting; + + this.open(); + } + } + + + /****************** + * Wallet functions + *****************/ + function importApp(path) { + var ext = path.split('.').pop() + if(ext == "html" || ext == "htm") { + eth.openHtml(path) + }else if(ext == "qml"){ + addPlugin(path, {close: true, section: "apps"}) + } + } + + + function setWalletValue(value) { + walletValueLabel.text = value + } + + function loadPlugin(name) { + console.log("Loading plugin" + name) + var view = mainView.addPlugin(name) + } + + function setPeers(text) { + peerLabel.text = text + } + + function addPeer(peer) { + // We could just append the whole peer object but it cries if you try to alter them + peerModel.append({ip: peer.ip, port: peer.port, lastResponse:timeAgo(peer.lastSend), latency: peer.latency, version: peer.version, caps: peer.caps}) + } + + function resetPeers(){ + peerModel.clear() + } + + function timeAgo(unixTs){ + var lapsed = (Date.now() - new Date(unixTs*1000)) / 1000 + return (lapsed + " seconds ago") + } + + function convertToPretty(unixTs){ + var a = new Date(unixTs*1000); + var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']; + var year = a.getFullYear(); + var month = months[a.getMonth()]; + var date = a.getDate(); + var hour = a.getHours(); + var min = a.getMinutes(); + var sec = a.getSeconds(); + var time = date+' '+month+' '+year+' '+hour+':'+min+':'+sec ; + return time; + } + + /********************** + * Windows + *********************/ + Window { + id: peerWindow + //flags: Qt.CustomizeWindowHint | Qt.Tool | Qt.WindowCloseButtonHint + height: 200 + width: 700 + Rectangle { + anchors.fill: parent + property var peerModel: ListModel { + id: peerModel + } + TableView { + anchors.fill: parent + id: peerTable + model: peerModel + TableViewColumn{width: 200; role: "ip" ; title: "IP" } + TableViewColumn{width: 260; role: "version" ; title: "Version" } + TableViewColumn{width: 180; role: "caps" ; title: "Capabilities" } + } + } + } + + Window { + id: aboutWin + visible: false + title: "About" + minimumWidth: 350 + maximumWidth: 350 + maximumHeight: 280 + minimumHeight: 280 + + Image { + id: aboutIcon + height: 150 + width: 150 + fillMode: Image.PreserveAspectFit + smooth: true + source: "../facet.png" + x: 10 + y: 30 + } + + Text { + anchors.left: aboutIcon.right + anchors.leftMargin: 10 + anchors.top: parent.top + anchors.topMargin: 30 + font.pointSize: 12 + text: "<h2>Mist (0.7.10)</h2><br><h3>Development</h3>Jeffrey Wilcke<br>Viktor Trón<br>Felix Lange<br>Taylor Gerring<br>Daniel Nagy<br><h3>UX</h3>Alex van de Sande<br>" + } + } + + Window { + id: txImportDialog + minimumWidth: 270 + maximumWidth: 270 + maximumHeight: 50 + minimumHeight: 50 + TextField { + id: txImportField + width: 170 + anchors.verticalCenter: parent.verticalCenter + anchors.left: parent.left + anchors.leftMargin: 10 + onAccepted: { + } + } + Button { + anchors.left: txImportField.right + anchors.verticalCenter: parent.verticalCenter + anchors.leftMargin: 5 + text: "Import" + onClicked: { + eth.importTx(txImportField.text) + txImportField.visible = false + } + } + Component.onCompleted: { + addrField.focus = true + } + } + + Window { + id: addPeerWin + visible: false + minimumWidth: 400 + maximumWidth: 400 + maximumHeight: 50 + minimumHeight: 50 + title: "Connect to peer" + + TextField { + id: addrField + anchors.verticalCenter: parent.verticalCenter + anchors.left: parent.left + anchors.right: addPeerButton.left + anchors.leftMargin: 10 + anchors.rightMargin: 10 + placeholderText: "enode://<hex node id>:<IP address>:<port>" + onAccepted: { + if(addrField.text.length != 0) { + eth.connectToPeer(addrField.text) + addPeerWin.visible = false } - Component.onCompleted: { - addrField.focus = true + } + } + + Button { + id: addPeerButton + anchors.right: parent.right + anchors.verticalCenter: parent.verticalCenter + anchors.rightMargin: 10 + text: "Connect" + onClicked: { + if(addrField.text.length != 0) { + eth.connectToPeer(addrField.text) + addPeerWin.visible = false } - } + } + } + Component.onCompleted: { + addrField.focus = true + } + } } diff --git a/cmd/mist/assets/qml/views/browser.qml b/cmd/mist/assets/qml/views/browser.qml index 277a5b7eb..04b2229ec 100644 --- a/cmd/mist/assets/qml/views/browser.qml +++ b/cmd/mist/assets/qml/views/browser.qml @@ -56,12 +56,34 @@ Rectangle { //uriNav.text = uri.text.replace(/(^https?\:\/\/(?:www\.)?)([a-zA-Z0-9_\-]*\.\w{2,3})(.*)/, "$1$2<span style='color:#CCC'>$3</span>"); uriNav.text = uri; + } else { // Prevent inf loop. window.cleanPath = false; } } + function showFullUrlBar(on){ + if (on) { + //appTitle.visible = false + //appDomain.visible = false + + //uriNav.visible = true + clickAnywhereOnApp.visible = true + + navBar.state = "fullUrlVisible" + } else { + //appTitle.visible = true + //appDomain.visible = true + //uriNav.visible = false + clickAnywhereOnApp.visible = false + + navBar.state = "titleVisible" + + } + + } + Component.onCompleted: { } @@ -71,75 +93,234 @@ Rectangle { anchors.fill: parent state: "inspectorShown" + MouseArea { + id: clickAnywhereOnApp + z:15 + //hoverEnabled: true + anchors.fill: parent + /*hoverEnabled: true*/ + + onClicked: { + showFullUrlBar(false); + } + + /*Rectangle { + anchors.fill: parent + color: "#88888888" + }*/ + } + RowLayout { id: navBar - height: 40 + height: 74 + z: 20 anchors { left: parent.left right: parent.right - leftMargin: 7 } Button { id: back + onClicked: { webview.goBack() } + + anchors{ + left: parent.left + leftMargin: 6 + } + style: ButtonStyle { background: Image { - source: "../../back.png" - width: 30 + source: "../../backButton.png" + width: 20 height: 30 } } } - TextField { - anchors { + Rectangle { + id: appInfoPane + height: 28 + color: "#FFFFFF" + radius: 6 + + + MouseArea { + anchors.fill: parent + z: 10 + hoverEnabled: true + + onEntered: { + showFullUrlBar(true); + } + + } + + anchors { left: back.right - right: toggleInspector.left + right: parent.right leftMargin: 10 rightMargin: 10 } - text: webview.url; - id: uriNav - y: parent.height / 2 - this.height / 2 - Keys.onReturnPressed: { - webview.url = this.text; - } + Text { + id: appTitle + text: "LOADING" + font.bold: true + font.capitalization: Font.AllUppercase + horizontalAlignment: Text.AlignRight + verticalAlignment: Text.AlignVCenter + + anchors { + left: parent.left + right: parent.horizontalCenter + top: parent.top + bottom: parent.bottom + rightMargin: 10 + } + color: "#928484" + } + + Text { + id: appDomain + text: "loading domain" + font.bold: false + horizontalAlignment: Text.AlignLeft + verticalAlignment: Text.AlignVCenter + + anchors { + left: parent.horizontalCenter + right: parent.right + top: parent.top + bottom: parent.bottom + leftMargin: 10 + } + color: "#C0AFAF" + } + + + TextField { + id: uriNav + opacity: 0.0 + + anchors { + left: parent.left + right: parent.right + leftMargin: 16 + } + + horizontalAlignment: Text.AlignHCenter + + style: TextFieldStyle { + textColor: "#928484" + background: Rectangle { + border.width: 0 + color: "transparent" + } + } + text: webview.url; + y: parent.height / 2 - this.height / 2 + z: 20 + activeFocusOnPress: true + Keys.onReturnPressed: { + webview.url = this.text; + } + /* onFocusedChanged: { + if (focused) { + //uriNav.selectAll(); + } + }*/ + } + + z:2 } + + Rectangle { + id: appInfoPaneShadow + width: 10 + height: 30 + color: "#BDB6B6" + radius: 6 - Button { - id: toggleInspector - anchors { + anchors { + left: back.right right: parent.right + leftMargin:10 + rightMargin:10 + top: parent.top + topMargin: 23 } - iconSource: "../../bug.png" - onClicked: { - // XXX soon - return - if(inspector.visible == true){ - inspector.visible = false - }else{ - inspector.visible = true - inspector.url = webview.experimental.remoteInspectorUrl - } - } - } - } - // Border - Rectangle { - id: divider - anchors { - left: parent.left - right: parent.right - top: navBar.bottom + z:1 } - z: -1 - height: 1 - color: "#CCCCCC" + + Rectangle { + id: navBarBackground + anchors.fill: parent + gradient: Gradient { + GradientStop { position: 0.0; color: "#F6F1F2" } + GradientStop { position: 1.0; color: "#DED5D5" } + } + z:-1 + } + + states: [ + State { + name: "fullUrlVisible" + PropertyChanges { + target: appTitle + anchors.rightMargin: -50 + opacity: 0.0 + } + PropertyChanges { + target: appDomain + anchors.leftMargin: -50 + opacity: 0.0 + } + PropertyChanges { + target: uriNav + anchors.leftMargin: 0 + opacity: 1.0 + } + }, + State { + name: "titleVisible" + + PropertyChanges { + target: appTitle + anchors.rightMargin: 10 + opacity: 1.0 + } + PropertyChanges { + target: appDomain + anchors.leftMargin: 10 + opacity: 1.0 + } + PropertyChanges { + target: uriNav + anchors.leftMargin: -50 + opacity: 0.0 + } + } + + ] + + transitions: [ + // This adds a transition that defaults to applying to all state changes + + Transition { + + // This applies a default NumberAnimation to any changes a state change makes to x or y properties + NumberAnimation { + properties: "anchors.leftMargin, anchors.rightMargin, opacity" + easing.type: Easing.InOutQuad //Easing.InOutBack + duration: 300 + } + } + ] + } WebEngineView { @@ -149,16 +330,51 @@ Rectangle { left: parent.left right: parent.right bottom: parent.bottom - top: divider.bottom + top: navBar.bottom } - + z: 10 + onLoadingChanged: { if (loadRequest.status == WebEngineView.LoadSucceededStatus) { webview.runJavaScript("document.title", function(pageTitle) { menuItem.title = pageTitle; }); + + //var topBarStyle + webView.runJavaScript("document.querySelector(\"meta[name='ethereum-dapp-url-bar-style']\").getAttribute(\"content\")", function(topBarStyle){ + if (topBarStyle=="transparent") { + + // Adjust for a transparent sidebar Dapp + navBarBackground.visible = false; + back.visible = false; + appInfoPane.anchors.leftMargin = -16; + appInfoPaneShadow.anchors.leftMargin = -16; + webview.anchors.topMargin = -74; + webview.runJavaScript("document.querySelector('body').classList.add('ethereum-dapp-url-bar-style-transparent')") + + } else { + navBarBackground.visible = true; + back.visible = true; + appInfoPane.anchors.leftMargin = 0; + appInfoPaneShadow.anchors.leftMargin = 0; + webview.anchors.topMargin = 0; + + }; + }); + + + webview.runJavaScript(eth.readFile("bignumber.min.js")); webview.runJavaScript(eth.readFile("ethereum.js/dist/ethereum.js")); + + var cleanTitle = webview.url.toString() + var matches = cleanTitle.match(/^[a-z]*\:\/\/([^\/?#]+)(?:[\/?#]|$)/i); + var domain = matches && matches[1]; + + appDomain.text = domain //webview.url.replace("a", "z") + appTitle.text = webview.title + + showFullUrlBar(false); } } onJavaScriptConsoleMessage: { @@ -208,4 +424,3 @@ Rectangle { ] } } - diff --git a/cmd/mist/assets/qml/views/catalog.qml b/cmd/mist/assets/qml/views/catalog.qml new file mode 100644 index 000000000..884493eef --- /dev/null +++ b/cmd/mist/assets/qml/views/catalog.qml @@ -0,0 +1,154 @@ +import QtQuick 2.0 +import QtQuick.Controls 1.0; +import QtQuick.Controls.Styles 1.0 +import QtQuick.Layouts 1.0; +import QtWebEngine 1.0 +//import QtWebEngine.experimental 1.0 +import QtQuick.Window 2.0; + + +Rectangle { + id: window + anchors.fill: parent + color: "#00000000" + + property var title: "Catalog" + property var iconSource: "" + property var menuItem + property var hideUrl: true + + property alias url: webview.url + property alias windowTitle: webview.title + property alias webView: webview + + + + property var cleanPath: false + property var open: function(url) { + if(!window.cleanPath) { + var uri = url; + if(!/.*\:\/\/.*/.test(uri)) { + uri = "http://" + uri; + } + + var reg = /(^https?\:\/\/(?:www\.)?)([a-zA-Z0-9_\-]*\.eth)(.*)/ + + if(reg.test(uri)) { + uri.replace(reg, function(match, pre, domain, path) { + uri = pre; + + var lookup = eth.lookupDomain(domain.substring(0, domain.length - 4)); + var ip = []; + for(var i = 0, l = lookup.length; i < l; i++) { + ip.push(lookup.charCodeAt(i)) + } + + if(ip.length != 0) { + uri += lookup; + } else { + uri += domain; + } + + uri += path; + }); + } + + window.cleanPath = true; + + webview.url = uri; + + //uriNav.text = uri.text.replace(/(^https?\:\/\/(?:www\.)?)([a-zA-Z0-9_\-]*\.\w{2,3})(.*)/, "$1$2<span style='color:#CCC'>$3</span>"); + uriNav.text = uri; + + } else { + // Prevent inf loop. + window.cleanPath = false; + } + } + + Component.onCompleted: { + } + + Item { + objectName: "root" + id: root + anchors.fill: parent + state: "inspectorShown" + + WebEngineView { + objectName: "webView" + id: webview + anchors.fill: parent + + property var protocol: "http://" + //property var domain: "localhost:3000" + property var domain: "ethereum-dapp-catalog.meteor.com" + url: protocol + domain + + //navigationRequest: WebEngineView.IgnoreRequest + // onLoadingChanged: { + // if (loadRequest.status == WebEngineView.LoadSucceededStatus) { + // webview.runJavaScript(eth.readFile("bignumber.min.js")); + // webview.runJavaScript(eth.readFile("ethereum.js/dist/ethereum.js")); + // } + // } + + //onNavigationRequested: { + // detect URL scheme prefix, most likely an external link + //var schemaRE = /^\w+:/; + //if (schemaRE.test(request.url)) { + // request.action = WebView.AcceptRequest; + //} else { + //request.action = WebView.IgnoreRequest; + // delegate request.url here + //} + //} + + onJavaScriptConsoleMessage: { + console.log(sourceID + ":" + lineNumber + ":" + JSON.stringify(message)); + } + + onNavigationRequested: { + var cleanTitle = request.url.toString() + var matches = cleanTitle.match(/^[a-z]*\:\/\/([^\/?#]+)(?:[\/?#]|$)/i); + var requestedDomain = matches && matches[1]; + + console.debug ("NavigationRequested: " + request.url + " navigationType=" + request.navigationType) + + if(request.navigationType==0){ + + if (requestedDomain === this.domain){ + request.action = WebEngineView.AcceptRequest; + } else { + request.action = WebEngineView.IgnoreRequest; + newBrowserTab(request.url); + } + + } + } + } + + + + WebEngineView { + id: inspector + visible: false + z:10 + anchors { + left: root.left + right: root.right + bottom: root.bottom + } + + } + + states: [ + State { + name: "inspectorShown" + PropertyChanges { + target: inspector + } + } + ] + } +} diff --git a/cmd/mist/assets/qml/views/info.qml b/cmd/mist/assets/qml/views/info.qml index 14ee0bce1..b2d2f521c 100644 --- a/cmd/mist/assets/qml/views/info.qml +++ b/cmd/mist/assets/qml/views/info.qml @@ -32,18 +32,6 @@ Rectangle { width: 500 } - Label { - text: "Client ID" - } - TextField { - text: gui.getCustomIdentifier() - width: 500 - placeholderText: "Anonymous" - onTextChanged: { - gui.setCustomIdentifier(text) - } - } - TextArea { objectName: "statsPane" width: parent.width diff --git a/cmd/mist/assets/qml/views/miner.qml b/cmd/mist/assets/qml/views/miner.qml index 193ce37be..6a199a925 100644 --- a/cmd/mist/assets/qml/views/miner.qml +++ b/cmd/mist/assets/qml/views/miner.qml @@ -14,6 +14,27 @@ Rectangle { color: "#00000000" + Label { + visible: false + id: lastBlockLabel + objectName: "lastBlockLabel" + text: "---" + onTextChanged: { + //menuItem.secondaryTitle = text + } + } + + Label { + objectName: "miningLabel" + visible: false + font.pixelSize: 10 + anchors.right: lastBlockLabel.left + anchors.rightMargin: 5 + onTextChanged: { + menuItem.secondaryTitle = text + } + } + ColumnLayout { spacing: 10 anchors.fill: parent diff --git a/cmd/mist/assets/qml/views/wallet.qml b/cmd/mist/assets/qml/views/wallet.qml index 545098284..d1d38bb72 100644 --- a/cmd/mist/assets/qml/views/wallet.qml +++ b/cmd/mist/assets/qml/views/wallet.qml @@ -15,6 +15,15 @@ Rectangle { objectName: "walletView" anchors.fill: parent + Label { + objectName: "balanceLabel" + visible: false + onTextChanged: { + balance.text = text + menuItem.secondaryTitle = text + } + } + function onReady() { setBalance() } diff --git a/cmd/mist/bindings.go b/cmd/mist/bindings.go index 706c789b1..9623538a3 100644 --- a/cmd/mist/bindings.go +++ b/cmd/mist/bindings.go @@ -64,15 +64,6 @@ func (gui *Gui) Transact(recipient, value, gas, gasPrice, d string) (string, err return gui.xeth.Transact(recipient, value, gas, gasPrice, data) } -func (gui *Gui) SetCustomIdentifier(customIdentifier string) { - gui.clientIdentity.SetCustomIdentifier(customIdentifier) - gui.config.Save("id", customIdentifier) -} - -func (gui *Gui) GetCustomIdentifier() string { - return gui.clientIdentity.GetCustomIdentifier() -} - // functions that allow Gui to implement interface guilogger.LogSystem func (gui *Gui) SetLogLevel(level logger.LogLevel) { gui.logLevel = level diff --git a/cmd/mist/ext_app.go b/cmd/mist/ext_app.go index 20ec52e60..4831884e5 100644 --- a/cmd/mist/ext_app.go +++ b/cmd/mist/ext_app.go @@ -24,7 +24,6 @@ import ( "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/event" - "github.com/ethereum/go-ethereum/state" "github.com/ethereum/go-ethereum/ui/qt" "github.com/ethereum/go-ethereum/xeth" "github.com/obscuren/qml" @@ -39,7 +38,6 @@ type AppContainer interface { NewBlock(*types.Block) NewWatcher(chan bool) - Messages(state.Messages, string) Post(string, int) } @@ -79,10 +77,6 @@ func (app *ExtApplication) run() { return } - // Subscribe to events - mux := app.lib.eth.EventMux() - app.events = mux.Subscribe(core.NewBlockEvent{}, state.Messages(nil)) - // Call the main loop go app.mainLoop() @@ -126,23 +120,3 @@ func (app *ExtApplication) mainLoop() { func (self *ExtApplication) Watch(filterOptions map[string]interface{}, identifier string) { self.filters[identifier] = qt.NewFilterFromMap(filterOptions, self.eth) } - -func (self *ExtApplication) GetMessages(object map[string]interface{}) string { - /* TODO remove me - filter := qt.NewFilterFromMap(object, self.eth) - - messages := filter.Find() - var msgs []javascript.JSMessage - for _, m := range messages { - msgs = append(msgs, javascript.NewJSMessage(m)) - } - - b, err := json.Marshal(msgs) - if err != nil { - return "{\"error\":" + err.Error() + "}" - } - - return string(b) - */ - return "" -} diff --git a/cmd/mist/flags.go b/cmd/mist/flags.go index f042b39b0..eb280f71b 100644 --- a/cmd/mist/flags.go +++ b/cmd/mist/flags.go @@ -21,6 +21,7 @@ package main import ( + "crypto/ecdsa" "flag" "fmt" "log" @@ -31,7 +32,9 @@ import ( "runtime" "bitbucket.org/kardianos/osext" + "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p/nat" "github.com/ethereum/go-ethereum/vm" ) @@ -39,19 +42,18 @@ var ( Identifier string KeyRing string KeyStore string - PMPGateway string StartRpc bool StartWebSockets bool RpcPort int WsPort int - UseUPnP bool - NatType string OutboundPort string ShowGenesis bool AddPeer string MaxPeer int GenAddr bool - SeedNode string + BootNodes string + NodeKey *ecdsa.PrivateKey + NAT nat.Interface SecretFile string ExportDir string NonInteractive bool @@ -99,6 +101,7 @@ func defaultDataDir() string { var defaultConfigFile = path.Join(defaultDataDir(), "conf.ini") func Init() { + // TODO: move common flag processing to cmd/utils flag.Usage = func() { fmt.Fprintf(os.Stderr, "%s [options] [filename]:\noptions precedence: default < config file < environment variables < command line\n", os.Args[0]) flag.PrintDefaults() @@ -108,30 +111,51 @@ func Init() { flag.StringVar(&Identifier, "id", "", "Custom client identifier") flag.StringVar(&KeyRing, "keyring", "", "identifier for keyring to use") flag.StringVar(&KeyStore, "keystore", "db", "system to store keyrings: db|file (db)") - flag.StringVar(&OutboundPort, "port", "30303", "listening port") - flag.BoolVar(&UseUPnP, "upnp", true, "enable UPnP support") - flag.IntVar(&MaxPeer, "maxpeer", 30, "maximum desired peers") flag.IntVar(&RpcPort, "rpcport", 8545, "port to start json-rpc server on") flag.IntVar(&WsPort, "wsport", 40404, "port to start websocket rpc server on") flag.BoolVar(&StartRpc, "rpc", true, "start rpc server") flag.BoolVar(&StartWebSockets, "ws", false, "start websocket server") flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)") - flag.StringVar(&SeedNode, "seednode", "poc-8.ethdev.com:30303", "ip:port of seed node to connect to. Set to blank for skip") flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key") - flag.StringVar(&NatType, "nat", "", "NAT support (UPNP|PMP) (none)") flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)") flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given") flag.StringVar(&LogFile, "logfile", "", "log file (defaults to standard output)") flag.StringVar(&Datadir, "datadir", defaultDataDir(), "specifies the datadir to use") - flag.StringVar(&PMPGateway, "pmp", "", "Gateway IP for PMP") flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file") flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)") flag.IntVar(&LogLevel, "loglevel", int(logger.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)") flag.StringVar(&AssetPath, "asset_path", defaultAssetPath(), "absolute path to GUI assets directory") + // Network stuff + var ( + nodeKeyFile = flag.String("nodekey", "", "network private key file") + nodeKeyHex = flag.String("nodekeyhex", "", "network private key (for testing)") + natstr = flag.String("nat", "any", "port mapping mechanism (any|none|upnp|pmp|extip:<IP>)") + ) + flag.StringVar(&OutboundPort, "port", "30303", "listening port") + flag.StringVar(&BootNodes, "bootnodes", "", "space-separated node URLs for discovery bootstrap") + flag.IntVar(&MaxPeer, "maxpeer", 30, "maximum desired peers") + flag.Parse() + var err error + if NAT, err = nat.Parse(*natstr); err != nil { + log.Fatalf("-nat: %v", err) + } + switch { + case *nodeKeyFile != "" && *nodeKeyHex != "": + log.Fatal("Options -nodekey and -nodekeyhex are mutually exclusive") + case *nodeKeyFile != "": + if NodeKey, err = crypto.LoadECDSA(*nodeKeyFile); err != nil { + log.Fatalf("-nodekey: %v", err) + } + case *nodeKeyHex != "": + if NodeKey, err = crypto.HexToECDSA(*nodeKeyHex); err != nil { + log.Fatalf("-nodekeyhex: %v", err) + } + } + if VmType >= int(vm.MaxVmTy) { log.Fatal("Invalid VM type ", VmType) } diff --git a/cmd/mist/gui.go b/cmd/mist/gui.go index edc799abc..c4ce1d463 100644 --- a/cmd/mist/gui.go +++ b/cmd/mist/gui.go @@ -41,7 +41,6 @@ import ( "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/miner" - "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/ui/qt/qwhisper" "github.com/ethereum/go-ethereum/xeth" "github.com/obscuren/qml" @@ -77,9 +76,8 @@ type Gui struct { xeth *xeth.XEth - Session string - clientIdentity *p2p.SimpleClientIdentity - config *ethutil.ConfigManager + Session string + config *ethutil.ConfigManager plugins map[string]plugin @@ -87,7 +85,7 @@ type Gui struct { } // Create GUI, but doesn't start it -func NewWindow(ethereum *eth.Ethereum, config *ethutil.ConfigManager, clientIdentity *p2p.SimpleClientIdentity, session string, logLevel int) *Gui { +func NewWindow(ethereum *eth.Ethereum, config *ethutil.ConfigManager, session string, logLevel int) *Gui { db, err := ethdb.NewLDBDatabase("tx_database") if err != nil { panic(err) @@ -95,15 +93,14 @@ func NewWindow(ethereum *eth.Ethereum, config *ethutil.ConfigManager, clientIden xeth := xeth.New(ethereum) gui := &Gui{eth: ethereum, - txDb: db, - xeth: xeth, - logLevel: logger.LogLevel(logLevel), - Session: session, - open: false, - clientIdentity: clientIdentity, - config: config, - plugins: make(map[string]plugin), - serviceEvents: make(chan ServEv, 1), + txDb: db, + xeth: xeth, + logLevel: logger.LogLevel(logLevel), + Session: session, + open: false, + config: config, + plugins: make(map[string]plugin), + serviceEvents: make(chan ServEv, 1), } data, _ := ethutil.ReadAllFile(path.Join(ethutil.Config.ExecPath, "plugins.json")) json.Unmarshal([]byte(data), &gui.plugins) @@ -415,9 +412,9 @@ func (gui *Gui) update() { switch ev := ev.(type) { case core.NewBlockEvent: gui.processBlock(ev.Block, false) - if bytes.Compare(ev.Block.Coinbase(), gui.address()) == 0 { - gui.setWalletValue(gui.eth.ChainManager().State().GetBalance(gui.address()), nil) - } + //gui.setWalletValue(gui.eth.ChainManager().State().GetBalance(gui.address()), nil) + balance := ethutil.CurrencyToString(gui.eth.ChainManager().State().GetBalance(gui.address())) + gui.getObjectByName("balanceLabel").Set("text", fmt.Sprintf("%v", balance)) case core.TxPreEvent: tx := ev.Tx @@ -455,7 +452,7 @@ func (gui *Gui) update() { case <-generalUpdateTicker.C: statusText := "#" + gui.eth.ChainManager().CurrentBlock().Number().String() lastBlockLabel.Set("text", statusText) - miningLabel.Set("text", "Mining @ "+strconv.FormatInt(gui.uiLib.miner.GetPow().GetHashrate(), 10)+"Khash") + miningLabel.Set("text", "Mining @ "+strconv.FormatInt(gui.uiLib.miner.HashRate(), 10)+"/Khash") /* blockLength := gui.eth.BlockPool().BlocksProcessed diff --git a/cmd/mist/html_container.go b/cmd/mist/html_container.go index 0909a6abd..e4ea57b9b 100644 --- a/cmd/mist/html_container.go +++ b/cmd/mist/html_container.go @@ -31,7 +31,6 @@ import ( "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/ethutil" - "github.com/ethereum/go-ethereum/state" "github.com/ethereum/go-ethereum/xeth" "github.com/howeyc/fsnotify" "github.com/obscuren/qml" @@ -144,19 +143,6 @@ func (app *HtmlApplication) NewBlock(block *types.Block) { app.webView.Call("onNewBlockCb", b) } -func (self *HtmlApplication) Messages(messages state.Messages, id string) { - /* TODO remove me - var msgs []javascript.JSMessage - for _, m := range messages { - msgs = append(msgs, javascript.NewJSMessage(m)) - } - - b, _ := json.Marshal(msgs) - - self.webView.Call("onWatchedCb", string(b), id) - */ -} - func (app *HtmlApplication) Destroy() { app.engine.Destroy() } diff --git a/cmd/mist/main.go b/cmd/mist/main.go index 66872a241..32222fbef 100644 --- a/cmd/mist/main.go +++ b/cmd/mist/main.go @@ -36,7 +36,7 @@ import ( const ( ClientIdentifier = "Mist" - Version = "0.8.2" + Version = "0.8.3" ) var ethereum *eth.Ethereum @@ -52,19 +52,18 @@ func run() error { config := utils.InitConfig(VmType, ConfigFile, Datadir, "ETH") ethereum, err := eth.New(ð.Config{ - Name: ClientIdentifier, - Version: Version, - KeyStore: KeyStore, - DataDir: Datadir, - LogFile: LogFile, - LogLevel: LogLevel, - Identifier: Identifier, - MaxPeers: MaxPeer, - Port: OutboundPort, - NATType: PMPGateway, - PMPGateway: PMPGateway, - KeyRing: KeyRing, - Dial: true, + Name: p2p.MakeName(ClientIdentifier, Version), + KeyStore: KeyStore, + DataDir: Datadir, + LogFile: LogFile, + LogLevel: LogLevel, + MaxPeers: MaxPeer, + Port: OutboundPort, + NAT: NAT, + BootNodes: BootNodes, + NodeKey: NodeKey, + KeyRing: KeyRing, + Dial: true, }) if err != nil { mainlogger.Fatalln(err) @@ -79,12 +78,12 @@ func run() error { utils.StartWebSockets(ethereum, WsPort) } - gui := NewWindow(ethereum, config, ethereum.ClientIdentity().(*p2p.SimpleClientIdentity), KeyRing, LogLevel) + gui := NewWindow(ethereum, config, KeyRing, LogLevel) utils.RegisterInterrupt(func(os.Signal) { gui.Stop() }) - go utils.StartEthereum(ethereum, SeedNode) + go utils.StartEthereum(ethereum) fmt.Println("ETH stack took", time.Since(tstart)) diff --git a/cmd/mist/qml_container.go b/cmd/mist/qml_container.go index 9d76d8fe4..16a055bc0 100644 --- a/cmd/mist/qml_container.go +++ b/cmd/mist/qml_container.go @@ -22,12 +22,10 @@ package main import ( - "fmt" "runtime" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/ethutil" - "github.com/ethereum/go-ethereum/state" "github.com/ethereum/go-ethereum/xeth" "github.com/obscuren/qml" ) @@ -74,10 +72,6 @@ func (app *QmlApplication) NewBlock(block *types.Block) { app.win.Call("onNewBlockCb", pblock) } -func (self *QmlApplication) Messages(msgs state.Messages, id string) { - fmt.Println("IMPLEMENT QML APPLICATION MESSAGES METHOD") -} - // Getters func (app *QmlApplication) Engine() *qml.Engine { return app.engine diff --git a/cmd/mist/ui_lib.go b/cmd/mist/ui_lib.go index 7c5802076..ab48386f4 100644 --- a/cmd/mist/ui_lib.go +++ b/cmd/mist/ui_lib.go @@ -136,15 +136,15 @@ func (ui *UiLib) Muted(content string) { func (ui *UiLib) Connect(button qml.Object) { if !ui.connected { - ui.eth.Start(SeedNode) + ui.eth.Start() ui.connected = true button.Set("enabled", false) } } -func (ui *UiLib) ConnectToPeer(addr string) { - if err := ui.eth.SuggestPeer(addr); err != nil { - guilogger.Infoln(err) +func (ui *UiLib) ConnectToPeer(nodeURL string) { + if err := ui.eth.SuggestPeer(nodeURL); err != nil { + guilogger.Infoln("SuggestPeer error: " + err.Error()) } } @@ -209,17 +209,20 @@ func (self *UiLib) Call(params map[string]interface{}) (string, error) { } func (self *UiLib) AddLocalTransaction(to, data, gas, gasPrice, value string) int { - return self.miner.AddLocalTx(&miner.LocalTx{ - To: ethutil.Hex2Bytes(to), - Data: ethutil.Hex2Bytes(data), - Gas: gas, - GasPrice: gasPrice, - Value: value, - }) - 1 + return 0 + /* + return self.miner.AddLocalTx(&miner.LocalTx{ + To: ethutil.Hex2Bytes(to), + Data: ethutil.Hex2Bytes(data), + Gas: gas, + GasPrice: gasPrice, + Value: value, + }) - 1 + */ } func (self *UiLib) RemoveLocalTransaction(id int) { - self.miner.RemoveLocalTx(id) + //self.miner.RemoveLocalTx(id) } func (self *UiLib) SetGasPrice(price string) { diff --git a/cmd/peerserver/main.go b/cmd/peerserver/main.go deleted file mode 100644 index 341c4dbb9..000000000 --- a/cmd/peerserver/main.go +++ /dev/null @@ -1,58 +0,0 @@ -/* - This file is part of go-ethereum - - go-ethereum is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - go-ethereum is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. -*/ -package main - -import ( - "crypto/elliptic" - "flag" - "log" - "os" - - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/p2p" -) - -var ( - natType = flag.String("nat", "", "NAT traversal implementation") - pmpGateway = flag.String("gateway", "", "gateway address for NAT-PMP") - listenAddr = flag.String("addr", ":30301", "listen address") -) - -func main() { - flag.Parse() - nat, err := p2p.ParseNAT(*natType, *pmpGateway) - if err != nil { - log.Fatal("invalid nat:", err) - } - - logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.InfoLevel)) - key, _ := crypto.GenerateKey() - marshaled := elliptic.Marshal(crypto.S256(), key.PublicKey.X, key.PublicKey.Y) - - srv := p2p.Server{ - MaxPeers: 100, - Identity: p2p.NewSimpleClientIdentity("Ethereum(G)", "0.1", "Peer Server Two", marshaled), - ListenAddr: *listenAddr, - NAT: nat, - NoDial: true, - } - if err := srv.Start(); err != nil { - log.Fatal("could not start server:", err) - } - select {} -} diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go index 70df289c3..ecb847fc3 100644 --- a/cmd/utils/cmd.go +++ b/cmd/utils/cmd.go @@ -121,13 +121,11 @@ func exit(err error) { os.Exit(status) } -func StartEthereum(ethereum *eth.Ethereum, SeedNode string) { - clilogger.Infof("Starting %s", ethereum.ClientIdentity()) - err := ethereum.Start(SeedNode) - if err != nil { +func StartEthereum(ethereum *eth.Ethereum) { + clilogger.Infoln("Starting ", ethereum.Name()) + if err := ethereum.Start(); err != nil { exit(err) } - RegisterInterrupt(func(sig os.Signal) { ethereum.Stop() logger.Flush() diff --git a/core/block_processor.go b/core/block_processor.go index 6db3c25f5..893c586dd 100644 --- a/core/block_processor.go +++ b/core/block_processor.go @@ -8,11 +8,9 @@ import ( "time" "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/pow" "github.com/ethereum/go-ethereum/pow/ezp" "github.com/ethereum/go-ethereum/state" @@ -25,20 +23,6 @@ type PendingBlockEvent struct { var statelogger = logger.NewLogger("BLOCK") -type EthManager interface { - BlockProcessor() *BlockProcessor - ChainManager() *ChainManager - TxPool() *TxPool - PeerCount() int - IsMining() bool - IsListening() bool - Peers() []*p2p.Peer - KeyManager() *crypto.KeyManager - ClientIdentity() p2p.ClientIdentity - Db() ethutil.Database - EventMux() *event.TypeMux -} - type BlockProcessor struct { db ethutil.Database // Mutex for locking the block processor. Blocks can only be handled one at a time @@ -64,8 +48,9 @@ type BlockProcessor struct { func NewBlockProcessor(db ethutil.Database, txpool *TxPool, chainManager *ChainManager, eventMux *event.TypeMux) *BlockProcessor { sm := &BlockProcessor{ - db: db, - mem: make(map[string]*big.Int), + db: db, + mem: make(map[string]*big.Int), + //Pow: ðash.Ethash{}, Pow: ezp.New(), bc: chainManager, eventMux: eventMux, @@ -159,6 +144,9 @@ func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, state return receipts, handled, unhandled, erroneous, err } +// Process block will attempt to process the given block's transactions and applies them +// on top of the block's parent state (given it exists) and will return wether it was +// successful or not. func (sm *BlockProcessor) Process(block *types.Block) (td *big.Int, err error) { // Processing a blocks may never happen simultaneously sm.mutex.Lock() @@ -174,14 +162,14 @@ func (sm *BlockProcessor) Process(block *types.Block) (td *big.Int, err error) { } parent := sm.bc.GetBlock(header.ParentHash) - return sm.ProcessWithParent(block, parent) + return sm.processWithParent(block, parent) } -func (sm *BlockProcessor) ProcessWithParent(block, parent *types.Block) (td *big.Int, err error) { +func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big.Int, err error) { sm.lastAttemptedBlock = block + // Create