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-rw-r--r--peer.go887
1 files changed, 0 insertions, 887 deletions
diff --git a/peer.go b/peer.go
deleted file mode 100644
index ceb49a5af..000000000
--- a/peer.go
+++ /dev/null
@@ -1,887 +0,0 @@
-package eth
-
-import (
- "bytes"
- "container/list"
- "fmt"
- "math"
- "math/big"
- "net"
- "strconv"
- "strings"
- "sync/atomic"
- "time"
-
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/ethutil"
- "github.com/ethereum/go-ethereum/logger"
- "github.com/ethereum/go-ethereum/wire"
-)
-
-var peerlogger = logger.NewLogger("PEER")
-
-const (
- // The size of the output buffer for writing messages
- outputBufferSize = 50
- // Current protocol version
- ProtocolVersion = 49
- // Current P2P version
- P2PVersion = 2
- // Ethereum network version
- NetVersion = 0
- // Interval for ping/pong message
- pingPongTimer = 2 * time.Second
-)
-
-type DiscReason byte
-
-const (
- // Values are given explicitly instead of by iota because these values are
- // defined by the wire protocol spec; it is easier for humans to ensure
- // correctness when values are explicit.
- DiscRequested DiscReason = iota
- DiscReTcpSysErr
- DiscBadProto
- DiscBadPeer
- DiscTooManyPeers
- DiscConnDup
- DiscGenesisErr
- DiscProtoErr
- DiscQuitting
-)
-
-var discReasonToString = []string{
- "requested",
- "TCP sys error",
- "bad protocol",
- "useless peer",
- "too many peers",
- "already connected",
- "wrong genesis block",
- "incompatible network",
- "quitting",
-}
-
-func (d DiscReason) String() string {
- if len(discReasonToString) < int(d) {
- return "Unknown"
- }
-
- return discReasonToString[d]
-}
-
-// Peer capabilities
-type Caps byte
-
-const (
- CapPeerDiscTy Caps = 1 << iota
- CapTxTy
- CapChainTy
-
- CapDefault = CapChainTy | CapTxTy | CapPeerDiscTy
-)
-
-var capsToString = map[Caps]string{
- CapPeerDiscTy: "Peer discovery",
- CapTxTy: "Transaction relaying",
- CapChainTy: "Block chain relaying",
-}
-
-func (c Caps) IsCap(cap Caps) bool {
- return c&cap > 0
-}
-
-func (c Caps) String() string {
- var caps []string
- if c.IsCap(CapPeerDiscTy) {
- caps = append(caps, capsToString[CapPeerDiscTy])
- }
- if c.IsCap(CapChainTy) {
- caps = append(caps, capsToString[CapChainTy])
- }
- if c.IsCap(CapTxTy) {
- caps = append(caps, capsToString[CapTxTy])
- }
-
- return strings.Join(caps, " | ")
-}
-
-type Peer struct {
- // Ethereum interface
- ethereum *Ethereum
- // Net connection
- conn net.Conn
- // Output queue which is used to communicate and handle messages
- outputQueue chan *wire.Msg
- // Quit channel
- quit chan bool
- // Determines whether it's an inbound or outbound peer
- inbound bool
- // Flag for checking the peer's connectivity state
- connected int32
- disconnect int32
- // Last known message send
- lastSend time.Time
- // Indicated whether a verack has been send or not
- // This flag is used by writeMessage to check if messages are allowed
- // to be send or not. If no version is known all messages are ignored.
- versionKnown bool
- statusKnown bool
-
- // Last received pong message
- lastPong int64
- lastBlockReceived time.Time
- doneFetchingHashes bool
- lastHashAt time.Time
- lastHashRequestedAt time.Time
-
- host []byte
- port uint16
- caps Caps
- td *big.Int
- bestHash []byte
- lastReceivedHash []byte
- requestedHashes [][]byte
-
- // This peer's public key
- pubkey []byte
-
- // Indicated whether the node is catching up or not
- catchingUp bool
- diverted bool
- blocksRequested int
-
- version string
-
- // We use this to give some kind of pingtime to a node, not very accurate, could be improved.
