forked from cerc-io/plugeth
Updated seed peers
This commit is contained in:
obscuren
parent
3e400739a7
commit
7ccf51fd30
14
ethereum.go
14
ethereum.go
@ -72,10 +72,13 @@ func (s *Ethereum) AddPeer(conn net.Conn) {
|
||||
peer := NewPeer(conn, s, true)
|
||||
|
||||
if peer != nil {
|
||||
s.peers.PushBack(peer)
|
||||
peer.Start()
|
||||
|
||||
log.Println("Peer connected ::", conn.RemoteAddr())
|
||||
if s.peers.Len() > -1 {
|
||||
log.Println("SEED")
|
||||
peer.Start(true)
|
||||
} else {
|
||||
s.peers.PushBack(peer)
|
||||
peer.Start(false)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -164,8 +167,9 @@ func (s *Ethereum) Start() {
|
||||
} else {
|
||||
// Starting accepting connections
|
||||
go func() {
|
||||
log.Println("Ready and accepting connections")
|
||||
|
||||
for {
|
||||
log.Println("Ready and accepting connections")
|
||||
conn, err := ln.Accept()
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
|
||||
241
peer.go
241
peer.go
@ -42,6 +42,9 @@ type Peer struct {
|
||||
// Indicates whether a MsgGetPeersTy was requested of the peer
|
||||
// this to prevent receiving false peers.
|
||||
requestedPeerList bool
|
||||
|
||||
// Determines whether this is a seed peer
|
||||
seed bool
|
||||
}
|
||||
|
||||
func NewPeer(conn net.Conn, ethereum *Ethereum, inbound bool) *Peer {
|
||||
@ -81,9 +84,7 @@ func NewOutboundPeer(addr string, ethereum *Ethereum) *Peer {
|
||||
atomic.StoreInt32(&p.connected, 1)
|
||||
atomic.StoreInt32(&p.disconnect, 0)
|
||||
|
||||
log.Println("Connected to peer ::", conn.RemoteAddr())
|
||||
|
||||
p.Start()
|
||||
p.Start(false)
|
||||
}()
|
||||
|
||||
return p
|
||||
@ -115,6 +116,14 @@ func (p *Peer) writeMessage(msg *ethwire.Msg) {
|
||||
p.Stop()
|
||||
return
|
||||
}
|
||||
|
||||
// XXX TMP CODE FOR TESTNET
|
||||
switch msg.Type {
|
||||
case ethwire.MsgPeersTy:
|
||||
if p.seed {
|
||||
p.Stop()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Outbound message handler. Outbound messages are handled here
|
||||
@ -133,7 +142,7 @@ out:
|
||||
case <-tickleTimer.C:
|
||||
p.writeMessage(ethwire.NewMessage(ethwire.MsgPingTy, ""))
|
||||
|
||||
// Break out of the for loop if a quit message is posted
|
||||
// Break out of the for loop if a quit message is posted
|
||||
case <-p.quit:
|
||||
break out
|
||||
}
|
||||
@ -157,113 +166,118 @@ func (p *Peer) HandleInbound() {
|
||||
out:
|
||||
for atomic.LoadInt32(&p.disconnect) == 0 {
|
||||
// Wait for a message from the peer
|
||||
msg, err := ethwire.ReadMessage(p.conn)
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
msgs, err := ethwire.ReadMessages(p.conn)
|
||||
for _, msg := range msgs {
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
|
||||
break out
|
||||
}
|
||||
break out
|
||||
}
|
||||
|
||||
if ethutil.Config.Debug {
|
||||
log.Printf("Received %s\n", msg.Type.String())
|
||||
}
|
||||
switch msg.Type {
|
||||
case ethwire.MsgHandshakeTy:
|
||||
// Version message
|
||||
p.handleHandshake(msg)
|
||||
case ethwire.MsgDiscTy:
|
||||
p.Stop()
|
||||
case ethwire.MsgPingTy:
|
||||
// Respond back with pong
|
||||
p.QueueMessage(ethwire.NewMessage(ethwire.MsgPongTy, ""))
|
||||
case ethwire.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()
|
||||
case ethwire.MsgBlockTy:
|
||||
// Get all blocks and process them
|
||||
msg.Data = msg.Data
|
||||
for i := msg.Data.Length() - 1; i >= 0; i-- {
|
||||
block := ethchain.NewBlockFromRlpValue(msg.Data.Get(i))
|
||||
err := p.ethereum.BlockManager.ProcessBlock(block)
|
||||
|
||||
switch msg.Type {
|
||||
case ethwire.MsgHandshakeTy:
|
||||
// Version message
|
||||
p.handleHandshake(msg)
|
||||
case ethwire.MsgDiscTy:
|
||||
p.Stop()
|
||||
case ethwire.MsgPingTy:
|
||||
// Respond back with pong
|
||||
p.QueueMessage(ethwire.NewMessage(ethwire.MsgPongTy, ""))
|
||||
case ethwire.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()
|
||||
case ethwire.MsgBlockTy:
|
||||
// Get all blocks and process them (TODO reverse order?)