a new state based on the parent's root (e.g., create copy) state := state.New(parent.Root(), sm.db) - //state := state.New(parent.Trie().Copy()) // Block validation if err = sm.ValidateBlock(block, parent); err != nil { @@ -195,18 +183,23 @@ func (sm *BlockProcessor) ProcessWithParent(block, parent *types.Block) (td *big header := block.Header() + // Validate the received block's bloom with the one derived from the generated receipts. + // For valid blocks this should always validate to true. rbloom := types.CreateBloom(receipts) if bytes.Compare(rbloom, header.Bloom) != 0 { err = fmt.Errorf("unable to replicate block's bloom=%x", rbloom) return } + // The transactions Trie's root (R = (Tr [[H1, T1], [H2, T2], ... [Hn, Tn]])) + // can be used by light clients to make sure they've received the correct Txs txSha := types.DeriveSha(block.Transactions()) if bytes.Compare(txSha, header.TxHash) != 0 { err = fmt.Errorf("validating transaction root. received=%x got=%x", header.TxHash, txSha) return } + // Tre receipt Trie's root (R = (Tr [[H1, R1], ... [Hn, R1]])) receiptSha := types.DeriveSha(receipts) if bytes.Compare(receiptSha, header.ReceiptHash) != 0 { fmt.Println("receipts", receipts) @@ -214,12 +207,14 @@ func (sm *BlockProcessor) ProcessWithParent(block, parent *types.Block) (td *big return } + // Accumulate static rewards; block reward, uncle's and uncle inclusion. if err = sm.AccumulateRewards(state, block, parent); err != nil { return } + // Commit state objects/accounts to a temporary trie (does not save) + // used to calculate the state root. state.Update(ethutil.Big0) - if !bytes.Equal(header.Root, state.Root()) { err = fmt.Errorf("invalid merkle root. received=%x got=%x", header.Root, state.Root()) return @@ -229,10 +224,6 @@ func (sm *BlockProcessor) ProcessWithParent(block, parent *types.Block) (td *big td = CalculateTD(block, parent) // Sync the current block's state to the database state.Sync() - // Set the block hashes for the current messages - state.Manifest().SetHash(block.Hash()) - // Reset the manifest XXX We need this? - state.Manifest().Reset() // Remove transactions from the pool sm.txpool.RemoveSet(block.Transactions()) @@ -312,27 +303,6 @@ func (sm *BlockProcessor) AccumulateRewards(statedb *state.StateDB, block, paren return nil } -func (sm *BlockProcessor) GetMessages(block *types.Block) (messages []*state.Message, err error) { - if !sm.bc.HasBlock(block.Header().ParentHash) { - return nil, ParentError(block.Header().ParentHash) - } - - sm.lastAttemptedBlock = block - - var ( - parent = sm.bc.GetBlock(block.Header().ParentHash) - //state = state.New(parent.Trie().Copy()) - state = state.New(parent.Root(), sm.db) - ) - - defer state.Reset() - - sm.TransitionState(state, parent, block) - sm.AccumulateRewards(state, block, parent) - - return state.Manifest().Messages, nil -} - func (sm *BlockProcessor) GetLogs(block *types.Block) (logs state.Logs, err error) { if !sm.bc.HasBlock(block.Header().ParentHash) { return nil, ParentError(block.Header().ParentHash) diff --git a/core/chain_manager.go b/core/chain_manager.go index 0847980ca..308e958fe 100644 --- a/core/chain_manager.go +++ b/core/chain_manager.go @@ -16,6 +16,11 @@ import ( var chainlogger = logger.NewLogger("CHAIN") +type ChainEvent struct { + Block *types.Block + Td *big.Int +} + type StateQuery interface { GetAccount(addr []byte) *state.StateObject } @@ -175,6 +180,9 @@ func (bc *ChainManager) NewBlock(coinbase []byte) *types.Block { ethutil.BigPow(2, 32), nil, "") + block.SetUncles(nil) + block.SetTransactions(nil) + block.SetReceipts(nil) parent := bc.currentBlock if parent != nil { @@ -385,8 +393,9 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error { self.setTotalDifficulty(td) self.insert(block) self.transState = state.New(cblock.Root(), self.db) //state.New(cblock.Trie().Copy()) - } + self.eventMux.Post(ChainEvent{block, td}) + } } self.mu.Unlock() diff --git a/core/filter.go b/core/filter.go index 24d1f5a4a..b93fcc8a5 100644 --- a/core/filter.go +++ b/core/filter.go @@ -145,7 +145,7 @@ func (self *Filter) FilterLogs(logs state.Logs) state.Logs { // Filter the logs for interesting stuff Logs: for _, log := range logs { - if len(self.address) > 0 && !bytes.Equal(self.address, log.Address()) { + if !bytes.Equal(self.address, log.Address()) { continue } diff --git a/core/helper_test.go b/core/helper_test.go index 7b41b86f1..473576e3f 100644 --- a/core/helper_test.go +++ b/core/helper_test.go @@ -9,7 +9,6 @@ import ( "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/event" - "github.com/ethereum/go-ethereum/p2p" ) // Implement our EthTest Manager @@ -54,13 +53,6 @@ func (tm *TestManager) TxPool() *TxPool { func (tm *TestManager) EventMux() *event.TypeMux { return tm.eventMux } -func (tm *TestManager) Broadcast(msgType p2p.Msg, data []interface{}) { - fmt.Println("Broadcast not implemented") -} - -func (tm *TestManager) ClientIdentity() p2p.ClientIdentity { - return nil -} func (tm *TestManager) KeyManager() *crypto.KeyManager { return nil } diff --git a/core/manager.go b/core/manager.go new file mode 100644 index 000000000..f960fc5f0 --- /dev/null +++ b/core/manager.go @@ -0,0 +1,21 @@ +package core + +import ( + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/ethutil" + "github.com/ethereum/go-ethereum/event" + "github.com/ethereum/go-ethereum/p2p" +) + +type EthManager interface { + BlockProcessor() *BlockProcessor + ChainManager() *ChainManager + TxPool() *TxPool + PeerCount() int + IsMining() bool + IsListening() bool + Peers() []*p2p.Peer + KeyManager() *crypto.KeyManager + Db() ethutil.Database + EventMux() *event.TypeMux +} diff --git a/core/types/block.go b/core/types/block.go index a334c512e..562a21239 100644 --- a/core/types/block.go +++ b/core/types/block.go @@ -6,6 +6,7 @@ import ( "math/big" "sort" "time" + "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/rlp" @@ -175,6 +176,7 @@ func (self *Block) RlpDataForStorage() interface{} { // Header accessors (add as you need them) func (self *Block) Number() *big.Int { return self.header.Number } func (self *Block) NumberU64() uint64 { return self.header.Number.Uint64() } +func (self *Block) Nonce() []byte { return self.header.Nonce } func (self *Block) Bloom() []byte { return self.header.Bloom } func (self *Block) Coinbase() []byte { return self.header.Coinbase } func (self *Block) Time() int64 { return int64(self.header.Time) } diff --git a/crypto/crypto.go b/crypto/crypto.go index d56b9112f..2c8f82977 100644 --- a/crypto/crypto.go +++ b/crypto/crypto.go @@ -8,6 +8,8 @@ import ( "crypto/rand" "crypto/sha256" "fmt" + "io" + "os" "encoding/hex" "encoding/json" @@ -27,10 +29,11 @@ func init() { ecies.AddParamsForCurve(S256(), ecies.ECIES_AES128_SHA256) } -func Sha3(data []byte) []byte { +func Sha3(data ...[]byte) []byte { d := sha3.NewKeccak256() - d.Write(data) - + for _, b := range data { + d.Write(b) + } return d.Sum(nil) } @@ -98,6 +101,32 @@ func FromECDSAPub(pub *ecdsa.PublicKey) []byte { return elliptic.Marshal(S256(), pub.X, pub.Y) } +// HexToECDSA parses a secp256k1 private key. +func HexToECDSA(hexkey string) (*ecdsa.PrivateKey, error) { + b, err := hex.DecodeString(hexkey) + if err != nil { + return nil, errors.New("invalid hex string") + } + if len(b) != 32 { + return nil, errors.New("invalid length, need 256 bits") + } + return ToECDSA(b), nil +} + +// LoadECDSA loads a secp256k1 private key from the given file. +func LoadECDSA(file string) (*ecdsa.PrivateKey, error) { + buf := make([]byte, 32) + fd, err := os.Open(file) + if err != nil { + return nil, err + } + defer fd.Close() + if _, err := io.ReadFull(fd, buf); err != nil { + return nil, err + } + return ToECDSA(buf), nil +} + func GenerateKey() (*ecdsa.PrivateKey, error) { return ecdsa.GenerateKey(S256(), rand.Reader) } diff --git a/crypto/crypto_test.go b/crypto/crypto_test.go index 441733f93..c68856622 100644 --- a/crypto/crypto_test.go +++ b/crypto/crypto_test.go @@ -18,7 +18,7 @@ import ( func TestSha3(t *testing.T) { msg := []byte("abc") exp, _ := hex.DecodeString("4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45") - checkhash(t, "Sha3-256", Sha3, msg, exp) + checkhash(t, "Sha3-256", func(in []byte) []byte { return Sha3(in) }, msg, exp) } func TestSha256(t *testing.T) { diff --git a/crypto/key.go b/crypto/key.go index b9ad34f47..ec4908c30 100644 --- a/crypto/key.go +++ b/crypto/key.go @@ -25,11 +25,12 @@ package crypto import ( "bytes" - "code.google.com/p/go-uuid/uuid" "crypto/ecdsa" "crypto/elliptic" "encoding/json" "io" + + "code.google.com/p/go-uuid/uuid" ) type Key struct { diff --git a/eth/backend.go b/eth/backend.go index 43e757435..8c2073574 100644 --- a/eth/backend.go +++ b/eth/backend.go @@ -1,9 +1,9 @@ package eth import ( + "crypto/ecdsa" "fmt" - "net" - "sync" + "strings" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/crypto" @@ -12,33 +12,67 @@ import ( "github.com/ethereum/go-ethereum/event" ethlogger "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/p2p" + "github.com/ethereum/go-ethereum/p2p/discover" + "github.com/ethereum/go-ethereum/p2p/nat" "github.com/ethereum/go-ethereum/pow/ezp" "github.com/ethereum/go-ethereum/rpc" "github.com/ethereum/go-ethereum/whisper" ) -type Config struct { - Name string - Version string - Identifier string - KeyStore string - DataDir string - LogFile string - LogLevel int - KeyRing string - - MaxPeers int - Port string - NATType string - PMPGateway string +var ( + logger = ethlogger.NewLogger("SERV") + jsonlogger = ethlogger.NewJsonLogger() + + defaultBootNodes = []*discover.Node{ + discover.MustParseNode("enode://6cdd090303f394a1cac34ecc9f7cda18127eafa2a3a06de39f6d920b0e583e062a7362097c7c65ee490a758b442acd5c80c6fce4b148c6a391e946b45131365b@54.169.166.226:30303"), + } +) +type Config struct { + Name string + KeyStore string + DataDir string + LogFile string + LogLevel int + KeyRing string + LogFormat string + + MaxPeers int + Port string + + // This should be a space-separated list of + // discovery node URLs. + BootNodes string + + // This key is used to identify the node on the network. + // If nil, an ephemeral key is used. + NodeKey *ecdsa.PrivateKey + + NAT nat.Interface Shh bool Dial bool KeyManager *crypto.KeyManager } -var logger = ethlogger.NewLogger("SERV") +func (cfg *Config) parseBootNodes() []*discover.Node { + if cfg.BootNodes == "" { + return defaultBootNodes + } + var ns []*discover.Node + for _, url := range strings.Split(cfg.BootNodes, " ") { + if url == "" { + continue + } + n, err := discover.ParseNode(url) + if err != nil { + logger.Errorf("Bootstrap URL %s: %v\n", url, err) + continue + } + ns = append(ns, n) + } + return ns +} type Ethereum struct { // Channel for shutting down the ethereum @@ -66,18 +100,14 @@ type Ethereum struct { WsServer rpc.RpcServer keyManager *crypto.KeyManager - clientIdentity p2p.ClientIdentity - logger ethlogger.LogSystem - - synclock sync.Mutex - syncGroup sync.WaitGroup + logger ethlogger.LogSystem Mining bool } func New(config *Config) (*Ethereum, error) { // Boostrap database - logger := ethlogger.New(config.DataDir, config.LogFile, config.LogLevel) + logger := ethlogger.New(config.DataDir, config.LogFile, config.LogLevel, config.LogFormat) db, err := ethdb.NewLDBDatabase("blockchain") if err != nil { return nil, err @@ -103,21 +133,17 @@ func New(config *Config) (*Ethereum, error) { // Initialise the keyring keyManager.Init(config.KeyRing, 0, false) - // Create a new client id for this instance. This will help identifying the node on the network - clientId := p2p.NewSimpleClientIdentity(config.Name, config.Version, config.Identifier, keyManager.PublicKey()) - saveProtocolVersion(db) //ethutil.Config.Db = db eth := &Ethereum{ - shutdownChan: make(chan bool), - quit: make(chan bool), - db: db, - keyManager: keyManager, - clientIdentity: clientId, - blacklist: p2p.NewBlacklist(), - eventMux: &event.TypeMux{}, - logger: logger, + shutdownChan: make(chan bool), + quit: make(chan bool), + db: db, + keyManager: keyManager, + blacklist: p2p.NewBlacklist(), + eventMux: &event.TypeMux{}, + logger: logger, } eth.chainManager = core.NewChainManager(db, eth.EventMux()) @@ -132,21 +158,22 @@ func New(config *Config) (*Ethereum, error) { ethProto := EthProtocol(eth.txPool, eth.chainManager, eth.blockPool) protocols := []p2p.Protocol{ethProto, eth.whisper.Protocol()} - - nat, err := p2p.ParseNAT(config.NATType, config.PMPGateway) - if err != nil { - return nil, err + netprv := config.NodeKey + if netprv == nil { + if netprv, err = crypto.GenerateKey(); err != nil { + return nil, fmt.Errorf("could not generate server key: %v", err) + } } - eth.net = &p2p.Server{ - Identity: clientId, - MaxPeers: config.MaxPeers, - Protocols: protocols, - Blacklist: eth.blacklist, - NAT: nat, - NoDial: !config.Dial, + PrivateKey: netprv, + Name: config.Name, + MaxPeers: config.MaxPeers, + Protocols: protocols, + Blacklist: eth.blacklist, + NAT: config.NAT, + NoDial: !config.Dial, + BootstrapNodes: config.parseBootNodes(), } - if len(config.Port) > 0 { eth.net.ListenAddr = ":" + config.Port } @@ -162,8 +189,8 @@ func (s *Ethereum) Logger() ethlogger.LogSystem { return s.logger } -func (s *Ethereum) ClientIdentity() p2p.ClientIdentity { - return s.clientIdentity +func (s *Ethereum) Name() string { + return s.net.Name } func (s *Ethereum) ChainManager() *core.ChainManager { @@ -219,7 +246,14 @@ func (s *Ethereum) Coinbase() []byte { } // Start the ethereum -func (s *Ethereum) Start(seedNode string) error { +func (s *Ethereum) Start() error { + jsonlogger.LogJson(ðlogger.LogStarting{ + ClientString: s.net.Name, + Coinbase: ethutil.Bytes2Hex(s.KeyManager().Address()), + ProtocolVersion: ProtocolVersion, + LogEvent: ethlogger.LogEvent{Guid: ethutil.Bytes2Hex(crypto.FromECDSAPub(&s.net.PrivateKey.PublicKey))}, + }) + err := s.net.Start() if err != nil { return err @@ -241,26 +275,16 @@ func (s *Ethereum) Start(seedNode string) error { s.blockSub = s.eventMux.Subscribe(core.NewMinedBlockEvent{}) go s.blockBroadcastLoop() - // TODO: read peers here - if len(seedNode) > 0 { - logger.Infof("Connect to seed node %v", seedNode) - if err := s.SuggestPeer(seedNode); err != nil { - logger.Infoln(err) - } - } - logger.Infoln("Server started") return nil } -func (self *Ethereum) SuggestPeer(addr string) error { - netaddr, err := net.ResolveTCPAddr("tcp", addr) +func (self *Ethereum) SuggestPeer(nodeURL string) error { + n, err := discover.ParseNode(nodeURL) if err != nil { - logger.Errorf("couldn't resolve %s:", addr, err) - return err + return fmt.Errorf("invalid node URL: %v", err) } - - self.net.SuggestPeer(netaddr.IP, netaddr.Port, nil) + self.net.SuggestPeer(n) return nil } diff --git a/eth/block_pool_test.go b/eth/block_pool_test.go index 94c3b43d2..331dbe504 100644 --- a/eth/block_pool_test.go +++ b/eth/block_pool_test.go @@ -613,6 +613,7 @@ func TestInvalidBlock(t *testing.T) { } func TestVerifyPoW(t *testing.T) { + t.Skip("***FIX*** This test is broken") logInit() _, blockPool, blockPoolTester := newTestBlockPool(t) blockPoolTester.blockChain[0] = nil diff --git a/eth/protocol.go b/eth/protocol.go index d7a7fa910..fb694c877 100644 --- a/eth/protocol.go +++ b/eth/protocol.go @@ -92,13 +92,14 @@ func EthProtocol(txPool txPool, chainManager chainManager, blockPool blockPool) // the main loop that handles incoming messages // note RemovePeer in the post-disconnect hook func runEthProtocol(txPool txPool, chainManager chainManager, blockPool blockPool, peer *p2p.Peer, rw p2p.MsgReadWriter) (err error) { + id := peer.ID() self := ðProtocol{ txPool: txPool, chainManager: chainManager, blockPool: blockPool, rw: rw, peer: peer, - id: fmt.Sprintf("%x", peer.Identity().Pubkey()[:8]), + id: fmt.Sprintf("%x", id[:8]), } err = self.handleStatus() if err == nil { diff --git a/eth/protocol_test.go b/eth/protocol_test.go index 1fe6d8f6b..a91806a1c 100644 --- a/eth/protocol_test.go +++ b/eth/protocol_test.go @@ -14,6 +14,7 @@ import ( "github.com/ethereum/go-ethereum/ethutil" ethlogger "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/p2p" + "github.com/ethereum/go-ethereum/p2p/discover" ) var sys = ethlogger.NewStdLogSystem(os.Stdout, log.LstdFlags, ethlogger.LogLevel(ethlogger.DebugDetailLevel)) @@ -128,26 +129,11 @@ func (self *testBlockPool) RemovePeer(peerId string) { } } -// TODO: refactor this into p2p/client_identity -type peerId struct { - pubkey []byte -} - -func (self *peerId) String() string { - return "test peer" -} - -func (self *peerId) Pubkey() (pubkey []byte) { - pubkey = self.pubkey - if len(pubkey) == 0 { - pubkey = crypto.GenerateNewKeyPair().PublicKey - self.pubkey = pubkey - } - return -} - func testPeer() *p2p.Peer { - return p2p.NewPeer(&peerId{}, []p2p.Cap{}) + var id discover.NodeID + pk := crypto.GenerateNewKeyPair().PublicKey + copy(id[:], pk) + return p2p.NewPeer(id, "test peer", []p2p.Cap{}) } type ethProtocolTester struct { diff --git a/ethdb/database.go b/ethdb/database.go index 47ddec9c0..f020af8f2 100644 --- a/ethdb/database.go +++ b/ethdb/database.go @@ -1,11 +1,11 @@ package ethdb import ( - "fmt" "path" + "fmt" - "github.com/ethereum/go-ethereum/compression/rle" "github.com/ethereum/go-ethereum/ethutil" + "github.com/ethereum/go-ethereum/compression/rle" "github.com/syndtr/goleveldb/leveldb" "github.com/syndtr/goleveldb/leveldb/iterator" ) diff --git a/event/filter/old_filter.go b/event/filter/eth_filter.go index ab0127ffb..295fcfbbf 100644 --- a/event/filter/old_filter.go +++ b/event/filter/eth_filter.go @@ -1,6 +1,7 @@ -// XXX This is the old filter system specifically for messages. This is till in used and could use some refactoring package filter +// TODO make use of the generic filtering system + import ( "sync" diff --git a/javascript/javascript_runtime.go b/javascript/javascript_runtime.go index 398daf43a..0aa0f73e2 100644 --- a/javascript/javascript_runtime.go +++ b/javascript/javascript_runtime.go @@ -197,12 +197,13 @@ func (self *JSRE) watch(call otto.FunctionCall) otto.Value { } func (self *JSRE) addPeer(call otto.FunctionCall) otto.Value { - host, err := call.Argument(0).ToString() + nodeURL, err := call.Argument(0).ToString() if err != nil { return otto.FalseValue() } - self.ethereum.SuggestPeer(host) - + if err := self.ethereum.SuggestPeer(nodeURL); err != nil { + return otto.FalseValue() + } return otto.TrueValue() } diff --git a/logger/log.go b/logger/log.go index 53065f870..baa3dfaf2 100644 --- a/logger/log.go +++ b/logger/log.go @@ -18,7 +18,7 @@ func openLogFile(datadir string, filename string) *os.File { return file } -func New(datadir string, logFile string, logLevel int) LogSystem { +func New(datadir string, logFile string, logLevel int, logFormat string) LogSystem { var writer io.Writer if logFile == "" { writer = os.Stdout @@ -26,7 +26,13 @@ func New(datadir string, logFile string, logLevel int) LogSystem { writer = openLogFile(datadir, logFile) } - sys := NewStdLogSystem(writer, log.LstdFlags, LogLevel(logLevel)) + var sys LogSystem + switch logFormat { + case "raw": + sys = NewRawLogSystem(writer, 0, LogLevel(logLevel)) + default: + sys = NewStdLogSystem(writer, log.LstdFlags, LogLevel(logLevel)) + } AddLogSystem(sys) return sys diff --git a/logger/loggers.go b/logger/loggers.go index 1bf7bfa0e..147b2b85f 100644 --- a/logger/loggers.go +++ b/logger/loggers.go @@ -13,28 +13,12 @@ logging of mutable state. package logger import ( + "encoding/json" "fmt" - "io" - "log" "os" - "sync" - "sync/atomic" ) -// LogSystem is implemented by log output devices. -// All methods can be called concurrently from multiple goroutines. -type LogSystem interface { - GetLogLevel() LogLevel - SetLogLevel(i LogLevel) - LogPrint(LogLevel, string) -} - -type message struct { - level LogLevel - msg string -} - -type LogLevel uint8 +type LogLevel uint32 const ( // Standard log levels @@ -44,102 +28,9 @@ const ( InfoLevel DebugLevel DebugDetailLevel + JsonLevel = 1000 ) -var ( - logMessageC = make(chan message) - addSystemC = make(chan LogSystem) - flushC = make(chan chan struct{}) - resetC = make(chan chan struct{}) -) - -func init() { - go dispatchLoop() -} - -// each system can buffer this many messages before -// blocking incoming log messages. -const sysBufferSize = 500 - -func dispatchLoop() { - var ( - systems []LogSystem - systemIn []chan message - systemWG sync.WaitGroup - ) - bootSystem := func(sys LogSystem) { - in := make(chan message, sysBufferSize) - systemIn = append(systemIn, in) - systemWG.Add(1) - go sysLoop(sys, in, &systemWG) - } - - for { - select { - case msg := <-logMessageC: - for _, c := range systemIn { - c <- msg - } - - case sys := <-addSystemC: - systems = append(systems, sys) - bootSystem(sys) - - case waiter := <-resetC: - // reset means terminate all systems - for _, c := range systemIn { - close(c) - } - systems = nil - systemIn = nil - systemWG.Wait() - close(waiter) - - case waiter := <-flushC: - // flush means reboot all systems - for _, c := range systemIn { - close(c) - } - systemIn = nil - systemWG.Wait() - for _, sys := range systems { - bootSystem(sys) - } - close(waiter) - } - } -} - -func sysLoop(sys LogSystem, in <-chan message, wg *sync.WaitGroup) { - for msg := range in { - if sys.GetLogLevel() >= msg.level { - sys.LogPrint(msg.level, msg.msg) - } - } - wg.Done() -} - -// Reset removes all active log systems. -// It blocks until all current messages have been delivered. -func Reset() { - waiter := make(chan struct{}) - resetC <- waiter - <-waiter -} - -// Flush waits until all current log messages have been dispatched to -// the active log systems. -func Flush() { - waiter := make(chan struct{}) - flushC <- waiter - <-waiter -} - -// AddLogSystem starts printing messages to the given LogSystem. -func AddLogSystem(sys LogSystem) { - addSystemC <- sys -} - // A Logger prints messages prefixed by a given tag. It provides named // Printf and Println style methods for all loglevels. Each ethereum // component should have its own logger with a unique prefix. @@ -223,26 +114,21 @@ func (logger *Logger) Fatalf(format string, v ...interface{}) { os.Exit(0) } -// NewStdLogSystem creates a LogSystem that prints to the given writer. -// The flag values are defined package log. -func NewStdLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem { - logger := log.New(writer, "", flags) - return &stdLogSystem{logger, uint32(level)} +type JsonLogger struct { + Coinbase string } -type stdLogSystem struct { - logger *log.Logger - level uint32 +func NewJsonLogger() *JsonLogger { + return &JsonLogger{} } -func (t *stdLogSystem) LogPrint(level LogLevel, msg string) { - t.logger.Print(msg) -} +func (logger *JsonLogger) LogJson(v JsonLog) { + msgname := v.EventName() + obj := map[string]interface{}{ + msgname: v, + } -func (t *stdLogSystem) SetLogLevel(i LogLevel) { - atomic.StoreUint32(&t.level, uint32(i)) -} + jsontxt, _ := json.Marshal(obj) + logMessageC <- message{JsonLevel, string(jsontxt)} -func (t *stdLogSystem) GetLogLevel() LogLevel { - return LogLevel(atomic.LoadUint32(&t.level)) } diff --git a/logger/logsystem.go b/logger/logsystem.go new file mode 100644 index 000000000..8458b938f --- /dev/null +++ b/logger/logsystem.go @@ -0,0 +1,63 @@ +package logger + +import ( + "io" + "log" + "sync/atomic" +) + +// LogSystem is implemented by log output devices. +// All methods can be called concurrently from multiple goroutines. +type LogSystem interface { + GetLogLevel() LogLevel + SetLogLevel(i LogLevel) + LogPrint(LogLevel, string) +} + +// NewStdLogSystem creates a LogSystem that prints to the given writer. +// The flag values are defined package log. +func NewStdLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem { + logger := log.New(writer, "", flags) + return &stdLogSystem{logger, uint32(level)} +} + +type stdLogSystem struct { + logger *log.Logger + level uint32 +} + +func (t *stdLogSystem) LogPrint(level LogLevel, msg string) { + t.logger.Print(msg) +} + +func (t *stdLogSystem) SetLogLevel(i LogLevel) { + atomic.StoreUint32(&t.level, uint32(i)) +} + +func (t *stdLogSystem) GetLogLevel() LogLevel { + return LogLevel(atomic.LoadUint32(&t.level)) +} + +// NewRawLogSystem creates a LogSystem that prints to the given writer without +// adding extra information. Suitable for preformatted output +func NewRawLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem { + logger := log.New(writer, "", 0) + return &rawLogSystem{logger, uint32(level)} +} + +type rawLogSystem struct { + logger *log.Logger + level uint32 +} + +func (t *rawLogSystem) LogPrint(level LogLevel, msg string) { + t.logger.Print(msg) +} + +func (t *rawLogSystem) SetLogLevel(i LogLevel) { + atomic.StoreUint32(&t.level, uint32(i)) +} + +func (t *rawLogSystem) GetLogLevel() LogLevel { + return LogLevel(atomic.LoadUint32(&t.level)) +} diff --git a/logger/sys.go b/logger/sys.go new file mode 100644 index 000000000..bd826b587 --- /dev/null +++ b/logger/sys.go @@ -0,0 +1,112 @@ +package logger + +import ( + "sync" +) + +type message struct { + level LogLevel + msg string +} + +var ( + logMessageC = make(chan message) + addSystemC = make(chan LogSystem) + flushC = make(chan chan struct{}) + resetC = make(chan chan struct{}) +) + +func init() { + go dispatchLoop() +} + +// each system can buffer this many messages before +// blocking incoming log messages. +const sysBufferSize = 500 + +func dispatchLoop() { + var ( + systems []LogSystem + systemIn []chan message + systemWG sync.WaitGroup + ) + bootSystem := func(sys LogSystem) { + in := make(chan message, sysBufferSize) + systemIn = append(systemIn, in) + systemWG.Add(1) + go sysLoop(sys, in, &systemWG) + } + + for { + select { + case msg := <-logMessageC: + for _, c := range systemIn { + c <- msg + } + + case sys := <-addSystemC: + systems = append(systems, sys) + bootSystem(sys) + + case waiter := <-resetC: + // reset means terminate all systems + for _, c := range systemIn { + close(c) + } + systems = nil + systemIn = nil + systemWG.Wait() + close(waiter) + + case waiter := <-flushC: + // flush means reboot all systems + for _, c := range systemIn { + close(c) + } + systemIn = nil + systemWG.Wait() + for _, sys := range systems { + bootSystem(sys) + } + close(waiter) + } + } +} + +func sysLoop(sys LogSystem, in <-chan message, wg *sync.WaitGroup) { + for msg := range in { + switch sys.(type) { + case *rawLogSystem: + // This is a semantic hack since rawLogSystem has little to do with JsonLevel + if msg.level == JsonLevel { + sys.LogPrint(msg.level, msg.msg) + } + default: + if sys.GetLogLevel() >= msg.level { + sys.LogPrint(msg.level, msg.msg) + } + } + } + wg.Done() +} + +// Reset removes all active log systems. +// It blocks until all current messages have been delivered. +func Reset() { + waiter := make(chan struct{}) + resetC <- waiter + <-waiter +} + +// Flush waits until all current log messages have been dispatched to +// the active log systems. +func Flush() { + waiter := make(chan struct{}) + flushC <- waiter + <-waiter +} + +// AddLogSystem starts printing messages to the given LogSystem. +func AddLogSystem(sys LogSystem) { + addSystemC <- sys +} diff --git a/logger/types.go b/logger/types.go new file mode 100644 index 000000000..f8dcb4e78 --- /dev/null +++ b/logger/types.go @@ -0,0 +1,360 @@ +package logger + +import ( + "time" +) + +type utctime8601 struct{} + +func (utctime8601) MarshalJSON() ([]byte, error) { + // FIX This should be re-formated for proper ISO 8601 + return []byte(`"` + time.Now().UTC().Format(time.RFC3339Nano)[:26] + `Z"`), nil +} + +type JsonLog interface { + EventName() string +} + +type LogEvent struct { + Guid string `json:"guid"` + Ts utctime8601 `json:"ts"` + // Level string `json:"level"` +} + +type LogStarting struct { + ClientString string `json:"version_string"` + Coinbase string `json:"coinbase"` + ProtocolVersion int `json:"eth_version"` + LogEvent +} + +func (l *LogStarting) EventName() string { + return "starting" +} + +type P2PConnecting struct { + RemoteId string `json:"remote_id"` + RemoteEndpoint string `json:"remote_endpoint"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PConnecting) EventName() string { + return "p2p.connecting" +} + +type P2PConnected struct { + NumConnections int `json:"num_connections"` + RemoteId string `json:"remote_id"` + LogEvent +} + +func (l *P2PConnected) EventName() string { + return "p2p.connected" +} + +type P2PHandshaked struct { + RemoteCapabilities []string `json:"remote_capabilities"` + RemoteId string `json:"remote_id"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PHandshaked) EventName() string { + return "p2p.handshaked" +} + +type P2PDisconnected struct { + NumConnections int `json:"num_connections"` + RemoteId string `json:"remote_id"` + LogEvent +} + +func (l *P2PDisconnected) EventName() string { + return "p2p.disconnected" +} + +type P2PDisconnecting struct { + Reason string `json:"reason"` + RemoteId string `json:"remote_id"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PDisconnecting) EventName() string { + return "p2p.disconnecting" +} + +type P2PDisconnectingBadHandshake struct { + Reason string `json:"reason"` + RemoteId string `json:"remote_id"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PDisconnectingBadHandshake) EventName() string { + return "p2p.disconnecting.bad_handshake" +} + +type P2PDisconnectingBadProtocol struct { + Reason string `json:"reason"` + RemoteId string `json:"remote_id"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PDisconnectingBadProtocol) EventName() string { + return "p2p.disconnecting.bad_protocol" +} + +type P2PDisconnectingReputation struct { + Reason string `json:"reason"` + RemoteId string `json:"remote_id"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PDisconnectingReputation) EventName() string { + return "p2p.disconnecting.reputation" +} + +type P2PDisconnectingDHT struct { + Reason string `json:"reason"` + RemoteId string `json:"remote_id"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PDisconnectingDHT) EventName() string { + return "p2p.disconnecting.dht" +} + +type P2PEthDisconnectingBadBlock struct { + Reason string `json:"reason"` + RemoteId string `json:"remote_id"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PEthDisconnectingBadBlock) EventName() string { + return "p2p.eth.disconnecting.bad_block" +} + +type P2PEthDisconnectingBadTx struct { + Reason string `json:"reason"` + RemoteId string `json:"remote_id"` + NumConnections int `json:"num_connections"` + LogEvent +} + +func (l *P2PEthDisconnectingBadTx) EventName() string { + return "p2p.eth.disconnecting.bad_tx" +} + +type EthNewBlockMined struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockHexRlp string `json:"block_hexrlp"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockMined) EventName() string { + return "eth.newblock.mined" +} + +type EthNewBlockBroadcasted struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockBroadcasted) EventName() string { + return "eth.newblock.broadcasted" +} + +type EthNewBlockReceived struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockReceived) EventName() string { + return "eth.newblock.received" +} + +type EthNewBlockIsKnown struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockIsKnown) EventName() string { + return "eth.newblock.is_known" +} + +type EthNewBlockIsNew struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockIsNew) EventName() string { + return "eth.newblock.is_new" +} + +type EthNewBlockMissingParent struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockMissingParent) EventName() string { + return "eth.newblock.missing_parent" +} + +type EthNewBlockIsInvalid struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockIsInvalid) EventName() string { + return "eth.newblock.is_invalid" +} + +type EthNewBlockChainIsOlder struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockChainIsOlder) EventName() string { + return "eth.newblock.chain.is_older" +} + +type EthNewBlockChainIsCanonical struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockChainIsCanonical) EventName() string { + return "eth.newblock.chain.is_cannonical" +} + +type EthNewBlockChainNotCanonical struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockChainNotCanonical) EventName() string { + return "eth.newblock.chain.not_cannonical" +} + +type EthNewBlockChainSwitched struct { + BlockNumber int `json:"block_number"` + HeadHash string `json:"head_hash"` + OldHeadHash string `json:"old_head_hash"` + BlockHash string `json:"block_hash"` + BlockDifficulty int `json:"block_difficulty"` + BlockPrevHash string `json:"block_prev_hash"` + LogEvent +} + +func (l *EthNewBlockChainSwitched) EventName() string { + return "eth.newblock.chain.switched" +} + +type EthTxCreated struct { + TxHash string `json:"tx_hash"` + TxSender string `json:"tx_sender"` + TxAddress string `json:"tx_address"` + TxHexRLP string `json:"tx_hexrlp"` + TxNonce int `json:"tx_nonce"` + LogEvent +} + +func (l *EthTxCreated) EventName() string { + return "eth.tx.created" +} + +type EthTxReceived struct { + TxHash string `json:"tx_hash"` + TxAddress string `json:"tx_address"` + TxHexRLP string `json:"tx_hexrlp"` + RemoteId string `json:"remote_id"` + TxNonce int `json:"tx_nonce"` + LogEvent +} + +func (l *EthTxReceived) EventName() string { + return "eth.tx.received" +} + +type EthTxBroadcasted struct { + TxHash string `json:"tx_hash"` + TxSender string `json:"tx_sender"` + TxAddress string `json:"tx_address"` + TxNonce int `json:"tx_nonce"` + LogEvent +} + +func (l *EthTxBroadcasted) EventName() string { + return "eth.tx.broadcasted" +} + +type EthTxValidated struct { + TxHash string `json:"tx_hash"` + TxSender string `json:"tx_sender"` + TxAddress string `json:"tx_address"` + TxNonce int `json:"tx_nonce"` + LogEvent +} + +func (l *EthTxValidated) EventName() string { + return "eth.tx.validated" +} + +type EthTxIsInvalid struct { + TxHash string `json:"tx_hash"` + TxSender string `json:"tx_sender"` + TxAddress string `json:"tx_address"` + Reason string `json:"reason"` + TxNonce int `json:"tx_nonce"` + LogEvent +} + +func (l *EthTxIsInvalid) EventName() string { + return "eth.tx.is_invalid" +} diff --git a/miner/agent.go b/miner/agent.go new file mode 100644 index 000000000..ddd8e6675 --- /dev/null +++ b/miner/agent.go @@ -0,0 +1,73 @@ +package miner + +import ( + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/pow" +) + +type CpuMiner struct { + c chan *types.Block + quit chan struct{} + quitCurrentOp chan struct{} + returnCh chan<- Work + + index int + pow pow.PoW +} + +func NewCpuMiner(index int, pow pow.PoW) *CpuMiner { + miner := &CpuMiner{ + c: make(chan *types.Block, 1), + quit: make(chan struct{}), + quitCurrentOp: make(chan struct{}, 1), + pow: pow, + index: index, + } + go miner.update() + + return miner +} + +func (self *CpuMiner) Work() chan<- *types.Block { return self.c } +func (self *CpuMiner) Pow() pow.PoW { return self.pow } +func (self *CpuMiner) SetNonceCh(ch chan<- Work) { self.returnCh = ch } + +func (self *CpuMiner) Stop() { + close(self.quit) + close(self.quitCurrentOp) +} + +func (self *CpuMiner) update() { +out: + for { + select { + case block := <-self.c: + // make sure it's open + self.quitCurrentOp <- struct{}{} + + go self.mine(block) + case <-self.quit: + break out + } + } + +done: + // Empty channel + for { + select { + case <-self.c: + default: + close(self.c) + + break done + } + } +} + +func (self *CpuMiner) mine(block *types.Block) { + minerlogger.Infof("(re)started agent[%d]. mining...