diff options
Diffstat (limited to 'common')
42 files changed, 1736 insertions, 449 deletions
diff --git a/common/big.go b/common/big.go index 05d56daba..ec936b5bc 100644 --- a/common/big.go +++ b/common/big.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import "math/big" diff --git a/common/big_test.go b/common/big_test.go index cedbaf144..df8dfd980 100644 --- a/common/big_test.go +++ b/common/big_test.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/bytes.go b/common/bytes.go index d279156b4..a65c0122b 100644 --- a/common/bytes.go +++ b/common/bytes.go @@ -1,3 +1,20 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + +// Package common contains various helper functions. package common import ( diff --git a/common/bytes_test.go b/common/bytes_test.go index 069af984c..4e7c63941 100644 --- a/common/bytes_test.go +++ b/common/bytes_test.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/compiler/solidity.go b/common/compiler/solidity.go index caf86974e..e1869cc3b 100644 --- a/common/compiler/solidity.go +++ b/common/compiler/solidity.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package compiler import ( @@ -185,12 +201,12 @@ func (sol *Solidity) Compile(source string) (contracts map[string]*Contract, err return } -func ExtractInfo(contract *Contract, filename string) (contenthash common.Hash, err error) { - contractInfo, err := json.Marshal(contract.Info) +func SaveInfo(info *ContractInfo, filename string) (contenthash common.Hash, err error) { + infojson, err := json.Marshal(info) if err != nil { return } - contenthash = common.BytesToHash(crypto.Sha3(contractInfo)) - err = ioutil.WriteFile(filename, contractInfo, 0600) + contenthash = common.BytesToHash(crypto.Sha3(infojson)) + err = ioutil.WriteFile(filename, infojson, 0600) return } diff --git a/common/compiler/solidity_test.go b/common/compiler/solidity_test.go index 59b6b6cd6..49772cd2e 100644 --- a/common/compiler/solidity_test.go +++ b/common/compiler/solidity_test.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package compiler import ( @@ -72,19 +88,15 @@ func TestNoCompiler(t *testing.T) { } } -func TestExtractInfo(t *testing.T) { +func TestSaveInfo(t *testing.T) { var cinfo ContractInfo err := json.Unmarshal([]byte(info), &cinfo) if err != nil { t.Errorf("%v", err) } - contract := &Contract{ - Code: "", - Info: cinfo, - } filename := "/tmp/solctest.info.json" os.Remove(filename) - cinfohash, err := ExtractInfo(contract, filename) + cinfohash, err := SaveInfo(&cinfo, filename) if err != nil { t.Errorf("error extracting info: %v", err) } diff --git a/common/config.go b/common/config.go index 23a902bc1..f5507d3e9 100644 --- a/common/config.go +++ b/common/config.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/db.go b/common/db.go index 7f3becd5a..2d484482e 100644 --- a/common/db.go +++ b/common/db.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common // Database interface diff --git a/common/debug.go b/common/debug.go index 69675cc6c..be4e3d36c 100644 --- a/common/debug.go +++ b/common/debug.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/docserver/docserver.go b/common/docserver/docserver.go index 5e076aa7e..3a3343909 100644 --- a/common/docserver/docserver.go +++ b/common/docserver/docserver.go @@ -1,37 +1,45 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package docserver import ( "fmt" "io/ioutil" "net/http" + "path/filepath" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/crypto" ) -// http://golang.org/pkg/net/http/#RoundTripper -var ( - schemes = map[string]func(*DocServer) http.RoundTripper{ - // Simple File server from local disk file:///etc/passwd :) - "file": fileServerOnDocRoot, - } -) - -func fileServerOnDocRoot(ds *DocServer) http.RoundTripper { - return http.NewFileTransport(http.Dir(ds.DocRoot)) -} - type DocServer struct { *http.Transport DocRoot string + schemes []string } -func New(docRoot string) (self *DocServer, err error) { +func New(docRoot string) (self *DocServer) { self = &DocServer{ Transport: &http.Transport{}, DocRoot: docRoot, + schemes: []string{"file"}, } - err = self.RegisterProtocols(schemes) + self.DocRoot = "/tmp/" + self.RegisterProtocol("file", http.NewFileTransport(http.Dir(self.DocRoot))) return } @@ -45,16 +53,44 @@ func (self *DocServer) Client() *http.Client { } } -func (self *DocServer) RegisterProtocols(schemes map[string]func(*DocServer) http.RoundTripper) (err error) { - for scheme, rtf := range schemes { - self.RegisterProtocol(scheme, rtf(self)) +func (self *DocServer) RegisterScheme(scheme string, rt http.RoundTripper) { + self.schemes = append(self.schemes, scheme) + self.RegisterProtocol(scheme, rt) +} + +func (self *DocServer) HasScheme(scheme string) bool { + for _, s := range self.schemes { + if s == scheme { + return true + } } - return + return false } func (self *DocServer) GetAuthContent(uri string, hash common.Hash) (content []byte, err error) { // retrieve content + content, err = self.Get(uri, "") + if err != nil { + return + } + + // check hash to authenticate content + chash := crypto.Sha3Hash(content) + if chash != hash { + content = nil + err = fmt.Errorf("content hash mismatch %x != %x (exp)", hash[:], chash[:]) + } + + return + +} + +// Get(uri, path) downloads the document at uri, if path is non-empty it +// is interpreted as a filepath to which the contents are saved +func (self *DocServer) Get(uri, path string) (content []byte, err error) { + // retrieve content resp, err := self.Client().Get(uri) + defer func() { if resp != nil { resp.Body.Close() @@ -68,13 +104,10 @@ func (self *DocServer) GetAuthContent(uri string, hash common.Hash) (content []b return } - // check hash to authenticate content - hashbytes := crypto.Sha3(content) - var chash common.Hash - copy(chash[:], hashbytes) - if chash != hash { - content = nil - err = fmt.Errorf("content hash mismatch") + if path != "" { + var abspath string + abspath, err = filepath.Abs(path) + ioutil.WriteFile(abspath, content, 0700) } return diff --git a/common/docserver/docserver_test.go b/common/docserver/docserver_test.go index 400d7447a..136ec9ccc 100644 --- a/common/docserver/docserver_test.go +++ b/common/docserver/docserver_test.go @@ -1,7 +1,24 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package docserver import ( "io/ioutil" + "net/http" "os" "testing" @@ -15,7 +32,7 @@ func TestGetAuthContent(t *testing.T) { copy(hash[:], crypto.Sha3([]byte(text))) ioutil.WriteFile("/tmp/test.content", []byte(text), os.ModePerm) - ds, err := New("/tmp/") + ds := New("/tmp/") content, err := ds.GetAuthContent("file:///test.content", hash) if err != nil { t.Errorf("no error expected, got %v", err) @@ -26,7 +43,7 @@ func TestGetAuthContent(t *testing.T) { hash = common.Hash{} content, err = ds.GetAuthContent("file:///test.content", hash) - expected := "content hash mismatch" + expected := "content hash mismatch 0000000000000000000000000000000000000000000000000000000000000000 != 9c22ff5f21f0b81b113e63f7db6da94fedef11b2119b4088b89664fb9a3cb658 (exp)" if err == nil { t.Errorf("expected error, got nothing") } else { @@ -36,3 +53,18 @@ func TestGetAuthContent(t *testing.T) { } } + +type rt struct{} + +func (rt) RoundTrip(req *http.Request) (resp *http.Response, err error) { return } + +func TestRegisterScheme(t *testing.T) { + ds := New("/tmp/") + if ds.HasScheme("scheme") { + t.Errorf("expected scheme not to be registered") + } + ds.RegisterScheme("scheme", rt{}) + if !ds.HasScheme("scheme") { + t.Errorf("expected scheme to be registered") + } +} diff --git a/common/list.go b/common/list.go index 594a8a24b..4370d69fe 100644 --- a/common/list.go +++ b/common/list.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/main_test.go b/common/main_test.go index 2bed278e6..c1efb848b 100644 --- a/common/main_test.go +++ b/common/main_test.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/math/dist.go b/common/math/dist.go index 0a0731971..93b1635e4 100644 --- a/common/math/dist.go +++ b/common/math/dist.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package math import ( diff --git a/common/math/dist_test.go b/common/math/dist_test.go index 90e302f44..d2e3650b4 100644 --- a/common/math/dist_test.go +++ b/common/math/dist_test.