- pingTime time.Duration
- pingStartTime time.Time
-
- lastRequestedBlock *types.Block
-
- protocolCaps *ethutil.Value
-}
-
-func NewPeer(conn net.Conn, ethereum *Ethereum, inbound bool) *Peer {
- pubkey := ethereum.KeyManager().PublicKey()[1:]
-
- return &Peer{
- outputQueue: make(chan *wire.Msg, outputBufferSize),
- quit: make(chan bool),
- ethereum: ethereum,
- conn: conn,
- inbound: inbound,
- disconnect: 0,
- connected: 1,
- port: 30303,
- pubkey: pubkey,
- blocksRequested: 10,
- caps: ethereum.ServerCaps(),
- version: ethereum.ClientIdentity().String(),
- protocolCaps: ethutil.NewValue(nil),
- td: big.NewInt(0),
- doneFetchingHashes: true,
- }
-}
-
-func NewOutboundPeer(addr string, ethereum *Ethereum, caps Caps) *Peer {
- p := &Peer{
- outputQueue: make(chan *wire.Msg, outputBufferSize),
- quit: make(chan bool),
- ethereum: ethereum,
- inbound: false,
- connected: 0,
- disconnect: 0,
- port: 30303,
- caps: caps,
- version: ethereum.ClientIdentity().String(),
- protocolCaps: ethutil.NewValue(nil),
- td: big.NewInt(0),
- doneFetchingHashes: true,
- }
-
- // Set up the connection in another goroutine so we don't block the main thread
- go func() {
- conn, err := p.Connect(addr)
- if err != nil {
- //peerlogger.Debugln("Connection to peer failed. Giving up.", err)
- p.Stop()
- return
- }
- p.conn = conn
-
- // Atomically set the connection state
- atomic.StoreInt32(&p.connected, 1)
- atomic.StoreInt32(&p.disconnect, 0)
-
- p.Start()
- }()
-
- return p
-}
-
-func (self *Peer) Connect(addr string) (conn net.Conn, err error) {
- const maxTries = 3
- for attempts := 0; attempts < maxTries; attempts++ {
- conn, err = net.DialTimeout("tcp", addr, 10*time.Second)
- if err != nil {
- time.Sleep(time.Duration(attempts*20) * time.Second)
- continue
- }
-
- // Success
- return
- }
-
- return
-}
-
-// Getters
-func (p *Peer) PingTime() string {
- return p.pingTime.String()
-}
-func (p *Peer) Inbound() bool {
- return p.inbound
-}
-func (p *Peer) LastSend() time.Time {
- return p.lastSend
-}
-func (p *Peer) LastPong() int64 {
- return p.lastPong
-}
-func (p *Peer) Host() []byte {
- return p.host
-}
-func (p *Peer) Port() uint16 {
- return p.port
-}
-func (p *Peer) Version() string {
- return p.version
-}
-func (p *Peer) Connected() *int32 {
- return &p.connected
-}
-
-// Setters
-func (p *Peer) SetVersion(version string) {
- p.version = version
-}
-
-// Outputs any RLP encoded data to the peer
-func (p *Peer) QueueMessage(msg *wire.Msg) {
- if atomic.LoadInt32(&p.connected) != 1 {
- return
- }
- p.outputQueue <- msg
-}
-
-func (p *Peer) writeMessage(msg *wire.Msg) {
- // Ignore the write if we're not connected
- if atomic.LoadInt32(&p.connected) != 1 {
- return
- }
-
- if !p.versionKnown {
- switch msg.Type {
- case wire.MsgHandshakeTy: // Ok
- default: // Anything but ack is allowed
- return
- }
- } else {
- /*
- if !p.statusKnown {
- switch msg.Type {
- case wire.MsgStatusTy: // Ok
- default: // Anything but ack is allowed
- return
- }
- }
- */
- }
-
- peerlogger.DebugDetailf("(%v) <= %v\n", p.conn.RemoteAddr(), formatMessage(msg))
-
- err := wire.WriteMessage(p.conn, msg)
- if err != nil {
- peerlogger.Debugln(" Can't send message:", err)
- // Stop the client if there was an error writing to it