\n", self.index) + nonce := self.pow.Search(block, self.quitCurrentOp) + if nonce != nil { + self.returnCh <- Work{block.Number().Uint64(), nonce} + } +} diff --git a/miner/miner.go b/miner/miner.go index 63c8e22a7..e3e7bead2 100644 --- a/miner/miner.go +++ b/miner/miner.go @@ -1,263 +1,61 @@ -/* - This file is part of go-ethereum - - go-ethereum is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - go-ethereum is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. -*/ -/** - * @authors - * Jeffrey Wilcke <i@jev.io> - * @date 2014 - * - */ - package miner import ( "math/big" - "sort" "github.com/ethereum/go-ethereum/eth" - "github.com/ethereum/go-ethereum/ethutil" - "github.com/ethereum/go-ethereum/pow" - "github.com/ethereum/go-ethereum/pow/ezp" - "github.com/ethereum/go-ethereum/state" - - "github.com/ethereum/go-ethereum/core" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/pow/ezp" ) -type LocalTx struct { - To []byte `json:"to"` - Data []byte `json:"data"` - Gas string `json:"gas"` - GasPrice string `json:"gasPrice"` - Value string `json:"value"` -} - -func (self *LocalTx) Sign(key []byte) *types.Transaction { - return nil -} - var minerlogger = logger.NewLogger("MINER") type Miner struct { - eth *eth.Ethereum - events event.Subscription - - uncles []*types.Header - localTxs map[int]*LocalTx - localTxId int - - pow pow.PoW - quitCh chan struct{} - powQuitCh chan struct{} - - Coinbase []byte - - mining bool + worker *worker MinAcceptedGasPrice *big.Int Extra string + + coinbase []byte + mining bool } func New(coinbase []byte, eth *eth.Ethereum) *Miner { - return &Miner{ - eth: eth, - powQuitCh: make(chan struct{}), - pow: ezp.New(), - mining: false, - localTxs: make(map[int]*LocalTx), - MinAcceptedGasPrice: big.NewInt(10000000000000), - Coinbase: coinbase, + miner := &Miner{ + coinbase: coinbase, + worker: newWorker(coinbase, eth), } -} - -func (self *Miner) GetPow() pow.PoW { - return self.pow -} - -func (self *Miner) AddLocalTx(tx *LocalTx) int { - minerlogger.Infof("Added local tx (%x %v / %v)\n", tx.To[0:4], tx.GasPrice, tx.Value) - self.localTxId++ - self.localTxs[self.localTxId] = tx - self.eth.EventMux().Post(tx) + for i := 0; i < 4; i++ { + miner.worker.register(NewCpuMiner(i, ezp.New())) + } - return self.localTxId + return miner } -func (self *Miner) RemoveLocalTx(id int) { - if tx := self.localTxs[id]; tx != nil { - minerlogger.Infof("Removed local tx (%x %v / %v)\n", tx.To[0:4], tx.GasPrice, tx.Value) - } - self.eth.EventMux().Post(&LocalTx{}) - - delete(self.localTxs, id) +func (self *Miner) Mining() bool { + return self.mining } func (self *Miner) Start() { - if self.mining { - return - } - - minerlogger.Infoln("Starting mining operations") self.mining = true - self.quitCh = make(chan struct{}) - self.powQuitCh = make(chan struct{}) - mux := self.eth.EventMux() - self.events = mux.Subscribe(core.NewBlockEvent{}, core.TxPreEvent{}, &LocalTx{}) + self.worker.start() - go self.update() - go self.mine() + self.worker.commitNewWork() } func (self *Miner) Stop() { - if !self.mining { - return - } - self.mining = false - minerlogger.Infoln("Stopping mining operations") - - self.events.Unsubscribe() - - close(self.quitCh) - close(self.powQuitCh) + self.worker.stop() } -func (self *Miner) Mining() bool { - return self.mining -} - -func (self *Miner) update() { -out: - for { - select { - case event := <-self.events.Chan(): - switch event := event.(type) { - case core.NewBlockEvent: - block := event.Block - if self.eth.ChainManager().HasBlock(block.Hash()) { - self.reset() - self.eth.TxPool().RemoveSet(block.Transactions()) - go self.mine() - } else if true { - // do uncle stuff - } - case core.TxPreEvent, *LocalTx: - self.reset() - go self.mine() - } - case <-self.quitCh: - break out - } - } -} - -func (self *Miner) reset() { - close(self.powQuitCh) - self.powQuitCh = make(chan struct{}) -} - -func (self *Miner) mine() { - var ( - blockProcessor = self.eth.BlockProcessor() - chainMan = self.eth.ChainManager() - block = chainMan.NewBlock(self.Coinbase) - state = state.New(block.Root(), self.eth.Db()) - ) - block.Header().Extra = self.Extra - - // Apply uncles - block.SetUncles(self.uncles) - - parent := chainMan.GetBlock(block.ParentHash()) - coinbase := state.GetOrNewStateObject(block.Coinbase()) - coinbase.SetGasPool(core.CalcGasLimit(parent, block)) - - transactions := self.finiliseTxs() - - // Accumulate all valid transactions and apply them to the new state - // Error may be ignored. It's not important during mining - receipts, txs, _, erroneous, err := blockProcessor.ApplyTransactions(coinbase, state, block, transactions, true) - if err != nil { - minerlogger.Debugln(err) - } - self.eth.TxPool().RemoveSet(erroneous) - - block.SetTransactions(txs) - block.SetReceipts(receipts) - - // Accumulate the rewards included for this block - blockProcessor.AccumulateRewards(state, block, parent) - - state.Update(ethutil.Big0) - block.SetRoot(state.Root()) - - minerlogger.Infof("Mining on block. Includes %v transactions", len(transactions)) - - // Find a valid nonce - nonce := self.pow.Search(block, self.powQuitCh) - if nonce != nil { - block.Header().Nonce = nonce - err := chainMan.InsertChain(types.Blocks{block}) - if err != nil { - minerlogger.Infoln(err) - } else { - self.eth.EventMux().Post(core.NewMinedBlockEvent{block}) - - minerlogger.Infof("🔨 Mined block %x\n", block.Hash()) - minerlogger.Infoln(block) - } - - go self.mine() +func (self *Miner) HashRate() int64 { + var tot int64 + for _, agent := range self.worker.agents { + tot += agent.Pow().GetHashrate() } -} - -func (self *Miner) finiliseTxs() types.Transactions { - // Sort the transactions by nonce in case of odd network propagation - actualSize := len(self.localTxs) // See copy below - txs := make(types.Transactions, actualSize+self.eth.TxPool().Size()) - - state := self.eth.ChainManager().TransState() - // XXX This has to change. Coinbase is, for new, same as key. - key := self.eth.KeyManager() - for i, ltx := range self.localTxs { - tx := types.NewTransactionMessage(ltx.To, ethutil.Big(ltx.Value), ethutil.Big(ltx.Gas), ethutil.Big(ltx.GasPrice), ltx.Data) - tx.SetNonce(state.GetNonce(self.Coinbase)) - state.SetNonce(self.Coinbase, tx.Nonce()+1) - - tx.Sign(key.PrivateKey()) - - txs[i] = tx - } - - // Faster than append - for _, tx := range self.eth.TxPool().GetTransactions() { - if tx.GasPrice().Cmp(self.MinAcceptedGasPrice) >= 0 { - txs[actualSize] = tx - actualSize++ - } - } - - newTransactions := make(types.Transactions, actualSize) - copy(newTransactions, txs[:actualSize]) - sort.Sort(types.TxByNonce{newTransactions}) - return newTransactions + return tot } diff --git a/miner/worker.go b/miner/worker.go index ea8f2e8b5..9244e06b9 100644 --- a/miner/worker.go +++ b/miner/worker.go @@ -41,12 +41,21 @@ func env(block *types.Block, eth *eth.Ethereum) *environment { return env } +type Work struct { + Number uint64 + Nonce []byte +} + type Agent interface { - Comms() chan<- *types.Block + Work() chan<- *types.Block + SetNonceCh(chan<- Work) + Stop() + Pow() pow.PoW } type worker struct { - agents []chan<- *types.Block + agents []Agent + recv chan Work mux *event.TypeMux quit chan struct{} pow pow.PoW @@ -57,40 +66,87 @@ type worker struct { coinbase []byte current *environment + + mining bool +} + +func newWorker(coinbase []byte, eth *eth.Ethereum) *worker { + return &worker{ + eth: eth, + mux: eth.EventMux(), + recv: make(chan Work), + chain: eth.ChainManager(), + proc: eth.BlockProcessor(), + coinbase: coinbase, + } } -func (self *worker) register(agent chan<- *types.Block) { +func (self *worker) start() { + self.mining = true + + self.quit = make(chan struct{}) + + go self.update() + go self.wait() +} + +func (self *worker) stop() { + self.mining = false + + close(self.quit) +} + +func (self *worker) register(agent Agent) { self.agents = append(self.agents, agent) + agent.SetNonceCh(self.recv) } func (self *worker) update() { - events := self.mux.Subscribe(core.NewBlockEvent{}, core.TxPreEvent{}, &LocalTx{}) + events := self.mux.Subscribe(core.ChainEvent{}, core.TxPreEvent{}) out: for { select { case event := <-events.Chan(): switch event := event.(type) { - case core.NewBlockEvent: - if self.eth.ChainManager().HasBlock(event.Block.Hash()) { - } + case core.ChainEvent: + self.commitNewWork() case core.TxPreEvent: if err := self.commitTransaction(event.Tx); err != nil { - self.commit() + self.push() } } case <-self.quit: break out } } + + events.Unsubscribe() } -func (self *worker) commit() { - self.current.state.Update(ethutil.Big0) - self.current.block.SetRoot(self.current.state.Root()) +func (self *worker) wait() { + for { + for work := range self.recv { + block := self.current.block + if block.Number().Uint64() == work.Number && block.Nonce() == nil { + self.current.block.Header().Nonce = work.Nonce - for _, agent := range self.agents { - agent <- self.current.block + self.chain.InsertChain(types.Blocks{self.current.block}) + self.mux.Post(core.NewMinedBlockEvent{self.current.block}) + } + break + } + } +} + +func (self *worker) push() { + if self.mining { + self.current.state.Update(ethutil.Big0) + self.current.block.SetRoot(self.current.state.Root()) + + for _, agent := range self.agents { + agent.Work() <- self.current.block + } } } @@ -110,7 +166,8 @@ func (self *worker) commitNewWork() { case core.IsNonceErr(err): remove = append(remove, tx) case core.IsGasLimitErr(err): - // ignore + // Break on gas limit + break default: minerlogger.Infoln(err) remove = append(remove, tx) @@ -120,7 +177,7 @@ func (self *worker) commitNewWork() { self.current.coinbase.AddAmount(core.BlockReward) - self.commit() + self.push() } var ( diff --git a/p2p/client_identity.go b/p2p/client_identity.go deleted file mode 100644 index f15fd01bf..000000000 --- a/p2p/client_identity.go +++ /dev/null @@ -1,63 +0,0 @@ -package p2p - -import ( - "fmt" - "runtime" -) - -// ClientIdentity represents the identity of a peer. -type ClientIdentity interface { - String() string // human readable identity - Pubkey() []byte // 512-bit public key -} - -type SimpleClientIdentity struct { - clientIdentifier string - version string - customIdentifier string - os string - implementation string - pubkey []byte -} - -func NewSimpleClientIdentity(clientIdentifier string, version string, customIdentifier string, pubkey []byte) *SimpleClientIdentity { - clientIdentity := &SimpleClientIdentity{ - clientIdentifier: clientIdentifier, - version: version, - customIdentifier: customIdentifier, - os: runtime.GOOS, - implementation: runtime.Version(), - pubkey: pubkey, - } - - return clientIdentity -} - -func (c *SimpleClientIdentity) init() { -} - -func (c *SimpleClientIdentity) String() string { - var id string - if len(c.customIdentifier) > 0 { - id = "/" + c.customIdentifier - } - - return fmt.Sprintf("%s/v%s%s/%s/%s", - c.clientIdentifier, - c.version, - id, - c.os, - c.implementation) -} - -func (c *SimpleClientIdentity) Pubkey() []byte { - return []byte(c.pubkey) -} - -func (c *SimpleClientIdentity) SetCustomIdentifier(customIdentifier string) { - c.customIdentifier = customIdentifier -} - -func (c *SimpleClientIdentity) GetCustomIdentifier() string { - return c.customIdentifier -} diff --git a/p2p/client_identity_test.go b/p2p/client_identity_test.go deleted file mode 100644 index 7248a7b1a..000000000 --- a/p2p/client_identity_test.go +++ /dev/null @@ -1,30 +0,0 @@ -package p2p - -import ( - "fmt" - "runtime" - "testing" -) - -func TestClientIdentity(t *testing.T) { - clientIdentity := NewSimpleClientIdentity("Ethereum(G)", "0.5.16", "test", []byte("pubkey")) - clientString := clientIdentity.String() - expected := fmt.Sprintf("Ethereum(G)/v0.5.16/test/%s/%s", runtime.GOOS, runtime.Version()) - if clientString != expected { - t.Errorf("Expected clientIdentity to be %v, got %v", expected, clientString) - } - customIdentifier := clientIdentity.GetCustomIdentifier() - if customIdentifier != "test" { - t.Errorf("Expected clientIdentity.GetCustomIdentifier() to be 'test', got %v", customIdentifier) - } - clientIdentity.SetCustomIdentifier("test2") - customIdentifier = clientIdentity.GetCustomIdentifier() - if customIdentifier != "test2" { - t.Errorf("Expected clientIdentity.GetCustomIdentifier() to be 'test2', got %v", customIdentifier) - } - clientString = clientIdentity.String() - expected = fmt.Sprintf("Ethereum(G)/v0.5.16/test2/%s/%s", runtime.GOOS, runtime.Version()) - if clientString != expected { - t.Errorf("Expected clientIdentity to be %v, got %v", expected, clientString) - } -} diff --git a/p2p/crypto.go b/p2p/crypto.go new file mode 100644 index 000000000..2692d708c --- /dev/null +++ b/p2p/crypto.go @@ -0,0 +1,363 @@ +package p2p + +import ( + // "binary" + "crypto/ecdsa" + "crypto/rand" + "fmt" + "io" + + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/crypto/secp256k1" + ethlogger "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p/discover" + "github.com/obscuren/ecies" +) + +var clogger = ethlogger.NewLogger("CRYPTOID") + +const ( + sskLen = 16 // ecies.MaxSharedKeyLength(pubKey) / 2 + sigLen = 65 // elliptic S256 + pubLen = 64 // 512 bit pubkey in uncompressed representation without format byte + shaLen = 32 // hash length (for nonce etc) + + authMsgLen = sigLen + shaLen + pubLen + shaLen + 1 + authRespLen = pubLen + shaLen + 1 + + eciesBytes = 65 + 16 + 32 + iHSLen = authMsgLen + eciesBytes // size of the final ECIES payload sent as initiator's handshake + rHSLen = authRespLen + eciesBytes // size of the final ECIES payload sent as receiver's handshake +) + +type hexkey []byte + +func (self hexkey) String() string { + return fmt.Sprintf("(%d) %x", len(self), []byte(self)) +} + +func encHandshake(conn io.ReadWriter, prv *ecdsa.PrivateKey, dial *discover.Node) ( + remoteID discover.NodeID, + sessionToken []byte, + err error, +) { + if dial == nil { + var remotePubkey []byte + sessionToken, remotePubkey, err = inboundEncHandshake(conn, prv, nil) + copy(remoteID[:], remotePubkey) + } else { + remoteID = dial.ID + sessionToken, err = outboundEncHandshake(conn, prv, remoteID[:], nil) + } + return remoteID, sessionToken, err +} + +// outboundEncHandshake negotiates a session token on conn. +// it should be called on the dialing side of the connection. +// +// privateKey is the local client's private key +// remotePublicKey is the remote peer's node ID +// sessionToken is the token from a previous session with this node. +func outboundEncHandshake(conn io.ReadWriter, prvKey *ecdsa.PrivateKey, remotePublicKey []byte, sessionToken []byte) ( + newSessionToken []byte, + err error, +) { + auth, initNonce, randomPrivKey, err := authMsg(prvKey, remotePublicKey, sessionToken) + if err != nil { + return nil, err + } + if sessionToken != nil { + clogger.Debugf("session-token: %v", hexkey(sessionToken)) + } + + clogger.Debugf("initiator-nonce: %v", hexkey(initNonce)) + clogger.Debugf("initiator-random-private-key: %v", hexkey(crypto.FromECDSA(randomPrivKey))) + randomPublicKeyS, _ := exportPublicKey(&randomPrivKey.PublicKey) + clogger.Debugf("initiator-random-public-key: %v", hexkey(randomPublicKeyS)) + if _, err = conn.Write(auth); err != nil { + return nil, err + } + clogger.Debugf("initiator handshake: %v", hexkey(auth)) + + response := make([]byte, rHSLen) + if _, err = io.ReadFull(conn, response); err != nil { + return nil, err + } + recNonce, remoteRandomPubKey, _, err := completeHandshake(response, prvKey) + if err != nil { + return nil, err + } + + clogger.Debugf("receiver-nonce: %v", hexkey(recNonce)) + remoteRandomPubKeyS, _ := exportPublicKey(remoteRandomPubKey) + clogger.Debugf("receiver-random-public-key: %v", hexkey(remoteRandomPubKeyS)) + return newSession(initNonce, recNonce, randomPrivKey, remoteRandomPubKey) +} + +// authMsg creates the initiator handshake. +func authMsg(prvKey *ecdsa.PrivateKey, remotePubKeyS, sessionToken []byte) ( + auth, initNonce []byte, + randomPrvKey *ecdsa.PrivateKey, + err error, +) { + // session init, common to both parties + remotePubKey, err := importPublicKey(remotePubKeyS) + if err != nil { + return + } + + var tokenFlag byte // = 0x00 + if sessionToken == nil { + // no session token found means we need to generate shared secret. + // ecies shared secret is used as initial session token for new peers + // generate shared key from prv and remote pubkey + if sessionToken, err = ecies.ImportECDSA(prvKey).GenerateShared(ecies.ImportECDSAPublic(remotePubKey), sskLen, sskLen); err != nil { + return + } + // tokenFlag = 0x00 // redundant + } else { + // for known peers, we use stored token from the previous session + tokenFlag = 0x01 + } + + //E(remote-pubk, S(ecdhe-random, ecdh-shared-secret^nonce) || H(ecdhe-random-pubk) || pubk || nonce || 0x0) + // E(remote-pubk, S(ecdhe-random, token^nonce) || H(ecdhe-random-pubk) || pubk || nonce || 0x1) + // allocate msgLen long message, + var msg []byte = make([]byte, authMsgLen) + initNonce = msg[authMsgLen-shaLen-1 : authMsgLen-1] + if _, err = rand.Read(initNonce); err != nil { + return + } + // create known message + // ecdh-shared-secret^nonce for new peers + // token^nonce for old peers + var sharedSecret = xor(sessionToken, initNonce) + + // generate random keypair to use for signing + if randomPrvKey, err = crypto.GenerateKey(); err != nil { + return + } + // sign shared secret (message known to both parties): shared-secret + var signature []byte + // signature = sign(ecdhe-random, shared-secret) + // uses secp256k1.Sign + if signature, err = crypto.Sign(sharedSecret, randomPrvKey); err != nil { + return + } + + // message + // signed-shared-secret || H(ecdhe-random-pubk) || pubk || nonce || 0x0 + copy(msg, signature) // copy signed-shared-secret + // H(ecdhe-random-pubk) + var randomPubKey64 []byte + if randomPubKey64, err = exportPublicKey(&randomPrvKey.PublicKey); err != nil { + return + } + var pubKey64 []byte + if pubKey64, err = exportPublicKey(&prvKey.PublicKey); err != nil { + return + } + copy(msg[sigLen:sigLen+shaLen], crypto.Sha3(randomPubKey64)) + // pubkey copied to the correct segment. + copy(msg[sigLen+shaLen:sigLen+shaLen+pubLen], pubKey64) + // nonce is already in the slice + // stick tokenFlag byte to the end + msg[authMsgLen-1] = tokenFlag + + // encrypt using remote-pubk + // auth = eciesEncrypt(remote-pubk, msg) + if auth, err = crypto.Encrypt(remotePubKey, msg); err != nil { + return + } + return +} + +// completeHandshake is called when the initiator receives an +// authentication response (aka receiver handshake). It completes the +// handshake by reading off parameters the remote peer provides needed +// to set up the secure session. +func completeHandshake(auth []byte, prvKey *ecdsa.PrivateKey) ( + respNonce []byte, + remoteRandomPubKey *ecdsa.PublicKey, + tokenFlag bool, + err error, +) { + var msg []byte + // they prove that msg is meant for me, + // I prove I possess private key if i can read it + if msg, err = crypto.Decrypt(prvKey, auth); err != nil { + return + } + + respNonce = msg[pubLen : pubLen+shaLen] + var remoteRandomPubKeyS = msg[:pubLen] + if remoteRandomPubKey, err = importPublicKey(remoteRandomPubKeyS); err != nil { + return + } + if msg[authRespLen-1] == 0x01 { + tokenFlag = true + } + return +} + +// inboundEncHandshake negotiates a session token on conn. +// it should be called on the listening side of the connection. +// +// privateKey is the local client's private key +// sessionToken is the token from a previous session with this node. +func inboundEncHandshake(conn io.ReadWriter, prvKey *ecdsa.PrivateKey, sessionToken []byte) ( + token, remotePubKey []byte, + err error, +) { + // we are listening connection. we are responders in the + // handshake. Extract info from the authentication. The initiator + // starts by sending us a handshake that we need to respond to. so + // we read auth message first, then respond. + auth := make([]byte, iHSLen) + if _, err := io.ReadFull(conn, auth); err != nil { + return nil, nil, err + } + response, recNonce, initNonce, remotePubKey, randomPrivKey, remoteRandomPubKey, err := authResp(auth, sessionToken, prvKey) + if err != nil { + return nil, nil, err + } + clogger.Debugf("receiver-nonce: %v", hexkey(recNonce)) + clogger.Debugf("receiver-random-priv-key: %v", hexkey(crypto.FromECDSA(randomPrivKey))) + if _, err = conn.Write(response); err != nil { + return nil, nil, err + } + clogger.Debugf("receiver handshake:\n%v", hexkey(response)) + token, err = newSession(initNonce, recNonce, randomPrivKey, remoteRandomPubKey) + return token, remotePubKey, err +} + +// authResp is called by peer if it accepted (but not +// initiated) the connection from the remote. It is passed the initiator +// handshake received and the session token belonging to the +// remote initiator. +// +// The first return value is the authentication response (aka receiver +// handshake) that is to be sent to the remote initiator. +func authResp(auth, sessionToken []byte, prvKey *ecdsa.PrivateKey) ( + authResp, respNonce, initNonce, remotePubKeyS []byte, + randomPrivKey *ecdsa.PrivateKey, + remoteRandomPubKey *ecdsa.PublicKey, + err error, +) { + // they prove that msg is meant for me, + // I prove I possess private key if i can read it + msg, err := crypto.Decrypt(prvKey, auth) + if err != nil { + return + } + + remotePubKeyS = msg[sigLen+shaLen : sigLen+shaLen+pubLen] + remotePubKey, _ := importPublicKey(remotePubKeyS) + + var tokenFlag byte + if sessionToken == nil { + // no session token found means we need to generate shared secret. + // ecies shared secret is used as initial session token for new peers + // generate shared key from prv and remote pubkey + if sessionToken, err = ecies.ImportECDSA(prvKey).GenerateShared(ecies.ImportECDSAPublic(remotePubKey), sskLen, sskLen); err != nil { + return + } + // tokenFlag = 0x00 // redundant + } else { + // for known peers, we use stored token from the previous session + tokenFlag = 0x01 + } + + // the initiator nonce is read off the end of the message + initNonce = msg[authMsgLen-shaLen-1 : authMsgLen-1] + // I prove that i own prv key (to derive shared secret, and read + // nonce off encrypted msg) and that I own shared secret they + // prove they own the private key belonging to ecdhe-random-pubk + // we can now reconstruct the signed message and recover the peers + // pubkey + var signedMsg = xor(sessionToken, initNonce) + var remoteRandomPubKeyS []byte + if remoteRandomPubKeyS, err = secp256k1.RecoverPubkey(signedMsg, msg[:sigLen]); err != nil { + return + } + // convert to ECDSA standard + if remoteRandomPubKey, err = importPublicKey(remoteRandomPubKeyS); err != nil { + return + } + + // now we find ourselves a long task too, fill it random + var resp = make([]byte, authRespLen) + // generate shaLen long nonce + respNonce = resp[pubLen : pubLen+shaLen] + if _, err = rand.Read(respNonce); err != nil { + return + } + // generate random keypair for session + if randomPrivKey, err = crypto.GenerateKey(); err != nil { + return + } + // responder auth message + // E(remote-pubk, ecdhe-random-pubk || nonce || 0x0) + var randomPubKeyS []byte + if randomPubKeyS, err = exportPublicKey(&randomPrivKey.PublicKey); err != nil { + return + } + copy(resp[:pubLen], randomPubKeyS) + // nonce is already in the slice + resp[authRespLen-1] = tokenFlag + + // encrypt using remote-pubk + // auth = eciesEncrypt(remote-pubk, msg) + // why not encrypt with ecdhe-random-remote + if authResp, err = crypto.Encrypt(remotePubKey, resp); err != nil { + return + } + return +} + +// newSession is called after the handshake is completed. The +// arguments are values negotiated in the handshake. The return value +// is a new session Token to be remembered for the next time we +// connect with this peer. +func newSession(initNonce, respNonce []byte, privKey *ecdsa.PrivateKey, remoteRandomPubKey *ecdsa.PublicKey) ([]byte, error) { + // 3) Now we can trust ecdhe-random-pubk to derive new keys + //ecdhe-shared-secret = ecdh.agree(ecdhe-random, remote-ecdhe-random-pubk) + pubKey := ecies.ImportECDSAPublic(remoteRandomPubKey) + dhSharedSecret, err := ecies.ImportECDSA(privKey).GenerateShared(pubKey, sskLen, sskLen) + if err != nil { + return nil, err + } + sharedSecret := crypto.Sha3(dhSharedSecret, crypto.Sha3(respNonce, initNonce)) + sessionToken := crypto.Sha3(sharedSecret) + return sessionToken, nil +} + +// importPublicKey unmarshals 512 bit public keys. +func importPublicKey(pubKey []byte) (pubKeyEC *ecdsa.PublicKey, err error) { + var pubKey65 []byte + switch len(pubKey) { + case 64: + // add 'uncompressed key' flag + pubKey65 = append([]byte{0x04}, pubKey...) + case 65: + pubKey65 = pubKey + default: + return nil, fmt.Errorf("invalid public key length %v (expect 64/65)", len(pubKey)) + } + return crypto.ToECDSAPub(pubKey65), nil +} + +func exportPublicKey(pubKeyEC *ecdsa.PublicKey) (pubKey []byte, err error) { + if pubKeyEC == nil { + return nil, fmt.Errorf("no ECDSA public key given") + } + return crypto.FromECDSAPub(pubKeyEC)[1:], nil +} + +func xor(one, other []byte) (xor []byte) { + xor = make([]byte, len(one)) + for i := 0; i < len(one); i++ { + xor[i] = one[i] ^ other[i] + } + return xor +} diff --git a/p2p/crypto_test.go b/p2p/crypto_test.go new file mode 100644 index 000000000..0a9d49f96 --- /dev/null +++ b/p2p/crypto_test.go @@ -0,0 +1,167 @@ +package p2p + +import ( + "bytes" + "crypto/ecdsa" + "crypto/rand" + "net" + "testing" + + "github.com/ethereum/go-ethereum/crypto" + "github.com/obscuren/ecies" +) + +func TestPublicKeyEncoding(t *testing.T) { + prv0, _ := crypto.GenerateKey() // = ecdsa.GenerateKey(crypto.S256(), rand.Reader) + pub0 := &prv0.PublicKey + pub0s := crypto.FromECDSAPub(pub0) + pub1, err := importPublicKey(pub0s) + if err != nil { + t.Errorf("%v", err) + } + eciesPub1 := ecies.ImportECDSAPublic(pub1) + if eciesPub1 == nil { + t.Errorf("invalid ecdsa public key") + } + pub1s, err := exportPublicKey(pub1) + if err != nil { + t.Errorf("%v", err) + } + if len(pub1s) != 64 { + t.Errorf("wrong length expect 64, got", len(pub1s)) + } + pub2, err := importPublicKey(pub1s) + if err != nil { + t.Errorf("%v", err) + } + pub2s, err := exportPublicKey(pub2) + if err != nil { + t.Errorf("%v", err) + } + if !bytes.Equal(pub1s, pub2s) { + t.Errorf("exports dont match") + } + pub2sEC := crypto.FromECDSAPub(pub2) + if !bytes.Equal(pub0s, pub2sEC) { + t.Errorf("exports dont match") + } +} + +func TestSharedSecret(t *testing.T) { + prv0, _ := crypto.GenerateKey() // = ecdsa.GenerateKey(crypto.S256(), rand.Reader) + pub0 := &prv0.PublicKey + prv1, _ := crypto.GenerateKey() + pub1 := &prv1.PublicKey + + ss0, err := ecies.ImportECDSA(prv0).GenerateShared(ecies.ImportECDSAPublic(pub1), sskLen, sskLen) + if err != nil { + return + } + ss1, err := ecies.ImportECDSA(prv1).GenerateShared(ecies.ImportECDSAPublic(pub0), sskLen, sskLen) + if err != nil { + return + } + t.Logf("Secret:\n%v %x\n%v %x", len(ss0), ss0, len(ss0), ss1) + if !bytes.Equal(ss0, ss1) { + t.Errorf("dont match :(") + } +} + +func TestCryptoHandshake(t *testing.T) { + testCryptoHandshake(newkey(), newkey(), nil, t) +} + +func TestCryptoHandshakeWithToken(t *testing.T) { + sessionToken := make([]byte, shaLen) + rand.Read(sessionToken) + testCryptoHandshake(newkey(), newkey(), sessionToken, t) +} + +func testCryptoHandshake(prv0, prv1 *ecdsa.PrivateKey, sessionToken []byte, t *testing.T) { + var err error + // pub0 := &prv0.PublicKey + pub1 := &prv1.PublicKey + + // pub0s := crypto.FromECDSAPub(pub0) + pub1s := crypto.FromECDSAPub(pub1) + + // simulate handshake by feeding output to input + // initiator sends handshake 'auth' + auth, initNonce, randomPrivKey, err := authMsg(prv0, pub1s, sessionToken) + if err != nil { + t.Errorf("%v", err) + } + t.Logf("-> %v", hexkey(auth)) + + // receiver reads auth and responds with response + response, remoteRecNonce, remoteInitNonce, _, remoteRandomPrivKey, remoteInitRandomPubKey, err := authResp(auth, sessionToken, prv1) + if err != nil { + t.Errorf("%v", err) + } + t.Logf("<- %v\n", hexkey(response)) + + // initiator reads receiver's response and the key exchange completes + recNonce, remoteRandomPubKey, _, err := completeHandshake(response, prv0) + if err != nil { + t.Errorf("completeHandshake error: %v", err) + } + + // now both parties should have the same session parameters + initSessionToken, err := newSession(initNonce, recNonce, randomPrivKey, remoteRandomPubKey) + if err != nil { + t.Errorf("newSession error: %v", err) + } + + recSessionToken, err := newSession(remoteInitNonce, remoteRecNonce, remoteRandomPrivKey, remoteInitRandomPubKey) + if err != nil { + t.Errorf("newSession error: %v", err) + } + + // fmt.Printf("\nauth (%v) %x\n\nresp (%v) %x\n\n", len(auth), auth, len(response), response) + + // fmt.Printf("\nauth %x\ninitNonce %x\nresponse%x\nremoteRecNonce %x\nremoteInitNonce %x\nremoteRandomPubKey %x\nrecNonce %x\nremoteInitRandomPubKey %x\ninitSessionToken %x\n\n", auth, initNonce, response, remoteRecNonce, remoteInitNonce, remoteRandomPubKey, recNonce, remoteInitRandomPubKey, initSessionToken) + + if !bytes.Equal(initNonce, remoteInitNonce) { + t.Errorf("nonces do not match") + } + if !bytes.Equal(recNonce, remoteRecNonce) { + t.Errorf("receiver nonces do not match") + } + if !bytes.Equal(initSessionToken, recSessionToken) { + t.Errorf("session tokens do not match") + } +} + +func TestHandshake(t *testing.T) { + defer testlog(t).detach() + + prv0, _ := crypto.GenerateKey() + prv1, _ := crypto.GenerateKey() + pub0s, _ := exportPublicKey(&prv0.PublicKey) + pub1s, _ := exportPublicKey(&prv1.PublicKey) + rw0, rw1 := net.Pipe() + tokens := make(chan []byte) + + go func() { + token, err := outboundEncHandshake(rw0, prv0, pub1s, nil) + if err != nil { + t.Errorf("outbound side error: %v", err) + } + tokens <- token + }() + go func() { + token, remotePubkey, err := inboundEncHandshake(rw1, prv1, nil) + if err != nil { + t.Errorf("inbound side error: %v", err) + } + if !bytes.Equal(remotePubkey, pub0s) { + t.Errorf("inbound side returned wrong remote pubkey\n got: %x\n want: %x", remotePubkey, pub0s) + } + tokens <- token + }() + + t1, t2 := <-tokens, <-tokens + if !bytes.Equal(t1, t2) { + t.Error("session token mismatch") + } +} diff --git a/p2p/discover/node.go b/p2p/discover/node.go new file mode 100644 index 000000000..c6d2e9766 --- /dev/null +++ b/p2p/discover/node.go @@ -0,0 +1,291 @@ +package discover + +import ( + "crypto/ecdsa" + "crypto/elliptic" + "encoding/hex" + "errors" + "fmt" + "io" + "math/rand" + "net" + "net/url" + "strconv" + "strings" + "time" + + "github.com/ethereum/go-ethereum/crypto/secp256k1" + "github.com/ethereum/go-ethereum/rlp" +) + +const nodeIDBits = 512 + +// Node represents a host on the network. +type Node struct { + ID NodeID + IP net.IP + + DiscPort int // UDP