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cmd/geth, cmd/utils, eth: advertise both eth/60 and eth/61

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pull/1351/head
Péter Szilágyi 10 years ago
parent ba95e445e1
commit 393d675690
5 changed files with 61 additions and 48 deletions
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  1. 3
      cmd/geth/main.go
  2. 6
      cmd/utils/flags.go
  3. 59
      eth/backend.go
  4. 30
      eth/handler.go
  5. 11
      eth/protocol.go

3
cmd/geth/main.go
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@ -261,7 +261,6 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.ExecFlag,
utils.WhisperEnabledFlag,
utils.VMDebugFlag,
utils.ProtocolVersionFlag,
utils.NetworkIdFlag,
utils.RPCCORSDomainFlag,
utils.VerbosityFlag,
@ -598,7 +597,7 @@ func version(c *cli.Context) {
if gitCommit != "" {
fmt.Println("Git Commit:", gitCommit)
}
fmt.Println("Protocol Version:", c.GlobalInt(utils.ProtocolVersionFlag.Name))
fmt.Println("Protocol Versions:", eth.ProtocolVersions)
fmt.Println("Network Id:", c.GlobalInt(utils.NetworkIdFlag.Name))
fmt.Println("Go Version:", runtime.Version())
fmt.Println("OS:", runtime.GOOS)

6
cmd/utils/flags.go
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@ -82,11 +82,6 @@ var (
Usage: "Data directory to be used",
Value: DirectoryString{common.DefaultDataDir()},
}
ProtocolVersionFlag = cli.IntFlag{
Name: "protocolversion",
Usage: "ETH protocol version (integer)",
Value: eth.ProtocolVersion,
}
NetworkIdFlag = cli.IntFlag{
Name: "networkid",
Usage: "Network Id (integer)",
@ -359,7 +354,6 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
return &eth.Config{
Name: common.MakeName(clientID, version),
DataDir: ctx.GlobalString(DataDirFlag.Name),
ProtocolVersion: ctx.GlobalInt(ProtocolVersionFlag.Name),
GenesisNonce: ctx.GlobalInt(GenesisNonceFlag.Name),
BlockChainVersion: ctx.GlobalInt(BlockchainVersionFlag.Name),
SkipBcVersionCheck: false,

59
eth/backend.go
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@ -57,10 +57,9 @@ var (
)
type Config struct {
Name string
ProtocolVersion int
NetworkId int
GenesisNonce int
Name string
NetworkId int
GenesisNonce int
BlockChainVersion int
SkipBcVersionCheck bool // e.g. blockchain export
@ -226,7 +225,6 @@ type Ethereum struct {
autodagquit chan bool
etherbase common.Address
clientVersion string
ethVersionId int
netVersionId int
shhVersionId int
}
@ -291,14 +289,20 @@ func New(config *Config) (*Ethereum, error) {
nodeDb := filepath.Join(config.DataDir, "nodes")
// Perform database sanity checks
d, _ := blockDb.Get([]byte("ProtocolVersion"))
protov := int(common.NewValue(d).Uint())
if protov != config.ProtocolVersion && protov != 0 {
path := filepath.Join(config.DataDir, "blockchain")
return nil, fmt.Errorf("Database version mismatch. Protocol(%d / %d). `rm -rf %s`", protov, config.ProtocolVersion, path)
}
saveProtocolVersion(blockDb, config.ProtocolVersion)
glog.V(logger.Info).Infof("Protocol Version: %v, Network Id: %v", config.ProtocolVersion, config.NetworkId)
/*
// The databases were previously tied to protocol versions. Currently we
// are moving away from this decision as approaching Frontier. The below
// check was left in for now but should eventually be just dropped.
d, _ := blockDb.Get([]byte("ProtocolVersion"))
protov := int(common.NewValue(d).Uint())
if protov != config.ProtocolVersion && protov != 0 {
path := filepath.Join(config.DataDir, "blockchain")
return nil, fmt.Errorf("Database version mismatch. Protocol(%d / %d). `rm -rf %s`", protov, config.ProtocolVersion, path)
}
saveProtocolVersion(blockDb, config.ProtocolVersion)
*/
glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId)
if !config.SkipBcVersionCheck {
b, _ := blockDb.Get([]byte("BlockchainVersion"))
@ -321,7 +325,6 @@ func New(config *Config) (*Ethereum, error) {
DataDir: config.DataDir,
etherbase: common.HexToAddress(config.Etherbase),
clientVersion: config.Name, // TODO should separate from Name
ethVersionId: config.ProtocolVersion,
netVersionId: config.NetworkId,
NatSpec: config.NatSpec,
MinerThreads: config.MinerThreads,
@ -345,7 +348,7 @@ func New(config *Config) (*Ethereum, error) {
eth.blockProcessor = core.NewBlockProcessor(stateDb, extraDb, eth.pow, eth.chainManager, eth.EventMux())
eth.chainManager.SetProcessor(eth.blockProcessor)
eth.protocolManager = NewProtocolManager(config.ProtocolVersion, config.NetworkId, eth.eventMux, eth.txPool, eth.pow, eth.chainManager)
eth.protocolManager = NewProtocolManager(config.NetworkId, eth.eventMux, eth.txPool, eth.pow, eth.chainManager)
eth.miner = miner.New(eth, eth.EventMux(), eth.pow)
eth.miner.SetGasPrice(config.GasPrice)
@ -358,7 +361,7 @@ func New(config *Config) (*Ethereum, error) {
if err != nil {
return nil, err
}
protocols := []p2p.Protocol{eth.protocolManager.SubProtocol}
protocols := append([]p2p.Protocol{}, eth.protocolManager.SubProtocols...)
if config.Shh {
protocols = append(protocols, eth.whisper.Protocol())
}
@ -495,7 +498,7 @@ func (s *Ethereum) PeerCount() int { return s.net.PeerCoun
func (s *Ethereum) Peers() []*p2p.Peer { return s.net.Peers() }
func (s *Ethereum) MaxPeers() int { return s.net.MaxPeers }
func (s *Ethereum) ClientVersion() string { return s.clientVersion }
func (s *Ethereum) EthVersion() int { return s.ethVersionId }
func (s *Ethereum) EthVersion() int { return int(s.protocolManager.SubProtocols[0].Version) }
func (s *Ethereum) NetVersion() int { return s.netVersionId }
func (s *Ethereum) ShhVersion() int { return s.shhVersionId }
func (s *Ethereum) Downloader() *downloader.Downloader { return s.protocolManager.downloader }
@ -504,7 +507,7 @@ func (s *Ethereum) Downloader() *downloader.Downloader { return s.protocolMana
func (s *Ethereum) Start() error {
jsonlogger.LogJson(&logger.LogStarting{
ClientString: s.net.Name,
ProtocolVersion: ProtocolVersion,
ProtocolVersion: s.EthVersion(),
})
err := s.net.Start()
if err != nil {
@ -560,7 +563,7 @@ done:
func (s *Ethereum) StartForTest() {
jsonlogger.LogJson(&logger.LogStarting{
ClientString: s.net.Name,
ProtocolVersion: ProtocolVersion,
ProtocolVersion: s.EthVersion(),
})
}
@ -667,14 +670,20 @@ func (self *Ethereum) StopAutoDAG() {
glog.V(logger.Info).Infof("Automatic pregeneration of ethash DAG OFF (ethash dir: %s)", ethash.DefaultDir)
}
func saveProtocolVersion(db common.Database, protov int) {
d, _ := db.Get([]byte("ProtocolVersion"))
protocolVersion := common.NewValue(d).Uint()
/*
// The databases were previously tied to protocol versions. Currently we
// are moving away from this decision as approaching Frontier. The below
// code was left in for now but should eventually be just dropped.
func saveProtocolVersion(db common.Database, protov int) {
d, _ := db.Get([]byte("ProtocolVersion"))
protocolVersion := common.NewValue(d).Uint()
if protocolVersion == 0 {
db.Put([]byte("ProtocolVersion"), common.NewValue(protov).Bytes())
if protocolVersion == 0 {
db.Put([]byte("ProtocolVersion"), common.NewValue(protov).Bytes())
}
}
}
*/
func saveBlockchainVersion(db common.Database, bcVersion int) {
d, _ := db.Get([]byte("BlockchainVersion"))