- p.Stop()
- return
- }
-}
-
-// Outbound message handler. Outbound messages are handled here
-func (p *Peer) HandleOutbound() {
- // The ping timer. Makes sure that every 2 minutes a ping is send to the peer
- pingTimer := time.NewTicker(pingPongTimer)
- serviceTimer := time.NewTicker(10 * time.Second)
-
-out:
- for {
- skip:
- select {
- // Main message queue. All outbound messages are processed through here
- case msg := <-p.outputQueue:
- if !p.statusKnown {
- switch msg.Type {
- case wire.MsgTxTy, wire.MsgGetBlockHashesTy, wire.MsgBlockHashesTy, wire.MsgGetBlocksTy, wire.MsgBlockTy:
- break skip
- }
- }
-
- switch msg.Type {
- case wire.MsgGetBlockHashesTy:
- p.lastHashRequestedAt = time.Now()
- }
-
- p.writeMessage(msg)
- p.lastSend = time.Now()
-
- // Ping timer
- case <-pingTimer.C:
- p.writeMessage(wire.NewMessage(wire.MsgPingTy, ""))
- p.pingStartTime = time.Now()
-
- // Service timer takes care of peer broadcasting, transaction
- // posting or block posting
- case <-serviceTimer.C:
- p.QueueMessage(wire.NewMessage(wire.MsgGetPeersTy, ""))
-
- case <-p.quit:
- // Break out of the for loop if a quit message is posted
- break out
- }
- }
-
-clean:
- // This loop is for draining the output queue and anybody waiting for us
- for {
- select {
- case <-p.outputQueue:
- // TODO
- default:
- break clean
- }
- }
-}
-
-func formatMessage(msg *wire.Msg) (ret string) {
- ret = fmt.Sprintf("%v %v", msg.Type, msg.Data)
-
- /*
- XXX Commented out because I need the log level here to determine
- if i should or shouldn't generate this message
- */
- /*
- switch msg.Type {
- case wire.MsgPeersTy:
- ret += fmt.Sprintf("(%d entries)", msg.Data.Len())
- case wire.MsgBlockTy:
- b1, b2 := chain.NewBlockFromRlpValue(msg.Data.Get(0)), ethchain.NewBlockFromRlpValue(msg.Data.Get(msg.Data.Len()-1))
- ret += fmt.Sprintf("(%d entries) %x - %x", msg.Data.Len(), b1.Hash()[0:4], b2.Hash()[0:4])
- case wire.MsgBlockHashesTy:
- h1, h2 := msg.Data.Get(0).Bytes(), msg.Data.Get(msg.Data.Len()-1).Bytes()
- ret += fmt.Sprintf("(%d entries) %x - %x", msg.Data.Len(), h1, h2)
- }
- */
-
- return
-}
-
-// Inbound handler. Inbound messages are received here and passed to the appropriate methods
-func (p *Peer) HandleInbound() {
- for atomic.LoadInt32(&p.disconnect) == 0 {
-
- // HMM?
- time.Sleep(50 * time.Millisecond)
- // Wait for a message from the peer
- msgs, err := wire.ReadMessages(p.conn)
- if err != nil {
- peerlogger.Debugln(err)
- }
- for _, msg := range msgs {
- peerlogger.DebugDetailf("(%v) => %v\n", p.conn.RemoteAddr(), formatMessage(msg))
-
- switch msg.Type {
- case wire.MsgHandshakeTy:
- // Version message
- p.handleHandshake(msg)
-
- //if p.caps.IsCap(CapPeerDiscTy) {
- p.QueueMessage(wire.NewMessage(wire.MsgGetPeersTy, ""))
- //}
-
- case wire.MsgDiscTy:
- blockPool := p.ethereum.blockPool
- if blockPool.peer == p {
- blockPool.peer = nil
- blockPool.td = ethutil.Big0
- }
-
- p.Stop()
- peerlogger.Infoln("Disconnect peer: ", DiscReason(msg.Data.Get(0).Uint()))
- case wire.MsgPingTy:
- // Respond back with pong
- p.QueueMessage(wire.NewMessage(wire.MsgPongTy, ""))
- case wire.MsgPongTy:
- // If we received a pong back from a peer we set the
- // last pong so the peer handler knows this peer is still
- // active.