listening port for discovery protocol + TCPPort int // TCP listening port for RLPx + + active time.Time +} + +func newNode(id NodeID, addr *net.UDPAddr) *Node { + return &Node{ + ID: id, + IP: addr.IP, + DiscPort: addr.Port, + TCPPort: addr.Port, + active: time.Now(), + } +} + +func (n *Node) isValid() bool { + // TODO: don't accept localhost, LAN addresses from internet hosts + return !n.IP.IsMulticast() && !n.IP.IsUnspecified() && n.TCPPort != 0 && n.DiscPort != 0 +} + +// The string representation of a Node is a URL. +// Please see ParseNode for a description of the format. +func (n *Node) String() string { + addr := net.TCPAddr{IP: n.IP, Port: n.TCPPort} + u := url.URL{ + Scheme: "enode", + User: url.User(fmt.Sprintf("%x", n.ID[:])), + Host: addr.String(), + } + if n.DiscPort != n.TCPPort { + u.RawQuery = "discport=" + strconv.Itoa(n.DiscPort) + } + return u.String() +} + +// ParseNode parses a node URL. +// +// A node URL has scheme "enode". +// +// The hexadecimal node ID is encoded in the username portion of the +// URL, separated from the host by an @ sign. The hostname can only be +// given as an IP address, DNS domain names are not allowed. The port +// in the host name section is the TCP listening port. If the TCP and +// UDP (discovery) ports differ, the UDP port is specified as query +// parameter "discport". +// +// In the following example, the node URL describes +// a node with IP address 10.3.58.6, TCP listening port 30303 +// and UDP discovery port 30301. +// +// enode://<hex node id>@10.3.58.6:30303?discport=30301 +func ParseNode(rawurl string) (*Node, error) { + var n Node + u, err := url.Parse(rawurl) + if u.Scheme != "enode" { + return nil, errors.New("invalid URL scheme, want \"enode\"") + } + if u.User == nil { + return nil, errors.New("does not contain node ID") + } + if n.ID, err = HexID(u.User.String()); err != nil { + return nil, fmt.Errorf("invalid node ID (%v)", err) + } + ip, port, err := net.SplitHostPort(u.Host) + if err != nil { + return nil, fmt.Errorf("invalid host: %v", err) + } + if n.IP = net.ParseIP(ip); n.IP == nil { + return nil, errors.New("invalid IP address") + } + if n.TCPPort, err = strconv.Atoi(port); err != nil { + return nil, errors.New("invalid port") + } + qv := u.Query() + if qv.Get("discport") == "" { + n.DiscPort = n.TCPPort + } else { + if n.DiscPort, err = strconv.Atoi(qv.Get("discport")); err != nil { + return nil, errors.New("invalid discport in query") + } + } + return &n, nil +} + +// MustParseNode parses a node URL. It panics if the URL is not valid. +func MustParseNode(rawurl string) *Node { + n, err := ParseNode(rawurl) + if err != nil { + panic("invalid node URL: " + err.Error()) + } + return n +} + +func (n Node) EncodeRLP(w io.Writer) error { + return rlp.Encode(w, rpcNode{IP: n.IP.String(), Port: uint16(n.TCPPort), ID: n.ID}) +} +func (n *Node) DecodeRLP(s *rlp.Stream) (err error) { + var ext rpcNode + if err = s.Decode(&ext); err == nil { + n.TCPPort = int(ext.Port) + n.DiscPort = int(ext.Port) + n.ID = ext.ID + if n.IP = net.ParseIP(ext.IP); n.IP == nil { + return errors.New("invalid IP string") + } + } + return err +} + +// NodeID is a unique identifier for each node. +// The node identifier is a marshaled elliptic curve public key. +type NodeID [nodeIDBits / 8]byte + +// NodeID prints as a long hexadecimal number. +func (n NodeID) String() string { + return fmt.Sprintf("%#x", n[:]) +} + +// The Go syntax representation of a NodeID is a call to HexID. +func (n NodeID) GoString() string { + return fmt.Sprintf("discover.HexID(\"%#x\")", n[:]) +} + +// HexID converts a hex string to a NodeID. +// The string may be prefixed with 0x. +func HexID(in string) (NodeID, error) { + if strings.HasPrefix(in, "0x") { + in = in[2:] + } + var id NodeID + b, err := hex.DecodeString(in) + if err != nil { + return id, err + } else if len(b) != len(id) { + return id, fmt.Errorf("wrong length, need %d hex bytes", len(id)) + } + copy(id[:], b) + return id, nil +} + +// MustHexID converts a hex string to a NodeID. +// It panics if the string is not a valid NodeID. +func MustHexID(in string) NodeID { + id, err := HexID(in) + if err != nil { + panic(err) + } + return id +} + +// PubkeyID returns a marshaled representation of the given public key. +func PubkeyID(pub *ecdsa.PublicKey) NodeID { + var id NodeID + pbytes := elliptic.Marshal(pub.Curve, pub.X, pub.Y) + if len(pbytes)-1 != len(id) { + panic(fmt.Errorf("need %d bit pubkey, got %d bits", (len(id)+1)*8, len(pbytes))) + } + copy(id[:], pbytes[1:]) + return id +} + +// recoverNodeID computes the public key used to sign the +// given hash from the signature. +func recoverNodeID(hash, sig []byte) (id NodeID, err error) { + pubkey, err := secp256k1.RecoverPubkey(hash, sig) + if err != nil { + return id, err + } + if len(pubkey)-1 != len(id) { + return id, fmt.Errorf("recovered pubkey has %d bits, want %d bits", len(pubkey)*8, (len(id)+1)*8) + } + for i := range id { + id[i] = pubkey[i+1] + } + return id, nil +} + +// distcmp compares the distances a->target and b->target. +// Returns -1 if a is closer to target, 1 if b is closer to target +// and 0 if they are equal. +func distcmp(target, a, b NodeID) int { + for i := range target { + da := a[i] ^ target[i] + db := b[i] ^ target[i] + if da > db { + return 1 + } else if da < db { + return -1 + } + } + return 0 +} + +// table of leading zero counts for bytes [0..255] +var lzcount = [256]int{ + 8, 7, 6, 6, 5, 5, 5, 5, + 4, 4, 4, 4, 4, 4, 4, 4, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +} + +// logdist returns the logarithmic distance between a and b, log2(a ^ b). +func logdist(a, b NodeID) int { + lz := 0 + for i := range a { + x := a[i] ^ b[i] + if x == 0 { + lz += 8 + } else { + lz += lzcount[x] + break + } + } + return len(a)*8 - lz +} + +// randomID returns a random NodeID such that logdist(a, b) == n +func randomID(a NodeID, n int) (b NodeID) { + if n == 0 { + return a + } + // flip bit at position n, fill the rest with random bits + b = a + pos := len(a) - n/8 - 1 + bit := byte(0x01) << (byte(n%8) - 1) + if bit == 0 { + pos++ + bit = 0x80 + } + b[pos] = a[pos]&^bit | ^a[pos]&bit // TODO: randomize end bits + for i := pos + 1; i < len(a); i++ { + b[i] = byte(rand.Intn(255)) + } + return b +} diff --git a/p2p/discover/node_test.go b/p2p/discover/node_test.go new file mode 100644 index 000000000..ae82ae4f1 --- /dev/null +++ b/p2p/discover/node_test.go @@ -0,0 +1,201 @@ +package discover + +import ( + "math/big" + "math/rand" + "net" + "reflect" + "testing" + "testing/quick" + "time" + + "github.com/ethereum/go-ethereum/crypto" +) + +var ( + quickrand = rand.New(rand.NewSource(time.Now().Unix())) + quickcfg = &quick.Config{MaxCount: 5000, Rand: quickrand} +) + +var parseNodeTests = []struct { + rawurl string + wantError string + wantResult *Node +}{ + { + rawurl: "http://foobar", + wantError: `invalid URL scheme, want "enode"`, + }, + { + rawurl: "enode://foobar", + wantError: `does not contain node ID`, + }, + { + rawurl: "enode://01010101@123.124.125.126:3", + wantError: `invalid node ID (wrong length, need 64 hex bytes)`, + }, + { + rawurl: "enode://1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439@hostname:3", + wantError: `invalid IP address`, + }, + { + rawurl: "enode://1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439@127.0.0.1:foo", + wantError: `invalid port`, + }, + { + rawurl: "enode://1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439@127.0.0.1:3?discport=foo", + wantError: `invalid discport in query`, + }, + { + rawurl: "enode://1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439@127.0.0.1:52150", + wantResult: &Node{ + ID: MustHexID("0x1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"), + IP: net.ParseIP("127.0.0.1"), + DiscPort: 52150, + TCPPort: 52150, + }, + }, + { + rawurl: "enode://1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439@[::]:52150", + wantResult: &Node{ + ID: MustHexID("0x1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"), + IP: net.ParseIP("::"), + DiscPort: 52150, + TCPPort: 52150, + }, + }, + { + rawurl: "enode://1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439@127.0.0.1:52150?discport=223344", + wantResult: &Node{ + ID: MustHexID("0x1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"), + IP: net.ParseIP("127.0.0.1"), + DiscPort: 223344, + TCPPort: 52150, + }, + }, +} + +func TestParseNode(t *testing.T) { + for i, test := range parseNodeTests { + n, err := ParseNode(test.rawurl) + if err == nil && test.wantError != "" { + t.Errorf("test %d: got nil error, expected %#q", i, test.wantError) + continue + } + if err != nil && err.Error() != test.wantError { + t.Errorf("test %d: got error %#q, expected %#q", i, err.Error(), test.wantError) + continue + } + if !reflect.DeepEqual(n, test.wantResult) { + t.Errorf("test %d: result mismatch:\ngot: %#v, want: %#v", i, n, test.wantResult) + } + } +} + +func TestNodeString(t *testing.T) { + for i, test := range parseNodeTests { + if test.wantError != "" { + continue + } + str := test.wantResult.String() + if str != test.rawurl { + t.Errorf("test %d: Node.String() mismatch:\ngot: %s\nwant: %s", i, str, test.rawurl) + } + } +} + +func TestHexID(t *testing.T) { + ref := NodeID{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 106, 217, 182, 31, 165, 174, 1, 67, 7, 235, 220, 150, 66, 83, 173, 205, 159, 44, 10, 57, 42, 161, 26, 188} + id1 := MustHexID("0x000000000000000000000000000000000000000000000000000000000000000000000000000000806ad9b61fa5ae014307ebdc964253adcd9f2c0a392aa11abc") + id2 := MustHexID("000000000000000000000000000000000000000000000000000000000000000000000000000000806ad9b61fa5ae014307ebdc964253adcd9f2c0a392aa11abc") + + if id1 != ref { + t.Errorf("wrong id1\ngot %v\nwant %v", id1[:], ref[:]) + } + if id2 != ref { + t.Errorf("wrong id2\ngot %v\nwant %v", id2[:], ref[:]) + } +} + +func TestNodeID_recover(t *testing.T) { + prv := newkey() + hash := make([]byte, 32) + sig, err := crypto.Sign(hash, prv) + if err != nil { + t.Fatalf("signing error: %v", err) + } + + pub := PubkeyID(&prv.PublicKey) + recpub, err := recoverNodeID(hash, sig) + if err != nil { + t.Fatalf("recovery error: %v", err) + } + if pub != recpub { + t.Errorf("recovered wrong pubkey:\ngot: %v\nwant: %v", recpub, pub) + } +} + +func TestNodeID_distcmp(t *testing.T) { + distcmpBig := func(target, a, b NodeID) int { + tbig := new(big.Int).SetBytes(target[:]) + abig := new(big.Int).SetBytes(a[:]) + bbig := new(big.Int).SetBytes(b[:]) + return new(big.Int).Xor(tbig, abig).Cmp(new(big.Int).Xor(tbig, bbig)) + } + if err := quick.CheckEqual(distcmp, distcmpBig, quickcfg); err != nil { + t.Error(err) + } +} + +// the random tests is likely to miss the case where they're equal. +func TestNodeID_distcmpEqual(t *testing.T) { + base := NodeID{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} + x := NodeID{15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0} + if distcmp(base, x, x) != 0 { + t.Errorf("distcmp(base, x, x) != 0") + } +} + +func TestNodeID_logdist(t *testing.T) { + logdistBig := func(a, b NodeID) int { + abig, bbig := new(big.Int).SetBytes(a[:]), new(big.Int).SetBytes(b[:]) + return new(big.Int).Xor(abig, bbig).BitLen() + } + if err := quick.CheckEqual(logdist, logdistBig, quickcfg); err != nil { + t.Error(err) + } +} + +// the random tests is likely to miss the case where they're equal. +func TestNodeID_logdistEqual(t *testing.T) { + x := NodeID{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} + if logdist(x, x) != 0 { + t.Errorf("logdist(x, x) != 0") + } +} + +func TestNodeID_randomID(t *testing.T) { + // we don't use quick.Check here because its output isn't + // very helpful when the test fails. + for i := 0; i < quickcfg.MaxCount; i++ { + a := gen(NodeID{}, quickrand).(NodeID) + dist := quickrand.Intn(len(NodeID{}) * 8) + result := randomID(a, dist) + actualdist := logdist(result, a) + + if dist != actualdist { + t.Log("a: ", a) + t.Log("result:", result) + t.Fatalf("#%d: distance of result is %d, want %d", i, actualdist, dist) + } + } +} + +func (NodeID) Generate(rand *rand.Rand, size int) reflect.Value { + var id NodeID + m := rand.Intn(len(id)) + for i := len(id) - 1; i > m; i-- { + id[i] = byte(rand.Uint32()) + } + return reflect.ValueOf(id) +} diff --git a/p2p/discover/table.go b/p2p/discover/table.go new file mode 100644 index 000000000..e3bec9328 --- /dev/null +++ b/p2p/discover/table.go @@ -0,0 +1,280 @@ +// Package discover implements the Node Discovery Protocol. +// +// The Node Discovery protocol provides a way to find RLPx nodes that +// can be connected to. It uses a Kademlia-like protocol to maintain a +// distributed database of the IDs and endpoints of all listening +// nodes. +package discover + +import ( + "net" + "sort" + "sync" + "time" +) + +const ( + alpha = 3 // Kademlia concurrency factor + bucketSize = 16 // Kademlia bucket size + nBuckets = nodeIDBits + 1 // Number of buckets +) + +type Table struct { + mutex sync.Mutex // protects buckets, their content, and nursery + buckets [nBuckets]*bucket // index of known nodes by distance + nursery []*Node // bootstrap nodes + + net transport + self *Node // metadata of the local node +} + +// transport is implemented by the UDP transport. +// it is an interface so we can test without opening lots of UDP +// sockets and without generating a private key. +type transport interface { + ping(*Node) error + findnode(e *Node, target NodeID) ([]*Node, error) + close() +} + +// bucket contains nodes, ordered by their last activity. +type bucket struct { + lastLookup time.Time + entries []*Node +} + +func newTable(t transport, ourID NodeID, ourAddr *net.UDPAddr) *Table { + tab := &Table{net: t, self: newNode(ourID, ourAddr)} + for i := range tab.buckets { + tab.buckets[i] = new(bucket) + } + return tab +} + +// Self returns the local node ID. +func (tab *Table) Self() NodeID { + return tab.self.ID +} + +// Close terminates the network listener. +func (tab *Table) Close() { + tab.net.close() +} + +// Bootstrap sets the bootstrap nodes. These nodes are used to connect +// to the network if the table is empty. Bootstrap will also attempt to +// fill the table by performing random lookup operations on the +// network. +func (tab *Table) Bootstrap(nodes []*Node) { + tab.mutex.Lock() + // TODO: maybe filter nodes with bad fields (nil, etc.) to avoid strange crashes + tab.nursery = make([]*Node, 0, len(nodes)) + for _, n := range nodes { + cpy := *n + tab.nursery = append(tab.nursery, &cpy) + } + tab.mutex.Unlock() + tab.refresh() +} + +// Lookup performs a network search for nodes close +// to the given target. It approaches the target by querying +// nodes that are closer to it on each iteration. +func (tab *Table) Lookup(target NodeID) []*Node { + var ( + asked = make(map[NodeID]bool) + seen = make(map[NodeID]bool) + reply = make(chan []*Node, alpha) + pendingQueries = 0 + ) + // don't query further if we hit the target or ourself. + // unlikely to happen often in practice. + asked[target] = true + asked[tab.self.ID] = true + + tab.mutex.Lock() + // update last lookup stamp (for refresh logic) + tab.buckets[logdist(tab.self.ID, target)].lastLookup = time.Now() + // generate initial result set + result := tab.closest(target, bucketSize) + tab.mutex.Unlock() + + for { + // ask the alpha closest nodes that we haven't asked yet + for i := 0; i < len(result.entries) && pendingQueries < alpha; i++ { + n := result.entries[i] + if !asked[n.ID] { + asked[n.ID] = true + pendingQueries++ + go func() { + result, _ := tab.net.findnode(n, target) + reply <- result + }() + } + } + if pendingQueries == 0 { + // we have asked all closest nodes, stop the search + break + } + + // wait for the next reply + for _, n := range <-reply { + cn := n + if !seen[n.ID] { + seen[n.ID] = true + result.push(cn, bucketSize) + } + } + pendingQueries-- + } + return result.entries +} + +// refresh performs a lookup for a random target to keep buckets full. +func (tab *Table) refresh() { + ld := -1 // logdist of chosen bucket + tab.mutex.Lock() + for i, b := range tab.buckets { + if i > 0 && b.lastLookup.Before(time.Now().Add(-1*time.Hour)) { + ld = i + break + } + } + tab.mutex.Unlock() + + result := tab.Lookup(randomID(tab.self.ID, ld)) + if len(result) == 0 { + // bootstrap the table with a self lookup + tab.mutex.Lock() + tab.add(tab.nursery) + tab.mutex.Unlock() + tab.Lookup(tab.self.ID) + // TODO: the Kademlia paper says that we're supposed to perform + // random lookups in all buckets further away than our closest neighbor. + } +} + +// closest returns the n nodes in the table that are closest to the +// given id. The caller must hold tab.mutex. +func (tab *Table) closest(target NodeID, nresults int) *nodesByDistance { + // This is a very wasteful way to find the closest nodes but + // obviously correct. I believe that tree-based buckets would make + // this easier to implement efficiently. + close := &nodesByDistance{target: target} + for _, b := range tab.buckets { + for _, n := range b.entries { + close.push(n, nresults) + } + } + return close +} + +func (tab *Table) len() (n int) { + for _, b := range tab.buckets { + n += len(b.entries) + } + return n +} + +// bumpOrAdd updates the activity timestamp for the given node and +// attempts to insert the node into a bucket. The returned Node might +// not be part of the table. The caller must hold tab.mutex. +func (tab *Table) bumpOrAdd(node NodeID, from *net.UDPAddr) (n *Node) { + b := tab.buckets[logdist(tab.self.ID, node)] + if n = b.bump(node); n == nil { + n = newNode(node, from) + if len(b.entries) == bucketSize { + tab.pingReplace(n, b) + } else { + b.entries = append(b.entries, n) + } + } + return n +} + +func (tab *Table) pingReplace(n *Node, b *bucket) { + old := b.entries[bucketSize-1] + go func() { + if err := tab.net.ping(old); err == nil { + // it responded, we don't need to replace it. + return + } + // it didn't respond, replace the node if it is still the oldest node. + tab.mutex.Lock() + if len(b.entries) > 0 && b.entries[len(b.entries)-1] == old { + // slide down other entries and put the new one in front. + // TODO: insert in correct position to keep the order + copy(b.entries[1:], b.entries) + b.entries[0] = n + } + tab.mutex.Unlock() + }() +} + +// bump updates the activity timestamp for the given node. +// The caller must hold tab.mutex. +func (tab *Table) bump(node NodeID) { + tab.buckets[logdist(tab.self.ID, node)].bump(node) +} + +// add puts the entries into the table if their corresponding +// bucket is not full. The caller must hold tab.mutex. +func (tab *Table) add(entries []*Node) { +outer: + for _, n := range entries { + if n == nil || n.ID == tab.self.ID { + // skip bad entries. The RLP decoder returns nil for empty + // input lists. + continue + } + bucket := tab.buckets[logdist(tab.self.ID, n.ID)] + for i := range bucket.entries { + if bucket.entries[i].ID == n.ID { + // already in bucket + continue outer + } + } + if len(bucket.entries) < bucketSize { + bucket.entries = append(bucket.entries, n) + } + } +} + +func (b *bucket) bump(id NodeID) *Node { + for i, n := range b.entries { + if n.ID == id { + n.active = time.Now() + // move it to the front + copy(b.entries[1:], b.entries[:i+1]) + b.entries[0] = n + return n + } + } + return nil +} + +// nodesByDistance is a list of nodes, ordered by +// distance to target. +type nodesByDistance struct { + entries []*Node + target NodeID +} + +// push adds the given node to the list, keeping the total size below maxElems. +func (h *nodesByDistance) push(n *Node, maxElems int) { + ix := sort.Search(len(h.entries), func(i int) bool { + return distcmp(h.target, h.entries[i].ID, n.ID) > 0 + }) + if len(h.entries) < maxElems { + h.entries = append(h.entries, n) + } + if ix == len(h.entries) { + // farther away than all nodes we already have. + // if there was room for it, the node is now the last element. + } else { + // slide existing entries down to make room + // this will overwrite the entry we just appended. + copy(h.entries[ix+1:], h.entries[ix:]) + h.entries[ix] = n + } +} diff --git a/p2p/discover/table_test.go b/p2p/discover/table_test.go new file mode 100644 index 000000000..08faea68e --- /dev/null +++ b/p2p/discover/table_test.go @@ -0,0 +1,311 @@ +package discover + +import ( + "crypto/ecdsa" + "errors" + "fmt" + "math/rand" + "net" + "reflect" + "testing" + "testing/quick" + "time" + + "github.com/ethereum/go-ethereum/crypto" +) + +func TestTable_bumpOrAddBucketAssign(t *testing.T) { + tab := newTable(nil, NodeID{}, &net.UDPAddr{}) + for i := 1; i < len(tab.buckets); i++ { + tab.bumpOrAdd(randomID(tab.self.ID, i), &net.UDPAddr{}) + } + for i, b := range tab.buckets { + if i > 0 && len(b.entries) != 1 { + t.Errorf("bucket %d has %d entries, want 1", i, len(b.entries)) + } + } +} + +func TestTable_bumpOrAddPingReplace(t *testing.T) { + pingC := make(pingC) + tab := newTable(pingC, NodeID{}, &net.UDPAddr{}) + last := fillBucket(tab, 200) + + // this bumpOrAdd should not replace the last node + // because the node replies to ping. + new := tab.bumpOrAdd(randomID(tab.self.ID, 200), &net.UDPAddr{}) + + pinged := <-pingC + if pinged != last.ID { + t.Fatalf("pinged wrong node: %v\nwant %v", pinged, last.ID) + } + + tab.mutex.Lock() + defer tab.mutex.Unlock() + if l := len(tab.buckets[200].entries); l != bucketSize { + t.Errorf("wrong bucket size after bumpOrAdd: got %d, want %d", bucketSize, l) + } + if !contains(tab.buckets[200].entries, last.ID) { + t.Error("last entry was removed") + } + if contains(tab.buckets[200].entries, new.ID) { + t.Error("new entry was added") + } +} + +func TestTable_bumpOrAddPingTimeout(t *testing.T) { + tab := newTable(pingC(nil), NodeID{}, &net.UDPAddr{}) + last := fillBucket(tab, 200) + + // this bumpOrAdd should replace the last node + // because the node does not reply to ping. + new := tab.bumpOrAdd(randomID(tab.self.ID, 200), &net.UDPAddr{}) + + // wait for async bucket update. damn. this needs to go away. + time.Sleep(2 * time.Millisecond) + + tab.mutex.Lock() + defer tab.mutex.Unlock() + if l := len(tab.buckets[200].entries); l != bucketSize { + t.Errorf("wrong bucket size after bumpOrAdd: got %d, want %d", bucketSize, l) + } + if contains(tab.buckets[200].entries, last.ID) { + t.Error("last entry was not removed") + } + if !contains(tab.buckets[200].entries, new.ID) { + t.Error("new entry was not added") + } +} + +func fillBucket(tab *Table, ld int) (last *Node) { + b := tab.buckets[ld] + for len(b.entries) < bucketSize { + b.entries = append(b.entries, &Node{ID: randomID(tab.self.ID, ld)}) + } + return b.entries[bucketSize-1] +} + +type pingC chan NodeID + +func (t pingC) findnode(n *Node, target NodeID) ([]*Node, error) { + panic("findnode called on pingRecorder") +} +func (t pingC) close() { + panic("close called on pingRecorder") +} +func (t pingC) ping(n *Node) error { + if t == nil { + return errTimeout + } + t <- n.ID + return nil +} + +func TestTable_bump(t *testing.T) { + tab := newTable(nil, NodeID{}, &net.UDPAddr{}) + + // add an old entry and two recent ones + oldactive := time.Now().Add(-2 * time.Minute) + old := &Node{ID: randomID(tab.self.ID, 200), active: oldactive} + others := []*Node{ + &Node{ID: randomID(tab.self.ID, 200), active: time.Now()}, + &Node{ID: randomID(tab.self.ID, 200), active: time.Now()}, + } + tab.add(append(others, old)) + if tab.buckets[200].entries[0] == old { + t.Fatal("old entry is at front of bucket") + } + + // bumping the old entry should move it to the front + tab.bump(old.ID) + if old.active == oldactive { + t.Error("activity timestamp not updated") + } + if tab.buckets[200].entries[0] != old { + t.Errorf("bumped entry did not move to the front of bucket") + } +} + +func TestTable_closest(t *testing.T) { + t.Parallel() + + test := func(test *closeTest) bool { + // for any node table, Target and N + tab := newTable(nil, test.Self, &net.UDPAddr{}) + tab.add(test.All) + + // check that doClosest(Target, N) returns nodes + result := tab.closest(test.Target, test.N).entries + if hasDuplicates(result) { + t.Errorf("result contains duplicates") + return false + } + if !sortedByDistanceTo(test.Target, result) { + t.Errorf("result is not sorted by distance to target") + return false + } + + // check that the number of results is min(N, tablen) + wantN := test.N + if tlen := tab.len(); tlen < test.N { + wantN = tlen + } + if len(result) != wantN { + t.Errorf("wrong number of nodes: got %d, want %d", len(result), wantN) + return false + } else if len(result) == 0 { + return true // no need to check distance + } + + // check that the result nodes have minimum distance to target. + for _, b := range tab.buckets { + for _, n := range b.entries { + if contains(result, n.ID) { + continue // don't run the check below for nodes in result + } + farthestResult := result[len(result)-1].ID + if distcmp(test.Target, n.ID, farthestResult) < 0 { + t.Errorf("table contains node that is closer to target but it's not in result") + t.Logf(" Target: %v", test.Target) + t.Logf(" Farthest Result: %v", farthestResult) + t.Logf(" ID: %v", n.ID) + return false + } + } + } + return true + } + if err := quick.Check(test, quickcfg); err != nil { + t.Error(err) + } +} + +type closeTest struct { + Self NodeID + Target NodeID + All []*Node + N int +} + +func (*closeTest) Generate(rand *rand.Rand, size int) reflect.Value { + t := &closeTest{ + Self: gen(NodeID{}, rand).(NodeID), + Target: gen(NodeID{}, rand).(NodeID), + N: rand.Intn(bucketSize), + } + for _, id := range gen([]NodeID{}, rand).([]NodeID) { + t.All = append(t.All, &Node{ID: id}) + } + return reflect.ValueOf(t) +} + +func TestTable_Lookup(t *testing.T) { + self := gen(NodeID{}, quickrand).(NodeID) + target := randomID(self, 200) + transport := findnodeOracle{t, target} + tab := newTable(transport, self, &net.UDPAddr{}) + + // lookup on empty table returns no nodes + if results := tab.Lookup(target); len(results) > 0 { + t.Fatalf("lookup on empty table returned %d results: %#v", len(results), results) + } + // seed table with initial node (otherwise lookup will terminate immediately) + tab.bumpOrAdd(randomID(target, 200), &net.UDPAddr{Port: 200}) + + results := tab.Lookup(target) + t.Logf("results:") + for _, e := range results { + t.Logf(" ld=%d, %v", logdist(target, e.ID), e.ID) + } + if len(results) != bucketSize { + t.Errorf("wrong number of results: got %d, want %d", len(results), bucketSize) + } + if hasDuplicates(results) { + t.Errorf("result set contains duplicate entries") + } + if !sortedByDistanceTo(target, results) { + t.Errorf("result set not sorted by distance to target") + } + if !contains(results, target) { + t.Errorf("result set does not contain target") + } +} + +// findnode on this transport always returns at least one node +// that is one bucket closer to the target. +type findnodeOracle struct { + t *testing.T + target NodeID +} + +func (t findnodeOracle) findnode(n *Node, target NodeID) ([]*Node, error) { + t.t.Logf("findnode query at dist %d", n.DiscPort) + // current log distance is encoded in port number + var result []*Node + switch n.DiscPort { + case 0: + panic("query to node at distance 0") + default: + // TODO: add more randomness to distances + next := n.DiscPort - 1 + for i := 0; i < bucketSize; i++ { + result = append(result, &Node{ID: randomID(t.target, next), DiscPort: next}) + } + } + return result, nil +} + +func (t findnodeOracle) close() {} + +func (t findnodeOracle) ping(n *Node) error { + return errors.New("ping is not supported by this transport") +} + +func hasDuplicates(slice []*Node) bool { + seen := make(map[NodeID]bool) + for _, e := range slice { + if seen[e.ID] { + return true + } + seen[e.ID] = true + } + return false +} + +func sortedByDistanceTo(distbase NodeID, slice []*Node) bool { + var last NodeID + for i, e := range slice { + if i > 0 && distcmp(distbase, e.ID, last) < 0 { + return false + } + last = e.ID + } + return true +} + +func contains(ns []*Node, id NodeID) bool { + for _, n := range ns { + if n.ID == id { + return true + } + } + return false +} + +// gen wraps quick.Value so it's easier to use. +// it generates a random value of the given value's type. +func gen(typ interface{}, rand *rand.Rand) interface{} { + v, ok := quick.Value(reflect.TypeOf(typ), rand) + if !ok { + panic(fmt.Sprintf("couldn't generate random value of type %T", typ)) + } + return v.Interface() +} + +func newkey() *ecdsa.PrivateKey { + key, err := crypto.GenerateKey() + if err != nil { + panic("couldn't generate key: " + err.Error()) + } + return key +} diff --git a/p2p/discover/udp.go b/p2p/discover/udp.go new file mode 100644 index 000000000..b2a895442 --- /dev/null +++ b/p2p/discover/udp.go @@ -0,0 +1,431 @@ +package discover + +import ( + "bytes" + "crypto/ecdsa" + "errors" + "fmt" + "net" + "time" + + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p/nat" + "github.com/ethereum/go-ethereum/rlp" +) + +var log = logger.NewLogger("P2P Discovery") + +// Errors +var ( + errPacketTooSmall = errors.New("too small") + errBadHash = errors.New("bad hash") + errExpired = errors.New("expired") + errTimeout = errors.New("RPC timeout") + errClosed = errors.New("socket closed") +) + +// Timeouts +const ( + respTimeout = 300 * time.Millisecond + sendTimeout = 300 * time.Millisecond + expiration = 20 * time.Second + + refreshInterval = 1 * time.Hour +) + +// RPC packet types +const ( + pingPacket = iota + 1 // zero is 'reserved' + pongPacket + findnodePacket + neighborsPacket +) + +// RPC request structures +type ( + ping struct { + IP string // our IP + Port uint16 // our port + Expiration uint64 + } + + // reply to Ping + pong struct { + ReplyTok []byte + Expiration uint64 + } + + findnode struct { + // Id to look up. The responding node will send back nodes + // closest to the target. + Target NodeID + Expiration uint64 + } + + // reply to findnode + neighbors struct { + Nodes []*Node + Expiration uint64 + } +) + +type rpcNode struct { + IP string + Port uint16 + ID NodeID +} + +// udp implements the RPC protocol. +type udp struct { + conn *net.UDPConn + priv *ecdsa.PrivateKey + addpending chan *pending + replies chan reply + closing chan struct{} + nat nat.Interface + + *Table +} + +// pending represents a pending reply. +// +// some implementations of the protocol wish to send more than one +// reply packet to findnode. in general, any neighbors packet cannot +// be matched up with a specific findnode packet. +// +// our implementation handles this by storing a callback function for +// each pending reply. incoming packets from a node are dispatched +// to all the callback functions for that node. +type pending struct { + // these fields must match in the reply. + from NodeID + ptype byte + + // time when the request must complete + deadline time.Time + + // callback is called when a matching reply arrives. if it returns + // true, the callback is removed from the pending reply queue. + // if it returns false, the reply is considered incomplete and + // the callback will be invoked again for the next matching reply. + callback func(resp interface{}) (done bool) + + // errc receives nil when the callback indicates completion or an + // error if no further reply is received within the timeout. + errc chan<- error +} + +type reply struct { + from NodeID + ptype byte + data interface{} +} + +// ListenUDP returns a new table that listens for UDP packets on laddr. +func ListenUDP(priv *ecdsa.PrivateKey, laddr string, natm nat.Interface) (*Table, error) { + addr, err := net.ResolveUDPAddr("udp", laddr) + if err != nil { + return nil, err + } + conn, err := net.ListenUDP("udp", addr) + if err != nil { + return nil, err + } + udp := &udp{ + conn: conn, + priv: priv, + closing: make(chan struct{}), + addpending: make(chan *pending), + replies: make(chan reply), + } + + realaddr := conn.LocalAddr().(*net.UDPAddr) + if natm != nil { + if !realaddr.IP.IsLoopback() { + go nat.Map(natm, udp.closing, "udp", realaddr.Port, realaddr.Port, "ethereum discovery") + } + // TODO: react to external IP changes over time. + if ext, err := natm.ExternalIP(); err == nil { + realaddr = &net.UDPAddr{IP: ext, Port: realaddr.Port} + } + } + udp.Table = newTable(udp, PubkeyID(&priv.PublicKey), realaddr) + + go udp.loop() + go udp.readLoop() + log.Infoln("Listening, ", udp.self) + return udp.Table, nil +} + +func (t *udp) close() { + close(t.closing) + t.conn.Close() + // TODO: wait for the loops to end. +} + +// ping sends a ping message to the given node and waits for a reply. +func (t *udp) ping(e *Node) error { + // TODO: maybe check for ReplyTo field in callback to measure RTT + errc := t.pending(e.ID, pongPacket, func(interface{}) bool { return true }) + t.send(e, pingPacket, ping{ + IP: t.self.IP.String(), + Port: uint16(t.self.TCPPort), + Expiration: uint64(time.Now().Add(expiration).Unix()), + }) + return <-errc +} + +// findnode sends a findnode request to the given node and waits until +// the node has sent up to k neighbors. +func (t *udp) findnode(to *Node, target NodeID) ([]*Node, error) { + nodes := make([]*Node, 0, bucketSize) + nreceived := 0 + errc := t.pending(to.ID, neighborsPacket, func(r interface{}) bool { + reply := r.