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package math import ( diff --git a/common/natspec/natspec.go b/common/natspec/natspec.go index 7e5f053c7..ed16d62a0 100644 --- a/common/natspec/natspec.go +++ b/common/natspec/natspec.go @@ -1,17 +1,33 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package natspec import ( "bytes" "encoding/json" "fmt" - "github.com/robertkrimen/otto" "strings" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common/docserver" - "github.com/ethereum/go-ethereum/common/resolver" + "github.com/ethereum/go-ethereum/common/registrar" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/xeth" + "github.com/robertkrimen/otto" ) type abi2method map[[8]byte]*method @@ -88,7 +104,7 @@ func New(xeth *xeth.XEth, jsontx string, http *docserver.DocServer) (self *NatSp } // also called by admin.contractInfo.get -func FetchDocsForContract(contractAddress string, xeth *xeth.XEth, http *docserver.DocServer) (content []byte, err error) { +func FetchDocsForContract(contractAddress string, xeth *xeth.XEth, ds *docserver.DocServer) (content []byte, err error) { // retrieve contract hash from state codehex := xeth.CodeAt(contractAddress) codeb := xeth.CodeAtBytes(contractAddress) @@ -99,20 +115,32 @@ func FetchDocsForContract(contractAddress string, xeth *xeth.XEth, http *docserv } codehash := common.BytesToHash(crypto.Sha3(codeb)) // set up nameresolver with natspecreg + urlhint contract addresses - res := resolver.New(xeth) + reg := registrar.New(xeth) // resolve host via HashReg/UrlHint Resolver - uri, hash, err := res.KeyToUrl(codehash) + hash, err := reg.HashToHash(codehash) if err != nil { return } + if ds.HasScheme("bzz") { + content, err = ds.Get("bzz://"+hash.Hex()[2:], "") + if err == nil { // non-fatal + return + } + err = nil + //falling back to urlhint + } - // get content via http client and authenticate content using hash - content, err = http.GetAuthContent(uri, hash) + uri, err := reg.HashToUrl(hash) if err != nil { return } + // get content via http client and authenticate content using hash + content, err = ds.GetAuthContent(uri, hash) + if err != nil { + return + } return } diff --git a/common/natspec/natspec_e2e_test.go b/common/natspec/natspec_e2e_test.go index 7e9172649..0cbe040c0 100644 --- a/common/natspec/natspec_e2e_test.go +++ b/common/natspec/natspec_e2e_test.go @@ -1,18 +1,36 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package natspec import ( "fmt" "io/ioutil" + "math/big" "os" + "runtime" "strings" "testing" + "time" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common/docserver" - "github.com/ethereum/go-ethereum/common/resolver" + "github.com/ethereum/go-ethereum/common/registrar" "github.com/ethereum/go-ethereum/core" - "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/eth" xe "github.com/ethereum/go-ethereum/xeth" @@ -73,13 +91,10 @@ const ( ) type testFrontend struct { - t *testing.T - // resolver *resolver.Resolver + t *testing.T ethereum *eth.Ethereum xeth *xe.XEth - coinbase common.Address - stateDb *state.StateDB - txc uint64 + wait chan *big.Int lastConfirm string wantNatSpec bool } @@ -91,10 +106,7 @@ func (self *testFrontend) UnlockAccount(acc []byte) bool { func (self *testFrontend) ConfirmTransaction(tx string) bool { if self.wantNatSpec { - ds, err := docserver.New("/tmp/") - if err != nil { - self.t.Errorf("Error creating DocServer: %v", err) - } + ds := docserver.New("/tmp/") self.lastConfirm = GetNotice(self.xeth, tx, ds) } return true @@ -128,6 +140,8 @@ func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) { DataDir: "/tmp/eth-natspec", AccountManager: am, MaxPeers: 0, + PowTest: true, + Etherbase: common.HexToAddress(testAddress), }) if err != nil { @@ -153,30 +167,41 @@ func testInit(t *testing.T) (self *testFrontend) { // mock frontend self = &testFrontend{t: t, ethereum: ethereum} self.xeth = xe.New(ethereum, self) - - addr, _ := ethereum.Etherbase() - self.coinbase = addr - self.stateDb = self.ethereum.ChainManager().State().Copy() + self.wait = self.xeth.UpdateState() + addr, _ := self.ethereum.Etherbase() // initialise the registry contracts - // self.resolver.CreateContracts(addr) - resolver.New(self.xeth).CreateContracts(addr) - self.applyTxs() - // t.Logf("HashReg contract registered at %v", resolver.HashRegContractAddress) - // t.Logf("URLHint contract registered at %v", resolver.UrlHintContractAddress) + reg := registrar.New(self.xeth) + var registrarTxhash, hashRegTxhash, urlHintTxhash string + registrarTxhash, err = reg.SetGlobalRegistrar("", addr) + if err != nil { + t.Errorf("error creating GlobalRegistrar: %v", err) + } - return + hashRegTxhash, err = reg.SetHashReg("", addr) + if err != nil { + t.Errorf("error creating HashReg: %v", err) + } + urlHintTxhash, err = reg.SetUrlHint("", addr) + if err != nil { + t.Errorf("error creating UrlHint: %v", err) + } + if !processTxs(self, t, 3) { + t.Errorf("error mining txs") + } + _ = registrarTxhash + _ = hashRegTxhash + _ = urlHintTxhash -} + /* TODO: + * lookup receipt and contract addresses by tx hash + * name registration for HashReg and UrlHint addresses + * mine those transactions + * then set once more SetHashReg SetUrlHint + */ -// this is needed for transaction to be applied to the state in testing -// the heavy lifing is done in XEth.ApplyTestTxs -// this is fragile, -// and does process leaking since xeth loops cannot quit safely -// should be replaced by proper mining with testDAG for easy full integration tests -func (self *testFrontend) applyTxs() { - self.txc, self.xeth = self.xeth.ApplyTestTxs(self.stateDb, self.coinbase, self.txc) return + } // end to end test @@ -185,54 +210,63 @@ func TestNatspecE2E(t *testing.T) { tf := testInit(t) defer tf.ethereum.Stop() + addr, _ := tf.ethereum.Etherbase() // create a contractInfo file (mock cloud-deployed contract metadocs) // incidentally this is the info for the registry contract itself ioutil.WriteFile("/tmp/"+testFileName, []byte(testContractInfo), os.ModePerm) - dochash := common.BytesToHash(crypto.Sha3([]byte(testContractInfo))) + dochash := crypto.Sha3Hash([]byte(testContractInfo)) // take the codehash for the contract we wanna test - // codehex := tf.xeth.CodeAt(resolver.HashRegContractAddress) - codeb := tf.xeth.CodeAtBytes(resolver.HashRegContractAddress) - codehash := common.BytesToHash(crypto.Sha3(codeb)) + codeb := tf.xeth.CodeAtBytes(registrar.HashRegAddr) + codehash := crypto.Sha3Hash(codeb) // use resolver to register codehash->dochash->url - registry := resolver.New(tf.xeth) - _, err := registry.Register(tf.coinbase, codehash, dochash, "file:///"+testFileName) + // test if globalregistry works + // registrar.HashRefAddr = "0x0" + // registrar.UrlHintAddr = "0x0" + reg := registrar.New(tf.xeth) + _, err := reg.SetHashToHash(addr, codehash, dochash) if err != nil { t.Errorf("error registering: %v", err) } - // apply txs to the state - tf.applyTxs() + _, err = reg.SetUrlToHash(addr, dochash, "file:///"+testFileName) + if err != nil { + t.Errorf("error registering: %v", err) + } + if !processTxs(tf, t, 5) { + return + } // NatSpec info for register method of HashReg contract installed // now using the same transactions to check confirm messages tf.wantNatSpec = true // this is set so now the backend uses natspec confirmation - _, err = registry.RegisterContentHash(tf.coinbase, codehash, dochash) + _, err = reg.SetHashToHash(addr, codehash, dochash) if err != nil { t.Errorf("error calling contract registry: %v", err) } + fmt.Printf("GlobalRegistrar: %v, HashReg: %v, UrlHint: %v\n", registrar.GlobalRegistrarAddr, registrar.HashRegAddr, registrar.UrlHintAddr) if tf.lastConfirm != testExpNotice { - t.Errorf("Wrong confirm message. expected '%v', got '%v'", testExpNotice, tf.lastConfirm) + t.Errorf("Wrong confirm message. expected\n'%v', got\n'%v'", testExpNotice, tf.lastConfirm) } // test unknown method - exp := fmt.Sprintf(testExpNotice2, resolver.HashRegContractAddress) - _, err = registry.SetOwner(tf.coinbase) + exp := fmt.Sprintf(testExpNotice2, registrar.HashRegAddr) + _, err = reg.SetOwner(addr) if err != nil { t.Errorf("error setting owner: %v", err) } if tf.lastConfirm != exp { - t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm) + t.Errorf("Wrong confirm message, expected\n'%v', got\n'%v'", exp, tf.lastConfirm) } // test unknown contract - exp = fmt.Sprintf(testExpNotice3, resolver.UrlHintContractAddress) + exp = fmt.Sprintf(testExpNotice3, registrar.UrlHintAddr) - _, err = registry.RegisterUrl(tf.coinbase, dochash, "file:///test.content") + _, err = reg.SetUrlToHash(addr, dochash, "file:///test.content") if err != nil { t.Errorf("error registering: %v", err) } @@ -242,3 +276,63 @@ func TestNatspecE2E(t *testing.T) { } } + +func pendingTransactions(repl *testFrontend, t *testing.T) (txc int64, err error) { + txs := repl.ethereum.TxPool().GetTransactions() + return int64(len(txs)), nil +} + +func processTxs(repl *testFrontend, t *testing.T, expTxc int) bool { + var txc int64 + var err error + for i := 0; i < 50; i++ { + txc, err = pendingTransactions(repl, t) + if err != nil { + t.Errorf("unexpected error checking pending transactions: %v", err) + return false + } + if expTxc < int(txc) { + t.Errorf("too many pending transactions: expected %v, got %v", expTxc, txc) + return false + } else if expTxc == int(txc) { + break + } + time.Sleep(100 * time.Millisecond) + } + if int(txc) != expTxc { + t.Errorf("incorrect number of pending transactions, expected %v, got %v", expTxc, txc) + return false + } + + err = repl.ethereum.StartMining(runtime.NumCPU()) + if err != nil { + t.Errorf("unexpected error mining: %v", err) + return false + } + defer repl.ethereum.StopMining() + + timer := time.NewTimer(100 * time.Second) + height := new(big.Int).Add(repl.xeth.CurrentBlock().Number(), big.NewInt(1)) + repl.wait <- height + select { + case <-timer.C: + // if times out make sure the xeth loop does not block + go func() { + select { + case repl.wait <- nil: + case <-repl.wait: + } + }() + case <-repl.wait: + } + txc, err = pendingTransactions(repl, t) + if err != nil { + t.Errorf("unexpected error checking pending transactions: %v", err) + return false + } + if txc != 0 { + t.Errorf("%d trasactions were not mined", txc) + return false + } + return true +} diff --git a/common/natspec/natspec_e2e_test.go.orig b/common/natspec/natspec_e2e_test.go.orig new file mode 100644 index 000000000..ae8e17ad9 --- /dev/null +++ b/common/natspec/natspec_e2e_test.go.orig @@ -0,0 +1,253 @@ +package natspec + +import ( + "fmt" + "io/ioutil" + "os" + "strings" + "testing" + + "github.com/ethereum/go-ethereum/accounts" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/docserver" + "github.com/ethereum/go-ethereum/common/registrar" + "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/core/state" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/eth" + xe "github.com/ethereum/go-ethereum/xeth" +) + +const ( + testBalance = "10000000000000000000" + + testFileName = "long_file_name_for_testing_registration_of_URLs_longer_than_32_bytes.content" + + testNotice = "Register key `utils.toHex(_key)` <- content `utils.toHex(_content)`" + + testExpNotice = "Register key 0xadd1a7d961cff0242089674ec2ef6fca671ab15e1fe80e38859fc815b98d88ab <- content 0xb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7" + + testExpNotice2 = `About to submit transaction (NatSpec notice error: abi key does not match any method): {"params":[{"to":"%s","data": "0x31e12c20"}]}` + + testExpNotice3 = `About to submit transaction (no NatSpec info found for contract: content hash not found for '0x1392c62d05b2d149e22a339c531157ae06b44d39a674cce500064b12b9aeb019'): {"params":[{"to":"%s","data": "0x300a3bbfb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000066696c653a2f2f2f746573742e636f6e74656e74"}]}` +) + +const ( + testUserDoc = ` +{ + "methods": { + "register(uint256,uint256)": { + "notice": "` + testNotice + `" + } + }, + "invariants": [ + { "notice": "" } + ], + "construction": [ + { "notice": "" } + ] +} +` + testAbiDefinition = ` +[{ + "name": "register", + "constant": false, + "type": "function", + "inputs": [{ + "name": "_key", + "type": "uint256" + }, { + "name": "_content", + "type": "uint256" + }], + "outputs": [] +}] +` + + testContractInfo = ` +{ + "userDoc": ` + testUserDoc + `, + "abiDefinition": ` + testAbiDefinition + ` +} +` +) + +type testFrontend struct { + t *testing.T + ethereum *eth.Ethereum + xeth *xe.XEth + coinbase common.Address + stateDb *state.StateDB + txc uint64 + lastConfirm string + wantNatSpec bool +} + +func (self *testFrontend) UnlockAccount(acc []byte) bool { + self.ethereum.AccountManager().Unlock(common.BytesToAddress(acc), "password") + return true +} + +func (self *testFrontend) ConfirmTransaction(tx string) bool { + if self.wantNatSpec { + ds := docserver.New("/tmp/") + self.lastConfirm = GetNotice(self.xeth, tx, ds) + } + return true +} + +func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) { + + os.RemoveAll("/tmp/eth-natspec/") + + err = os.MkdirAll("/tmp/eth-natspec/keystore", os.ModePerm) + if err != nil { + panic(err) + } + + // create a testAddress + ks := crypto.NewKeyStorePassphrase("/tmp/eth-natspec/keystore") + am := accounts.NewManager(ks) + testAccount, err := am.NewAccount("password") + if err != nil { + panic(err) + } + testAddress := strings.TrimPrefix(testAccount.Address.Hex(), "0x") + + // set up mock genesis with balance on the testAddress + core.GenesisAccounts = []byte(`{ + "` + testAddress + `": {"balance": "` + testBalance + `"} + }`) + + // only use minimalistic stack with no networking + ethereum, err = eth.New(ð.Config{ + DataDir: "/tmp/eth-natspec", + AccountManager: am, + MaxPeers: 0, + }) + + if err != nil { + panic(err) + } + + return +} + +func testInit(t *testing.T) (self *testFrontend) { + // initialise and start minimal ethereum stack + ethereum, err := testEth(t) + if err != nil { + t.Errorf("error creating ethereum: %v", err) + return + } + err = ethereum.Start() + if err != nil { + t.Errorf("error starting ethereum: %v", err) + return + } + + // mock frontend + self = &testFrontend{t: t, ethereum: ethereum} + self.xeth = xe.New(ethereum, self) + + addr, _ := ethereum.Etherbase() + self.coinbase = addr + self.stateDb = self.ethereum.ChainManager().State().Copy() + + // initialise the registry contracts + reg := registrar.New(self.xeth) + err = reg.SetHashReg("", addr) + if err != nil { + t.Errorf("error creating HashReg: %v", err) + } + err = reg.SetUrlHint("", addr) + if err != nil { + t.Errorf("error creating UrlHint: %v", err) + } + self.applyTxs() + + return + +} + +// this is needed for transaction to be applied to the state in testing +// the heavy lifing is done in XEth.ApplyTestTxs +// this is fragile, +// and does process leaking since xeth loops cannot quit safely +// should be replaced by proper mining with testDAG for easy full integration tests +func (self *testFrontend) applyTxs() { + self.txc, self.xeth = self.xeth.ApplyTestTxs(self.stateDb, self.coinbase, self.txc) + return +} + +// end to end test +func TestNatspecE2E(t *testing.T) { + t.Skip() + + tf := testInit(t) + defer tf.ethereum.Stop() + + // create a contractInfo file (mock cloud-deployed contract metadocs) + // incidentally this is the info for the registry contract itself + ioutil.WriteFile("/tmp/"+testFileName, []byte(testContractInfo), os.ModePerm) + dochash := common.BytesToHash(crypto.Sha3([]byte(testContractInfo))) + + // take the codehash for the contract we wanna test + // codehex := tf.xeth.CodeAt(registar.HashRegAddr) + codeb := tf.xeth.CodeAtBytes(registrar.HashRegAddr) + codehash := common.BytesToHash(crypto.Sha3(codeb)) + + // use resolver to register codehash->dochash->url + // test if globalregistry works + // registrar.HashRefAddr = "0x0" + // registrar.UrlHintAddr = "0x0" + reg := registrar.New(tf.xeth) + _, err := reg.SetHashToHash(tf.coinbase, codehash, dochash) + if err != nil { + t.Errorf("error registering: %v", err) + } + _, err = reg.SetUrlToHash(tf.coinbase, dochash, "file:///"+testFileName) + if err != nil { + t.Errorf("error registering: %v", err) + } + // apply txs to the state + tf.applyTxs() + + // NatSpec info for register method of HashReg contract installed + // now using the same transactions to check confirm messages + + tf.wantNatSpec = true // this is set so now the backend uses natspec confirmation + _, err = reg.SetHashToHash(tf.coinbase, codehash, dochash) + if err != nil { + t.Errorf("error calling contract registry: %v", err) + } + + fmt.Printf("GlobalRegistrar: %v, HashReg: %v, UrlHint: %v\n", registrar.GlobalRegistrarAddr, registrar.HashRegAddr, registrar.UrlHintAddr) + if tf.lastConfirm != testExpNotice { + t.Errorf("Wrong confirm message. expected '%v', got '%v'", testExpNotice, tf.lastConfirm) + } + + // test unknown method + exp := fmt.Sprintf(testExpNotice2, registrar.HashRegAddr) + _, err = reg.SetOwner(tf.coinbase) + if err != nil { + t.Errorf("error setting owner: %v", err) + } + + if tf.lastConfirm != exp { + t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm) + } + + // test unknown contract + exp = fmt.Sprintf(testExpNotice3, registrar.UrlHintAddr) + + _, err = reg.SetUrlToHash(tf.coinbase, dochash, "file:///test.content") + if err != nil { + t.Errorf("error registering: %v", err) + } + + if tf.lastConfirm != exp { + t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm) + } + +} diff --git a/common/natspec/natspec_js.go b/common/natspec/natspec_js.go index 571044bde..ce41e72c4 100644 --- a/common/natspec/natspec_js.go +++ b/common/natspec/natspec_js.