- p.lastPong = time.Now().Unix()
- p.pingTime = time.Since(p.pingStartTime)
- case wire.MsgTxTy:
- // If the message was a transaction queue the transaction
- // in the TxPool where it will undergo validation and
- // processing when a new block is found
- for i := 0; i < msg.Data.Len(); i++ {
- tx := types.NewTransactionFromValue(msg.Data.Get(i))
- err := p.ethereum.TxPool().Add(tx)
- if err != nil {
- peerlogger.Infoln(err)
- } else {
- peerlogger.Infof("tx OK (%x)\n", tx.Hash()[0:4])
- }
- }
- case wire.MsgGetPeersTy:
- // Peer asked for list of connected peers
- //p.pushPeers()
- case wire.MsgPeersTy:
- // Received a list of peers (probably because MsgGetPeersTy was send)
- data := msg.Data
- // Create new list of possible peers for the ethereum to process
- peers := make([]string, data.Len())
- // Parse each possible peer
- for i := 0; i < data.Len(); i++ {
- value := data.Get(i)
- peers[i] = unpackAddr(value.Get(0), value.Get(1).Uint())
- }
-
- // Connect to the list of peers
- p.ethereum.ProcessPeerList(peers)
-
- case wire.MsgStatusTy:
- // Handle peer's status msg
- p.handleStatus(msg)
- }
-
- // TMP
- if p.statusKnown {
- switch msg.Type {
-
- case wire.MsgGetBlockHashesTy:
- if msg.Data.Len() < 2 {
- peerlogger.Debugln("err: argument length invalid ", msg.Data.Len())
- }
-
- hash := msg.Data.Get(0).Bytes()
- amount := msg.Data.Get(1).Uint()
-
- hashes := p.ethereum.ChainManager().GetChainHashesFromHash(hash, amount)
-
- p.QueueMessage(wire.NewMessage(wire.MsgBlockHashesTy, ethutil.ByteSliceToInterface(hashes)))
-
- case wire.MsgGetBlocksTy:
- // Limit to max 300 blocks
- max := int(math.Min(float64(msg.Data.Len()), 300.0))
- var blocks []interface{}
-
- for i := 0; i < max; i++ {
- hash := msg.Data.Get(i).Bytes()
- block := p.ethereum.ChainManager().GetBlock(hash)
- if block != nil {
- blocks = append(blocks, block.Value().Raw())
- }
- }
-
- p.QueueMessage(wire.NewMessage(wire.MsgBlockTy, blocks))
-
- case wire.MsgBlockHashesTy:
- p.catchingUp = true
-
- blockPool := p.ethereum.blockPool
-
- foundCommonHash := false
- p.lastHashAt = time.Now()
-
- it := msg.Data.NewIterator()
- for it.Next() {
- hash := it.Value().Bytes()
- p.lastReceivedHash = hash
-
- if blockPool.HasCommonHash(hash) {
- foundCommonHash = true
-
- break
- }
-
- blockPool.AddHash(hash, p)
- }
-
- if !foundCommonHash {
- p.FetchHashes()
- } else {
- peerlogger.Infof("Found common hash (%x...)\n", p.lastReceivedHash[0:4])
- p.doneFetchingHashes = true
- }
-
- case wire.MsgBlockTy:
- p.catchingUp = true
-
- blockPool := p.ethereum.blockPool
-
- it := msg.Data.NewIterator()
- for it.Next() {
- block := types.NewBlockFromRlpValue(it.Value())
- blockPool.Add(block, p)
-
- p.lastBlockReceived = time.Now()
- }
- case wire.MsgNewBlockTy:
- var (
- blockPool = p.ethereum.blockPool
- block = types.NewBlockFromRlpValue(msg.Data.Get(0))
- td = msg.Data.Get(1).BigInt()
- )
-
- if td.Cmp(blockPool.td) > 0 {
- p.ethereum.blockPool.AddNew(block, p)
- }
- }
-
- }
- }
- }
-
- p.Stop()
-}
-
-func (self *Peer) FetchBlocks(hashes [][]byte) {
- if len(hashes) > 0 {
- peerlogger.Debugf("Fetching blocks (%d)\n", len(hashes))
-
- self.QueueMessage(wire.NewMessage(wire.MsgGetBlocksTy, ethutil.ByteSliceToInterface(hashes)))
- }
-}
-
-func (self *Peer) FetchHashes() bool {
- blockPool := self.ethereum.blockPool
-
- return blockPool.FetchHashes(self)
-}
-
-func (self *Peer) FetchingHashes() bool {
- return !self.doneFetchingHashes
-}
-