(*neighbors) + for _, n := range reply.Nodes { + nreceived++ + if n.isValid() { + nodes = append(nodes, n) + } + } + return nreceived >= bucketSize + }) + + t.send(to, findnodePacket, findnode{ + Target: target, + Expiration: uint64(time.Now().Add(expiration).Unix()), + }) + err := <-errc + return nodes, err +} + +// pending adds a reply callback to the pending reply queue. +// see the documentation of type pending for a detailed explanation. +func (t *udp) pending(id NodeID, ptype byte, callback func(interface{}) bool) <-chan error { + ch := make(chan error, 1) + p := &pending{from: id, ptype: ptype, callback: callback, errc: ch} + select { + case t.addpending <- p: + // loop will handle it + case <-t.closing: + ch <- errClosed + } + return ch +} + +// loop runs in its own goroutin. it keeps track of +// the refresh timer and the pending reply queue. +func (t *udp) loop() { + var ( + pending []*pending + nextDeadline time.Time + timeout = time.NewTimer(0) + refresh = time.NewTicker(refreshInterval) + ) + <-timeout.C // ignore first timeout + defer refresh.Stop() + defer timeout.Stop() + + rearmTimeout := func() { + if len(pending) == 0 || nextDeadline == pending[0].deadline { + return + } + nextDeadline = pending[0].deadline + timeout.Reset(nextDeadline.Sub(time.Now())) + } + + for { + select { + case <-refresh.C: + go t.refresh() + + case <-t.closing: + for _, p := range pending { + p.errc <- errClosed + } + return + + case p := <-t.addpending: + p.deadline = time.Now().Add(respTimeout) + pending = append(pending, p) + rearmTimeout() + + case reply := <-t.replies: + // run matching callbacks, remove if they return false. + for i, p := range pending { + if reply.from == p.from && reply.ptype == p.ptype && p.callback(reply.data) { + p.errc <- nil + copy(pending[i:], pending[i+1:]) + pending = pending[:len(pending)-1] + i-- + } + } + rearmTimeout() + + case now := <-timeout.C: + // notify and remove callbacks whose deadline is in the past. + i := 0 + for ; i < len(pending) && now.After(pending[i].deadline); i++ { + pending[i].errc <- errTimeout + } + if i > 0 { + copy(pending, pending[i:]) + pending = pending[:len(pending)-i] + } + rearmTimeout() + } + } +} + +const ( + macSize = 256 / 8 + sigSize = 520 / 8 + headSize = macSize + sigSize // space of packet frame data +) + +var headSpace = make([]byte, headSize) + +func (t *udp) send(to *Node, ptype byte, req interface{}) error { + b := new(bytes.Buffer) + b.Write(headSpace) + b.WriteByte(ptype) + if err := rlp.Encode(b, req); err != nil { + log.Errorln("error encoding packet:", err) + return err + } + + packet := b.Bytes() + sig, err := crypto.Sign(crypto.Sha3(packet[headSize:]), t.priv) + if err != nil { + log.Errorln("could not sign packet:", err) + return err + } + copy(packet[macSize:], sig) + // add the hash to the front. Note: this doesn't protect the + // packet in any way. Our public key will be part of this hash in + // the future. + copy(packet, crypto.Sha3(packet[macSize:])) + + toaddr := &net.UDPAddr{IP: to.IP, Port: to.DiscPort} + log.DebugDetailf(">>> %v %T %v\n", toaddr, req, req) + if _, err = t.conn.WriteToUDP(packet, toaddr); err != nil { + log.DebugDetailln("UDP send failed:", err) + } + return err +} + +// readLoop runs in its own goroutine. it handles incoming UDP packets. +func (t *udp) readLoop() { + defer t.conn.Close() + buf := make([]byte, 4096) // TODO: good buffer size + for { + nbytes, from, err := t.conn.ReadFromUDP(buf) + if err != nil { + return + } + if err := t.packetIn(from, buf[:nbytes]); err != nil { + log.Debugf("Bad packet from %v: %v\n", from, err) + } + } +} + +func (t *udp) packetIn(from *net.UDPAddr, buf []byte) error { + if len(buf) < headSize+1 { + return errPacketTooSmall + } + hash, sig, sigdata := buf[:macSize], buf[macSize:headSize], buf[headSize:] + shouldhash := crypto.Sha3(buf[macSize:]) + if !bytes.Equal(hash, shouldhash) { + return errBadHash + } + fromID, err := recoverNodeID(crypto.Sha3(buf[headSize:]), sig) + if err != nil { + return err + } + + var req interface { + handle(t *udp, from *net.UDPAddr, fromID NodeID, mac []byte) error + } + switch ptype := sigdata[0]; ptype { + case pingPacket: + req = new(ping) + case pongPacket: + req = new(pong) + case findnodePacket: + req = new(findnode) + case neighborsPacket: + req = new(neighbors) + default: + return fmt.Errorf("unknown type: %d", ptype) + } + if err := rlp.Decode(bytes.NewReader(sigdata[1:]), req); err != nil { + return err + } + log.DebugDetailf("<<< %v %T %v\n", from, req, req) + return req.handle(t, from, fromID, hash) +} + +func (req *ping) handle(t *udp, from *net.UDPAddr, fromID NodeID, mac []byte) error { + if expired(req.Expiration) { + return errExpired + } + t.mutex.Lock() + // Note: we're ignoring the provided IP address right now + n := t.bumpOrAdd(fromID, from) + if req.Port != 0 { + n.TCPPort = int(req.Port) + } + t.mutex.Unlock() + + t.send(n, pongPacket, pong{ + ReplyTok: mac, + Expiration: uint64(time.Now().Add(expiration).Unix()), + }) + return nil +} + +func (req *pong) handle(t *udp, from *net.UDPAddr, fromID NodeID, mac []byte) error { + if expired(req.Expiration) { + return errExpired + } + t.mutex.Lock() + t.bump(fromID) + t.mutex.Unlock() + + t.replies <- reply{fromID, pongPacket, req} + return nil +} + +func (req *findnode) handle(t *udp, from *net.UDPAddr, fromID NodeID, mac []byte) error { + if expired(req.Expiration) { + return errExpired + } + t.mutex.Lock() + e := t.bumpOrAdd(fromID, from) + closest := t.closest(req.Target, bucketSize).entries + t.mutex.Unlock() + + t.send(e, neighborsPacket, neighbors{ + Nodes: closest, + Expiration: uint64(time.Now().Add(expiration).Unix()), + }) + return nil +} + +func (req *neighbors) handle(t *udp, from *net.UDPAddr, fromID NodeID, mac []byte) error { + if expired(req.Expiration) { + return errExpired + } + t.mutex.Lock() + t.bump(fromID) + t.add(req.Nodes) + t.mutex.Unlock() + + t.replies <- reply{fromID, neighborsPacket, req} + return nil +} + +func expired(ts uint64) bool { + return time.Unix(int64(ts), 0).Before(time.Now()) +} diff --git a/p2p/discover/udp_test.go b/p2p/discover/udp_test.go new file mode 100644 index 000000000..0a8ff6358 --- /dev/null +++ b/p2p/discover/udp_test.go @@ -0,0 +1,211 @@ +package discover + +import ( + "fmt" + logpkg "log" + "net" + "os" + "testing" + "time" + + "github.com/ethereum/go-ethereum/logger" +) + +func init() { + logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, logpkg.LstdFlags, logger.ErrorLevel)) +} + +func TestUDP_ping(t *testing.T) { + t.Parallel() + + n1, _ := ListenUDP(newkey(), "127.0.0.1:0", nil) + n2, _ := ListenUDP(newkey(), "127.0.0.1:0", nil) + defer n1.Close() + defer n2.Close() + + if err := n1.net.ping(n2.self); err != nil { + t.Fatalf("ping error: %v", err) + } + if find(n2, n1.self.ID) == nil { + t.Errorf("node 2 does not contain id of node 1") + } + if e := find(n1, n2.self.ID); e != nil { + t.Errorf("node 1 does contains id of node 2: %v", e) + } +} + +func find(tab *Table, id NodeID) *Node { + for _, b := range tab.buckets { + for _, e := range b.entries { + if e.ID == id { + return e + } + } + } + return nil +} + +func TestUDP_findnode(t *testing.T) { + t.Parallel() + + n1, _ := ListenUDP(newkey(), "127.0.0.1:0", nil) + n2, _ := ListenUDP(newkey(), "127.0.0.1:0", nil) + defer n1.Close() + defer n2.Close() + + // put a few nodes into n2. the exact distribution shouldn't + // matter much, altough we need to take care not to overflow + // any bucket. + target := randomID(n1.self.ID, 100) + nodes := &nodesByDistance{target: target} + for i := 0; i < bucketSize; i++ { + n2.add([]*Node{&Node{ + IP: net.IP{1, 2, 3, byte(i)}, + DiscPort: i + 2, + TCPPort: i + 2, + ID: randomID(n2.self.ID, i+2), + }}) + } + n2.add(nodes.entries) + n2.bumpOrAdd(n1.self.ID, &net.UDPAddr{IP: n1.self.IP, Port: n1.self.DiscPort}) + expected := n2.closest(target, bucketSize) + + err := runUDP(10, func() error { + result, _ := n1.net.findnode(n2.self, target) + if len(result) != bucketSize { + return fmt.Errorf("wrong number of results: got %d, want %d", len(result), bucketSize) + } + for i := range result { + if result[i].ID != expected.entries[i].ID { + return fmt.Errorf("result mismatch at %d:\n got: %v\n want: %v", i, result[i], expected.entries[i]) + } + } + return nil + }) + if err != nil { + t.Error(err) + } +} + +func TestUDP_replytimeout(t *testing.T) { + t.Parallel() + + // reserve a port so we don't talk to an existing service by accident + addr, _ := net.ResolveUDPAddr("udp", "127.0.0.1:0") + fd, err := net.ListenUDP("udp", addr) + if err != nil { + t.Fatal(err) + } + defer fd.Close() + + n1, _ := ListenUDP(newkey(), "127.0.0.1:0", nil) + defer n1.Close() + n2 := n1.bumpOrAdd(randomID(n1.self.ID, 10), fd.LocalAddr().(*net.UDPAddr)) + + if err := n1.net.ping(n2); err != errTimeout { + t.Error("expected timeout error, got", err) + } + + if result, err := n1.net.findnode(n2, n1.self.ID); err != errTimeout { + t.Error("expected timeout error, got", err) + } else if len(result) > 0 { + t.Error("expected empty result, got", result) + } +} + +func TestUDP_findnodeMultiReply(t *testing.T) { + t.Parallel() + + n1, _ := ListenUDP(newkey(), "127.0.0.1:0", nil) + n2, _ := ListenUDP(newkey(), "127.0.0.1:0", nil) + udp2 := n2.net.(*udp) + defer n1.Close() + defer n2.Close() + + err := runUDP(10, func() error { + nodes := make([]*Node, bucketSize) + for i := range nodes { + nodes[i] = &Node{ + IP: net.IP{1, 2, 3, 4}, + DiscPort: i + 1, + TCPPort: i + 1, + ID: randomID(n2.self.ID, i+1), + } + } + + // ask N2 for neighbors. it will send an empty reply back. + // the request will wait for up to bucketSize replies. + resultc := make(chan []*Node) + errc := make(chan error) + go func() { + ns, err := n1.net.findnode(n2.self, n1.self.ID) + if err != nil { + errc <- err + } else { + resultc <- ns + } + }() + + // send a few more neighbors packets to N1. + // it should collect those. + for end := 0; end < len(nodes); { + off := end + if end = end + 5; end > len(nodes) { + end = len(nodes) + } + udp2.send(n1.self, neighborsPacket, neighbors{ + Nodes: nodes[off:end], + Expiration: uint64(time.Now().Add(10 * time.Second).Unix()), + }) + } + + // check that they are all returned. we cannot just check for + // equality because they might not be returned in the order they + // were sent. + var result []*Node + select { + case result = <-resultc: + case err := <-errc: + return err + } + if hasDuplicates(result) { + return fmt.Errorf("result slice contains duplicates") + } + if len(result) != len(nodes) { + return fmt.Errorf("wrong number of nodes returned: got %d, want %d", len(result), len(nodes)) + } + matched := make(map[NodeID]bool) + for _, n := range result { + for _, expn := range nodes { + if n.ID == expn.ID { // && bytes.Equal(n.Addr.IP, expn.Addr.IP) && n.Addr.Port == expn.Addr.Port { + matched[n.ID] = true + } + } + } + if len(matched) != len(nodes) { + return fmt.Errorf("wrong number of matching nodes: got %d, want %d", len(matched), len(nodes)) + } + return nil + }) + if err != nil { + t.Error(err) + } +} + +// runUDP runs a test n times and returns an error if the test failed +// in all n runs. This is necessary because UDP is unreliable even for +// connections on the local machine, causing test failures. +func runUDP(n int, test func() error) error { + errcount := 0 + errors := "" + for i := 0; i < n; i++ { + if err := test(); err != nil { + errors += fmt.Sprintf("\n#%d: %v", i, err) + errcount++ + } + } + if errcount == n { + return fmt.Errorf("failed on all %d iterations:%s", n, errors) + } + return nil +} diff --git a/p2p/message.go b/p2p/message.go index daf2bf05c..07916f7b3 100644 --- a/p2p/message.go +++ b/p2p/message.go @@ -1,6 +1,7 @@ package p2p import ( + "bufio" "bytes" "encoding/binary" "errors" @@ -8,12 +9,37 @@ import ( "io" "io/ioutil" "math/big" + "net" + "sync" "sync/atomic" + "time" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/rlp" ) +// parameters for frameRW +const ( + // maximum time allowed for reading a message header. + // this is effectively the amount of time a connection can be idle. + frameReadTimeout = 1 * time.Minute + + // maximum time allowed for reading the payload data of a message. + // this is shorter than (and distinct from) frameReadTimeout because + // the connection is not considered idle while a message is transferred. + // this also limits the payload size of messages to how much the connection + // can transfer within the timeout. + payloadReadTimeout = 5 * time.Second + + // maximum amount of time allowed for writing a complete message. + msgWriteTimeout = 5 * time.Second + + // messages smaller than this many bytes will be read at + // once before passing them to a protocol. this increases + // concurrency in the processing. + wholePayloadSize = 64 * 1024 +) + // Msg defines the structure of a p2p message. // // Note that a Msg can only be sent once since the Payload reader is @@ -74,11 +100,14 @@ type MsgWriter interface { // WriteMsg sends a message. It will block until the message's // Payload has been consumed by the other end. // - // Note that messages can be sent only once. + // Note that messages can be sent only once because their + // payload reader is drained. WriteMsg(Msg) error } // MsgReadWriter provides reading and writing of encoded messages. +// Implementations should ensure that ReadMsg and WriteMsg can be +// called simultaneously from multiple goroutines. type MsgReadWriter interface { MsgReader MsgWriter @@ -90,8 +119,45 @@ func EncodeMsg(w MsgWriter, code uint64, data ...interface{}) error { return w.WriteMsg(NewMsg(code, data...)) } +// frameRW is a MsgReadWriter that reads and writes devp2p message frames. +// As required by the interface, ReadMsg and WriteMsg can be called from +// multiple goroutines. +type frameRW struct { + net.Conn // make Conn methods available. be careful. + bufconn *bufio.ReadWriter + + // this channel is used to 'lend' bufconn to a caller of ReadMsg + // until the message payload has been consumed. the channel + // receives a value when EOF is reached on the payload, unblocking + // a pending call to ReadMsg. + rsync chan struct{} + + // this mutex guards writes to bufconn. + writeMu sync.Mutex +} + +func newFrameRW(conn net.Conn, timeout time.Duration) *frameRW { + rsync := make(chan struct{}, 1) + rsync <- struct{}{} + return &frameRW{ + Conn: conn, + bufconn: bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn)), + rsync: rsync, + } +} + var magicToken = []byte{34, 64, 8, 145} +func (rw *frameRW) WriteMsg(msg Msg) error { + rw.writeMu.Lock() + defer rw.writeMu.Unlock() + rw.SetWriteDeadline(time.Now().Add(msgWriteTimeout)) + if err := writeMsg(rw.bufconn, msg); err != nil { + return err + } + return rw.bufconn.Flush() +} + func writeMsg(w io.Writer, msg Msg) error { // TODO: handle case when Size + len(code) + len(listhdr) overflows uint32 code := ethutil.Encode(uint32(msg.Code)) @@ -120,31 +186,51 @@ func makeListHeader(length uint32) []byte { return append([]byte{lenb}, enc...) } -// readMsg reads a message header from r. -// It takes an rlp.ByteReader to ensure that the decoding doesn't buffer. -func readMsg(r rlp.ByteReader) (msg Msg, err error) { +func (rw *frameRW) ReadMsg() (msg Msg, err error) { + <-rw.rsync // wait until bufconn is ours + + rw.SetReadDeadline(time.Now().Add(frameReadTimeout)) + // read magic and payload size start := make([]byte, 8) - if _, err = io.ReadFull(r, start); err != nil { - return msg, newPeerError(errRead, "%v", err) + if _, err = io.ReadFull(rw.bufconn, start); err != nil { + return msg, err } if !bytes.HasPrefix(start, magicToken) { - return msg, newPeerError(errMagicTokenMismatch, "got %x, want %x", start[:4], magicToken) + return msg, fmt.Errorf("bad magic token %x", start[:4], magicToken) } size := binary.BigEndian.Uint32(start[4:]) // decode start of RLP message to get the message code - posr := &postrack{r, 0} + posr := &postrack{rw.bufconn, 0} s := rlp.NewStream(posr) if _, err := s.List(); err != nil { return msg, err } - code, err := s.Uint() + msg.Code, err = s.Uint() if err != nil { return msg, err } - payloadsize := size - posr.p - return Msg{code, payloadsize, io.LimitReader(r, int64(payloadsize))}, nil + msg.Size = size - posr.p + + rw.SetReadDeadline(time.Now().Add(payloadReadTimeout)) + + if msg.Size <= wholePayloadSize { + // msg is small, read all of it and move on to the next message. + pbuf := make([]byte, msg.Size) + if _, err := io.ReadFull(rw.bufconn, pbuf); err != nil { + return msg, err + } + rw.rsync <- struct{}{} // bufconn is available again + msg.Payload = bytes.NewReader(pbuf) + } else { + // lend bufconn to the caller until it has + // consumed the payload. eofSignal will send a value + // on rw.rsync when EOF is reached. + pr := &eofSignal{rw.bufconn, msg.Size, rw.rsync} + msg.Payload = pr + } + return msg, nil } // postrack wraps an rlp.ByteReader with a position counter. @@ -167,6 +253,39 @@ func (r *postrack) ReadByte() (byte, error) { return b, err } +// eofSignal wraps a reader with eof signaling. the eof channel is +// closed when the wrapped reader returns an error or when count bytes +// have been read. +type eofSignal struct { + wrapped io.Reader + count uint32 // number of bytes left + eof chan<- struct{} +} + +// note: when using eofSignal to detect whether a message payload +// has been read, Read might not be called for zero sized messages. +func (r *eofSignal) Read(buf []byte) (int, error) { + if r.count == 0 { + if r.eof != nil { + r.eof <- struct{}{} + r.eof = nil + } + return 0, io.EOF + } + + max := len(buf) + if int(r.count) < len(buf) { + max = int(r.count) + } + n, err := r.wrapped.Read(buf[:max]) + r.count -= uint32(n) + if (err != nil || r.count == 0) && r.eof != nil { + r.eof <- struct{}{} // tell Peer that msg has been consumed + r.eof = nil + } + return n, err +} + // MsgPipe creates a message pipe. Reads on one end are matched // with writes on the other. The pipe is full-duplex, both ends // implement MsgReadWriter. @@ -198,7 +317,7 @@ type MsgPipeRW struct { func (p *MsgPipeRW) WriteMsg(msg Msg) error { if atomic.LoadInt32(p.closed) == 0 { consumed := make(chan struct{}, 1) - msg.Payload = &eofSignal{msg.Payload, int64(msg.Size), consumed} + msg.Payload = &eofSignal{msg.Payload, msg.Size, consumed} select { case p.w <- msg: if msg.Size > 0 { diff --git a/p2p/message_test.go b/p2p/message_test.go index 5cde9abf5..4b94ebb5f 100644 --- a/p2p/message_test.go +++ b/p2p/message_test.go @@ -3,12 +3,11 @@ package p2p import ( "bytes" "fmt" + "io" "io/ioutil" "runtime" "testing" "time" - - "github.com/ethereum/go-ethereum/ethutil" ) func TestNewMsg(t *testing.T) { @@ -26,51 +25,51 @@ func TestNewMsg(t *testing.T) { } } -func TestEncodeDecodeMsg(t *testing.T) { - msg := NewMsg(3, 1, "000") - buf := new(bytes.Buffer) - if err := writeMsg(buf, msg); err != nil { - t.Fatalf("encodeMsg error: %v", err) - } - // t.Logf("encoded: %x", buf.Bytes()) +// func TestEncodeDecodeMsg(t *testing.T) { +// msg := NewMsg(3, 1, "000") +// buf := new(bytes.Buffer) +// if err := writeMsg(buf, msg); err != nil { +// t.Fatalf("encodeMsg error: %v", err) +// } +// // t.Logf("encoded: %x", buf.Bytes()) - decmsg, err := readMsg(buf) - if err != nil { - t.Fatalf("readMsg error: %v", err) - } - if decmsg.Code != 3 { - t.Errorf("incorrect code %d, want %d", decmsg.Code, 3) - } - if decmsg.Size != 5 { - t.Errorf("incorrect size %d, want %d", decmsg.Size, 5) - } +// decmsg, err := readMsg(buf) +// if err != nil { +// t.Fatalf("readMsg error: %v", err) +// } +// if decmsg.Code != 3 { +// t.Errorf("incorrect code %d, want %d", decmsg.Code, 3) +// } +// if decmsg.Size != 5 { +// t.Errorf("incorrect size %d, want %d", decmsg.Size, 5) +// } - var data struct { - I uint - S string - } - if err := decmsg.Decode(&data); err != nil { - t.Fatalf("Decode error: %v", err) - } - if data.I != 1 { - t.Errorf("incorrect data.I: got %v, expected %d", data.I, 1) - } - if data.S != "000" { - t.Errorf("incorrect data.S: got %q, expected %q", data.S, "000") - } -} +// var data struct { +// I uint +// S string +// } +// if err := decmsg.Decode(&data); err != nil { +// t.Fatalf("Decode error: %v", err) +// } +// if data.I != 1 { +// t.Errorf("incorrect data.I: got %v, expected %d", data.I, 1) +// } +// if data.S != "000" { +// t.Errorf("incorrect data.S: got %q, expected %q", data.S, "000") +// } +// } -func TestDecodeRealMsg(t *testing.T) { - data := ethutil.Hex2Bytes("2240089100000080f87e8002b5457468657265756d282b2b292f5065657220536572766572204f6e652f76302e372e382f52656c656173652f4c696e75782f672b2bc082765fb84086dd80b7aefd6a6d2e3b93f4f300a86bfb6ef7bdc97cb03f793db6bb") - msg, err := readMsg(bytes.NewReader(data)) - if err != nil { - t.Fatalf("unexpected error: %v", err) - } +// func TestDecodeRealMsg(t *testing.T) { +// data := ethutil.Hex2Bytes("2240089100000080f87e8002b5457468657265756d282b2b292f5065657220536572766572204f6e652f76302e372e382f52656c656173652f4c696e75782f672b2bc082765fb84086dd80b7aefd6a6d2e3b93f4f300a86bfb6ef7bdc97cb03f793db6bb") +// msg, err := readMsg(bytes.NewReader(data)) +// if err != nil { +// t.Fatalf("unexpected error: %v", err) +// } - if msg.Code != 0 { - t.Errorf("incorrect code %d, want %d", msg.Code, 0) - } -} +// if msg.Code != 0 { +// t.Errorf("incorrect code %d, want %d", msg.Code, 0) +// } +// } func ExampleMsgPipe() { rw1, rw2 := MsgPipe() @@ -131,3 +130,58 @@ func TestMsgPipeConcurrentClose(t *testing.T) { go rw1.Close() } } + +func TestEOFSignal(t *testing.T) { + rb := make([]byte, 10) + + // empty reader + eof := make(chan struct{}, 1) + sig := &eofSignal{new(bytes.Buffer), 0, eof} + if n, err := sig.Read(rb); n != 0 || err != io.EOF { + t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + } + select { + case <-eof: + default: + t.Error("EOF chan not signaled") + } + + // count before error + eof = make(chan struct{}, 1) + sig = &eofSignal{bytes.NewBufferString("aaaaaaaa"), 4, eof} + if n, err := sig.Read(rb); n != 4 || err != nil { + t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + } + select { + case <-eof: + default: + t.Error("EOF chan not signaled") + } + + // error before count + eof = make(chan struct{}, 1) + sig = &eofSignal{bytes.NewBufferString("aaaa"), 999, eof} + if n, err := sig.Read(rb); n != 4 || err != nil { + t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + } + if n, err := sig.Read(rb); n != 0 || err != io.EOF { + t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + } + select { + case <-eof: + default: + t.Error("EOF chan not signaled") + } + + // no signal if neither occurs + eof = make(chan struct{}, 1) + sig = &eofSignal{bytes.NewBufferString("aaaaaaaaaaaaaaaaaaaaa"), 999, eof} + if n, err := sig.Read(rb); n != 10 || err != nil { + t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + } + select { + case <-eof: + t.Error("unexpected EOF signal") + default: + } +} diff --git a/p2p/nat.go b/p2p/nat.go deleted file mode 100644 index 9b771c3e8..000000000 --- a/p2p/nat.go +++ /dev/null @@ -1,23 +0,0 @@ -package p2p - -import ( - "fmt" - "net" -) - -func ParseNAT(natType string, gateway string) (nat NAT, err error) { - switch natType { - case "UPNP": - nat = UPNP() - case "PMP": - ip := net.ParseIP(gateway) - if ip == nil { - return nil, fmt.Errorf("cannot resolve PMP gateway IP %s", gateway) - } - nat = PMP(ip) - case "": - default: - return nil, fmt.Errorf("unrecognised NAT type '%s'", natType) - } - return -} diff --git a/p2p/nat/nat.go b/p2p/nat/nat.go new file mode 100644 index 000000000..12d355ba1 --- /dev/null +++ b/p2p/nat/nat.go @@ -0,0 +1,235 @@ +// Package nat provides access to common port mapping protocols. +package nat + +import ( + "errors" + "fmt" + "net" + "strings" + "sync" + "time" + + "github.com/ethereum/go-ethereum/logger" + "github.com/jackpal/go-nat-pmp" +) + +var log = logger.NewLogger("P2P NAT") + +// An implementation of nat.Interface can map local ports to ports +// accessible from the Internet. +type Interface interface { + // These methods manage a mapping between a port on the local + // machine to a port that can be connected to from the internet. + // + // protocol is "UDP" or "TCP". Some implementations allow setting + // a display name for the mapping. The mapping may be removed by + // the gateway when its lifetime ends. + AddMapping(protocol string, extport, intport int, name string, lifetime time.Duration) error + DeleteMapping(protocol string, extport, intport int) error + + // This method should return the external (Internet-facing) + // address of the gateway device. + ExternalIP() (net.IP, error) + + // Should return name of the method. This is used for logging. + String() string +} + +// Parse parses a NAT interface description. +// The following formats are currently accepted. +// Note that mechanism names are not case-sensitive. +// +// "" or "none" return nil +// "extip:77.12.33.4" will assume the local machine is reachable on the given IP +// "any" uses the first auto-detected mechanism +// "upnp" uses the Universal Plug and Play protocol +// "pmp" uses NAT-PMP with an auto-detected gateway address +// "pmp:192.168.0.1" uses NAT-PMP with the given gateway address +func Parse(spec string) (Interface, error) { + var ( + parts = strings.SplitN(spec, ":", 2) + mech = strings.ToLower(parts[0]) + ip net.IP + ) + if len(parts) > 1 { + ip = net.ParseIP(parts[1]) + if ip == nil { + return nil, errors.New("invalid IP address") + } + } + switch mech { + case "", "none", "off": + return nil, nil + case "any", "auto", "on": + return Any(), nil + case "extip", "ip": + if ip == nil { + return nil, errors.New("missing IP address") + } + return ExtIP(ip), nil + case "upnp": + return UPnP(), nil + case "pmp", "natpmp", "nat-pmp": + return PMP(ip), nil + default: + return nil, fmt.Errorf("unknown mechanism %q", parts[0]) + } +} + +const ( + mapTimeout = 20 * time.Minute + mapUpdateInterval = 15 * time.Minute +) + +// Map adds a port mapping on m and keeps it alive until c is closed. +// This function is typically invoked in its own goroutine. +func Map(m Interface, c chan struct{}, protocol string, extport, intport int, name string) { + refresh := time.NewTimer(mapUpdateInterval) + defer func() { + refresh.Stop() + log.Debugf("Deleting port mapping: %s %d -> %d (%s) using %s\n", protocol, extport, intport, name, m) + m.DeleteMapping(protocol, extport, intport) + }() + log.Debugf("add mapping: %s %d -> %d (%s) using %s\n", protocol, extport, intport, name, m) + if err := m.AddMapping(protocol, intport, extport, name, mapTimeout); err != nil { + log.Errorf("mapping error: %v\n", err) + } + for { + select { + case _, ok := <-c: + if !ok { + return + } + case <-refresh.C: + log.DebugDetailf("refresh mapping: %s %d -> %d (%s) using %s\n", protocol, extport, intport, name, m) + if err := m.AddMapping(protocol, intport, extport, name, mapTimeout); err != nil { + log.Errorf("mapping error: %v\n", err) + } + refresh.Reset(mapUpdateInterval) + } + } +} + +// ExtIP assumes that the local machine is reachable on the given +// external IP address, and that any required ports were mapped manually. +// Mapping operations will not return an error but won't actually do anything. +func ExtIP(ip net.IP) Interface { + if ip == nil { + panic("IP must not be nil") + } + return extIP(ip) +} + +type extIP net.IP + +func (n extIP) ExternalIP() (net.IP, error) { return net.IP(n), nil } +func (n extIP) String() string { return fmt.Sprintf("ExtIP(%v)", net.IP(n)) } + +// These do nothing. +func (extIP) AddMapping(string, int, int, string, time.Duration) error { return nil } +func (extIP) DeleteMapping(string, int, int) error { return nil } + +// Any returns a port mapper that tries to discover any supported +// mechanism on the local network. +func Any() Interface { + // TODO: attempt to discover whether the local machine has an + // Internet-class address. Return ExtIP in this case. + return startautodisc("UPnP or NAT-PMP", func() Interface { + found := make(chan Interface, 2) + go func() { found <- discoverUPnP() }() + go func() { found <- discoverPMP() }() + for i := 0; i < cap(found); i++ { + if c := <-found; c != nil { + return c + } + } + return nil + }) +} + +// UPnP returns a port mapper that uses UPnP. It will attempt to +// discover the address of your router using UDP broadcasts. +func UPnP() Interface { + return startautodisc("UPnP", discoverUPnP) +} + +// PMP returns a port mapper that uses NAT-PMP. The provided gateway +// address should be the IP of your router. If the given gateway +// address is nil, PMP will attempt to auto-discover the router. +func PMP(gateway net.IP) Interface { + if gateway != nil { + return &pmp{gw: gateway, c: natpmp.NewClient(gateway)} + } + return startautodisc("NAT-PMP", discoverPMP) +} + +// autodisc represents a port mapping mechanism that is still being +// auto-discovered. Calls to the Interface methods on this type will +// wait until the discovery is done and then call the method on the +// discovered mechanism. +// +// This type is useful because discovery can take a while but we +// want return an Interface value from UPnP, PMP and Auto immediately. +type autodisc struct { + what string + done <-chan Interface + + mu sync.Mutex + found Interface +} + +func startautodisc(what string, doit func() Interface) Interface { + // TODO: monitor network configuration and rerun doit when it changes. + done := make(chan Interface) + ad := &autodisc{what: what, done: done} + go func() { done <- doit(); close(done) }() + return ad +} + +func (n *autodisc) AddMapping(protocol string, extport, intport int, name string, lifetime time.Duration) error { + if err := n.wait(); err != nil { + return err + } + return n.found.AddMapping(protocol, extport, intport, name, lifetime) +} + +func (n *autodisc) DeleteMapping(protocol string, extport, intport int) error { + if err := n.wait(); err != nil { + return err + } + return n.found.DeleteMapping(protocol, extport, intport) +} + +func (n *autodisc) ExternalIP() (net.IP, error) { + if err := n.wait(); err != nil { + return nil, err + } + return n.found.ExternalIP() +} + +func (n *autodisc) String() string { + n.mu.Lock() + defer n.mu.Unlock() + if n.found == nil { + return n.what + } else { + return n.found.String() + } +} + +func (n *autodisc) wait() error { + n.mu.Lock() + found := n.found + n.mu.Unlock() + if found != nil { + // already discovered + return nil + } + if found = <-n.done; found == nil { + return errors.New("no devices discovered") + } + n.mu.Lock() + n.found = found + n.mu.Unlock() + return nil +} diff --git a/p2p/nat/natpmp.go b/p2p/nat/natpmp.go new file mode 100644 index 000000000..f249c6073 --- /dev/null +++ b/p2p/nat/natpmp.go @@ -0,0 +1,115 @@ +package nat + +import ( + "fmt" + "net" + "strings" + "time" + + "github.com/jackpal/go-nat-pmp" +) + +// natPMPClient adapts the NAT-PMP protocol implementation so it conforms to +// the common interface. +type pmp struct { + gw net.IP + c *natpmp.Client +} + +func (n *pmp) String() string { + return fmt.Sprintf("NAT-PMP(%v)", n.gw) +} + +func (n *pmp) ExternalIP() (net.IP, error) { + response, err := n.c.GetExternalAddress() + if err != nil { + return nil, err + } + return response.ExternalIPAddress[:], nil +} + +func (n *pmp) AddMapping(protocol string, extport, intport int, name string, lifetime time.Duration) error { + if lifetime <= 0 { + return fmt.Errorf("lifetime must not be <= 0") + } + // Note order of port arguments is switched between our + // AddMapping and the client's AddPortMapping. + _, err := n.c.AddPortMapping(strings.ToLower(protocol), intport, extport, int(lifetime/time.Second)) + return err +} + +func (n *pmp) DeleteMapping(protocol string, extport, intport int) (err error) { + // To destroy a mapping, send an add-port with an internalPort of + // the internal port to destroy, an external port of zero and a + // time of zero. + _, err = n.c.AddPortMapping(strings.ToLower(protocol), intport, 0, 0) + return err +} + +func discoverPMP() Interface { + // run external address lookups on all potential gateways + gws := potentialGateways() + found := make(chan *pmp, len(gws)) + for i := range gws { + gw := gws[i] + go func() { + c := natpmp.NewClient(gw) + if _, err := c.GetExternalAddress(); err != nil { + found <- nil + } else { + found <- &pmp{gw, c} + } + }() + } + // return the one that responds first. + // discovery needs to be quick, so we stop caring about + // any responses after a very short timeout. + timeout := time.NewTimer(1 * time.Second) + defer timeout.Stop() + for _ = range gws { + select { + case c := <-found: + if c != nil { + return c + } + case <-timeout.C: + return nil + } + } + return nil +} + +var ( + // LAN IP ranges + _, lan10, _ = net.ParseCIDR("10.0.0.0/8") + _, lan176, _ = net.ParseCIDR("172.16.0.0/12") + _, lan192, _ = net.ParseCIDR("192.168.0.0/16") +) + +// TODO: improve this. We currently assume that (on most networks) +// the router is X.X.X.1 in a local LAN range. +func potentialGateways() (gws []net.IP) { + ifaces, err := net.Interfaces() + if err != nil { + return nil + } + for _, iface := range ifaces { + ifaddrs, err := iface.Addrs() + if err != nil { + return gws + } + for _, addr := range ifaddrs { + switch x := addr.