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package natspec const natspecJS = //`require=function t(e,n,r){function i(f,u){if(!n[f]){if(!e[f]){var s="function"==typeof require&&require;if(!u&&s)return s(f,!0);if(o)return o(f,!0);var c=new Error("Cannot find module '"+f+"'");throw c.code="MODULE_NOT_FOUND",c}var a=n[f]={exports:{}};e[f][0].call(a.exports,function(t){var n=e[f][1][t];return i(n?n:t)},a,a.exports,t,e,n,r)}return n[f].exports}for(var o="function"==typeof require&&require,f=0;f<r.length;f++)i(r[f]);return i}({1:[function(){},{}],2:[function(t,e){function n(){if(!f){f=!0;for(var t,e=o.length;e;){t=o,o=[];for(var n=-1;++n<e;)t[n]();e=o.length}f=!1}}function r(){}var i=e.exports={},o=[],f=!1;i.nextTick=function(t){o.push(t),f||setTimeout(n,0)},i.title="browser",i.browser=!0,i.env={},i.argv=[],i.version="",i.on=r,i.addListener=r,i.once=r,i.off=r,i.removeListener=r,i.removeAllListeners=r,i.emit=r,i.binding=function(){throw new Error("process.binding is not supported")},i.cwd=function(){return"/"},i.chdir=function(){throw new Error("process.chdir is not supported")},i.umask=function(){return 0}},{}],3:[function(t,e){var n=t("./utils"),r=t("./types"),i=t("./const"),o=t("./formatters"),f=function(t){console.error("parser does not support type: "+t)},u=function(t){return"[]"===t.slice(-2)},s=function(t,e){return u(t)||"string"===t?o.formatInputInt(e.length):""},c=r.inputTypes(),a=function(t,e){var n="",r="",i="";return t.forEach(function(t,r){n+=s(t.type,e[r])}),t.forEach(function(n,o){for(var s=!1,a=0;a<c.length&&!s;a++)s=c[a].type(t[o].type,e[o]);s||f(t[o].type);var l=c[a-1].format;u(t[o].type)?i+=e[o].reduce(function(t,e){return t+l(e)},""):"string"===t[o].type?i+=l(e[o]):r+=l(e[o])}),n+=r+i},l=function(t){return u(t)||"string"===t?2*i.ETH_PADDING:0},p=r.outputTypes(),h=function(t,e){e=e.slice(2);var n=[],s=2*i.ETH_PADDING,c=t.reduce(function(t,e){return t+l(e.type)},0),a=e.slice(0,c);return e=e.slice(c),t.forEach(function(i,c){for(var 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r=t("bignumber.js");var i=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];e.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:i,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:r.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3}}).call(this,t("_process"))},{_process:2,"bignumber.js":8}],5:[function(t,e){(function(n){if("build"!==n.env.NODE_ENV)var r=t("bignumber.js");var i=t("./utils"),o=t("./const"),f=function(t,e,n){return new Array(e-t.length+1).join(n?n:"0")+t},u=function(t){var e=2*o.ETH_PADDING;return t instanceof r||"number"==typeof t?("number"==typeof t&&(t=new r(t)),r.config(o.ETH_BIGNUMBER_ROUNDING_MODE),t=t.round(),t.lessThan(0)&&(t=new r("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(t).plus(1)),t=t.toString(16)):t=0===t.indexOf("0x")?t.substr(2):"string"==typeof t?u(new r(t)):(+t).toString(16),f(t,e)},s=function(t){return 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i.toAscii(t)},y=function(t){return"0x"+t.slice(t.length-40,t.length)};e.exports={formatInputInt:u,formatInputString:s,formatInputBool:c,formatInputReal:a,formatOutputInt:p,formatOutputUInt:h,formatOutputReal:g,formatOutputUReal:m,formatOutputHash:d,formatOutputBool:v,formatOutputString:w,formatOutputAddress:y}}).call(this,t("_process"))},{"./const":4,"./utils":7,_process:2,"bignumber.js":8}],6:[function(t,e){var n=t("./formatters"),r=function(t){return function(e){return 0===e.indexOf(t)}},i=function(t){return function(e){return 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t=function(t,e){Object.keys(t).forEach(function(n){e[n]=t[n]})},e=function(t){return Object.keys(t).reduce(function(t,e){return t+"var "+e+" = context['"+e+"'];\n"},"")},r=function(t,e){return t.filter(function(t){return t.name===e})[0]},i=function(t,e){var r=n.formatOutput(t.inputs,"0x"+e.params[0].data.slice(10));return t.inputs.reduce(function(t,e,n){return t[e.name]=r[n],t},{})},o=function(t,e){var n,r="",i=/\` + "`" + `(?:\\.|[^` + "`" + `\\])*\` + "`" + `/gim,o=0;try{for(;null!==(n=i.exec(t));){var f=i.lastIndex-n[0].length,u=n[0].slice(1,n[0].length-1);r+=t.slice(o,f);var s=e(u);r+=s,o=i.lastIndex}r+=t.slice(o)}catch(c){throw new Error("Natspec evaluation failed, wrong input params")}return r},f=function(n,f){var u={};if(f)try{var s=r(f.abi,f.method),c=i(s,f.transaction);t(c,u)}catch(a){throw new Error("Natspec evaluation failed, method does not exist")}var l=e(u),p=o(n,function(t){var e=new Function("context",l+"return "+t+";");return e(u).toString()});return p},u=function(t,e){try{return f(t,e)}catch(n){return n.message}};return{evaluateExpression:f,evaluateExpressionSafe:u}}();e.exports=r},{"./node_modules/ethereum.js/lib/abi.js":3}]},{},[]); diff --git a/common/natspec/natspec_test.go b/common/natspec/natspec_test.go index 05df9e750..654e3a62d 100644 --- a/common/natspec/natspec_test.go +++ b/common/natspec/natspec_test.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package natspec import ( diff --git a/common/number/int.go b/common/number/int.go index 6cc5e68b4..aa54227d7 100644 --- a/common/number/int.go +++ b/common/number/int.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package number import ( diff --git a/common/number/uint_test.go b/common/number/uint_test.go index 262d584ed..ea1d5ce1f 100644 --- a/common/number/uint_test.go +++ b/common/number/uint_test.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package number import ( diff --git a/common/package.go b/common/package.go index 7f38d8e4d..bb2d41c1e 100644 --- a/common/package.go +++ b/common/package.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/path.go b/common/path.go index 6e3259656..def2c76f4 100644 --- a/common/path.go +++ b/common/path.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/path_test.go b/common/path_test.go index 4b90c543b..410937c53 100644 --- a/common/path_test.go +++ b/common/path_test.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/registrar/contracts.go b/common/registrar/contracts.go new file mode 100644 index 000000000..ab8fc543c --- /dev/null +++ b/common/registrar/contracts.go @@ -0,0 +1,163 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + +package registrar + +const ( // built-in contracts address source code and evm code + UrlHintCode = "0x60c180600c6000396000f30060003560e060020a90048063300a3bbf14601557005b6024600435602435604435602a565b60006000f35b6000600084815260200190815260200160002054600160a060020a0316600014806078575033600160a060020a03166000600085815260200190815260200160002054600160a060020a0316145b607f5760bc565b336000600085815260200190815260200160002081905550806001600085815260200190815260200160002083610100811060b657005b01819055505b50505056" + + UrlHintSrc = ` +contract URLhint { + function register(uint256 _hash, uint8 idx, uint256 _url) { + if (owner[_hash] == 0 || owner[_hash] == msg.sender) { + owner[_hash] = msg.sender; + url[_hash][idx] = _url; + } + } + mapping (uint256 => address) owner; + (uint256 => uint256[256]) url; +} + ` + + HashRegCode = "0x609880600c6000396000f30060003560e060020a9004806331e12c2014601f578063d66d6c1014602b57005b6025603d565b60006000f35b6037600435602435605d565b60006000f35b600054600160a060020a0316600014605357605b565b336000819055505b565b600054600160a060020a031633600160a060020a031614607b576094565b8060016000848152602001908152602001600020819055505b505056" + + HashRegSrc = ` +contract HashReg { + function setowner() { + if (owner == 0) { + owner = msg.sender; + } + } + function register(uint256 _key, uint256 _content) { + if (msg.sender == owner) { + content[_key] = _content; + } + } + address owner; + mapping (uint256 => uint256) content; +} +` + + GlobalRegistrarSrc = ` +//sol + +import "owned"; + +contract NameRegister { + function addr(bytes32 _name) constant returns (address o_owner) {} + function name(address _owner) constant returns (bytes32 o_name) {} +} + +contract Registrar is NameRegister { + event Changed(bytes32 indexed name); + event PrimaryChanged(bytes32 indexed name, address indexed addr); + + function owner(bytes32 _name) constant returns (address o_owner) {} + function addr(bytes32 _name) constant returns (address o_address) {} + function subRegistrar(bytes32 _name) constant returns (address o_subRegistrar) {} + function content(bytes32 _name) constant returns (bytes32 o_content) {} + + function name(address _owner) constant returns (bytes32 o_name) {} +} + +contract GlobalRegistrar is Registrar { + struct Record { + address owner; + address primary; + address subRegistrar; + bytes32 content; + uint value; + uint renewalDate; + } + + function Registrar() { + // TODO: Populate with hall-of-fame. + } + + function reserve(bytes32 _name) { + // Don't allow the same name to be overwritten. + // TODO: bidding mechanism + if (m_toRecord[_name].owner == 0) { + m_toRecord[_name].owner = msg.sender; + Changed(_name); + } + } + + /* + TODO + > 12 chars: free + <= 12 chars: auction: + 1. new names are auctioned + - 7 day period to collect all bid bytes32es + deposits + - 1 day period to collect all bids to be considered (validity requires associated deposit to be >10% of bid) + - all valid bids are burnt except highest - difference between that and second highest is returned to winner + 2. remember when last auctioned/renewed + 3. anyone can force renewal process: + - 7 day period to collect all bid bytes32es + deposits + - 1 day period to collect all bids & full amounts - bids only uncovered if sufficiently high. + - 1% of winner burnt; original owner paid rest. + */ + + modifier onlyrecordowner(bytes32 _name) { if (m_toRecord[_name].owner == msg.sender) _ } + + function transfer(bytes32 _name, address _newOwner) onlyrecordowner(_name) { + m_toRecord[_name].owner = _newOwner; + Changed(_name); + } + + function disown(bytes32 _name) onlyrecordowner(_name) { + if (m_toName[m_toRecord[_name].primary] == _name) + { + PrimaryChanged(_name, m_toRecord[_name].primary); + m_toName[m_toRecord[_name].primary] = ""; + } + delete m_toRecord[_name]; + Changed(_name); + } + + function setAddress(bytes32 _name, address _a, bool _primary) onlyrecordowner(_name) { + m_toRecord[_name].primary = _a; + if (_primary) + { + PrimaryChanged(_name, _a); + m_toName[_a] = _name; + } + Changed(_name); + } + function setSubRegistrar(bytes32 _name, address _registrar) onlyrecordowner(_name) { + m_toRecord[_name].subRegistrar = _registrar; + Changed(_name); + } + function setContent(bytes32 _name, bytes32 _content) onlyrecordowner(_name) { + m_toRecord[_name].content = _content; + Changed(_name); + } + + function owner(bytes32 _name) constant returns (address) { return m_toRecord[_name].owner; } + function addr(bytes32 _name) constant returns (address) { return m_toRecord[_name].primary; } +// function subRegistrar(bytes32 _name) constant returns (address) { return m_toRecord[_name].subRegistrar; } // TODO: bring in on next iteration. + function register(bytes32 _name) constant returns (address) { return m_toRecord[_name].subRegistrar; } // only possible for now + function content(bytes32 _name) constant returns (bytes32) { return m_toRecord[_name].content; } + function name(address _owner) constant returns (bytes32 o_name) { return m_toName[_owner]; } + + mapping (address => bytes32) m_toName; + mapping (bytes32 => Record) m_toRecord; +} +` + GlobalRegistrarAbi = `[{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"name","outputs":[{"name":"o_name","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"owner","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"content","outputs":[{"name":"","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"addr","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"reserve","outputs":[],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"subRegistrar","outputs":[{"name":"o_subRegistrar","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_newOwner","type":"address"}],"name":"transfer","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_registrar","type":"address"}],"name":"setSubRegistrar","outputs":[],"type":"function"},{"constant":false,"inputs":[],"name":"Registrar","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_a","type":"address"},{"name":"_primary","type":"bool"}],"name":"setAddress","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_content","type":"bytes32"}],"name":"setContent","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"disown","outputs":[],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"register","outputs":[{"name":"","type":"address"}],"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"}],"name":"Changed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"},{"indexed":true,"name":"addr","type":"address"}],"name":"PrimaryChanged","type":"event"}]` + + GlobalRegistrarCode = `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` +) diff --git a/common/registrar/ethreg/ethreg.go b/common/registrar/ethreg/ethreg.go new file mode 100644 index 000000000..e7df1e7f6 --- /dev/null +++ b/common/registrar/ethreg/ethreg.go @@ -0,0 +1,48 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + +package ethreg + +import ( + "math/big" + + "github.com/ethereum/go-ethereum/common/registrar" + "github.com/ethereum/go-ethereum/xeth" +) + +// implements a versioned Registrar on an archiving full node +type EthReg struct { + backend *xeth.XEth + registry *registrar.Registrar +} + +func New(xe *xeth.XEth) (self *EthReg) { + self = &EthReg{backend: xe} + self.registry = registrar.New(xe) + return +} + +func (self *EthReg) Registry() *registrar.Registrar { + return self.registry +} + +func (self *EthReg) Resolver(n *big.Int) *registrar.Registrar { + xe := self.backend + if n != nil { + xe = self.backend.AtStateNum(n.Int64()) + } + return registrar.New(xe) +} diff --git a/common/registrar/registrar.go b/common/registrar/registrar.go new file mode 100644 index 000000000..64fa97f6e --- /dev/null +++ b/common/registrar/registrar.go @@ -0,0 +1,408 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + +package registrar + +import ( + "encoding/binary" + "fmt" + "math/big" + "regexp" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/logger/glog" +) + +/* +Registrar implements the Ethereum name registrar services mapping +- arbitrary strings to ethereum addresses +- hashes to hashes +- hashes to arbitrary strings +(likely will provide lookup service for all three) + +The Registrar is used by +* the roundtripper transport implementation of +url schemes to resolve domain names and services that register these names +* contract info retrieval (NatSpec). + +The Registrar uses 3 contracts on the blockchain: +* GlobalRegistrar: Name (string) -> Address (Owner) +* HashReg : Key Hash (hash of domain name or contract code) -> Content Hash +* UrlHint : Content Hash -> Url Hint + +These contracts are (currently) not included in the genesis block. +Each Set<X> needs to be called once on each blockchain/network once. + +Contract addresses need to be set (HashReg and UrlHint retrieved from the global +registrar the first time any Registrar method is called in a client session + +So the caller needs to make sure the relevant environment initialised the desired +contracts +*/ +var ( + UrlHintAddr = "0x0" + HashRegAddr = "0x0" + GlobalRegistrarAddr = "0x0" + // GlobalRegistrarAddr = "0xc6d9d2cd449a754c494264e1809c50e34d64562b" + + zero = regexp.MustCompile("^(0x)?0*$") +) + +const ( + trueHex = "0000000000000000000000000000000000000000000000000000000000000001" + falseHex = "0000000000000000000000000000000000000000000000000000000000000000" +) + +func abiSignature(s string) string { + return common.ToHex(crypto.Sha3([]byte(s))[:4]) +} + +var ( + HashRegName = "HashReg" + UrlHintName = "UrlHint" + + registerContentHashAbi = abiSignature("register(uint256,uint256)") + registerUrlAbi = abiSignature("register(uint256,uint8,uint256)") + setOwnerAbi = abiSignature("setowner()") + reserveAbi = abiSignature("reserve(bytes32)") + resolveAbi = abiSignature("addr(bytes32)") + registerAbi = abiSignature("setAddress(bytes32,address,bool)") + addressAbiPrefix = falseHex[:24] +) + +// Registrar's backend is defined as an interface (implemented by xeth, but could be remote) +type Backend interface { + StorageAt(string, string) string + Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) + Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, string, error) +} + +// TODO Registrar should also just implement The Resolver and Registry interfaces +// Simplify for now. +type VersionedRegistrar interface { + Resolver(*big.Int) *Registrar + Registry() *Registrar +} + +type Registrar struct { + backend Backend +} + +func New(b Backend) (res *Registrar) { + res = &Registrar{b} + return +} + +func (self *Registrar) SetGlobalRegistrar(namereg string, addr common.Address) (txhash string, err error) { + if namereg != "" { + GlobalRegistrarAddr = namereg + return + } + if GlobalRegistrarAddr == "0x0" || GlobalRegistrarAddr == "0x" { + if (addr == common.Address{}) { + err = fmt.Errorf("GlobalRegistrar address not found and sender for creation not given") + return + } else { + txhash, err = self.backend.Transact(addr.Hex(), "", "", "", "800000", "", GlobalRegistrarCode) + if err != nil { + err = fmt.Errorf("GlobalRegistrar address not found and sender for creation failed: %v", err) + return + } + } + } + return +} + +func (self *Registrar) SetHashReg(hashreg string, addr common.Address) (txhash string, err error) { + if hashreg != "" { + HashRegAddr = hashreg + } else { + if !zero.MatchString(HashRegAddr) { + return + } + nameHex, extra := encodeName(HashRegName, 2) + hashRegAbi := resolveAbi + nameHex + extra + glog.V(logger.Detail).Infof("\ncall HashRegAddr %v with %v\n", GlobalRegistrarAddr, hashRegAbi) + var res string + res, _, err = self.backend.Call("", GlobalRegistrarAddr, "", "", "", hashRegAbi) + if len(res) >= 40 { + HashRegAddr = "0x" + res[len(res)-40:len(res)] + } + if err != nil || zero.MatchString(HashRegAddr) { + if (addr == common.Address{}) { + err = fmt.Errorf("HashReg address not found and sender for creation not given") + return + } + + txhash, err = self.backend.Transact(addr.Hex(), "", "", "", "", "", HashRegCode) + if err != nil { + err = fmt.Errorf("HashReg address not found and sender for creation failed: %v", err) + } + glog.V(logger.Detail).Infof("created HashRegAddr @ txhash %v\n", txhash) + } else { + glog.V(logger.Detail).Infof("HashRegAddr found at @ %v\n", HashRegAddr) + return + } + } + + return +} + +func (self *Registrar) SetUrlHint(urlhint string, addr common.Address) (txhash string, err error) { + if urlhint != "" { + UrlHintAddr = urlhint + } else { + if !zero.MatchString(UrlHintAddr) { + return + } + nameHex, extra := encodeName(UrlHintName, 2) + urlHintAbi := resolveAbi + nameHex + extra + glog.V(logger.Detail).Infof("UrlHint address query data: %s to %s", urlHintAbi, GlobalRegistrarAddr) + var res string + res, _, err = self.backend.Call("", GlobalRegistrarAddr, "", "", "", urlHintAbi) + if len(res) >= 40 { + UrlHintAddr = "0x" + res[len(res)-40:len(res)] + } + if err != nil || zero.MatchString(UrlHintAddr) { + if (addr == common.Address{}) { + err = fmt.Errorf("UrlHint address not found and sender for creation not given") + return + } + txhash, err = self.backend.Transact(addr.Hex(), "", "", "", "210000", "", UrlHintCode) + if err != nil { + err = fmt.Errorf("UrlHint address not found and sender for creation failed: %v", err) + } + glog.V(logger.Detail).Infof("created UrlHint @ txhash %v\n", txhash) + } else { + glog.V(logger.Detail).Infof("UrlHint found @ %v\n", HashRegAddr) + return + } + } + + return +} + +// ReserveName(from, name) reserves name for the sender address in the globalRegistrar +// the tx needs to be mined to take effect +func (self *Registrar) ReserveName(address common.Address, name string) (txh string, err error) { + nameHex, extra := encodeName(name, 2) + abi := reserveAbi + nameHex + extra + glog.V(logger.Detail).Infof("Reserve data: %s", abi) + return self.backend.Transact( + address.Hex(), + GlobalRegistrarAddr, + "", "", "", "", + abi, + ) +} + +// SetAddressToName(from, name, addr) will set the Address to address for name +// in the globalRegistrar using from as the sender of the transaction +// the tx needs to be mined to take effect +func (self *Registrar) SetAddressToName(from common.Address, name string, address common.Address) (txh string, err error) { + nameHex, extra := encodeName(name, 6) + addrHex := encodeAddress(address) + + abi := registerAbi + nameHex + addrHex + trueHex + extra + glog.V(logger.Detail).Infof("SetAddressToName data: %s to %s ", abi, GlobalRegistrarAddr) + + return self.backend.Transact( + from.Hex(), + GlobalRegistrarAddr, + "", "", "", "", + abi, + ) +} + +// NameToAddr(from, name) queries the registrar for the address on name +func (self *Registrar) NameToAddr(from common.Address, name string) (address common.Address, err error) { + nameHex, extra := encodeName(name, 2) + abi := resolveAbi + nameHex + extra + glog.V(logger.Detail).Infof("NameToAddr data: %s", abi) + res, _, err := self.backend.Call( + from.Hex(), + GlobalRegistrarAddr, + "", "", "", + abi, + ) + if err != nil { + return + } + address = common.HexToAddress(res) + return +} + +// called as first step in the registration process on HashReg +func (self *Registrar) SetOwner(address common.Address) (txh string, err error) { + return self.backend.Transact( + address.Hex(), + HashRegAddr, + "", "", "", "", + setOwnerAbi, + ) +} + +// registers some content hash to a key/code hash +// e.g., the contract Info combined Json Doc's ContentHash +// to CodeHash of a contract or hash of a domain +func (self *Registrar) SetHashToHash(address common.Address, codehash, dochash common.Hash) (txh string, err error) { + _, err = self.SetOwner(address) + if err != nil { + return + } + codehex := common.Bytes2Hex(codehash[:]) + dochex := common.Bytes2Hex(dochash[:]) + + data := registerContentHashAbi + codehex + dochex + glog.V(logger.Detail).Infof("SetHashToHash data: %s sent to %v\n", data, HashRegAddr) + return self.backend.Transact( + address.Hex(), + HashRegAddr, + "", "", "", "", + data, + ) +} + +// SetUrlToHash(from, hash, url) registers a url to a content hash so that the content can be fetched +// address is used as sender for the transaction and will be the owner of a new +// registry entry on first time use +// FIXME: silently doing nothing if sender is not the owner +// note that with content addressed storage, this step is no longer necessary +func (self *Registrar) SetUrlToHash(address common.Address, hash common.Hash, url string) (txh string, err error) { + hashHex := common.Bytes2Hex(hash[:]) + var urlHex string + urlb := []byte(url) + var cnt byte + n := len(urlb) + + for n > 0 { + if n > 32 { + n = 32 + } + urlHex = common.Bytes2Hex(urlb[:n]) + urlb = urlb[n:] + n = len(urlb) + bcnt := make([]byte, 32) + bcnt[31] = cnt + data := registerUrlAbi + + hashHex + + common.Bytes2Hex(bcnt) + + common.Bytes2Hex(common.Hex2BytesFixed(urlHex, 32)) + txh, err = self.backend.Transact( + address.Hex(), + UrlHintAddr, + "", "", "", "", + data, + ) + if err != nil { + return + } + cnt++ + } + return +} + +// HashToHash(key) resolves contenthash for key (a hash) using HashReg +// resolution is costless non-transactional +// implemented as direct retrieval from db +func (self *Registrar) HashToHash(khash common.Hash) (chash common.Hash, err error) { + // look up in hashReg + at := HashRegAddr[2:] + key := storageAddress(storageMapping(storageIdx2Addr(1), khash[:])) + hash := self.backend.StorageAt(at, key) + + if hash == "0x0" || len(hash) < 3 || (hash == common.Hash{}.Hex()) { + err = fmt.Errorf("content hash not found for '%v'", khash.Hex()) + return + } + copy(chash[:], common.Hex2BytesFixed(hash[2:], 32)) + return +} + +// HashToUrl(contenthash) resolves the url for contenthash using UrlHint +// resolution is costless non-transactional +// implemented as direct retrieval from db +// if we use content addressed storage, this step is no longer necessary +func (self *Registrar) HashToUrl(chash common.Hash) (uri string, err error) { + // look up in URL reg + var str string = " " + var idx uint32 + for len(str) > 0 { + mapaddr := storageMapping(storageIdx2Addr(1), chash[:]) + key := storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(idx))) + hex := self.backend.StorageAt(UrlHintAddr[2:], key) + str = string(common.Hex2Bytes(hex[2:])) + l := 0 + for (l < len(str)) && (str[l] == 0) { + l++ + } + + str = str[l:] + uri = uri + str + idx++ + } + + if len(uri) == 0 { + err = fmt.Errorf("GetURLhint: URL hint not found for '%v'", chash.Hex()) + } + return +} + +func storageIdx2Addr(varidx uint32) []byte { + data := make([]byte, 32) + binary.BigEndian.PutUint32(data[28:32], varidx) + return data +} + +func storageMapping(addr, key []byte) []byte { + data := make([]byte, 64) + copy(data[0:32], key[0:32]) + copy(data[32:64], addr[0:32]) + sha := crypto.Sha3(data) + return sha +} + +func storageFixedArray(addr, idx []byte) []byte { + var carry byte + for i := 31; i >= 0; i-- { + var b byte = addr[i] + idx[i] + carry + if b < addr[i] { + carry = 1 + } else { + carry = 0 + } + addr[i] = b + } + return addr +} + +func storageAddress(addr []byte) string { + return common.ToHex(addr) +} + +func encodeAddress(address common.Address) string { + return addressAbiPrefix + address.Hex()[2:] +} + +func encodeName(name string, index uint8) (string, string) { + extra := common.Bytes2Hex([]byte(name)) + if len(name) > 32 { + return fmt.Sprintf("%064x", index), extra + } + return extra + falseHex[len(extra):], "" +} diff --git a/common/registrar/registrar_test.go b/common/registrar/registrar_test.go new file mode 100644 index 000000000..4b9a77a68 --- /dev/null +++ b/common/registrar/registrar_test.go @@ -0,0 +1,112 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + +package registrar + +import ( + "testing" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" +) + +type testBackend struct { + // contracts mock + contracts map[string](map[string]string) +} + +var ( + text = "test" + codehash = common.StringToHash("1234") + hash = common.BytesToHash(crypto.Sha3([]byte(text))) + url = "bzz://bzzhash/my/path/contr.act" +) + +func NewTestBackend() *testBackend { + HashRegAddr = common.BigToAddress(common.Big0).Hex() //[2:] + UrlHintAddr = common.BigToAddress(common.Big1).Hex() //[2:] + self := &testBackend{} + self.contracts = make(map[string](map[string]string)) + + self.contracts[HashRegAddr[2:]] = make(map[string]string) + key := storageAddress(storageMapping(storageIdx2Addr(1), codehash[:])) + self.contracts[HashRegAddr[2:]][key] = hash.Hex() + + self.contracts[UrlHintAddr[2:]] = make(map[string]string) + mapaddr := storageMapping(storageIdx2Addr(1), hash[:]) + + key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(0))) + self.contracts[UrlHintAddr[2:]][key] = common.ToHex([]byte(url)) + key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(1))) + self.contracts[UrlHintAddr[2:]][key] = "0x0" + return self +} + +func (self *testBackend) StorageAt(ca, sa string) (res string) { + c := self.contracts[ca] + if c == nil { + return + } + res = c[sa] + return +} + +func (self *testBackend) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) { + return "", nil +} + +func (self *testBackend) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, string, error) { + return "", "", nil +} + +func TestSetGlobalRegistrar(t *testing.T) { + b := NewTestBackend() + res := New(b) + _, err := res.SetGlobalRegistrar("addresshex", common.BigToAddress(common.Big1)) + if err != nil { + t.Errorf("unexpected error: %v'", err) + } +} + +func TestHashToHash(t *testing.T) { + b := NewTestBackend() + res := New(b) + // res.SetHashReg() + + got, err := res.HashToHash(codehash) + if err != nil { + t.Errorf("expected no error, got %v", err) + } else { + if got != hash { + t.Errorf("incorrect result, expected '%v', got '%v'", hash.Hex(), got.Hex()) + } + } +} + +func TestHashToUrl(t *testing.T) { + b := NewTestBackend() + res := New(b) + // res.SetUrlHint() + + got, err := res.HashToUrl(hash) + if err != nil { + t.Errorf("expected error, got %v", err) + } else { + if got != url { + t.Errorf("incorrect result, expected '%v', got '%s'", url, got) + } + } +} diff --git a/common/resolver/contracts.go b/common/resolver/contracts.go deleted file mode 100644 index 4aad95e43..000000000 --- a/common/resolver/contracts.go +++ /dev/null @@ -1,36 +0,0 @@ -package resolver - -const ( // built-in contracts address and code - ContractCodeURLhint = "0x60c180600c6000396000f30060003560e060020a90048063300a3bbf14601557005b6024600435602435604435602a565b60006000f35b6000600084815260200190815260200160002054600160a060020a0316600014806078575033600160a060020a03166000600085815260200190815260200160002054600160a060020a0316145b607f5760bc565b336000600085815260200190815260200160002081905550806001600085815260200190815260200160002083610100811060b657005b01819055505b50505056" - /* - contract URLhint { - function register(uint256 _hash, uint8 idx, uint256 _url) { - if (owner[_hash] == 0 || owner[_hash] == msg.sender) { - owner[_hash] = msg.sender; - url[_hash][idx] = _url; - } - } - mapping (uint256 => address) owner; - mapping (uint256 => uint256[256]) url; - } - */ - - ContractCodeHashReg = "0x609880600c6000396000f30060003560e060020a9004806331e12c2014601f578063d66d6c1014602b57005b6025603d565b60006000f35b6037600435602435605d565b60006000f35b600054600160a060020a0316600014605357605b565b336000819055505b565b600054600160a060020a031633600160a060020a031614607b576094565b8060016000848152602001908152602001600020819055505b505056" - /* - contract HashReg { - function setowner() { - if (owner == 0) { - owner = msg.sender; - } - } - function register(uint256 _key, uint256 _content) { - if (msg.sender == owner) { - content[_key] = _content; - } - } - address owner; - mapping (uint256 => uint256) content; - } - */ - -) diff --git a/common/resolver/resolver.go b/common/resolver/resolver.go deleted file mode 100644 index 9016547e1..000000000 --- a/common/resolver/resolver.go +++ /dev/null @@ -1,232 +0,0 @@ -package resolver - -import ( - "encoding/binary" - "fmt" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/logger/glog" -) - -/* -Resolver implements the Ethereum DNS mapping -HashReg : Key Hash (hash of domain name or contract code) -> Content Hash -UrlHint : Content Hash -> Url Hint - -The resolver is meant to be called by the roundtripper transport implementation -of a url scheme -*/ - -// // contract addresses will be hardcoded after they're created -var UrlHintContractAddress, HashRegContractAddress string - -const ( - txValue = "0" - txGas = "100000" - txGasPrice = "1000000000000" -) - -func abi(s string) string { - return common.ToHex(crypto.Sha3([]byte(s))[:4]) -} - -var ( - registerContentHashAbi = abi("register(uint256,uint256)") - registerUrlAbi = abi("register(uint256,uint8,uint256)") - setOwnerAbi = abi("setowner()") -) - -type Backend interface { - StorageAt(string, string) string - Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) -} - -type Resolver struct { - backend Backend -} - -func New(eth Backend) *Resolver { - return &Resolver{eth} -} - -// for testing and play temporarily -// ideally the HashReg and UrlHint contracts should be in the genesis block -// if we got build-in support for natspec/contract info -// there should be only one of these officially endorsed -// addresses as constants -// TODO: could get around this with namereg, check -func (self *Resolver) CreateContracts(addr common.Address) (err error) { - HashRegContractAddress, err = self.backend.Transact(addr.Hex(), "", "", txValue, txGas, txGasPrice, ContractCodeHashReg) - if err != nil { - return - } - UrlHintContractAddress, err = self.backend.Transact(addr.Hex(), "", "", txValue, txGas, txGasPrice, ContractCodeURLhint) - glog.V(logger.Detail).Infof("HashReg @ %v\nUrlHint @ %v\n", HashRegContractAddress, UrlHintContractAddress) - return -} - -// called as first step in the registration process on HashReg -func (self *Resolver) SetOwner(address common.Address) (txh string, err error) { - return self.backend.Transact( - address.Hex(), - HashRegContractAddress, - "", txValue, txGas, txGasPrice, - setOwnerAbi, - ) -} - -// registers some content hash to a key/code hash -// e.g., the contract Info combined Json Doc's ContentHash -// to CodeHash of a contract or hash of a domain -// kept -func (self *Resolver) RegisterContentHash(address common.Address, codehash, dochash common.Hash) (txh string, err error) { - _, err = self.SetOwner(address) - if err != nil { - return - } - codehex := common.Bytes2Hex(codehash[:]) - dochex := common.Bytes2Hex(dochash[:]) - - data := registerContentHashAbi + codehex + dochex - return