|
||||
msg.Data = msg.Data.Get(0)
|
||||
for i := msg.Data.Length() - 1; i >= 0; i-- {
|
||||
block := ethchain.NewBlockFromRlpValue(msg.Data.Get(i))
|
||||
err := p.ethereum.BlockManager.ProcessBlock(block)
|
||||
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
}
|
||||
}
|
||||
}
|
||||
case ethwire.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.Length(); i++ {
|
||||
p.ethereum.TxPool.QueueTransaction(ethchain.NewTransactionFromRlpValue(msg.Data.Get(i)))
|
||||
}
|
||||
case ethwire.MsgGetPeersTy:
|
||||
// Flag this peer as a 'requested of new peers' this to
|
||||
// prevent malicious peers being forced.
|
||||
p.requestedPeerList = true
|
||||
// Peer asked for list of connected peers
|
||||
p.pushPeers()
|
||||
case ethwire.MsgPeersTy:
|
||||
// Received a list of peers (probably because MsgGetPeersTy was send)
|
||||
// Only act on message if we actually requested for a peers list
|
||||
if p.requestedPeerList {
|
||||
data := ethutil.Conv(msg.Data)
|
||||
// Create new list of possible peers for the ethereum to process
|
||||
peers := make([]string, data.Length())
|
||||
// Parse each possible peer
|
||||
for i := 0; i < data.Length(); i++ {
|
||||
peers[i] = data.Get(i).AsString() + strconv.Itoa(int(data.Get(i).AsUint()))
|
||||
case ethwire.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.Length(); i++ {
|
||||
p.ethereum.TxPool.QueueTransaction(ethchain.NewTransactionFromRlpValue(msg.Data.Get(i)))
|
||||
}
|
||||
case ethwire.MsgGetPeersTy:
|
||||
// Flag this peer as a 'requested of new peers' this to
|
||||
// prevent malicious peers being forced.