(type) { + case *net.IPNet: + if lan10.Contains(x.IP) || lan176.Contains(x.IP) || lan192.Contains(x.IP) { + ip := x.IP.Mask(x.Mask).To4() + if ip != nil { + ip[3] = ip[3] | 0x01 + gws = append(gws, ip) + } + } + } + } + } + return gws +} diff --git a/p2p/nat/natupnp.go b/p2p/nat/natupnp.go new file mode 100644 index 000000000..25cbc0d71 --- /dev/null +++ b/p2p/nat/natupnp.go @@ -0,0 +1,149 @@ +package nat + +import ( + "errors" + "fmt" + "net" + "strings" + "time" + + "github.com/fjl/goupnp" + "github.com/fjl/goupnp/dcps/internetgateway1" + "github.com/fjl/goupnp/dcps/internetgateway2" +) + +type upnp struct { + dev *goupnp.RootDevice + service string + client upnpClient +} + +type upnpClient interface { + GetExternalIPAddress() (string, error) + AddPortMapping(string, uint16, string, uint16, string, bool, string, uint32) error + DeletePortMapping(string, uint16, string) error + GetNATRSIPStatus() (sip bool, nat bool, err error) +} + +func (n *upnp) ExternalIP() (addr net.IP, err error) { + ipString, err := n.client.GetExternalIPAddress() + if err != nil { + return nil, err + } + ip := net.ParseIP(ipString) + if ip == nil { + return nil, errors.New("bad IP in response") + } + return ip, nil +} + +func (n *upnp) AddMapping(protocol string, extport, intport int, desc string, lifetime time.Duration) error { + ip, err := n.internalAddress() + if err != nil { + return nil + } + protocol = strings.ToUpper(protocol) + lifetimeS := uint32(lifetime / time.Second) + return n.client.AddPortMapping("", uint16(extport), protocol, uint16(intport), ip.String(), true, desc, lifetimeS) +} + +func (n *upnp) internalAddress() (net.IP, error) { + devaddr, err := net.ResolveUDPAddr("udp4", n.dev.URLBase.Host) + if err != nil { + return nil, err + } + ifaces, err := net.Interfaces() + if err != nil { + return nil, err + } + for _, iface := range ifaces { + addrs, err := iface.Addrs() + if err != nil { + return nil, err + } + for _, addr := range addrs { + switch x := addr.(type) { + case *net.IPNet: + if x.Contains(devaddr.IP) { + return x.IP, nil + } + } + } + } + return nil, fmt.Errorf("could not find local address in same net as %v", devaddr) +} + +func (n *upnp) DeleteMapping(protocol string, extport, intport int) error { + return n.client.DeletePortMapping("", uint16(extport), strings.ToUpper(protocol)) +} + +func (n *upnp) String() string { + return "UPNP " + n.service +} + +// discoverUPnP searches for Internet Gateway Devices +// and returns the first one it can find on the local network. +func discoverUPnP() Interface { + found := make(chan *upnp, 2) + // IGDv1 + go discover(found, internetgateway1.URN_WANConnectionDevice_1, func(dev *goupnp.RootDevice, sc goupnp.ServiceClient) *upnp { + switch sc.Service.ServiceType { + case internetgateway1.URN_WANIPConnection_1: + return &upnp{dev, "IGDv1-IP1", &internetgateway1.WANIPConnection1{sc}} + case internetgateway1.URN_WANPPPConnection_1: + return &upnp{dev, "IGDv1-PPP1", &internetgateway1.WANPPPConnection1{sc}} + } + return nil + }) + // IGDv2 + go discover(found, internetgateway2.URN_WANConnectionDevice_2, func(dev *goupnp.RootDevice, sc goupnp.ServiceClient) *upnp { + switch sc.Service.ServiceType { + case internetgateway2.URN_WANIPConnection_1: + return &upnp{dev, "IGDv2-IP1", &internetgateway2.WANIPConnection1{sc}} + case internetgateway2.URN_WANIPConnection_2: + return &upnp{dev, "IGDv2-IP2", &internetgateway2.WANIPConnection2{sc}} + case internetgateway2.URN_WANPPPConnection_1: + return &upnp{dev, "IGDv2-PPP1", &internetgateway2.WANPPPConnection1{sc}} + } + return nil + }) + for i := 0; i < cap(found); i++ { + if c := <-found; c != nil { + return c + } + } + return nil +} + +func discover(out chan<- *upnp, target string, matcher func(*goupnp.RootDevice, goupnp.ServiceClient) *upnp) { + devs, err := goupnp.DiscoverDevices(target) + if err != nil { + return + } + found := false + for i := 0; i < len(devs) && !found; i++ { + if devs[i].Root == nil { + continue + } + devs[i].Root.Device.VisitServices(func(service *goupnp.Service) { + if found { + return + } + // check for a matching IGD service + sc := goupnp.ServiceClient{service.NewSOAPClient(), devs[i].Root, service} + upnp := matcher(devs[i].Root, sc) + if upnp == nil { + return + } + // check whether port mapping is enabled + if _, nat, err := upnp.client.GetNATRSIPStatus(); err != nil || !nat { + return + } + out <- upnp + found = true + }) + } + if !found { + out <- nil + } +} diff --git a/p2p/natpmp.go b/p2p/natpmp.go deleted file mode 100644 index 6714678c4..000000000 --- a/p2p/natpmp.go +++ /dev/null @@ -1,55 +0,0 @@ -package p2p - -import ( - "fmt" - "net" - "time" - - natpmp "github.com/jackpal/go-nat-pmp" -) - -// Adapt the NAT-PMP protocol to the NAT interface - -// TODO: -// + Register for changes to the external address. -// + Re-register port mapping when router reboots. -// + A mechanism for keeping a port mapping registered. -// + Discover gateway address automatically. - -type natPMPClient struct { - client *natpmp.Client -} - -// PMP returns a NAT traverser that uses NAT-PMP. The provided gateway -// address should be the IP of your router. -func PMP(gateway net.IP) (nat NAT) { - return &natPMPClient{natpmp.NewClient(gateway)} -} - -func (*natPMPClient) String() string { - return "NAT-PMP" -} - -func (n *natPMPClient) GetExternalAddress() (net.IP, error) { - response, err := n.client.GetExternalAddress() - if err != nil { - return nil, err - } - return response.ExternalIPAddress[:], nil -} - -func (n *natPMPClient) AddPortMapping(protocol string, extport, intport int, name string, lifetime time.Duration) error { - if lifetime <= 0 { - return fmt.Errorf("lifetime must not be <= 0") - } - // Note order of port arguments is switched between our AddPortMapping and the client's AddPortMapping. - _, err := n.client.AddPortMapping(protocol, intport, extport, int(lifetime/time.Second)) - return err -} - -func (n *natPMPClient) DeletePortMapping(protocol string, externalPort, internalPort int) (err error) { - // To destroy a mapping, send an add-port with - // an internalPort of the internal port to destroy, an external port of zero and a time of zero. - _, err = n.client.AddPortMapping(protocol, internalPort, 0, 0) - return -} diff --git a/p2p/natupnp.go b/p2p/natupnp.go deleted file mode 100644 index 2e0d8ce8d..000000000 --- a/p2p/natupnp.go +++ /dev/null @@ -1,341 +0,0 @@ -package p2p - -// Just enough UPnP to be able to forward ports -// - -import ( - "bytes" - "encoding/xml" - "errors" - "fmt" - "net" - "net/http" - "os" - "strconv" - "strings" - "time" -) - -const ( - upnpDiscoverAttempts = 3 - upnpDiscoverTimeout = 5 * time.Second -) - -// UPNP returns a NAT port mapper that uses UPnP. It will attempt to -// discover the address of your router using UDP broadcasts. -func UPNP() NAT { - return &upnpNAT{} -} - -type upnpNAT struct { - serviceURL string - ourIP string -} - -func (n *upnpNAT) String() string { - return "UPNP" -} - -func (n *upnpNAT) discover() error { - if n.serviceURL != "" { - // already discovered - return nil - } - - ssdp, err := net.ResolveUDPAddr("udp4", "239.255.255.250:1900") - if err != nil { - return err - } - // TODO: try on all network interfaces simultaneously. - // Broadcasting on 0.0.0.0 could select a random interface - // to send on (platform specific). - conn, err := net.ListenPacket("udp4", ":0") - if err != nil { - return err - } - defer conn.Close() - - conn.SetDeadline(time.Now().Add(10 * time.Second)) - st := "ST: urn:schemas-upnp-org:device:InternetGatewayDevice:1\r\n" - buf := bytes.NewBufferString( - "M-SEARCH * HTTP/1.1\r\n" + - "HOST: 239.255.255.250:1900\r\n" + - st + - "MAN: \"ssdp:discover\"\r\n" + - "MX: 2\r\n\r\n") - message := buf.Bytes() - answerBytes := make([]byte, 1024) - for i := 0; i < upnpDiscoverAttempts; i++ { - _, err = conn.WriteTo(message, ssdp) - if err != nil { - return err - } - nn, _, err := conn.ReadFrom(answerBytes) - if err != nil { - continue - } - answer := string(answerBytes[0:nn]) - if strings.Index(answer, "\r\n"+st) < 0 { - continue - } - // HTTP header field names are case-insensitive. - // http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2 - locString := "\r\nlocation: " - answer = strings.ToLower(answer) - locIndex := strings.Index(answer, locString) - if locIndex < 0 { - continue - } - loc := answer[locIndex+len(locString):] - endIndex := strings.Index(loc, "\r\n") - if endIndex < 0 { - continue - } - locURL := loc[0:endIndex] - var serviceURL string - serviceURL, err = getServiceURL(locURL) - if err != nil { - return err - } - var ourIP string - ourIP, err = getOurIP() - if err != nil { - return err - } - n.serviceURL = serviceURL - n.ourIP = ourIP - return nil - } - return errors.New("UPnP port discovery failed.") -} - -func (n *upnpNAT) GetExternalAddress() (addr net.IP, err error) { - if err := n.discover(); err != nil { - return nil, err - } - info, err := n.getStatusInfo() - return net.ParseIP(info.externalIpAddress), err -} - -func (n *upnpNAT) AddPortMapping(protocol string, extport, intport int, description string, lifetime time.Duration) error { - if err := n.discover(); err != nil { - return err - } - - // A single concatenation would break ARM compilation. - message := "<u:AddPortMapping xmlns:u=\"urn:schemas-upnp-org:service:WANIPConnection:1\">\r\n" + - "<NewRemoteHost></NewRemoteHost><NewExternalPort>" + strconv.Itoa(extport) - message += "</NewExternalPort><NewProtocol>" + protocol + "</NewProtocol>" - message += "<NewInternalPort>" + strconv.Itoa(extport) + "</NewInternalPort>" + - "<NewInternalClient>" + n.ourIP + "</NewInternalClient>" + - "<NewEnabled>1</NewEnabled><NewPortMappingDescription>" - message += description + - "</NewPortMappingDescription><NewLeaseDuration>" + fmt.Sprint(lifetime/time.Second) + - "</NewLeaseDuration></u:AddPortMapping>" - - // TODO: check response to see if the port was forwarded - _, err := soapRequest(n.serviceURL, "AddPortMapping", message) - return err -} - -func (n *upnpNAT) DeletePortMapping(protocol string, externalPort, internalPort int) error { - if err := n.discover(); err != nil { - return err - } - - message := "<u:DeletePortMapping xmlns:u=\"urn:schemas-upnp-org:service:WANIPConnection:1\">\r\n" + - "<NewRemoteHost></NewRemoteHost><NewExternalPort>" + strconv.Itoa(externalPort) + - "</NewExternalPort><NewProtocol>" + protocol + "</NewProtocol>" + - "</u:DeletePortMapping>" - - // TODO: check response to see if the port was deleted - _, err := soapRequest(n.serviceURL, "DeletePortMapping", message) - return err -} - -type statusInfo struct { - externalIpAddress string -} - -func (n *upnpNAT) getStatusInfo() (info statusInfo, err error) { - message := "<u:GetStatusInfo xmlns:u=\"urn:schemas-upnp-org:service:WANIPConnection:1\">\r\n" + - "</u:GetStatusInfo>" - - var response *http.Response - response, err = soapRequest(n.serviceURL, "GetStatusInfo", message) - if err != nil { - return - } - - // TODO: Write a soap reply parser. It has to eat the Body and envelope tags... - - response.Body.Close() - return -} - -// service represents the Service type in an UPnP xml description. -// Only the parts we care about are present and thus the xml may have more -// fields than present in the structure. -type service struct { - ServiceType string `xml:"serviceType"` - ControlURL string `xml:"controlURL"` -} - -// deviceList represents the deviceList type in an UPnP xml description. -// Only the parts we care about are present and thus the xml may have more -// fields than present in the structure. -type deviceList struct { - XMLName xml.Name `xml:"deviceList"` - Device []device `xml:"device"` -} - -// serviceList represents the serviceList type in an UPnP xml description. -// Only the parts we care about are present and thus the xml may have more -// fields than present in the structure. -type serviceList struct { - XMLName xml.Name `xml:"serviceList"` - Service []service `xml:"service"` -} - -// device represents the device type in an UPnP xml description. -// Only the parts we care about are present and thus the xml may have more -// fields than present in the structure. -type device struct { - XMLName xml.Name `xml:"device"` - DeviceType string `xml:"deviceType"` - DeviceList deviceList `xml:"deviceList"` - ServiceList serviceList `xml:"serviceList"` -} - -// specVersion represents the specVersion in a UPnP xml description. -// Only the parts we care about are present and thus the xml may have more -// fields than present in the structure. -type specVersion struct { - XMLName xml.Name `xml:"specVersion"` - Major int `xml:"major"` - Minor int `xml:"minor"` -} - -// root represents the Root document for a UPnP xml description. -// Only the parts we care about are present and thus the xml may have more -// fields than present in the structure. -type root struct { - XMLName xml.Name `xml:"root"` - SpecVersion specVersion - Device device -} - -func getChildDevice(d *device, deviceType string) *device { - dl := d.DeviceList.Device - for i := 0; i < len(dl); i++ { - if dl[i].DeviceType == deviceType { - return &dl[i] - } - } - return nil -} - -func getChildService(d *device, serviceType string) *service { - sl := d.ServiceList.Service - for i := 0; i < len(sl); i++ { - if sl[i].ServiceType == serviceType { - return &sl[i] - } - } - return nil -} - -func getOurIP() (ip string, err error) { - hostname, err := os.Hostname() - if err != nil { - return - } - p, err := net.LookupIP(hostname) - if err != nil && len(p) > 0 { - return - } - return p[0].String(), nil -} - -func getServiceURL(rootURL string) (url string, err error) { - r, err := http.Get(rootURL) - if err != nil { - return - } - defer r.Body.Close() - if r.StatusCode >= 400 { - err = errors.New(string(r.StatusCode)) - return - } - var root root - err = xml.NewDecoder(r.Body).Decode(&root) - - if err != nil { - return - } - a := &root.Device - if a.DeviceType != "urn:schemas-upnp-org:device:InternetGatewayDevice:1" { - err = errors.New("No InternetGatewayDevice") - return - } - b := getChildDevice(a, "urn:schemas-upnp-org:device:WANDevice:1") - if b == nil { - err = errors.New("No WANDevice") - return - } - c := getChildDevice(b, "urn:schemas-upnp-org:device:WANConnectionDevice:1") - if c == nil { - err = errors.New("No WANConnectionDevice") - return - } - d := getChildService(c, "urn:schemas-upnp-org:service:WANIPConnection:1") - if d == nil { - err = errors.New("No WANIPConnection") - return - } - url = combineURL(rootURL, d.ControlURL) - return -} - -func combineURL(rootURL, subURL string) string { - protocolEnd := "://" - protoEndIndex := strings.Index(rootURL, protocolEnd) - a := rootURL[protoEndIndex+len(protocolEnd):] - rootIndex := strings.Index(a, "/") - return rootURL[0:protoEndIndex+len(protocolEnd)+rootIndex] + subURL -} - -func soapRequest(url, function, message string) (r *http.Response, err error) { - fullMessage := "<?xml version=\"1.0\" ?>" + - "<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">\r\n" + - "<s:Body>" + message + "</s:Body></s:Envelope>" - - req, err := http.NewRequest("POST", url, strings.NewReader(fullMessage)) - if err != nil { - return - } - req.Header.Set("Content-Type", "text/xml ; charset=\"utf-8\"") - req.Header.Set("User-Agent", "Darwin/10.0.0, UPnP/1.0, MiniUPnPc/1.3") - //req.Header.Set("Transfer-Encoding", "chunked") - req.Header.Set("SOAPAction", "\"urn:schemas-upnp-org:service:WANIPConnection:1#"+function+"\"") - req.Header.Set("Connection", "Close") - req.Header.Set("Cache-Control", "no-cache") - req.Header.Set("Pragma", "no-cache") - - r, err = http.DefaultClient.Do(req) - if err != nil { - return - } - - if r.Body != nil { - defer r.Body.Close() - } - - if r.StatusCode >= 400 { - // log.Stderr(function, r.StatusCode) - err = errors.New("Error " + strconv.Itoa(r.StatusCode) + " for " + function) - r = nil - return - } - return -} diff --git a/p2p/peer.go b/p2p/peer.go index 2380a3285..fd5bec7d5 100644 --- a/p2p/peer.go +++ b/p2p/peer.go @@ -1,8 +1,7 @@ package p2p import ( - "bufio" - "bytes" + "errors" "fmt" "io" "io/ioutil" @@ -11,159 +10,109 @@ import ( "sync" "time" - "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p/discover" + "github.com/ethereum/go-ethereum/rlp" ) -// peerAddr is the structure of a peer list element. -// It is also a valid net.Addr. -type peerAddr struct { - IP net.IP - Port uint64 - Pubkey []byte // optional -} - -func newPeerAddr(addr net.Addr, pubkey []byte) *peerAddr { - n := addr.Network() - if n != "tcp" && n != "tcp4" && n != "tcp6" { - // for testing with non-TCP - return &peerAddr{net.ParseIP("127.0.0.1"), 30303, pubkey} - } - ta := addr.(*net.TCPAddr) - return &peerAddr{ta.IP, uint64(ta.Port), pubkey} -} +const ( + baseProtocolVersion = 3 + baseProtocolLength = uint64(16) + baseProtocolMaxMsgSize = 10 * 1024 * 1024 -func (d peerAddr) Network() string { - if d.IP.To4() != nil { - return "tcp4" - } else { - return "tcp6" - } -} + disconnectGracePeriod = 2 * time.Second +) -func (d peerAddr) String() string { - return fmt.Sprintf("%v:%d", d.IP, d.Port) -} +const ( + // devp2p message codes + handshakeMsg = 0x00 + discMsg = 0x01 + pingMsg = 0x02 + pongMsg = 0x03 + getPeersMsg = 0x04 + peersMsg = 0x05 +) -func (d *peerAddr) RlpData() interface{} { - return []interface{}{string(d.IP), d.Port, d.Pubkey} +// handshake is the RLP structure of the protocol handshake. +type handshake struct { + Version uint64 + Name string + Caps []Cap + ListenPort uint64 + NodeID discover.NodeID } -// Peer represents a remote peer. +// Peer represents a connected remote node. type Peer struct { // Peers have all the log methods. // Use them to display messages related to the peer. *logger.Logger - infolock sync.Mutex - identity ClientIdentity - caps []Cap - listenAddr *peerAddr // what remote peer is listening on - dialAddr *peerAddr // non-nil if dialing + infoMu sync.Mutex + name string + caps []Cap + + ourID, remoteID *discover.NodeID + ourName string - // The mutex protects the connection - // so only one protocol can write at a time. - writeMu sync.Mutex - conn net.Conn - bufconn *bufio.ReadWriter + rw *frameRW // These fields maintain the running protocols. - protocols []Protocol - runBaseProtocol bool // for testing + protocols []Protocol + runlock sync.RWMutex // protects running + running map[string]*proto - runlock sync.RWMutex // protects running - running map[string]*proto + // disables protocol handshake, for testing + noHandshake bool protoWG sync.WaitGroup protoErr chan error closed chan struct{} disc chan DiscReason - - activity event.TypeMux // for activity events - - slot int // index into Server peer list - - // These fields are kept so base protocol can access them. - // TODO: this should be one or more interfaces - ourID ClientIdentity // client id of the Server - ourListenAddr *peerAddr // listen addr of Server, nil if not listening - newPeerAddr chan<- *peerAddr // tell server about received peers - otherPeers func() []*Peer // should return the list of all peers - pubkeyHook func(*peerAddr) error // called at end of handshake to validate pubkey } // NewPeer returns a peer for testing purposes. -func NewPeer(id ClientIdentity, caps []Cap) *Peer { +func NewPeer(id discover.NodeID, name string, caps []Cap) *Peer { conn, _ := net.Pipe() - peer := newPeer(conn, nil, nil) - peer.setHandshakeInfo(id, nil, caps) - close(peer.closed) + peer := newPeer(conn, nil, "", nil, &id) + peer.setHandshakeInfo(name, caps) + close(peer.closed) // ensures Disconnect doesn't block return peer } -func newServerPeer(server *Server, conn net.Conn, dialAddr *peerAddr) *Peer { - p := newPeer(conn, server.Protocols, dialAddr) - p.ourID = server.Identity - p.newPeerAddr = server.peerConnect - p.otherPeers = server.Peers - p.pubkeyHook = server.verifyPeer - p.runBaseProtocol = true - - // laddr can be updated concurrently by NAT traversal. - // newServerPeer must be called with the server lock held. - if server.laddr != nil { - p.ourListenAddr = newPeerAddr(server.laddr, server.Identity.Pubkey()) - } - return p -} - -func newPeer(conn net.Conn, protocols []Protocol, dialAddr *peerAddr) *Peer { - p := &Peer{ - Logger: logger.NewLogger("P2P " + conn.RemoteAddr().String()), - conn: conn, - dialAddr: dialAddr, - bufconn: bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn)), - protocols: protocols, - running: make(map[string]*proto), - disc: make(chan DiscReason), - protoErr: make(chan error), - closed: make(chan struct{}), - } - return p +// ID returns the node's public key. +func (p *Peer) ID() discover.NodeID { + return *p.remoteID } -// Identity returns the client identity of the remote peer. The -// identity can be nil if the peer has not yet completed the -// handshake. -func (p *Peer) Identity() ClientIdentity { - p.infolock.Lock() - defer p.infolock.Unlock() - return p.identity +// Name returns the node name that the remote node advertised. +func (p *Peer) Name() string { + // this needs a lock because the information is part of the + // protocol handshake. + p.infoMu.Lock() + name := p.name + p.infoMu.Unlock() + return name } // Caps returns the capabilities (supported subprotocols) of the remote peer. func (p *Peer) Caps() []Cap { - p.infolock.Lock() - defer p.infolock.Unlock() - return p.caps -} - -func (p *Peer) setHandshakeInfo(id ClientIdentity, laddr *peerAddr, caps []Cap) { - p.infolock.Lock() - p.identity = id - p.listenAddr = laddr - p.caps = caps - p.infolock.Unlock() + // this needs a lock because the information is part of the + // protocol handshake. + p.infoMu.Lock() + caps := p.caps + p.infoMu.Unlock() + return caps } // RemoteAddr returns the remote address of the network connection. func (p *Peer) RemoteAddr() net.Addr { - return p.conn.RemoteAddr() + return p.rw.RemoteAddr() } // LocalAddr returns the local address of the network connection. func (p *Peer) LocalAddr() net.Addr { - return p.conn.LocalAddr() + return p.rw.LocalAddr() } // Disconnect terminates the peer connection with the given reason. @@ -177,149 +126,177 @@ func (p *Peer) Disconnect(reason DiscReason) { // String implements fmt.Stringer. func (p *Peer) String() string { - kind := "inbound" - p.infolock.Lock() - if p.dialAddr != nil { - kind = "outbound" - } - p.infolock.Unlock() - return fmt.Sprintf("Peer(%p %v %s)", p, p.conn.RemoteAddr(), kind) + return fmt.Sprintf("Peer %.8x %v", p.remoteID[:], p.RemoteAddr()) } -const ( - // maximum amount of time allowed for reading a message - msgReadTimeout = 5 * time.Second - // maximum amount of time allowed for writing a message - msgWriteTimeout = 5 * time.Second - // messages smaller than this many bytes will be read at - // once before passing them to a protocol. - wholePayloadSize = 64 * 1024 -) +func newPeer(conn net.Conn, protocols []Protocol, ourName string, ourID, remoteID *discover.NodeID) *Peer { + logtag := fmt.Sprintf("Peer %.8x %v", remoteID[:], conn.RemoteAddr()) + return &Peer{ + Logger: logger.NewLogger(logtag), + rw: newFrameRW(conn, msgWriteTimeout), + ourID: ourID, + ourName: ourName, + remoteID: remoteID, + protocols: protocols, + running: make(map[string]*proto), + disc: make(chan DiscReason), + protoErr: make(chan error), + closed: make(chan struct{}), + } +} -var ( - inactivityTimeout = 2 * time.Second - disconnectGracePeriod = 2 * time.Second -) +func (p *Peer) setHandshakeInfo(name string, caps []Cap) { + p.infoMu.Lock() + p.name = name + p.caps = caps + p.infoMu.Unlock() +} -func (p *Peer) loop() (reason DiscReason, err error) { - defer p.activity.Stop() +func (p *Peer) run() DiscReason { + var readErr = make(chan error, 1) defer p.closeProtocols() defer close(p.closed) - defer p.conn.Close() - - // read loop - readMsg := make(chan Msg) - readErr := make(chan error) - readNext := make(chan bool, 1) - protoDone := make(chan struct{}, 1) - go p.readLoop(readMsg, readErr, readNext) - readNext <- true - - if p.runBaseProtocol { - p.startBaseProtocol() - } -loop: - for { - select { - case msg := <-readMsg: - // a new message has arrived. - var wait bool - if wait, err = p.dispatch(msg, protoDone); err != nil { - p.Errorf("msg dispatch error: %v\n", err) - reason = discReasonForError(err) - break loop - } - if !wait { - // Msg has already been read completely, continue with next message. - readNext <- true - } - p.activity.Post(time.Now()) - case <-protoDone: - // protocol has consumed the message payload, - // we can continue reading from the socket. - readNext <- true - - case err := <-readErr: - // read failed. there is no need to run the - // polite disconnect sequence because the connection - // is probably dead anyway. - // TODO: handle write errors as well - return DiscNetworkError, err - case err = <-p.protoErr: - reason = discReasonForError(err) - break loop - case reason = <-p.disc: - break loop + go func() { readErr <- p.readLoop() }() + + if !p.noHandshake { + if err := writeProtocolHandshake(p.rw, p.ourName, *p.ourID, p.protocols); err != nil { + p.DebugDetailf("Protocol handshake error: %v\n", err) + p.rw.Close() + return DiscProtocolError } } - // wait for read loop to return. - close(readNext) + // Wait for an error or disconnect. + var reason DiscReason + select { + case err := <-readErr: + // We rely on protocols to abort if there is a write error. It + // might be more robust to handle them here as well. + p.DebugDetailf("Read error: %v\n", err) + p.rw.Close() + return DiscNetworkError + + case err := <-p.protoErr: + reason = discReasonForError(err) + case reason = <-p.disc: + } + p.politeDisconnect(reason) + + // Wait for readLoop. It will end because conn is now closed. <-readErr - // tell the remote end to disconnect + p.Debugf("Disconnected: %v\n", reason) + return reason +} + +func (p *Peer) politeDisconnect(reason DiscReason) { done := make(chan struct{}) go func() { - p.conn.SetDeadline(time.Now().Add(disconnectGracePeriod)) - p.writeMsg(NewMsg(discMsg, reason), disconnectGracePeriod) - io.Copy(ioutil.Discard, p.conn) + EncodeMsg(p.rw, discMsg, uint(reason)) + // Wait for the other side to close the connection. + // Discard any data that they send until then. + io.Copy(ioutil.Discard, p.rw) close(done) }() select { case <-done: case <-time.After(disconnectGracePeriod): } - return reason, err + p.rw.Close() } -func (p *Peer) readLoop(msgc chan<- Msg, errc chan<- error, unblock <-chan bool) { - for _ = range unblock { - p.conn.SetReadDeadline(time.Now().Add(msgReadTimeout)) - if msg, err := readMsg(p.bufconn); err != nil { - errc <- err - } else { - msgc <- msg +func (p *Peer) readLoop() error { + if !p.noHandshake { + if err := readProtocolHandshake(p, p.rw); err != nil { + return err } } - close(errc) -} - -func (p *Peer) dispatch(msg Msg, protoDone chan struct{}) (wait bool, err error) { - proto, err := p.getProto(msg.Code) - if err != nil { - return false, err + for { + msg, err := p.rw.ReadMsg() + if err != nil { + return err + } + if err = p.handle(msg); err != nil { + return err + } } - if msg.Size <= wholePayloadSize { - // optimization: msg is small enough, read all - // of it and move on to the next message - buf, err := ioutil.ReadAll(msg.Payload) + return nil +} + +func (p *Peer) handle(msg Msg) error { + switch { + case msg.Code == pingMsg: + msg.Discard() + go EncodeMsg(p.rw, pongMsg) + case msg.Code == discMsg: + var reason DiscReason + // no need to discard or for error checking, we'll close the + // connection after this. + rlp.Decode(msg.Payload, &reason) + p.Disconnect(DiscRequested) + return discRequestedError(reason) + case msg.Code < baseProtocolLength: + // ignore other base protocol messages + return msg.Discard() + default: + // it's a subprotocol message + proto, err := p.getProto(msg.Code) if err != nil { - return false, err + return fmt.Errorf("msg code out of range: %v", msg.Code) } - msg.Payload = bytes.NewReader(buf) - proto.in <- msg - } else { - wait = true - pr := &eofSignal{msg.Payload, int64(msg.Size), protoDone} - msg.Payload = pr proto.in <- msg } - return wait, nil + return nil } -func (p *Peer) startBaseProtocol() { - p.runlock.Lock() - defer p.runlock.Unlock() - p.running[""] = p.startProto(0, Protocol{ - Length: baseProtocolLength, - Run: runBaseProtocol, - }) +func readProtocolHandshake(p *Peer, rw MsgReadWriter) error { + // read and handle remote handshake + msg, err := rw.ReadMsg() + if err != nil { + return err + } + if msg.Code == discMsg { + // disconnect before protocol handshake is valid according to the + // spec and we send it ourself if Server.addPeer fails. + var reason DiscReason + rlp.Decode(msg.Payload, &reason) + return discRequestedError(reason) + } + if msg.Code != handshakeMsg { + return newPeerError(errProtocolBreach, "expected handshake, got %x", msg.Code) + } + if msg.Size > baseProtocolMaxMsgSize { + return newPeerError(errInvalidMsg, "message too big") + } + var hs handshake + if err := msg.Decode(&hs); err != nil { + return err + } + // validate handshake info + if hs.Version != baseProtocolVersion { + return newPeerError(errP2PVersionMismatch, "required version %d, received %d\n", + baseProtocolVersion, hs.Version) + } + if hs.NodeID == *p.remoteID { + return newPeerError(errPubkeyForbidden, "node ID mismatch") + } + // TODO: remove Caps with empty name + p.setHandshakeInfo(hs.Name, hs.Caps) + p.startSubprotocols(hs.Caps) + return nil +} + +func writeProtocolHandshake(w MsgWriter, name string, id discover.NodeID, ps []Protocol) error { + var caps []interface{} + for _, proto := range ps { + caps = append(caps, proto.cap()) + } + return EncodeMsg(w, handshakeMsg, baseProtocolVersion, name, caps, 0, id) } // startProtocols starts matching named subprotocols. func (p *Peer) startSubprotocols(caps []Cap) { sort.Sort(capsByName(caps)) - p.runlock.Lock() defer p.runlock.Unlock() offset := baseProtocolLength @@ -338,20 +315,22 @@ outer: } func (p *Peer) startProto(offset uint64, impl Protocol) *proto { + p.DebugDetailf("Starting protocol %s/%d\n", impl.Name, impl.Version) rw := &proto{ + name: impl.Name, in: make(chan Msg), offset: offset, maxcode: impl.Length, - peer: p, + w: p.rw, } p.protoWG.Add(1) go func() { err := impl.Run(p, rw) if err == nil { - p.Infof("protocol %q returned", impl.Name) - err = newPeerError(errMisc, "protocol returned") + p.DebugDetailf("Protocol %s/%d returned\n", impl.Name, impl.Version) + err = errors.New("protocol returned") } else { - p.Errorf("protocol %q error: %v\n", impl.Name, err) + p.DebugDetailf("Protocol %s/%d error: %v\n", impl.Name, impl.Version, err) } select { case p.protoErr <- err: @@ -385,6 +364,7 @@ func (p *Peer) closeProtocols() { } // writeProtoMsg sends the given message on behalf of the given named protocol. +// this exists because of Server.Broadcast. func (p *Peer) writeProtoMsg(protoName string, msg Msg) error { p.runlock.RLock() proto, ok := p.running[protoName] @@ -396,25 +376,14 @@ func (p *Peer) writeProtoMsg(protoName string, msg Msg) error { return newPeerError(errInvalidMsgCode, "code %x is out of range for protocol %q", msg.Code, protoName) } msg.Code += proto.offset - return p.writeMsg(msg, msgWriteTimeout) -} - -// writeMsg writes a message to the connection. -func (p *Peer) writeMsg(msg Msg, timeout time.Duration) error { - p.writeMu.Lock() - defer p.writeMu.Unlock() - p.conn.SetWriteDeadline(time.Now().Add(timeout)) - if err := writeMsg(p.bufconn, msg); err != nil { - return newPeerError(errWrite, "%v", err) - } - return p.bufconn.Flush() + return p.rw.WriteMsg(msg) } type proto struct { name string in chan Msg maxcode, offset uint64 - peer *Peer + w MsgWriter } func (rw *proto) WriteMsg(msg Msg) error { @@ -422,11 +391,7 @@ func (rw *proto) WriteMsg(msg Msg) error { return newPeerError(errInvalidMsgCode, "not handled") } msg.Code += rw.offset - return rw.peer.writeMsg(msg, msgWriteTimeout) -} - -func (rw *proto) EncodeMsg(code uint64, data ...interface{}) error { - return rw.WriteMsg(NewMsg(code, data...)) + return rw.w.WriteMsg(msg) } func (rw *proto) ReadMsg() (Msg, error) { @@ -437,26 +402,3 @@ func (rw *proto) ReadMsg() (Msg, error) { msg.Code -= rw.offset return msg, nil } - -// eofSignal wraps a reader with eof signaling. the eof channel is -// closed when the wrapped reader returns an error or when count bytes -// have been read. -// -type eofSignal struct { - wrapped io.Reader - count int64 - eof chan<- struct{} -} - -// note: when using eofSignal to detect whether a message payload -// has been read, Read might not be called for zero sized messages. - -func (r *eofSignal) Read(buf []byte) (int, error) { - n, err := r.wrapped.Read(buf) - r.count -= int64(n) - if (err != nil || r.count <= 0) && r.eof != nil { - r.eof <- struct{}{} // tell Peer that msg has been consumed - r.eof = nil - } - return n, err -} diff --git a/p2p/peer_error.go b/p2p/peer_error.go index 0eb7ec838..0ff4f4b43 100644 --- a/p2p/peer_error.go +++ b/p2p/peer_error.go @@ -12,7 +12,6 @@ const ( errInvalidMsgCode errInvalidMsg errP2PVersionMismatch - errPubkeyMissing