self.backend.Transact( - address.Hex(), - HashRegContractAddress, - "", txValue, txGas, txGasPrice, - data, - ) -} - -// registers a url to a content hash so that the content can be fetched -// address is used as sender for the transaction and will be the owner of a new -// registry entry on first time use -// FIXME: silently doing nothing if sender is not the owner -// note that with content addressed storage, this step is no longer necessary -// it could be purely -func (self *Resolver) RegisterUrl(address common.Address, hash common.Hash, url string) (txh string, err error) { - hashHex := common.Bytes2Hex(hash[:]) - var urlHex string - urlb := []byte(url) - var cnt byte - n := len(urlb) - - for n > 0 { - if n > 32 { - n = 32 - } - urlHex = common.Bytes2Hex(urlb[:n]) - urlb = urlb[n:] - n = len(urlb) - bcnt := make([]byte, 32) - bcnt[31] = cnt - data := registerUrlAbi + - hashHex + - common.Bytes2Hex(bcnt) + - common.Bytes2Hex(common.Hex2BytesFixed(urlHex, 32)) - txh, err = self.backend.Transact( - address.Hex(), - UrlHintContractAddress, - "", txValue, txGas, txGasPrice, - data, - ) - if err != nil { - return - } - cnt++ - } - return -} - -func (self *Resolver) Register(address common.Address, codehash, dochash common.Hash, url string) (txh string, err error) { - - _, err = self.RegisterContentHash(address, codehash, dochash) - if err != nil { - return - } - return self.RegisterUrl(address, dochash, url) -} - -// resolution is costless non-transactional -// implemented as direct retrieval from db -func (self *Resolver) KeyToContentHash(khash common.Hash) (chash common.Hash, err error) { - // look up in hashReg - at := common.Bytes2Hex(common.FromHex(HashRegContractAddress)) - key := storageAddress(storageMapping(storageIdx2Addr(1), khash[:])) - hash := self.backend.StorageAt(at, key) - - if hash == "0x0" || len(hash) < 3 { - err = fmt.Errorf("content hash not found for '%v'", khash.Hex()) - return - } - copy(chash[:], common.Hex2BytesFixed(hash[2:], 32)) - return -} - -// retrieves the url-hint for the content hash - -// if we use content addressed storage, this step is no longer necessary -func (self *Resolver) ContentHashToUrl(chash common.Hash) (uri string, err error) { - // look up in URL reg - var str string = " " - var idx uint32 - for len(str) > 0 { - mapaddr := storageMapping(storageIdx2Addr(1), chash[:]) - key := storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(idx))) - hex := self.backend.StorageAt(UrlHintContractAddress, key) - str = string(common.Hex2Bytes(hex[2:])) - l := len(str) - for (l > 0) && (str[l-1] == 0) { - l-- - } - str = str[:l] - uri = uri + str - idx++ - } - - if len(uri) == 0 { - err = fmt.Errorf("GetURLhint: URL hint not found for '%v'", chash.Hex()) - } - return -} - -func (self *Resolver) KeyToUrl(key common.Hash) (uri string, hash common.Hash, err error) { - // look up in urlHint - hash, err = self.KeyToContentHash(key) - if err != nil { - return - } - uri, err = self.ContentHashToUrl(hash) - return -} - -func storageIdx2Addr(varidx uint32) []byte { - data := make([]byte, 32) - binary.BigEndian.PutUint32(data[28:32], varidx) - return data -} - -func storageMapping(addr, key []byte) []byte { - data := make([]byte, 64) - copy(data[0:32], key[0:32]) - copy(data[32:64], addr[0:32]) - sha := crypto.Sha3(data) - return sha -} - -func storageFixedArray(addr, idx []byte) []byte { - var carry byte - for i := 31; i >= 0; i-- { - var b byte = addr[i] + idx[i] + carry - if b < addr[i] { - carry = 1 - } else { - carry = 0 - } - addr[i] = b - } - return addr -} - -func storageAddress(addr []byte) string { - return common.ToHex(addr) -} diff --git a/common/resolver/resolver_test.go b/common/resolver/resolver_test.go deleted file mode 100644 index 02d12592e..000000000 --- a/common/resolver/resolver_test.go +++ /dev/null @@ -1,93 +0,0 @@ -package resolver - -import ( - "testing" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" -) - -type testBackend struct { - // contracts mock - contracts map[string](map[string]string) -} - -var ( - text = "test" - codehash = common.StringToHash("1234") - hash = common.BytesToHash(crypto.Sha3([]byte(text))) - url = "bzz://bzzhash/my/path/contr.act" -) - -func NewTestBackend() *testBackend { - HashRegContractAddress = common.BigToAddress(common.Big0).Hex()[2:] - UrlHintContractAddress = common.BigToAddress(common.Big1).Hex()[2:] - self := &testBackend{} - self.contracts = make(map[string](map[string]string)) - - self.contracts[HashRegContractAddress] = make(map[string]string) - key := storageAddress(storageMapping(storageIdx2Addr(1), codehash[:])) - self.contracts[HashRegContractAddress][key] = hash.Hex() - - self.contracts[UrlHintContractAddress] = make(map[string]string) - mapaddr := storageMapping(storageIdx2Addr(1), hash[:]) - - key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(0))) - self.contracts[UrlHintContractAddress][key] = common.ToHex([]byte(url)) - key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(1))) - self.contracts[UrlHintContractAddress][key] = "0x00" - return self -} - -func (self *testBackend) StorageAt(ca, sa string) (res string) { - c := self.contracts[ca] - if c == nil { - return - } - res = c[sa] - return -} - -func (self *testBackend) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) { - return "", nil -} - -func TestKeyToContentHash(t *testing.T) { - b := NewTestBackend() - res := New(b) - - got, err := res.KeyToContentHash(codehash) - if err != nil { - t.Errorf("expected no error, got %v", err) - } else { - if got != hash { - t.Errorf("incorrect result, expected '%v', got '%v'", hash.Hex(), got.Hex()) - } - } -} - -func TestContentHashToUrl(t *testing.T) { - b := NewTestBackend() - res := New(b) - got, err := res.ContentHashToUrl(hash) - if err != nil { - t.Errorf("expected no error, got %v", err) - } else { - if got != url { - t.Errorf("incorrect result, expected '%v', got '%s'", url, got) - } - } -} - -func TestKeyToUrl(t *testing.T) { - b := NewTestBackend() - res := New(b) - got, _, err := res.KeyToUrl(codehash) - if err != nil { - t.Errorf("expected no error, got %v", err) - } else { - if got != url { - t.Errorf("incorrect result, expected \n'%s', got \n'%s'", url, got) - } - } -} diff --git a/common/rlp.go b/common/rlp.go index 06ac410e9..670d5b6e3 100644 --- a/common/rlp.go +++ b/common/rlp.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/rlp_test.go b/common/rlp_test.go index 2a55da928..75949c40d 100644 --- a/common/rlp_test.go +++ b/common/rlp_test.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/size.go b/common/size.go index 4ea7f7b11..2fc2dfd7b 100644 --- a/common/size.go +++ b/common/size.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/size_test.go b/common/size_test.go index cfe7efe31..48cf3cab3 100644 --- a/common/size_test.go +++ b/common/size_test.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/test_utils.go b/common/test_utils.go index 8346c147a..96ed31cad 100644 --- a/common/test_utils.go +++ b/common/test_utils.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/types.go b/common/types.go index e41112a77..69d16ad4b 100644 --- a/common/types.go +++ b/common/types.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/types_template.go b/common/types_template.go index 1c82a36dc..64ca6f73d 100644 --- a/common/types_template.go +++ b/common/types_template.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + // +build none //sed -e 's/_N_/Hash/g' -e 's/_S_/32/g' -e '1d' types_template.go | gofmt -w hash.go diff --git a/common/types_test.go b/common/types_test.go index 9f303152c..21ae5706c 100644 --- a/common/types_test.go +++ b/common/types_test.go @@ -1,3 +1,19 @@ +// Copyright 2015 The go-ethereum Authors +// 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 Lesser 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/>. + package common import "testing" diff --git a/common/value.go b/common/value.go index c3893d565..5409a2c68 100644 --- a/common/value.go +++ b/common/value.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( diff --git a/common/value_test.go b/common/value_test.go index 38a0e9843..139a7f999 100644 --- a/common/value_test.go +++ b/common/value_test.go @@ -1,3 +1,19 @@ +// Copyright 2014 The go-ethereum Authors +// 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 Lesser 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/>. + package common import ( |