|
||||
p.requestedPeerList = true
|
||||
// Peer asked for list of connected peers
|
||||
p.pushPeers()
|
||||
case ethwire.MsgPeersTy:
|
||||
// Received a list of peers (probably because MsgGetPeersTy was send)
|
||||
// Only act on message if we actually requested for a peers list
|
||||
if p.requestedPeerList {
|
||||
data := ethutil.Conv(msg.Data)
|
||||
// Create new list of possible peers for the ethereum to process
|
||||
peers := make([]string, data.Length())
|
||||
// Parse each possible peer
|
||||
for i := 0; i < data.Length(); i++ {
|
||||
peers[i] = data.Get(i).AsString() + strconv.Itoa(int(data.Get(i).AsUint()))
|
||||
}
|
||||
|
||||
// Connect to the list of peers
|
||||
p.ethereum.ProcessPeerList(peers)
|
||||
// Mark unrequested again
|
||||
p.requestedPeerList = false
|
||||
}
|
||||
case ethwire.MsgGetChainTy:
|
||||
var parent *ethchain.Block
|
||||
// FIXME
|
||||
msg.Data = msg.Data.Get(0)
|
||||
// Length minus one since the very last element in the array is a count
|
||||
l := msg.Data.Length() - 1
|
||||
// Amount of parents in the canonical chain
|
||||
amountOfBlocks := msg.Data.Get(l).AsUint()
|
||||
// Check each SHA block hash from the message and determine whether
|
||||
// the SHA is in the database
|
||||
for i := 0; i < l; i++ {
|
||||
if data := msg.Data.Get(i).AsBytes(); p.ethereum.BlockManager.BlockChain().HasBlock(data) {
|
||||
parent = p.ethereum.BlockManager.BlockChain().GetBlock(data)
|
||||
// Connect to the list of peers
|
||||
p.ethereum.ProcessPeerList(peers)
|
||||
// Mark unrequested again
|
||||
p.requestedPeerList = false
|
||||
|
||||
}
|
||||
case ethwire.MsgGetChainTy:
|
||||
var parent *ethchain.Block
|
||||
// Length minus one since the very last element in the array is a count
|
||||
l := msg.Data.Length() - 1
|
||||
// Ignore empty get chains
|
||||
if l <= 1 {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
// If a parent is found send back a reply
|
||||
if parent != nil {
|
||||
chain := p.ethereum.BlockManager.BlockChain().GetChainFromHash(parent.Hash(), amountOfBlocks)
|
||||
p.QueueMessage(ethwire.NewMessage(ethwire.MsgBlockTy, chain))
|
||||
} else {
|
||||
// If no blocks are found we send back a reply with msg not in chain
|
||||
// and the last hash from get chain
|
||||
lastHash := msg.Data.Get(l)
|
||||
p.QueueMessage(ethwire.NewMessage(ethwire.MsgNotInChainTy, lastHash.AsRaw()))
|
||||
}
|
||||
case ethwire.MsgNotInChainTy:
|
||||
log.Println("Not in chain, not yet implemented")
|
||||
// TODO
|
||||
// Amount of parents in the canonical chain
|
||||
amountOfBlocks := msg.Data.Get(l).AsUint()
|
||||
// Check each SHA block hash from the message and determine whether
|
||||
// the SHA is in the database
|
||||
for i := 0; i < l; i++ {
|
||||
if data := msg.Data.Get(i).AsBytes(); p.ethereum.BlockManager.BlockChain().HasBlock(data) {
|
||||
parent = p.ethereum.BlockManager.BlockChain().GetBlock(data)
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
// Unofficial but fun nonetheless
|
||||
case ethwire.MsgTalkTy:
|
||||
log.Printf("%v says: %s\n", p.conn.RemoteAddr(), msg.Data.Get(0).AsString())
|
||||
// If a parent is found send back a reply
|
||||
if parent != nil {
|
||||
chain := p.ethereum.BlockManager.BlockChain().GetChainFromHash(parent.Hash(), amountOfBlocks)
|
||||
p.QueueMessage(ethwire.NewMessage(ethwire.MsgBlockTy, append(chain, amountOfBlocks)))
|
||||
} else {
|
||||