-// General update method
-func (self *Peer) update() {
- serviceTimer := time.NewTicker(100 * time.Millisecond)
-
-out:
- for {
- select {
- case <-serviceTimer.C:
- if self.IsCap("eth") {
- var (
- sinceBlock = time.Since(self.lastBlockReceived)
- )
-
- if sinceBlock > 5*time.Second {
- self.catchingUp = false
- }
- }
- case <-self.quit:
- break out
- }
- }
-
- serviceTimer.Stop()
-}
-
-func (p *Peer) Start() {
- peerHost, peerPort, _ := net.SplitHostPort(p.conn.LocalAddr().String())
- servHost, servPort, _ := net.SplitHostPort(p.conn.RemoteAddr().String())
-
- if p.inbound {
- p.host, p.port = packAddr(peerHost, peerPort)
- } else {
- p.host, p.port = packAddr(servHost, servPort)
- }
-
- err := p.pushHandshake()
- if err != nil {
- peerlogger.Debugln("Peer can't send outbound version ack", err)
-
- p.Stop()
-
- return
- }
-
- go p.HandleOutbound()
- // Run the inbound handler in a new goroutine
- go p.HandleInbound()
- // Run the general update handler
- go p.update()
-
- // Wait a few seconds for startup and then ask for an initial ping
- time.Sleep(2 * time.Second)
- p.writeMessage(wire.NewMessage(wire.MsgPingTy, ""))
- p.pingStartTime = time.Now()
-
-}
-
-func (p *Peer) Stop() {
- p.StopWithReason(DiscRequested)
-}
-
-func (p *Peer) StopWithReason(reason DiscReason) {
- if atomic.AddInt32(&p.disconnect, 1) != 1 {
- return
- }
-
- // Pre-emptively remove the peer; don't wait for reaping. We already know it's dead if we are here
- p.ethereum.RemovePeer(p)
-
- close(p.quit)
- if atomic.LoadInt32(&p.connected) != 0 {
- p.writeMessage(wire.NewMessage(wire.MsgDiscTy, reason))
- p.conn.Close()
- }
-}
-
-func (p *Peer) peersMessage() *wire.Msg {
- outPeers := make([]interface{}, len(p.ethereum.InOutPeers()))
- // Serialise each peer
- for i, peer := range p.ethereum.InOutPeers() {
- // Don't return localhost as valid peer
- if !net.ParseIP(peer.conn.RemoteAddr().String()).IsLoopback() {
- outPeers[i] = peer.RlpData()
- }
- }
-
- // Return the message to the peer with the known list of connected clients
- return wire.NewMessage(wire.MsgPeersTy, outPeers)
-}
-
-// Pushes the list of outbound peers to the client when requested
-func (p *Peer) pushPeers() {
- p.QueueMessage(p.peersMessage())
-}
-
-func (self *Peer) pushStatus() {
- msg := wire.NewMessage(wire.MsgStatusTy, []interface{}{
- uint32(ProtocolVersion),
- uint32(NetVersion),
- self.ethereum.ChainManager().Td(),
- self.ethereum.ChainManager().CurrentBlock().Hash(),
- self.ethereum.ChainManager().Genesis().Hash(),
- })
-
- self.QueueMessage(msg)
-}
-
-func (self *Peer) handleStatus(msg *wire.Msg) {
- c := msg.Data
-
- var (
- //protoVersion = c.Get(0).Uint()
- netVersion = c.Get(1).Uint()
- td = c.Get(2).BigInt()
- bestHash = c.Get(3).Bytes()
- genesis = c.Get(4).Bytes()
- )
-
- if bytes.Compare(self.ethereum.ChainManager().Genesis().Hash(), genesis) != 0 {
- loggerger.Warnf("Invalid genisis hash %x. Disabling [eth]\n", genesis)
- return
- }
-
- if netVersion != NetVersion {
- loggerger.Warnf("Invalid network version %d. Disabling [eth]\n", netVersion)
- return
- }
-
- /*
- if protoVersion != ProtocolVersion {
- loggerger.Warnf("Invalid protocol version %d. Disabling [eth]\n", protoVersion)
- return
- }
- */
-
- // Get the td and last hash
- self.td = td
- self.bestHash = bestHash
- self.lastReceivedHash = bestHash
-
- self.statusKnown = true
-
- // Compare the total TD with the blockchain TD. If remote is higher
- // fetch hashes from highest TD node.