30
eth/handler.go
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@ -49,7 +49,7 @@ type ProtocolManager struct {
fetcher *fetcher.Fetcher
peers *peerSet
SubProtocol p2p.Protocol
SubProtocols []p2p.Protocol
eventMux *event.TypeMux
txSub event.Subscription
@ -68,8 +68,8 @@ type ProtocolManager struct {
// NewProtocolManager returns a new ethereum sub protocol manager. The Ethereum sub protocol manages peers capable
// with the ethereum network.
func NewProtocolManager(protocolVersion, networkId int, mux *event.TypeMux, txpool txPool, pow pow.PoW, chainman *core.ChainManager) *ProtocolManager {
// Create the protocol manager and initialize peer handlers
func NewProtocolManager(networkId int, mux *event.TypeMux, txpool txPool, pow pow.PoW, chainman *core.ChainManager) *ProtocolManager {
// Create the protocol manager with the base fields
manager := &ProtocolManager{
eventMux: mux,
txpool: txpool,
@ -79,15 +79,21 @@ func NewProtocolManager(protocolVersion, networkId int, mux *event.TypeMux, txpo
txsyncCh: make(chan *txsync),
quitSync: make(chan struct{}),
}
manager.SubProtocol = p2p.Protocol{
Name: "eth",
Version: uint(protocolVersion),
Length: ProtocolLength,
Run: func(p *p2p.Peer, rw p2p.MsgReadWriter) error {
peer := manager.newPeer(protocolVersion, networkId, p, rw)
manager.newPeerCh <- peer
return manager.handle(peer)
},
// Initiate a sub-protocol for every implemented version we can handle
manager.SubProtocols = make([]p2p.Protocol, len(ProtocolVersions))
for i := 0; i < len(manager.SubProtocols); i++ {
version := ProtocolVersions[i]
manager.SubProtocols[i] = p2p.Protocol{
Name: "eth",
Version: version,
Length: ProtocolLengths[i],
Run: func(p *p2p.Peer, rw p2p.MsgReadWriter) error {
peer := manager.newPeer(int(version), networkId, p, rw)
manager.newPeerCh <- peer
return manager.handle(peer)
},
}
}
// Construct the different synchronisation mechanisms
manager.downloader = downloader.New(manager.eventMux, manager.chainman.HasBlock, manager.chainman.GetBlock, manager.chainman.InsertChain, manager.removePeer)

11
eth/protocol.go
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@ -7,11 +7,15 @@ import (
"github.com/ethereum/go-ethereum/core/types"
)
// Supported versions of the eth protocol (first is primary).
var ProtocolVersions = []uint{61, 60}
// Number of implemented message corresponding to different protocol versions.
var ProtocolLengths = []uint64{9, 8}
const (
ProtocolVersion = 60
NetworkId = 0
ProtocolLength = uint64(8)
ProtocolMaxMsgSize = 10 * 1024 * 1024
ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
)
// eth protocol message codes
@ -24,6 +28,7 @@ const (
GetBlocksMsg
BlocksMsg
NewBlockMsg
BlockHashesFromNumbers
)
type errCode int

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