// If no blocks are found we send back a reply with msg not in chain
|
||||
// and the last hash from get chain
|
||||
lastHash := msg.Data.Get(l - 1)
|
||||
log.Printf("Sending not in chain with hash %x\n", lastHash.AsRaw())
|
||||
p.QueueMessage(ethwire.NewMessage(ethwire.MsgNotInChainTy, []interface{}{lastHash.AsRaw()}))
|
||||
}
|
||||
case ethwire.MsgNotInChainTy:
|
||||
log.Printf("Not in chain %x\n", msg.Data)
|
||||
// TODO
|
||||
|
||||
// Unofficial but fun nonetheless
|
||||
case ethwire.MsgTalkTy:
|
||||
log.Printf("%v says: %s\n", p.conn.RemoteAddr(), msg.Data.AsString())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
p.Stop()
|
||||
}
|
||||
|
||||
func (p *Peer) Start() {
|
||||
func (p *Peer) Start(seed bool) {
|
||||
p.seed = seed
|
||||
|
||||
if !p.inbound {
|
||||
err := p.pushHandshake()
|
||||
if err != nil {
|
||||
@ -277,6 +291,7 @@ func (p *Peer) Start() {
|
||||
go p.HandleOutbound()
|
||||
// Run the inbound handler in a new goroutine
|
||||
go p.HandleInbound()
|
||||
|
||||
}
|
||||
|
||||
func (p *Peer) Stop() {
|
||||
@ -294,9 +309,9 @@ func (p *Peer) Stop() {
|
||||
}
|
||||
|
||||
func (p *Peer) pushHandshake() error {
|
||||
msg := ethwire.NewMessage(ethwire.MsgHandshakeTy, ethutil.Encode([]interface{}{
|
||||
1, 0, p.ethereum.Nonce,
|
||||
}))
|
||||
msg := ethwire.NewMessage(ethwire.MsgHandshakeTy, []interface{}{
|
||||
uint32(0), uint32(0), "/Ethereum(G) v0.0.1/",
|
||||
})
|
||||
|
||||
p.QueueMessage(msg)
|
||||
|
||||
@ -305,6 +320,7 @@ func (p *Peer) pushHandshake() error {
|
||||
|
||||
// Pushes the list of outbound peers to the client when requested
|
||||
func (p *Peer) pushPeers() {
|
||||
|
||||
outPeers := make([]interface{}, len(p.ethereum.OutboundPeers()))
|
||||
// Serialise each peer
|
||||
for i, peer := range p.ethereum.OutboundPeers() {
|
||||
@ -312,7 +328,7 @@ func (p *Peer) pushPeers() {
|
||||
}
|
||||
|
||||
// Send message to the peer with the known list of connected clients
|
||||
msg := ethwire.NewMessage(ethwire.MsgPeersTy, ethutil.Encode(outPeers))
|
||||
msg := ethwire.NewMessage(ethwire.MsgPeersTy, outPeers)
|
||||
|
||||
p.QueueMessage(msg)
|
||||
}
|
||||
@ -320,29 +336,28 @@ func (p *Peer) pushPeers() {
|
||||
func (p *Peer) handleHandshake(msg *ethwire.Msg) {
|
||||
c := msg.Data
|
||||
// [PROTOCOL_VERSION, NETWORK_ID, CLIENT_ID]
|
||||
if c.Get(2).AsUint() == p.ethereum.Nonce {
|
||||
//if msg.Nonce == p.ethereum.Nonce {
|
||||
log.Println("Peer connected to self, disconnecting")
|
||||
|
||||
p.Stop()
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
p.versionKnown = true
|
||||
|
||||
var istr string
|
||||
// If this is an inbound connection send an ack back
|
||||
if p.inbound {
|
||||
err := p.pushHandshake()
|
||||
if err != nil {
|
||||
log.Println("Peer can't send ack back")
|
||||
/*
|
||||
err := p.pushHandshake()
|
||||
if err != nil {
|
||||
log.Println("Peer can't send ack back")
|
||||
|
||||
p.Stop()
|
||||
}
|
||||
p.Stop()
|
||||
}
|
||||
*/
|
||||
istr = "inbound"
|
||||
} else {
|
||||
msg := ethwire.NewMessage(ethwire.MsgGetChainTy, []interface{}{p.ethereum.BlockManager.BlockChain().CurrentBlock.Hash(), uint64(100)})
|
||||
p.QueueMessage(msg)
|
||||
|
||||
istr = "outbound"
|
||||
}
|
||||
|
||||
log.Printf("peer connect (%s) %v %s\n", istr, p.conn.RemoteAddr(), c.Get(2).AsString())
|
||||
}
|
||||
|
||||
func (p *Peer) RlpEncode() []byte {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user