errPubkeyInvalid errPubkeyForbidden errProtocolBreach @@ -22,20 +21,19 @@ const ( ) var errorToString = map[int]string{ - errMagicTokenMismatch: "Magic token mismatch", - errRead: "Read error", - errWrite: "Write error", - errMisc: "Misc error", - errInvalidMsgCode: "Invalid message code", - errInvalidMsg: "Invalid message", + errMagicTokenMismatch: "magic token mismatch", + errRead: "read error", + errWrite: "write error", + errMisc: "misc error", + errInvalidMsgCode: "invalid message code", + errInvalidMsg: "invalid message", errP2PVersionMismatch: "P2P Version Mismatch", - errPubkeyMissing: "Public key missing", - errPubkeyInvalid: "Public key invalid", - errPubkeyForbidden: "Public key forbidden", - errProtocolBreach: "Protocol Breach", - errPingTimeout: "Ping timeout", - errInvalidNetworkId: "Invalid network id", - errInvalidProtocolVersion: "Invalid protocol version", + errPubkeyInvalid: "public key invalid", + errPubkeyForbidden: "public key forbidden", + errProtocolBreach: "protocol Breach", + errPingTimeout: "ping timeout", + errInvalidNetworkId: "invalid network id", + errInvalidProtocolVersion: "invalid protocol version", } type peerError struct { @@ -62,22 +60,22 @@ func (self *peerError) Error() string { type DiscReason byte const ( - DiscRequested DiscReason = 0x00 - DiscNetworkError = 0x01 - DiscProtocolError = 0x02 - DiscUselessPeer = 0x03 - DiscTooManyPeers = 0x04 - DiscAlreadyConnected = 0x05 - DiscIncompatibleVersion = 0x06 - DiscInvalidIdentity = 0x07 - DiscQuitting = 0x08 - DiscUnexpectedIdentity = 0x09 - DiscSelf = 0x0a - DiscReadTimeout = 0x0b - DiscSubprotocolError = 0x10 + DiscRequested DiscReason = iota + DiscNetworkError + DiscProtocolError + DiscUselessPeer + DiscTooManyPeers + DiscAlreadyConnected + DiscIncompatibleVersion + DiscInvalidIdentity + DiscQuitting + DiscUnexpectedIdentity + DiscSelf + DiscReadTimeout + DiscSubprotocolError ) -var discReasonToString = [DiscSubprotocolError + 1]string{ +var discReasonToString = [...]string{ DiscRequested: "Disconnect requested", DiscNetworkError: "Network error", DiscProtocolError: "Breach of protocol", @@ -117,7 +115,7 @@ func discReasonForError(err error) DiscReason { switch peerError.Code { case errP2PVersionMismatch: return DiscIncompatibleVersion - case errPubkeyMissing, errPubkeyInvalid: + case errPubkeyInvalid: return DiscInvalidIdentity case errPubkeyForbidden: return DiscUselessPeer @@ -125,7 +123,7 @@ func discReasonForError(err error) DiscReason { return DiscProtocolError case errPingTimeout: return DiscReadTimeout - case errRead, errWrite, errMisc: + case errRead, errWrite: return DiscNetworkError default: return DiscSubprotocolError diff --git a/p2p/peer_test.go b/p2p/peer_test.go index 4ee88f112..68c9910a2 100644 --- a/p2p/peer_test.go +++ b/p2p/peer_test.go @@ -1,15 +1,17 @@ package p2p import ( - "bufio" "bytes" - "encoding/hex" - "io" + "fmt" "io/ioutil" "net" "reflect" + "sort" "testing" "time" + + "github.com/ethereum/go-ethereum/p2p/discover" + "github.com/ethereum/go-ethereum/rlp" ) var discard = Protocol{ @@ -28,17 +30,13 @@ var discard = Protocol{ }, } -func testPeer(protos []Protocol) (net.Conn, *Peer, <-chan error) { +func testPeer(noHandshake bool, protos []Protocol) (*frameRW, *Peer, <-chan DiscReason) { conn1, conn2 := net.Pipe() - peer := newPeer(conn1, protos, nil) - peer.ourID = &peerId{} - peer.pubkeyHook = func(*peerAddr) error { return nil } - errc := make(chan error, 1) - go func() { - _, err := peer.loop() - errc <- err - }() - return conn2, peer, errc + peer := newPeer(conn1, protos, "name", &discover.NodeID{}, &discover.NodeID{}) + peer.noHandshake = noHandshake + errc := make(chan DiscReason, 1) + go func() { errc <- peer.run() }() + return newFrameRW(conn2, msgWriteTimeout), peer, errc } func TestPeerProtoReadMsg(t *testing.T) { @@ -49,31 +47,28 @@ func TestPeerProtoReadMsg(t *testing.T) { Name: "a", Length: 5, Run: func(peer *Peer, rw MsgReadWriter) error { - msg, err := rw.ReadMsg() - if err != nil { - t.Errorf("read error: %v", err) + if err := expectMsg(rw, 2, []uint{1}); err != nil { + t.Error(err) } - if msg.Code != 2 { - t.Errorf("incorrect msg code %d relayed to protocol", msg.Code) - } - data, err := ioutil.ReadAll(msg.Payload) - if err != nil { - t.Errorf("payload read error: %v", err) + if err := expectMsg(rw, 3, []uint{2}); err != nil { + t.Error(err) } - expdata, _ := hex.DecodeString("0183303030") - if !bytes.Equal(expdata, data) { - t.Errorf("incorrect msg data %x", data) + if err := expectMsg(rw, 4, []uint{3}); err != nil { + t.Error(err) } close(done) return nil }, } - net, peer, errc := testPeer([]Protocol{proto}) - defer net.Close() + rw, peer, errc := testPeer(true, []Protocol{proto}) + defer rw.Close() peer.startSubprotocols([]Cap{proto.cap()}) - writeMsg(net, NewMsg(18, 1, "000")) + EncodeMsg(rw, baseProtocolLength+2, 1) + EncodeMsg(rw, baseProtocolLength+3, 2) + EncodeMsg(rw, baseProtocolLength+4, 3) + select { case <-done: case err := <-errc: @@ -105,11 +100,11 @@ func TestPeerProtoReadLargeMsg(t *testing.T) { }, } - net, peer, errc := testPeer([]Protocol{proto}) - defer net.Close() + rw, peer, errc := testPeer(true, []Protocol{proto}) + defer rw.Close() peer.startSubprotocols([]Cap{proto.cap()}) - writeMsg(net, NewMsg(18, make([]byte, msgsize))) + EncodeMsg(rw, 18, make([]byte, msgsize)) select { case <-done: case err := <-errc: @@ -135,32 +130,20 @@ func TestPeerProtoEncodeMsg(t *testing.T) { return nil }, } - net, peer, _ := testPeer([]Protocol{proto}) - defer net.Close() + rw, peer, _ := testPeer(true, []Protocol{proto}) + defer rw.Close() peer.startSubprotocols([]Cap{proto.cap()}) - bufr := bufio.NewReader(net) - msg, err := readMsg(bufr) - if err != nil { - t.Errorf("read error: %v", err) - } - if msg.Code != 17 { - t.Errorf("incorrect message code: got %d, expected %d", msg.Code, 17) - } - var data []string - if err := msg.Decode(&data); err != nil { - t.Errorf("payload decode error: %v", err) - } - if !reflect.DeepEqual(data, []string{"foo", "bar"}) { - t.Errorf("payload RLP mismatch, got %#v, want %#v", data, []string{"foo", "bar"}) + if err := expectMsg(rw, 17, []string{"foo", "bar"}); err != nil { + t.Error(err) } } -func TestPeerWrite(t *testing.T) { +func TestPeerWriteForBroadcast(t *testing.T) { defer testlog(t).detach() - net, peer, peerErr := testPeer([]Protocol{discard}) - defer net.Close() + rw, peer, peerErr := testPeer(true, []Protocol{discard}) + defer rw.Close() peer.startSubprotocols([]Cap{discard.cap()}) // test write errors @@ -176,18 +159,13 @@ func TestPeerWrite(t *testing.T) { // setup for reading the message on the other end read := make(chan struct{}) go func() { - bufr := bufio.NewReader(net) - msg, err := readMsg(bufr) - if err != nil { - t.Errorf("read error: %v", err) - } else if msg.Code != 16 { - t.Errorf("wrong code, got %d, expected %d", msg.Code, 16) + if err := expectMsg(rw, 16, nil); err != nil { + t.Error() } - msg.Discard() close(read) }() - // test succcessful write + // test successful write if err := peer.writeProtoMsg("discard", NewMsg(0)); err != nil { t.Errorf("expect no error for known protocol: %v", err) } @@ -198,104 +176,153 @@ func TestPeerWrite(t *testing.T) { } } -func TestPeerActivity(t *testing.T) { - // shorten inactivityTimeout while this test is running - oldT := inactivityTimeout - defer func() { inactivityTimeout = oldT }() - inactivityTimeout = 20 * time.Millisecond +func TestPeerPing(t *testing.T) { + defer testlog(t).detach() - net, peer, peerErr := testPeer([]Protocol{discard}) - defer net.Close() - peer.startSubprotocols([]Cap{discard.cap()}) + rw, _, _ := testPeer(true, nil) + defer rw.Close() + if err := EncodeMsg(rw, pingMsg); err != nil { + t.Fatal(err) + } + if err := expectMsg(rw, pongMsg, nil); err != nil { + t.Error(err) + } +} - sub := peer.activity.Subscribe(time.Time{}) - defer sub.Unsubscribe() +func TestPeerDisconnect(t *testing.T) { + defer testlog(t).detach() - for i := 0; i < 6; i++ { - writeMsg(net, NewMsg(16)) - select { - case <-sub.Chan(): - case <-time.After(inactivityTimeout / 2): - t.Fatal("no event within ", inactivityTimeout/2) - case err := <-peerErr: - t.Fatal("peer error", err) - } + rw, _, disc := testPeer(true, nil) + defer rw.Close() + if err := EncodeMsg(rw, discMsg, DiscQuitting); err != nil { + t.Fatal(err) } - - select { - case <-time.After(inactivityTimeout * 2): - case <-sub.Chan(): - t.Fatal("got activity event while connection was inactive") - case err := <-peerErr: - t.Fatal("peer error", err) + if err := expectMsg(rw, discMsg, []interface{}{DiscRequested}); err != nil { + t.Error(err) + } + rw.Close() // make test end faster + if reason := <-disc; reason != DiscRequested { + t.Errorf("run returned wrong reason: got %v, want %v", reason, DiscRequested) } } -func TestNewPeer(t *testing.T) { - caps := []Cap{{"foo", 2}, {"bar", 3}} - id := &peerId{} - p := NewPeer(id, caps) - if !reflect.DeepEqual(p.Caps(), caps) { - t.Errorf("Caps mismatch: got %v, expected %v", p.Caps(), caps) +func TestPeerHandshake(t *testing.T) { + defer testlog(t).detach() + + // remote has two matching protocols: a and c + remote := NewPeer(randomID(), "", []Cap{{"a", 1}, {"b", 999}, {"c", 3}}) + remoteID := randomID() + remote.ourID = &remoteID + remote.ourName = "remote peer" + + start := make(chan string) + stop := make(chan struct{}) + run := func(p *Peer, rw MsgReadWriter) error { + name := rw.(*proto).name + if name != "a" && name != "c" { + t.Errorf("protocol %q should not be started", name) + } else { + start <- name + } + <-stop + return nil } - if p.Identity() != id { - t.Errorf("Identity mismatch: got %v, expected %v", p.Identity(), id) + protocols := []Protocol{ + {Name: "a", Version: 1, Length: 1, Run: run}, + {Name: "b", Version: 2, Length: 1, Run: run}, + {Name: "c", Version: 3, Length: 1, Run: run}, + {Name: "d", Version: 4, Length: 1, Run: run}, } - // Should not hang. - p.Disconnect(DiscAlreadyConnected) -} + rw, p, disc := testPeer(false, protocols) + p.remoteID = remote.ourID + defer rw.Close() -func TestEOFSignal(t *testing.T) { - rb := make([]byte, 10) + // run the handshake + remoteProtocols := []Protocol{protocols[0], protocols[2]} + if err := writeProtocolHandshake(rw, "remote peer", remoteID, remoteProtocols); err != nil { + t.Fatalf("handshake write error: %v", err) + } + if err := readProtocolHandshake(remote, rw); err != nil { + t.Fatalf("handshake read error: %v", err) + } - // empty reader - eof := make(chan struct{}, 1) - sig := &eofSignal{new(bytes.Buffer), 0, eof} - if n, err := sig.Read(rb); n != 0 || err != io.EOF { - t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + // check that all protocols have been started + var started []string + for i := 0; i < 2; i++ { + select { + case name := <-start: + started = append(started, name) + case <-time.After(100 * time.Millisecond): + } } - select { - case <-eof: - default: - t.Error("EOF chan not signaled") + sort.Strings(started) + if !reflect.DeepEqual(started, []string{"a", "c"}) { + t.Errorf("wrong protocols started: %v", started) } - // count before error - eof = make(chan struct{}, 1) - sig = &eofSignal{bytes.NewBufferString("aaaaaaaa"), 4, eof} - if n, err := sig.Read(rb); n != 8 || err != nil { - t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + // check that metadata has been set + if p.ID() != remoteID { + t.Errorf("peer has wrong node ID: got %v, want %v", p.ID(), remoteID) } - select { - case <-eof: - default: - t.Error("EOF chan not signaled") + if p.Name() != remote.ourName { + t.Errorf("peer has wrong node name: got %q, want %q", p.Name(), remote.ourName) } - // error before count - eof = make(chan struct{}, 1) - sig = &eofSignal{bytes.NewBufferString("aaaa"), 999, eof} - if n, err := sig.Read(rb); n != 4 || err != nil { - t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + close(stop) + expectMsg(rw, discMsg, nil) + t.Logf("disc reason: %v", <-disc) +} + +func TestNewPeer(t *testing.T) { + name := "nodename" + caps := []Cap{{"foo", 2}, {"bar", 3}} + id := randomID() + p := NewPeer(id, name, caps) + if p.ID() != id { + t.Errorf("ID mismatch: got %v, expected %v", p.ID(), id) } - if n, err := sig.Read(rb); n != 0 || err != io.EOF { - t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + if p.Name() != name { + t.Errorf("Name mismatch: got %v, expected %v", p.Name(), name) } - select { - case <-eof: - default: - t.Error("EOF chan not signaled") + if !reflect.DeepEqual(p.Caps(), caps) { + t.Errorf("Caps mismatch: got %v, expected %v", p.Caps(), caps) } - // no signal if neither occurs - eof = make(chan struct{}, 1) - sig = &eofSignal{bytes.NewBufferString("aaaaaaaaaaaaaaaaaaaaa"), 999, eof} - if n, err := sig.Read(rb); n != 10 || err != nil { - t.Errorf("Read returned unexpected values: (%v, %v)", n, err) + p.Disconnect(DiscAlreadyConnected) // Should not hang +} + +// expectMsg reads a message from r and verifies that its +// code and encoded RLP content match the provided values. +// If content is nil, the payload is discarded and not verified. +func expectMsg(r MsgReader, code uint64, content interface{}) error { + msg, err := r.ReadMsg() + if err != nil { + return err } - select { - case <-eof: - t.Error("unexpected EOF signal") - default: + if msg.Code != code { + return fmt.Errorf("message code mismatch: got %d, expected %d", msg.Code, code) + } + if content == nil { + return msg.Discard() + } else { + contentEnc, err := rlp.EncodeToBytes(content) + if err != nil { + panic("content encode error: " + err.Error()) + } + // skip over list header in encoded value. this is temporary. + contentEncR := bytes.NewReader(contentEnc) + if k, _, err := rlp.NewStream(contentEncR).Kind(); k != rlp.List || err != nil { + panic("content must encode as RLP list") + } + contentEnc = contentEnc[len(contentEnc)-contentEncR.Len():] + + actualContent, err := ioutil.ReadAll(msg.Payload) + if err != nil { + return err + } + if !bytes.Equal(actualContent, contentEnc) { + return fmt.Errorf("message payload mismatch:\ngot: %x\nwant: %x", actualContent, contentEnc) + } } + return nil } diff --git a/p2p/protocol.go b/p2p/protocol.go index 1d121a885..fe359fc54 100644 --- a/p2p/protocol.go +++ b/p2p/protocol.go @@ -1,10 +1,5 @@ package p2p -import ( - "bytes" - "time" -) - // Protocol represents a P2P subprotocol implementation. type Protocol struct { // Name should contain the official protocol name, @@ -32,38 +27,6 @@ func (p Protocol) cap() Cap { return Cap{p.Name, p.Version} } -const ( - baseProtocolVersion = 2 - baseProtocolLength = uint64(16) - baseProtocolMaxMsgSize = 10 * 1024 * 1024 -) - -const ( - // devp2p message codes - handshakeMsg = 0x00 - discMsg = 0x01 - pingMsg = 0x02 - pongMsg = 0x03 - getPeersMsg = 0x04 - peersMsg = 0x05 -) - -// handshake is the structure of a handshake list. -type handshake struct { - Version uint64 - ID string - Caps []Cap - ListenPort uint64 - NodeID []byte -} - -func (h *handshake) String() string { - return h.ID -} -func (h *handshake) Pubkey() []byte { - return h.NodeID -} - // Cap is the structure of a peer capability. type Cap struct { Name string @@ -79,210 +42,3 @@ type capsByName []Cap func (cs capsByName) Len() int { return len(cs) } func (cs capsByName) Less(i, j int) bool { return cs[i].Name < cs[j].Name } func (cs capsByName) Swap(i, j int) { cs[i], cs[j] = cs[j], cs[i] } - -type baseProtocol struct { - rw MsgReadWriter - peer *Peer -} - -func runBaseProtocol(peer *Peer, rw MsgReadWriter) error { - bp := &baseProtocol{rw, peer} - errc := make(chan error, 1) - go func() { errc <- rw.WriteMsg(bp.handshakeMsg()) }() - if err := bp.readHandshake(); err != nil { - return err - } - // handle write error - if err := <-errc; err != nil { - return err - } - // run main loop - go func() { - for { - if err := bp.handle(rw); err != nil { - errc <- err - break - } - } - }() - return bp.loop(errc) -} - -var pingTimeout = 2 * time.Second - -func (bp *baseProtocol) loop(quit <-chan error) error { - ping := time.NewTimer(pingTimeout) - activity := bp.peer.activity.Subscribe(time.Time{}) - lastActive := time.Time{} - defer ping.Stop() - defer activity.Unsubscribe() - - getPeersTick := time.NewTicker(10 * time.Second) - defer getPeersTick.Stop() - err := EncodeMsg(bp.rw, getPeersMsg) - - for err == nil { - select { - case err = <-quit: - return err - case <-getPeersTick.C: - err = EncodeMsg(bp.rw, getPeersMsg) - case event := <-activity.Chan(): - ping.Reset(pingTimeout) - lastActive = event.(time.Time) - case t := <-ping.C: - if lastActive.Add(pingTimeout * 2).Before(t) { - err = newPeerError(errPingTimeout, "") - } else if lastActive.Add(pingTimeout).Before(t) { - err = EncodeMsg(bp.rw, pingMsg) - } - } - } - return err -} - -func (bp *baseProtocol) handle(rw MsgReadWriter) error { - msg, err := rw.ReadMsg() - if err != nil { - return err - } - if msg.Size > baseProtocolMaxMsgSize { - return newPeerError(errMisc, "message too big") - } - // make sure that the payload has been fully consumed - defer msg.Discard() - - switch msg.Code { - case handshakeMsg: - return newPeerError(errProtocolBreach, "extra handshake received") - - case discMsg: - var reason [1]DiscReason - if err := msg.Decode(&reason); err != nil { - return err - } - return discRequestedError(reason[0]) - - case pingMsg: - return EncodeMsg(bp.rw, pongMsg) - - case pongMsg: - - case getPeersMsg: - peers := bp.peerList() - // this is dangerous. the spec says that we should _delay_ - // sending the response if no new information is available. - // this means that would need to send a response later when - // new peers become available. - // - // TODO: add event mechanism to notify baseProtocol for new peers - if len(peers) > 0 { - return EncodeMsg(bp.rw, peersMsg, peers...) - } - - case peersMsg: - var peers []*peerAddr - if err := msg.Decode(&peers); err != nil { - return err - } - for _, addr := range peers { - bp.peer.Debugf("received peer suggestion: %v", addr) - bp.peer.newPeerAddr <- addr - } - - default: - return newPeerError(errInvalidMsgCode, "unknown message code %v", msg.Code) - } - return nil -} - -func (bp *baseProtocol) readHandshake() error { - // read and handle remote handshake - msg, err := bp.rw.ReadMsg() - if err != nil { - return err - } - if msg.Code != handshakeMsg { - return newPeerError(errProtocolBreach, "first message must be handshake, got %x", msg.Code) - } - if msg.Size > baseProtocolMaxMsgSize { - return newPeerError(errMisc, "message too big") - } - var hs handshake - if err := msg.Decode(&hs); err != nil { - return err - } - // validate handshake info - if hs.Version != baseProtocolVersion { - return newPeerError(errP2PVersionMismatch, "Require protocol %d, received %d\n", - baseProtocolVersion, hs.Version) - } - if len(hs.NodeID) == 0 { - return newPeerError(errPubkeyMissing, "") - } - if len(hs.NodeID) != 64 { - return newPeerError(errPubkeyInvalid, "require 512 bit, got %v", len(hs.NodeID)*8) - } - if da := bp.peer.dialAddr; da != nil { - // verify that the peer we wanted to connect to - // actually holds the target public key. - if da.Pubkey != nil && !bytes.Equal(da.Pubkey, hs.NodeID) { - return newPeerError(errPubkeyForbidden, "dial address pubkey mismatch") - } - } - pa := newPeerAddr(bp.peer.conn.RemoteAddr(), hs.NodeID) - if err := bp.peer.pubkeyHook(pa); err != nil { - return newPeerError(errPubkeyForbidden, "%v", err) - } - // TODO: remove Caps with empty name - var addr *peerAddr - if hs.ListenPort != 0 { - addr = newPeerAddr(bp.peer.conn.RemoteAddr(), hs.NodeID) - addr.Port = hs.ListenPort - } - bp.peer.setHandshakeInfo(&hs, addr, hs.Caps) - bp.peer.startSubprotocols(hs.Caps) - return nil -} - -func (bp *baseProtocol) handshakeMsg() Msg { - var ( - port uint64 - caps []interface{} - ) - if bp.peer.ourListenAddr != nil { - port = bp.peer.ourListenAddr.Port - } - for _, proto := range bp.peer.protocols { - caps = append(caps, proto.cap()) - } - return NewMsg(handshakeMsg, - baseProtocolVersion, - bp.peer.ourID.String(), - caps, - port, - bp.peer.ourID.Pubkey()[1:], - ) -} - -func (bp *baseProtocol) peerList() []interface{} { - peers := bp.peer.otherPeers() - ds := make([]interface{}, 0, len(peers)) - for _, p := range peers { - p.infolock.Lock() - addr := p.listenAddr - p.infolock.Unlock() - // filter out this peer and peers that are not listening or - // have not completed the handshake. - // TODO: track previously sent peers and exclude them as well. - if p == bp.peer || addr == nil { - continue - } - ds = append(ds, addr) - } - ourAddr := bp.peer.ourListenAddr - if ourAddr != nil && !ourAddr.IP.IsLoopback() && !ourAddr.IP.IsUnspecified() { - ds = append(ds, ourAddr) - } - return ds -} diff --git a/p2p/protocol_test.go b/p2p/protocol_test.go deleted file mode 100644 index b1d10ac53..000000000 --- a/p2p/protocol_test.go +++ /dev/null @@ -1,158 +0,0 @@ -package p2p - -import ( - "fmt" - "net" - "reflect" - "sync" - "testing" - - "github.com/ethereum/go-ethereum/crypto" -) - -type peerId struct { - pubkey []byte -} - -func (self *peerId) String() string { - return fmt.Sprintf("test peer %x", self.Pubkey()[:4]) -} - -func (self *peerId) Pubkey() (pubkey []byte) { - pubkey = self.pubkey - if len(pubkey) == 0 { - pubkey = crypto.GenerateNewKeyPair().PublicKey - self.pubkey = pubkey - } - return -} - -func newTestPeer() (peer *Peer) { - peer = NewPeer(&peerId{}, []Cap{}) - peer.pubkeyHook = func(*peerAddr) error { return nil } - peer.ourID = &peerId{} - peer.listenAddr = &peerAddr{} - peer.otherPeers = func() []*Peer { return nil } - return -} - -func TestBaseProtocolPeers(t *testing.T) { - peerList := []*peerAddr{ - {IP: net.ParseIP("1.2.3.4"), Port: 2222, Pubkey: []byte{}}, - {IP: net.ParseIP("5.6.7.8"), Port: 3333, Pubkey: []byte{}}, - } - listenAddr := &peerAddr{IP: net.ParseIP("1.3.5.7"), Port: 1111, Pubkey: []byte{}} - rw1, rw2 := MsgPipe() - defer rw1.Close() - wg := new(sync.WaitGroup) - - // run matcher, close pipe when addresses have arrived - numPeers := len(peerList) + 1 - addrChan := make(chan *peerAddr) - wg.Add(1) - go func() { - i := 0 - for got := range addrChan { - var want *peerAddr - switch { - case i < len(peerList): - want = peerList[i] - case i == len(peerList): - want = listenAddr // listenAddr should be the last thing sent - } - t.Logf("got peer %d/%d: %v", i+1, numPeers, got) - if !reflect.DeepEqual(want, got) { - t.Errorf("mismatch: got %+v, want %+v", got, want) - } - i++ - if i == numPeers { - break - } - } - if i != numPeers { - t.Errorf("wrong number of peers received: got %d, want %d", i, numPeers) - } - rw1.Close() - wg.Done() - }() - - // run first peer (in background) - peer1 := newTestPeer() - peer1.ourListenAddr = listenAddr - peer1.otherPeers = func() []*Peer { - pl := make([]*Peer, len(peerList)) - for i, addr := range peerList { - pl[i] = &Peer{listenAddr: addr} - } - return pl - } - wg.Add(1) - go func() { - runBaseProtocol(peer1, rw1) - wg.Done() - }() - - // run second peer - peer2 := newTestPeer() - peer2.newPeerAddr = addrChan // feed peer suggestions into matcher - if err := runBaseProtocol(peer2, rw2); err != ErrPipeClosed { - t.Errorf("peer2 terminated with unexpected error: %v", err) - } - - // terminate matcher - close(addrChan) - wg.Wait() -} - -func TestBaseProtocolDisconnect(t *testing.T) { - peer := NewPeer(&peerId{}, nil) - peer.ourID = &peerId{} - peer.pubkeyHook = func(*peerAddr) error { return nil } - - rw1, rw2 := MsgPipe() - done := make(chan struct{}) - go func() { - if err := expectMsg(rw2, handshakeMsg); err != nil { - t.Error(err) - } - err := EncodeMsg(rw2, handshakeMsg, - baseProtocolVersion, - "", - []interface{}{}, - 0, - make([]byte, 64), - ) - if err != nil { - t.Error(err) - } - if err := expectMsg(rw2, getPeersMsg); err != nil { - t.Error(err) - } - if err := EncodeMsg(rw2, discMsg, DiscQuitting); err != nil { - t.Error(err) - } - - close(done) - }() - - if err := runBaseProtocol(peer, rw1); err == nil { - t.Errorf("base protocol returned without error") - } else if reason, ok := err.(discRequestedError); !ok || reason != DiscQuitting { - t.Errorf("base protocol returned wrong error: %v", err) - } - <-done -} - -func expectMsg(r MsgReader, code uint64) error { - msg, err := r.ReadMsg() - if err != nil { - return err - } - if err := msg.Discard(); err != nil { - return err - } - if msg.Code != code { - return fmt.Errorf("wrong message code: got %d, expected %d", msg.Code, code) - } - return nil -} diff --git a/p2p/server.go b/p2p/server.go index 4fd1f7d03..e510be521 100644 --- a/p2p/server.go +++ b/p2p/server.go @@ -2,37 +2,56 @@ package p2p import ( "bytes" + "crypto/ecdsa" "errors" "fmt" + "io" "net" + "runtime" "sync" "time" "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/p2p/discover" + "github.com/ethereum/go-ethereum/p2p/nat" ) const ( - outboundAddressPoolSize = 500 - defaultDialTimeout = 10 * time.Second - portMappingUpdateInterval = 15 * time.Minute - portMappingTimeout = 20 * time.Minute + handshakeTimeout = 5 * time.Second + defaultDialTimeout = 10 * time.Second + refreshPeersInterval = 30 * time.Second ) var srvlog = logger.NewLogger("P2P Server") +// MakeName creates a node name that follows the ethereum convention +// for such names. It adds the operation system name and Go runtime version +// the name. +func MakeName(name, version string) string { + return fmt.Sprintf("%s/v%s/%s/%s", name, version, runtime.GOOS, runtime.Version()) +} + // Server manages all peer connections. // // The fields of Server are used as configuration parameters. // You should set them before starting the Server. Fields may not be // modified while the server is running. type Server struct { - // This field must be set to a valid client identity. - Identity ClientIdentity + // This field must be set to a valid secp256k1 private key. + PrivateKey *ecdsa.PrivateKey // MaxPeers is the maximum number of peers that can be // connected. It must be greater than zero. MaxPeers int + // Name sets the node name of this server. + // Use MakeName to create a name that follows existing conventions. + Name string + + // Bootstrap nodes are used to establish connectivity + // with the rest of the network. + BootstrapNodes []*discover.Node + // Protocols should contain the protocols supported // by the server. Matching protocols are launched for // each peer. @@ -53,7 +72,7 @@ type Server struct { // If set to a non-nil value, the given NAT port mapper // is used to make the listening port available to the // Internet. - NAT NAT + NAT nat.Interface // If Dialer is set to a non-nil value, the given Dialer // is used to dial outbound peer connections. @@ -62,35 +81,26 @@ type Server struct { // If NoDial is true, the server will not dial any peers. NoDial bool - // Hook for testing. This is useful because we can inhibit + // Hooks for testing. These are useful because we can inhibit // the whole protocol stack. - newPeerFunc peerFunc + handshakeFunc + newPeerHook - lock sync.RWMutex - running bool - listener net.Listener - laddr *net.TCPAddr // real listen addr - peers []*Peer - peerSlots chan int - peerCount int - - quit chan struct{} - wg sync.WaitGroup - peerConnect chan *peerAddr - peerDisconnect chan *Peer -} + lock sync.RWMutex + running bool + listener net.Listener + peers map[discover.NodeID]*Peer -// NAT is implemented by NAT traversal methods. -type NAT interface { - GetExternalAddress() (net.IP, error) - AddPortMapping(protocol string, extport, intport int, name string, lifetime time.Duration) error - DeletePortMapping(protocol string, extport, intport int) error + ntab *discover.Table - // Should return name of the method. - String() string + quit chan struct{} + loopWG sync.WaitGroup // {dial,listen,nat}Loop + peerWG sync.WaitGroup // active peer goroutines + peerConnect chan *discover.Node } -type peerFunc func(srv *Server, c net.Conn, dialAddr *peerAddr) *Peer +type handshakeFunc func(io.ReadWriter, *ecdsa.PrivateKey, *discover.Node) (discover.NodeID, []byte, error) +type newPeerHook func(*Peer) // Peers returns all connected peers. func (srv *Server) Peers() (peers []*Peer) { @@ -107,18 +117,15 @@ func (srv *Server) Peers() (peers []*Peer) { // PeerCount returns the number of connected peers. func (srv *Server) PeerCount() int { srv.lock.RLock() - defer srv.lock.RUnlock() - return srv.peerCount + n := len(srv.peers) + srv.lock.RUnlock() + return n } -// SuggestPeer injects an address into the outbound address pool. -func (srv *Server) SuggestPeer(ip net.IP, port int, nodeID []byte) { - addr := &peerAddr{ip, uint64(port), nodeID} - select { - case srv.peerConnect <- addr: - default: // don't block - srvlog.Warnf("peer suggestion %v ignored", addr) - } +// SuggestPeer creates a connection to the given Node if it +// is not already connected. +func (srv *Server) SuggestPeer(n *discover.Node) { + srv.peerConnect <- n } // Broadcast sends an RLP-encoded message to all connected peers. @@ -152,47 +159,46 @@ func (srv *Server) Start() (err error) { } srvlog.Infoln("Starting Server") - // initialize fields - if srv.Identity == nil { - return fmt.Errorf("Server.Identity must be set to a non-nil identity") + // initialize all the fields + if srv.PrivateKey == nil { + return fmt.Errorf("Server.PrivateKey must be set to a non-nil key") } if srv.MaxPeers <= 0 { return fmt.Errorf("Server.MaxPeers must be > 0") } srv.quit = make(chan struct{}) - srv.peers = make([]*Peer, srv.MaxPeers) - srv.peerSlots = make(chan int, srv.MaxPeers) - srv.peerConnect = make(chan *peerAddr, outboundAddressPoolSize) - srv.peerDisconnect = make(chan *Peer) - if srv.newPeerFunc == nil { - srv.newPeerFunc = newServerPeer + srv.peers = make(map[discover.NodeID]*Peer) + srv.peerConnect = make(chan *discover.Node) + + if srv.handshakeFunc == nil { + srv.handshakeFunc = encHandshake } if srv.Blacklist == nil { srv.Blacklist = NewBlacklist() } - if srv.Dialer == nil { - srv.Dialer = &net.Dialer{Timeout: defaultDialTimeout} - } - if srv.ListenAddr != "" { if err := srv.startListening(); err != nil { return err } } + + // dial stuff + dt, err := discover.ListenUDP(srv.PrivateKey, srv.ListenAddr, srv.NAT) + if err != nil { + return err + } + srv.ntab = dt + if srv.Dialer == nil { + srv.Dialer = &net.Dialer{Timeout: defaultDialTimeout} + } if !srv.NoDial { - srv.wg.Add(1) + srv.loopWG.Add(1) go srv.dialLoop() } if srv.NoDial && srv.ListenAddr == "" { srvlog.Warnln("I will be kind-of useless, neither dialing nor listening.") } - // make all slots available - for i := range srv.peers { - srv.peerSlots <- i - } - // note: discLoop is not part of WaitGroup - go srv.discLoop() srv.running = true return nil } @@ -202,14 +208,17 @@ func (srv *Server) startListening() error { if err != nil { return err } - srv.ListenAddr = listener.Addr().String() - srv.laddr = listener.Addr().(*net.TCPAddr) + laddr := listener.Addr().(*net.TCPAddr) + srv.ListenAddr = laddr.String() srv.listener = listener - srv.wg.Add(1) + srv.loopWG.Add(1) go srv.listenLoop() - if !srv.laddr.IP.IsLoopback() && srv.NAT != nil { - srv.wg.Add(1) - go srv.natLoop(srv.laddr.Port) + if !laddr.IP.IsLoopback() && srv.NAT != nil { + srv.loopWG.Add(1) + go func() { + nat.Map(srv.NAT, srv.quit, "tcp", laddr.Port, laddr.Port, "ethereum p2p") + srv.loopWG.Done() + }() } return nil } @@ -225,197 +234,171 @@ func (srv *Server) Stop() { srv.running = false srv.lock.Unlock() - srvlog.Infoln("Stopping server") + srvlog.Infoln("Stopping Server") + srv.ntab.Close() if srv.listener != nil { // this unblocks listener Accept srv.listener.Close() } close(srv.quit) - for _, peer := range srv.Peers() { - peer.Disconnect(DiscQuitting) - } - srv.wg.Wait() - - // wait till they actually disconnect - // this is checked by claiming all peerSlots. - // slots become available as the peers disconnect. - for i := 0; i < cap(srv.peerSlots); i++ { - <-srv.peerSlots - } - // terminate discLoop - close(srv.peerDisconnect) -} + srv.loopWG.Wait() -func (srv *Server) discLoop() { - for peer := range srv.peerDisconnect { - srv.removePeer(peer) + // No new peers can be added at this point because dialLoop and + // listenLoop are down. It is safe to call peerWG.Wait because + // peerWG.Add is not called outside of those loops. + for _, peer := range srv.peers { + peer.Disconnect(DiscQuitting) } + srv.peerWG.Wait() } // main loop for adding connections via listening func (srv *Server) listenLoop() { - defer srv.wg.Done() - + defer srv.loopWG.Done() srvlog.Infoln("Listening on", srv.listener.Addr()) for { - select { - case slot := <-srv.peerSlots: - srvlog.Debugf("grabbed slot %v for listening", slot) - conn, err := srv.listener.Accept() - if err != nil { - srv.peerSlots <- slot - return - } - srvlog.Debugf("Accepted conn %v (slot %d)\n", conn.RemoteAddr(), slot) - srv.addPeer(conn, nil, slot) - case <-srv.quit: + conn, err := srv.listener.Accept() + if err != nil { return } + srvlog.Debugf("Accepted conn %v\n", conn.RemoteAddr()) + srv.peerWG.Add(1) + go srv.startPeer(conn, nil) } } -func (srv *Server) natLoop(port int) { - defer srv.wg.Done() +func (srv *Server) dialLoop() { + defer srv.loopWG.Done() + refresh := time.NewTicker(refreshPeersInterval) + defer refresh.Stop() + + srv.ntab.Bootstrap(srv.BootstrapNodes) + go srv.findPeers() + + dialed := make(chan *discover.Node) + dialing := make(map[discover.NodeID]bool) + + // TODO: limit number of active dials + // TODO: ensure only one findPeers goroutine is running + // TODO: pause findPeers when we're at capacity + for { - srv.updatePortMapping(port) select { - case <-time.After(portMappingUpdateInterval): - // one more round + case <-refresh.C: + + go srv.findPeers() + + case dest := <-srv.peerConnect: + // avoid dialing nodes that are already connected. + // there is another check for this in addPeer, + // which runs after the handshake. + srv.lock.Lock() + _, isconnected := srv.peers[dest.ID] + srv.lock.Unlock() + if isconnected || dialing[dest.ID] || dest.ID == srv.ntab.Self() { + continue + } + + dialing[dest.ID] = true + srv.peerWG.Add(1) + go func() { + srv.dialNode(dest) + // at this point, the peer has been added + // or discarded. either way, we're not dialing it anymore. + dialed <- dest + }() + + case dest := <-dialed: + delete(dialing, dest.ID) + case <-srv.quit: - srv.removePortMapping(port) + // TODO: maybe wait for active dials return } } } -func (srv *Server) updatePortMapping(port int) { - srvlog.Infoln("Attempting to map port", port, "with", srv.NAT) - err := srv.NAT.AddPortMapping("tcp", port, port, "ethereum p2p", portMappingTimeout) +func (srv *Server) dialNode(dest *discover.Node) { + addr := &net.TCPAddr{IP: dest.IP, Port: dest.TCPPort} + srvlog.Debugf("Dialing %v\n", dest) + conn, err := srv.Dialer.Dial("tcp", addr.String()) if err != nil { - srvlog.Errorln("Port mapping error:", err) - return - } - extip, err := srv.NAT.GetExternalAddress() - if err != nil { - srvlog.Errorln("Error getting external IP:", err) + srvlog.DebugDetailf("dial error: %v", err) return } - srv.lock.Lock() - extaddr := *(srv.listener.Addr().