- self.FetchHashes()
-
- loggerger.Infof("Peer is [eth] capable. (TD = %v ~ %x)", self.td, self.bestHash)
-
-}
-
-func (p *Peer) pushHandshake() error {
- pubkey := p.ethereum.KeyManager().PublicKey()
- msg := wire.NewMessage(wire.MsgHandshakeTy, []interface{}{
- P2PVersion, []byte(p.version), []interface{}{[]interface{}{"eth", ProtocolVersion}}, p.port, pubkey[1:],
- })
-
- p.QueueMessage(msg)
-
- return nil
-}
-
-func (p *Peer) handleHandshake(msg *wire.Msg) {
- c := msg.Data
-
- var (
- p2pVersion = c.Get(0).Uint()
- clientId = c.Get(1).Str()
- caps = c.Get(2)
- port = c.Get(3).Uint()
- pub = c.Get(4).Bytes()
- )
-
- // Check correctness of p2p protocol version
- if p2pVersion != P2PVersion {
- peerlogger.Debugf("Invalid P2P version. Require protocol %d, received %d\n", P2PVersion, p2pVersion)
- p.Stop()
- return
- }
-
- // Handle the pub key (validation, uniqueness)
- if len(pub) == 0 {
- peerlogger.Warnln("Pubkey required, not supplied in handshake.")
- p.Stop()
- return
- }
-
- // Self connect detection
- pubkey := p.ethereum.KeyManager().PublicKey()
- if bytes.Compare(pubkey[1:], pub) == 0 {
- p.Stop()
-
- return
- }
-
- // Check for blacklisting
- for _, pk := range p.ethereum.blacklist {
- if bytes.Compare(pk, pub) == 0 {
- peerlogger.Debugf("Blacklisted peer tried to connect (%x...)\n", pubkey[0:4])
- p.StopWithReason(DiscBadPeer)
-
- return
- }
- }
-
- usedPub := 0
- // This peer is already added to the peerlist so we expect to find a double pubkey at least once
- eachPeer(p.ethereum.Peers(), func(peer *Peer, e *list.Element) {
- if bytes.Compare(pub, peer.pubkey) == 0 {
- usedPub++
- }
- })
-
- if usedPub > 0 {
- peerlogger.Debugf("Pubkey %x found more then once. Already connected to client.", p.pubkey)
- p.Stop()
- return
- }
- p.pubkey = pub
-
- // If this is an inbound connection send an ack back
- if p.inbound {
- p.port = uint16(port)
- }
-
- p.SetVersion(clientId)
-
- p.versionKnown = true
-
- p.ethereum.PushPeer(p)
- p.ethereum.eventMux.Post(PeerListEvent{p.ethereum.Peers()})
-
- p.protocolCaps = caps
-
- it := caps.NewIterator()
- var capsStrs []string
- for it.Next() {
- cap := it.Value().Get(0).Str()
- ver := it.Value().Get(1).Uint()
- switch cap {
- case "eth":
- if ver != ProtocolVersion {
- loggerger.Warnf("Invalid protocol version %d. Disabling [eth]\n", ver)
- continue
- }
- p.pushStatus()
- }
-
- capsStrs = append(capsStrs, fmt.Sprintf("%s/%d", cap, ver))
- }
-
- peerlogger.Infof("Added peer (%s) %d / %d (%v)\n", p.conn.RemoteAddr(), p.ethereum.Peers().Len(), p.ethereum.MaxPeers, capsStrs)
-
- peerlogger.Debugln(p)
-}
-
-func (self *Peer) IsCap(cap string) bool {
- capsIt := self.protocolCaps.NewIterator()
- for capsIt.Next() {
- if capsIt.Value().Str() == cap {
- return true
- }
- }
-
- return false
-}
-
-func (self *Peer) Caps() *ethutil.Value {
- return self.protocolCaps
-}
-
-func (p *Peer) String() string {
- var strBoundType string
- if p.inbound {
- strBoundType = "inbound"
- } else {
- strBoundType = "outbound"
- }
- var strConnectType string
- if atomic.LoadInt32(&p.disconnect) == 0 {
- strConnectType = "connected"
- } else {
- strConnectType = "disconnected"
- }
-
- return fmt.Sprintf("[%s] (%s) %v %s", strConnectType, strBoundType, p.conn.RemoteAddr(), p.version)
-
-}
-
-func (p *Peer) RlpData() []interface{} {
- return []interface{}{p.host, p.port, p.pubkey}
-}
-
-func packAddr(address, _port string) (host []byte, port uint16) {
- p, _ := strconv.Atoi(_port)
- port = uint16(p)
-
- h := net.ParseIP(address)
- if ip := h.To4(); ip != nil {
- host = []byte(ip)
- } else {
- host = []byte(h)
- }
-
- return
-}
-
-func unpackAddr(value *ethutil.Value, p uint64) string {
- host, _ := net.IP(value.Bytes()).MarshalText()
- prt := strconv.Itoa(int(p))
-
- return net.JoinHostPort(string(host), prt)
-}