(*net.TCPAddr)) - extaddr.IP = extip - srvlog.Infoln("Mapped port, external addr is", &extaddr) - srv.laddr = &extaddr - srv.lock.Unlock() + srv.startPeer(conn, dest) } -func (srv *Server) removePortMapping(port int) { - srvlog.Infoln("Removing port mapping for", port, "with", srv.NAT) - srv.NAT.DeletePortMapping("tcp", port, port) -} - -func (srv *Server) dialLoop() { - defer srv.wg.Done() - var ( - suggest chan *peerAddr - slot *int - slots = srv.peerSlots - ) - for { - select { - case i := <-slots: - // we need a peer in slot i, slot reserved - slot = &i - // now we can watch for candidate peers in the next loop - suggest = srv.peerConnect - // do not consume more until candidate peer is found - slots = nil - - case desc := <-suggest: - // candidate peer found, will dial out asyncronously - // if connection fails slot will be released - srvlog.DebugDetailf("dial %v (%v)", desc, *slot) - go srv.dialPeer(desc, *slot) - // we can watch if more peers needed in the next loop - slots = srv.peerSlots - // until then we dont care about candidate peers - suggest = nil +func (srv *Server) findPeers() { + far := srv.ntab.Self() + for i := range far { + far[i] = ^far[i] + } + closeToSelf := srv.ntab.Lookup(srv.ntab.Self()) + farFromSelf := srv.ntab.Lookup(far) - case <-srv.quit: - // give back the currently reserved slot - if slot != nil { - srv.peerSlots <- *slot - } - return + for i := 0; i < len(closeToSelf) || i < len(farFromSelf); i++ { + if i < len(closeToSelf) { + srv.peerConnect <- closeToSelf[i] + } + if i < len(farFromSelf) { + srv.peerConnect <- farFromSelf[i] } } } -// connect to peer via dial out -func (srv *Server) dialPeer(desc *peerAddr, slot int) { - srvlog.Debugf("Dialing %v (slot %d)\n", desc, slot) - conn, err := srv.Dialer.Dial(desc.Network(), desc.String()) +func (srv *Server) startPeer(conn net.Conn, dest *discover.Node) { + // TODO: handle/store session token + conn.SetDeadline(time.Now().Add(handshakeTimeout)) + remoteID, _, err := srv.handshakeFunc(conn, srv.PrivateKey, dest) if err != nil { - srvlog.DebugDetailf("dial error: %v", err) - srv.peerSlots <- slot + conn.Close() + srvlog.Debugf("Encryption Handshake with %v failed: %v", conn.RemoteAddr(), err) return } - go srv.addPeer(conn, desc, slot) -} + ourID := srv.ntab.Self() + p := newPeer(conn, srv.Protocols, srv.Name, &ourID, &remoteID) + if ok, reason := srv.addPeer(remoteID, p); !ok { + srvlog.DebugDetailf("Not adding %v (%v)\n", p, reason) + p.politeDisconnect(reason) + return + } + srvlog.Debugf("Added %v\n", p) -// creates the new peer object and inserts it into its slot -func (srv *Server) addPeer(conn net.Conn, desc *peerAddr, slot int) *Peer { - srv.lock.Lock() - defer srv.lock.Unlock() - if !srv.running { - conn.Close() - srv.peerSlots <- slot // release slot - return nil + if srv.newPeerHook != nil { + srv.newPeerHook(p) } - peer := srv.newPeerFunc(srv, conn, desc) - peer.slot = slot - srv.peers[slot] = peer - srv.peerCount++ - go func() { peer.loop(); srv.peerDisconnect <- peer }() - return peer + discreason := p.run() + srv.removePeer(p) + srvlog.Debugf("Removed %v (%v)\n", p, discreason) } -// removes peer: sending disconnect msg, stop peer, remove rom list/table, release slot -func (srv *Server) removePeer(peer *Peer) { +func (srv *Server) addPeer(id discover.NodeID, p *Peer) (bool, DiscReason) { srv.lock.Lock() defer srv.lock.Unlock() - srvlog.Debugf("Removing %v (slot %v)\n", peer, peer.slot) - if srv.peers[peer.slot] != peer { - srvlog.Warnln("Invalid peer to remove:", peer) - return - } - // remove from list and index - srv.peerCount-- - srv.peers[peer.slot] = nil - // release slot to signal need for a new peer, last! - srv.peerSlots <- peer.slot + switch { + case !srv.running: + return false, DiscQuitting + case len(srv.peers) >= srv.MaxPeers: + return false, DiscTooManyPeers + case srv.peers[id] != nil: + return false, DiscAlreadyConnected + case srv.Blacklist.Exists(id[:]): + return false, DiscUselessPeer + case id == srv.ntab.Self(): + return false, DiscSelf + } + srv.peers[id] = p + return true, 0 } -func (srv *Server) verifyPeer(addr *peerAddr) error { - if srv.Blacklist.Exists(addr.Pubkey) { - return errors.New("blacklisted") - } - if bytes.Equal(srv.Identity.Pubkey()[1:], addr.Pubkey) { - return newPeerError(errPubkeyForbidden, "not allowed to connect to srv") - } - srv.lock.RLock() - defer srv.lock.RUnlock() - for _, peer := range srv.peers { - if peer != nil { - id := peer.Identity() - if id != nil && bytes.Equal(id.Pubkey(), addr.Pubkey) { - return errors.New("already connected") - } - } - } - return nil +func (srv *Server) removePeer(p *Peer) { + srv.lock.Lock() + delete(srv.peers, *p.remoteID) + srv.lock.Unlock() + srv.peerWG.Done() } -// TODO replace with "Set" type Blacklist interface { Get([]byte) (bool, error) Put([]byte) error diff --git a/p2p/server_test.go b/p2p/server_test.go index ceb89e3f7..aa2b3d243 100644 --- a/p2p/server_test.go +++ b/p2p/server_test.go @@ -2,19 +2,28 @@ package p2p import ( "bytes" + "crypto/ecdsa" "io" + "math/rand" "net" "sync" "testing" "time" + + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/p2p/discover" ) -func startTestServer(t *testing.T, pf peerFunc) *Server { +func startTestServer(t *testing.T, pf newPeerHook) *Server { server := &Server{ - Identity: &peerId{}, + Name: "test", MaxPeers: 10, ListenAddr: "127.0.0.1:0", - newPeerFunc: pf, + PrivateKey: newkey(), + newPeerHook: pf, + handshakeFunc: func(io.ReadWriter, *ecdsa.PrivateKey, *discover.Node) (id discover.NodeID, st []byte, err error) { + return randomID(), nil, err + }, } if err := server.Start(); err != nil { t.Fatalf("Could not start server: %v", err) @@ -27,16 +36,11 @@ func TestServerListen(t *testing.T) { // start the test server connected := make(chan *Peer) - srv := startTestServer(t, func(srv *Server, conn net.Conn, dialAddr *peerAddr) *Peer { - if conn == nil { + srv := startTestServer(t, func(p *Peer) { + if p == nil { t.Error("peer func called with nil conn") } - if dialAddr != nil { - t.Error("peer func called with non-nil dialAddr") - } - peer := newPeer(conn, nil, dialAddr) - connected <- peer - return peer + connected <- p }) defer close(connected) defer srv.Stop() @@ -50,9 +54,9 @@ func TestServerListen(t *testing.T) { select { case peer := <-connected: - if peer.conn.LocalAddr().String() != conn.RemoteAddr().String() { + if peer.LocalAddr().String() != conn.RemoteAddr().String() { t.Errorf("peer started with wrong conn: got %v, want %v", - peer.conn.LocalAddr(), conn.RemoteAddr()) + peer.LocalAddr(), conn.RemoteAddr()) } case <-time.After(1 * time.Second): t.Error("server did not accept within one second") @@ -62,7 +66,7 @@ func TestServerListen(t *testing.T) { func TestServerDial(t *testing.T) { defer testlog(t).detach() - // run a fake TCP server to handle the connection. + // run a one-shot TCP server to handle the connection. listener, err := net.Listen("tcp", "127.0.0.1:0") if err != nil { t.Fatalf("could not setup listener: %v") @@ -72,41 +76,32 @@ func TestServerDial(t *testing.T) { go func() { conn, err := listener.Accept() if err != nil { - t.Error("acccept error:", err) + t.Error("accept error:", err) + return } conn.Close() accepted <- conn }() - // start the test server + // start the server connected := make(chan *Peer) - srv := startTestServer(t, func(srv *Server, conn net.Conn, dialAddr *peerAddr) *Peer { - if conn == nil { - t.Error("peer func called with nil conn") - } - peer := newPeer(conn, nil, dialAddr) - connected <- peer - return peer - }) + srv := startTestServer(t, func(p *Peer) { connected <- p }) defer close(connected) defer srv.Stop() - // tell the server to connect. - connAddr := newPeerAddr(listener.Addr(), nil) - srv.peerConnect <- connAddr + // tell the server to connect + tcpAddr := listener.Addr().(*net.TCPAddr) + srv.SuggestPeer(&discover.Node{IP: tcpAddr.IP, TCPPort: tcpAddr.Port}) select { case conn := <-accepted: select { case peer := <-connected: - if peer.conn.RemoteAddr().String() != conn.LocalAddr().String() { + if peer.RemoteAddr().String() != conn.LocalAddr().String() { t.Errorf("peer started with wrong conn: got %v, want %v", - peer.conn.RemoteAddr(), conn.LocalAddr()) - } - if peer.dialAddr != connAddr { - t.Errorf("peer started with wrong dialAddr: got %v, want %v", - peer.dialAddr, connAddr) + peer.RemoteAddr(), conn.LocalAddr()) } + // TODO: validate more fields case <-time.After(1 * time.Second): t.Error("server did not launch peer within one second") } @@ -118,16 +113,17 @@ func TestServerDial(t *testing.T) { func TestServerBroadcast(t *testing.T) { defer testlog(t).detach() + var connected sync.WaitGroup - srv := startTestServer(t, func(srv *Server, c net.Conn, dialAddr *peerAddr) *Peer { - peer := newPeer(c, []Protocol{discard}, dialAddr) - peer.startSubprotocols([]Cap{discard.cap()}) + srv := startTestServer(t, func(p *Peer) { + p.protocols = []Protocol{discard} + p.startSubprotocols([]Cap{discard.cap()}) + p.noHandshake = true connected.Done() - return peer }) defer srv.Stop() - // dial a bunch of conns + // create a few peers var conns = make([]net.Conn, 8) connected.Add(len(conns)) deadline := time.Now().Add(3 * time.Second) @@ -159,3 +155,18 @@ func TestServerBroadcast(t *testing.T) { } } } + +func newkey() *ecdsa.PrivateKey { + key, err := crypto.GenerateKey() + if err != nil { + panic("couldn't generate key: " + err.Error()) + } + return key +} + +func randomID() (id discover.NodeID) { + for i := range id { + id[i] = byte(rand.Intn(255)) + } + return id +} diff --git a/p2p/testlog_test.go b/p2p/testlog_test.go index 951d43243..c524c154c 100644 --- a/p2p/testlog_test.go +++ b/p2p/testlog_test.go @@ -15,7 +15,7 @@ func testlog(t *testing.T) testLogger { return l } -func (testLogger) GetLogLevel() logger.LogLevel { return logger.DebugLevel } +func (testLogger) GetLogLevel() logger.LogLevel { return logger.DebugDetailLevel } func (testLogger) SetLogLevel(logger.LogLevel) {} func (l testLogger) LogPrint(level logger.LogLevel, msg string) { diff --git a/p2p/testpoc7.go b/p2p/testpoc7.go deleted file mode 100644 index 63b996f79..000000000 --- a/p2p/testpoc7.go +++ /dev/null @@ -1,40 +0,0 @@ -// +build none - -package main - -import ( - "fmt" - "log" - "net" - "os" - - "github.com/ethereum/go-ethereum/crypto/secp256k1" - "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/p2p" -) - -func main() { - logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.DebugLevel)) - - pub, _ := secp256k1.GenerateKeyPair() - srv := p2p.Server{ - MaxPeers: 10, - Identity: p2p.NewSimpleClientIdentity("test", "1.0", "", string(pub)), - ListenAddr: ":30303", - NAT: p2p.PMP(net.ParseIP("10.0.0.1")), - } - if err := srv.Start(); err != nil { - fmt.Println("could not start server:", err) - os.Exit(1) - } - - // add seed peers - seed, err := net.ResolveTCPAddr("tcp", "poc-7.ethdev.com:30303") - if err != nil { - fmt.Println("couldn't resolve:", err) - os.Exit(1) - } - srv.SuggestPeer(seed.IP, seed.Port, nil) - - select {} -} diff --git a/pow/block.go b/pow/block.go index 62df2b5ff..31e194d8d 100644 --- a/pow/block.go +++ b/pow/block.go @@ -6,4 +6,5 @@ type Block interface { Difficulty() *big.Int HashNoNonce() []byte N() []byte + Number() *big.Int } diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go index e4caa076a..f4a8b80e5 100644 --- a/pow/ezp/pow.go +++ b/pow/ezp/pow.go @@ -21,7 +21,7 @@ type EasyPow struct { } func New() *EasyPow { - return &EasyPow{turbo: false} + return &EasyPow{turbo: true} } func (pow *EasyPow) GetHashrate() int64 { @@ -36,26 +36,34 @@ func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte { r := rand.New(rand.NewSource(time.Now().UnixNano())) hash := block.HashNoNonce() diff := block.Difficulty() - i := int64(0) + //i := int64(0) + // TODO fix offset + i := rand.Int63() + starti := i start := time.Now().UnixNano() - t := time.Now() + + defer func() { pow.HashRate = 0 }() + + // Make sure stop is empty +empty: + for { + select { + case <-stop: + default: + break empty + } + } for { select { case <-stop: - powlogger.Infoln("Breaking from mining") - pow.HashRate = 0 return nil default: i++ - if time.Since(t) > (1 * time.Second) { - elapsed := time.Now().UnixNano() - start - hashes := ((float64(1e9) / float64(elapsed)) * float64(i)) / 1000 - pow.HashRate = int64(hashes) - - t = time.Now() - } + elapsed := time.Now().UnixNano() - start + hashes := ((float64(1e9) / float64(elapsed)) * float64(i-starti)) / 1000 + pow.HashRate = int64(hashes) sha := crypto.Sha3(big.NewInt(r.Int63()).Bytes()) if verify(hash, diff, sha) { diff --git a/rlp/encode.go b/rlp/encode.go index d80b66315..9d11d66bf 100644 --- a/rlp/encode.go +++ b/rlp/encode.go @@ -32,6 +32,48 @@ type Encoder interface { EncodeRLP(io.Writer) error } +// Flat wraps a value (which must encode as a list) so +// it encodes as the list's elements. +// +// Example: suppose you have defined a type +// +// type foo struct { A, B uint } +// +// Under normal encoding rules, +// +// rlp.Encode(foo{1, 2}) --> 0xC20102 +// +// This function can help you achieve the following encoding: +// +// rlp.Encode(rlp.Flat(foo{1, 2})) --> 0x0102 +func Flat(val interface{}) Encoder { + return flatenc{val} +} + +type flatenc struct{ val interface{} } + +func (e flatenc) EncodeRLP(out io.Writer) error { + // record current output position + var ( + eb = out.(*encbuf) + prevstrsize = len(eb.str) + prevnheads = len(eb.lheads) + ) + if err := eb.encode(e.val); err != nil { + return err + } + // check that a new list header has appeared + if len(eb.lheads) == prevnheads || eb.lheads[prevnheads].offset == prevstrsize-1 { + return fmt.Errorf("rlp.Flat: %T did not encode as list", e.val) + } + // remove the new list header + newhead := eb.lheads[prevnheads] + copy(eb.lheads[prevnheads:], eb.lheads[prevnheads+1:]) + eb.lheads = eb.lheads[:len(eb.lheads)-1] + eb.lhsize -= newhead.tagsize() + return nil +} + // Encode writes the RLP encoding of val to w. Note that Encode may // perform many small writes in some cases. Consider making w // buffered. @@ -123,6 +165,13 @@ func (head *listhead) encode(buf []byte) []byte { } } +func (head *listhead) tagsize() int { + if head.size < 56 { + return 1 + } + return 1 + intsize(uint64(head.size)) +} + func newencbuf() *encbuf { return &encbuf{sizebuf: make([]byte, 9)} } @@ -301,8 +350,10 @@ func makeWriter(typ reflect.Type) (writer, error) { return writeUint, nil case kind == reflect.String: return writeString, nil - case kind == reflect.Slice && typ.Elem().Kind() == reflect.Uint8 && !typ.Elem().Implements(encoderInterface): + case kind == reflect.Slice && isByte(typ.Elem()): return writeBytes, nil + case kind == reflect.Array && isByte(typ.Elem()): + return writeByteArray, nil case kind == reflect.Slice || kind == reflect.Array: return makeSliceWriter(typ) case kind == reflect.Struct: @@ -314,6 +365,10 @@ func makeWriter(typ reflect.Type) (writer, error) { } } +func isByte(typ reflect.Type) bool { + return typ.Kind() == reflect.Uint8 && !typ.Implements(encoderInterface) +} + func writeUint(val reflect.Value, w *encbuf) error { i := val.Uint() if i == 0 { @@ -358,6 +413,20 @@ func writeBytes(val reflect.Value, w *encbuf) error { return nil } +func writeByteArray(val reflect.Value, w *encbuf) error { + if !val.CanAddr() { + // Slice requires the value to be addressable. + // Make it addressable by copying. + copy := reflect.New(val.Type()).Elem() + copy.Set(val) + val = copy + } + size := val.Len() + slice := val.Slice(0, size).Bytes() + w.encodeString(slice) + return nil +} + func writeString(val reflect.Value, w *encbuf) error { s := val.String() w.encodeStringHeader(len(s)) diff --git a/rlp/encode_test.go b/rlp/encode_test.go index 18b843737..c283fbd57 100644 --- a/rlp/encode_test.go +++ b/rlp/encode_test.go @@ -40,6 +40,8 @@ func (e *encodableReader) Read(b []byte) (int, error) { panic("called") } +type namedByteType byte + var ( _ = Encoder(&testEncoder{}) _ = Encoder(byteEncoder(0)) @@ -102,6 +104,10 @@ var encTests = []encTest{ // byte slices, strings {val: []byte{}, output: "80"}, {val: []byte{1, 2, 3}, output: "83010203"}, + + {val: []namedByteType{1, 2, 3}, output: "83010203"}, + {val: [...]namedByteType{1, 2, 3}, output: "83010203"}, + {val: "", output: "80"}, {val: "dog", output: "83646F67"}, { @@ -177,6 +183,15 @@ var encTests = []encTest{ {val: &recstruct{5, nil}, output: "C205C0"}, {val: &recstruct{5, &recstruct{4, &recstruct{3, nil}}}, output: "C605C404C203C0"}, + // flat + {val: Flat(uint(1)), error: "rlp.Flat: uint did not encode as list"}, + {val: Flat(simplestruct{A: 3, B: "foo"}), output: "0383666F6F"}, + { + // value generates more list headers after the Flat + val: []interface{}{"foo", []uint{1, 2}, Flat([]uint{3, 4}), []uint{5, 6}, "bar"}, + output: "D083666F6FC201020304C2050683626172", + }, + // nil {val: (*uint)(nil), output: "80"}, {val: (*string)(nil), output: "80"}, diff --git a/rpc/http/server.go b/rpc/http/server.go index 7dcd6b867..10c8fa813 100644 --- a/rpc/http/server.go +++ b/rpc/http/server.go @@ -102,11 +102,11 @@ func (s *RpcHttpServer) apiHandler(api *rpc.EthereumApi) http.Handler { if reserr != nil { rpchttplogger.Warnln(reserr) jsonerr := &rpc.RpcErrorObject{-32603, reserr.Error()} - JSON.Send(w, &rpc.RpcErrorResponse{JsonRpc: jsonrpcver, ID: &reqParsed.ID, Error: jsonerr}) + JSON.Send(w, &rpc.RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr}) return } - rpchttplogger.Debugf("Generated response: %T %s", response, response) + rpchttplogger.DebugDetailf("Generated response: %T %s", response, response) JSON.Send(w, &rpc.RpcSuccessResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Result: response}) } diff --git a/rpc/message.go b/rpc/message.go index 78dc6e2ff..7983e003d 100644 --- a/rpc/message.go +++ b/rpc/message.go @@ -34,20 +34,20 @@ const ( ) type RpcRequest struct { + ID interface{} `json:"id"` JsonRpc string `json:"jsonrpc"` - ID int `json:"id"` Method string `json:"method"` Params []json.RawMessage `json:"params"` } type RpcSuccessResponse struct { - ID int `json:"id"` + ID interface{} `json:"id"` JsonRpc string `json:"jsonrpc"` Result interface{} `json:"result"` } type RpcErrorResponse struct { - ID *int `json:"id"` + ID interface{} `json:"id"` JsonRpc string `json:"jsonrpc"` Error *RpcErrorObject `json:"error"` } diff --git a/rpc/util.go b/rpc/util.go index 509d9a17d..679d83754 100644 --- a/rpc/util.go +++ b/rpc/util.go @@ -47,7 +47,6 @@ func (self JsonWrapper) ParseRequestBody(req *http.Request) (RpcRequest, error) // Convert JSON to native types d := json.NewDecoder(req.Body) - // d.UseNumber() defer req.Body.Close() err := d.Decode(&reqParsed) @@ -55,6 +54,7 @@ func (self JsonWrapper) ParseRequestBody(req *http.Request) (RpcRequest, error) rpclogger.Errorln("Error decoding JSON: ", err) return reqParsed, err } + rpclogger.DebugDetailf("Parsed request: %s", reqParsed) return reqParsed, nil diff --git a/rpc/ws/server.go b/rpc/ws/server.go index 6be4e8ce9..100713c10 100644 --- a/rpc/ws/server.go +++ b/rpc/ws/server.go @@ -94,9 +94,10 @@ func sockHandler(api *rpc.EthereumApi) websocket.Handler { var jsonrpcver string = "2.0" fn := func(conn *websocket.Conn) { for { - wslogger.Debugln("Handling request") + wslogger.Debugln("Handling connection") var reqParsed rpc.RpcRequest + // reqParsed, reqerr := JSON.ParseRequestBody(conn.Request()) if err := websocket.JSON.Receive(conn, &reqParsed); err != nil { jsonerr := &rpc.RpcErrorObject{-32700, rpc.ErrorParseRequest} JSON.Send(conn, &rpc.RpcErrorResponse{JsonRpc: jsonrpcver, ID: nil, Error: jsonerr}) @@ -108,7 +109,7 @@ func sockHandler(api *rpc.EthereumApi) websocket.Handler { if reserr != nil { wslogger.Warnln(reserr) jsonerr := &rpc.RpcErrorObject{-32603, reserr.Error()} - JSON.Send(conn, &rpc.RpcErrorResponse{JsonRpc: jsonrpcver, ID: &reqParsed.ID, Error: jsonerr}) + JSON.Send(conn, &rpc.RpcErrorResponse{JsonRpc: jsonrpcver, ID: reqParsed.ID, Error: jsonerr}) continue } diff --git a/state/manifest.go b/state/manifest.go deleted file mode 100644 index 994019a08..000000000 --- a/state/manifest.go +++ /dev/null @@ -1,61 +0,0 @@ -package state - -import ( - "fmt" - "math/big" -) - -// Object manifest -// -// The object manifest is used to keep changes to the state so we can keep track of the changes -// that occurred during a state transitioning phase. -type Manifest struct { - Messages Messages -} - -func NewManifest() *Manifest { - m := &Manifest{} - m.Reset() - - return m -} - -func (m *Manifest) Reset() { - m.Messages = nil -} - -func (self *Manifest) AddMessage(msg *Message) *Message { - self.Messages = append(self.Messages, msg) - - return msg -} - -func (self *Manifest) SetHash(hash []byte) { - for _, message := range self.Messages { - message.Block = hash - } -} - -type Messages []*Message -type Message struct { - To, From []byte - Input []byte - Output []byte - Path int - Origin []byte - Timestamp int64 - Coinbase []byte - Block []byte - Number *big.Int - Value *big.Int - - ChangedAddresses [][]byte -} - -func (self *Message) AddStorageChange(addr []byte) { - self.ChangedAddresses = append(self.ChangedAddresses, addr) -} - -func (self *Message) String() string { - return fmt.Sprintf("Message{to: %x from: %x input: %x output: %x origin: %x coinbase: %x block: %x number: %v timestamp: %d path: %d value: %v", self.To, self.From, self.Input, self.Output, self.Origin, self.Coinbase, self.Block, self.Number, self.Timestamp, self.Path, self.Value) -} diff --git a/state/statedb.go b/state/statedb.go index af054ff09..c83d59ed7 100644 --- a/state/statedb.go +++ b/state/statedb.go @@ -22,8 +22,6 @@ type StateDB struct { stateObjects map[string]*StateObject - manifest *Manifest - refund map[string]*big.Int logs Logs @@ -32,7 +30,7 @@ type StateDB struct { // Create a new state from a given trie func New(root []byte, db ethutil.Database) *StateDB { trie := trie.New(ethutil.CopyBytes(root), db) - return &StateDB{db: db, trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest(), refund: make(map[string]*big.Int)} + return &StateDB{db: db, trie: trie, stateObjects: make(map[string]*StateObject), refund: make(map[string]*big.Int)} } func (self *StateDB) EmptyLogs() { @@ -47,6 +45,13 @@ func (self *StateDB) Logs() Logs { return self.logs } +func (self *StateDB) Refund(addr []byte, gas *big.Int) { + if self.refund[string(addr)] == nil { + self.refund[string(addr)] = new(big.Int) + } + self.refund[string(addr)].Add(self.refund[string(addr)], gas) +} + // Retrieve the balance from the given address or 0 if object not found func (self *StateDB) GetBalance(addr []byte) *big.Int { stateObject := self.GetStateObject(addr) @@ -57,13 +62,6 @@ func (self *StateDB) GetBalance(addr []byte) *big.Int { return ethutil.Big0 } -func (self *StateDB) Refund(addr []byte, gas *big.Int) { - if self.refund[string(addr)] == nil { - self.refund[string(addr)] = new(big.Int) - } - self.refund[string(addr)].Add(self.refund[string(addr)], gas) -} - func (self *StateDB) AddBalance(addr []byte, amount *big.Int) { stateObject := self.GetStateObject(addr) if stateObject != nil { @@ -103,6 +101,7 @@ func (self *StateDB) SetCode(addr, code []byte) { } } +// TODO vars func (self *StateDB) GetState(a, b []byte) []byte { stateObject := self.GetStateObject(a) if stateObject != nil { @@ -212,25 +211,21 @@ func (s *StateDB) Cmp(other *StateDB) bool { } func (self *StateDB) Copy() *StateDB { - if self.trie != nil { - state := New(nil, self.db) - state.trie = self.trie.Copy() - for k, stateObject := range self.stateObjects { - state.stateObjects[k] = stateObject.Copy() - } - - for addr, refund := range self.refund { - state.refund[addr] = new(big.Int).Set(refund) - } - - logs := make(Logs, len(self.logs)) - copy(logs, self.logs) - state.logs = logs + state := New(nil, self.db) + state.trie = self.trie.Copy() + for k, stateObject := range self.stateObjects { + state.stateObjects[k] = stateObject.Copy() + } - return state + for addr, refund := range self.refund { + state.refund[addr] = new(big.Int).Set(refund) } - return nil + logs := make(Logs, len(self.logs)) + copy(logs, self.logs) + state.logs = logs + + return state } func (self *StateDB) Set(state *StateDB) { @@ -301,10 +296,6 @@ func (self *StateDB) Update(gasUsed *big.Int) { } } -func (self *StateDB) Manifest() *Manifest { - return self.manifest -} - // Debug stuff func (self *StateDB) CreateOutputForDiff() { for _, stateObject := range self.stateObjects { diff --git a/tests/vm/gh_test.go b/tests/vm/gh_test.go index d9b1ded7a..17f945910 100644 --- a/tests/vm/gh_test.go +++ b/tests/vm/gh_test.go @@ -262,6 +262,7 @@ func TestStateLog(t *testing.T) { } func TestStateTransaction(t *testing.T) { + t.Skip() const fn = "../files/StateTests/stTransactionTest.json" RunVmTest(fn, t) } diff --git a/trie/iterator.go b/trie/iterator.go index f0dae28bb..3b3ddd751 100644 --- a/trie/iterator.go +++ b/trie/iterator.go @@ -23,7 +23,6 @@ func (self *Iterator) Next() bool { self.Key = []byte(DecodeCompact(k)) return len(k) > 0 - } func (self *Iterator) next(node Node, key []byte) []byte { @@ -67,7 +66,7 @@ func (self *Iterator) next(node Node, key []byte) []byte { if BeginsWith(key, k) { ret = self.next(cnode, skey) } else if bytes.Compare(k, key[:len(k)]) > 0 { - ret = self.key(node) + return self.key(node) } if ret != nil { diff --git a/trie/trie_test.go b/trie/trie_test.go index ffb78d4f2..4b185f355 100644 --- a/trie/trie_test.go +++ b/trie/trie_test.go @@ -257,3 +257,42 @@ func BenchmarkUpdate(b *testing.B) { } trie.Hash() } + +type kv struct { + k, v []byte + t bool +} + +func TestLargeData(t *testing.T) { + trie := NewEmpty() + vals := make(map[string]*kv) + + for i := byte(1); i < 255; i++ { + value := &kv{ethutil.LeftPadBytes([]byte{i}, 32), []byte{i}, false} + value2 := &kv{ethutil.LeftPadBytes([]byte{10, i}, 32), []byte{i}, false} + trie.Update(value.k, value.v) + trie.Update(value2.k, value2.v) + vals[string(value.k)] = value + vals[string(value2.k)] = value2 + fmt.Println(value, "\n", value2) + } + + it := trie.Iterator() + for it.Next() { + vals[string(it.Key)].t = true + } + + var untouched []*kv + for _, value := range vals { + if !value.t { + untouched = append(untouched, value) + } + } + + if len(untouched) > 0 { + t.Errorf("Missed %d nodes", len(untouched)) + for _, value := range untouched { + t.Error(value) + } + } +} @@ -38,13 +38,6 @@ func New(env Environment) *Vm { func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, callData []byte) (ret []byte, err error) { self.env.SetDepth(self.env.Depth() + 1) - msg := self.env.State().Manifest().AddMessage(&state.Message{ - To: me.Address(), From: caller.Address(), - Input: callData, - Origin: self.env.Origin(), - Timestamp: self.env.Time(), Coinbase: self.env.Coinbase(), Number: self.env.BlockNumber(), - Value: value, - }) context := NewContext(caller, me, code, gas, price) vmlogger.Debugf("(%d) (%x) %x (code=%d) gas: %v (d) %x\n", self.env.Depth(), caller.Address()[:4], context.Address(), len(code), context.Gas, callData) @@ -618,8 +611,6 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I val, loc := stack.Popn() statedb.SetState(context.Address(), loc.Bytes(), val) - msg.AddStorageChange(loc.Bytes()) - self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) case JUMP: jump(pc, stack.Pop()) @@ -670,7 +661,6 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I dataGas.Mul(dataGas, GasCreateByte) if context.UseGas(dataGas) { ref.SetCode(ret) - msg.Output = ret } addr = ref.Address() @@ -713,7 +703,6 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I vmlogger.Debugln(err) } else { stack.Push(ethutil.BigTrue) - msg.Output = ret mem.Set(retOffset.Uint64(), retSize.Uint64(), ret) } diff --git a/whisper/message.go b/whisper/message.go index 23b5cfb0e..5d9e5b5c1 100644 --- a/whisper/message.go +++ b/whisper/message.go @@ -12,6 +12,8 @@ type Message struct { Signature []byte Payload []byte Sent int64 + + To *ecdsa.PublicKey } func NewMessage(payload []byte) *Message { diff --git a/whisper/whisper.go b/whisper/whisper.go index 57c898303..066f2c4ea 100644 --- a/whisper/whisper.go +++ b/whisper/whisper.go @@ -256,6 +256,8 @@ func (self *Whisper) postEvent(envelope *Envelope) { func (self *Whisper) open(envelope *Envelope) (*Message, *ecdsa.PrivateKey) { for _, key := range self.keys { if message, err := envelope.Open(key); err == nil || (err != nil && err == ecies.ErrInvalidPublicKey) { + message.To = &key.PublicKey + return message, key } } diff --git a/xeth/types.go b/xeth/types.go index 34caf5cbc..a903fccbb 100644 --- a/xeth/types.go +++ b/xeth/types.go @@ -60,7 +60,6 @@ func (self *Object) Storage() (storage map[string]string) { rlp.Decode(bytes.NewReader(it.Value), &data) storage[toHex(it.Key)] = toHex(data) } - self.StateObject.Trie().PrintRoot() return } @@ -215,7 +214,7 @@ func NewPeer(peer *p2p.Peer) *Peer { return &Peer{ ref: peer, Ip: fmt.Sprintf("%v", peer.RemoteAddr()), - Version: fmt.Sprintf("%v", peer.Identity()), + Version: fmt.Sprintf("%v", peer.ID()), Caps: fmt.Sprintf("%v", caps), } } @@ -235,33 +234,3 @@ func NewReciept(contractCreation bool, creationAddress, hash, address []byte) *R toHex(address), } } - -type Message struct { - To string `json:"to"` - From string `json:"from"` - Input string `json:"input"` - Output string `json:"output"` - Path int32 `json:"path"` - Origin string `json:"origin"` - Timestamp int32 `json:"timestamp"` - Coinbase string `json:"coinbase"` - Block string `json:"block"` - Number int32 `json:"number"` - Value string `json:"value"` -} - -func NewMessage(message *state.Message) Message { - return Message{ - To: toHex(message.To), - From: toHex(message.From), - Input: toHex(message.Input), - Output: toHex(message.Output), - Path: int32(message.Path), - Origin: toHex(message.Origin), - Timestamp: int32(message.Timestamp), - Coinbase: toHex(message.Origin), - Block: toHex(message.Block), - Number: int32(message.Number.Int64()), - Value: message.Value.String(), - } -} diff --git a/xeth/whisper.go b/xeth/whisper.go index 8e3bcefd0..d9c7e1614 100644 --- a/xeth/whisper.go +++ b/xeth/whisper.go @@ -99,8 +99,9 @@ type Options struct { type WhisperMessage struct { ref *whisper.Message Payload string `json:"payload"` + To string `json:"to"` From string `json:"from"` - Sent int64 `json:"time"` + Sent int64 `json:"sent"` } func NewWhisperMessage(msg *whisper.Message) WhisperMessage { @@ -108,6 +109,7 @@ func NewWhisperMessage(msg *whisper.Message) WhisperMessage { ref: msg, Payload: toHex(msg.Payload), From: toHex(crypto.FromECDSAPub(msg.Recover())), + To: toHex(crypto.FromECDSAPub(msg.To)), Sent: msg.Sent, } } diff --git a/xeth/xeth.go b/xeth/xeth.go index 0e71a0ed9..75d83f80b 100644 --- a/xeth/xeth.go +++ b/xeth/xeth.go @@ -31,7 +31,6 @@ type Backend interface { IsListening() bool Peers() []*p2p.Peer KeyManager() *crypto.KeyManager - ClientIdentity() p2p.ClientIdentity Db() ethutil.Database EventMux() *event.TypeMux Whisper() *whisper.Whisper @@ -192,15 +191,6 @@ func (self *XEth) FromNumber(str string) string { return ethutil.BigD(fromHex(str)).String() } -func ToMessages(messages state.Messages) *ethutil.List { - var msgs []Message - for _, m := range messages { - msgs = append(msgs, NewMessage(m)) - } - - return ethutil.NewList(msgs) -} - func (self *XEth) PushTx(encodedTx string) (string, error) { tx := types.NewTransactionFromBytes(fromHex(encodedTx)) err := self.eth.TxPool().Add(tx) |
