d3be1a2719
Transactions are now propagated to peers from which we have not yet received the transaction. This will significantly reduce the chatter on the network. Moved new mined block handler to the protocol handler and moved transaction handling to protocol handler.
477 lines
14 KiB
Go
477 lines
14 KiB
Go
package eth
|
|
|
|
import (
|
|
"crypto/ecdsa"
|
|
"fmt"
|
|
"path"
|
|
"strings"
|
|
|
|
"github.com/ethereum/ethash"
|
|
"github.com/ethereum/go-ethereum/accounts"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/core/vm"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/eth/downloader"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/event"
|
|
"github.com/ethereum/go-ethereum/logger"
|
|
"github.com/ethereum/go-ethereum/logger/glog"
|
|
"github.com/ethereum/go-ethereum/miner"
|
|
"github.com/ethereum/go-ethereum/p2p"
|
|
"github.com/ethereum/go-ethereum/p2p/discover"
|
|
"github.com/ethereum/go-ethereum/p2p/nat"
|
|
"github.com/ethereum/go-ethereum/whisper"
|
|
)
|
|
|
|
var (
|
|
jsonlogger = logger.NewJsonLogger()
|
|
|
|
defaultBootNodes = []*discover.Node{
|
|
// ETH/DEV cmd/bootnode
|
|
discover.MustParseNode("enode://09fbeec0d047e9a37e63f60f8618aa9df0e49271f3fadb2c070dc09e2099b95827b63a8b837c6fd01d0802d457dd83e3bd48bd3e6509f8209ed90dabbc30e3d3@52.16.188.185:30303"),
|
|
// ETH/DEV cpp-ethereum (poc-9.ethdev.com)
|
|
discover.MustParseNode("enode://487611428e6c99a11a9795a6abe7b529e81315ca6aad66e2a2fc76e3adf263faba0d35466c2f8f68d561dbefa8878d4df5f1f2ddb1fbeab7f42ffb8cd328bd4a@5.1.83.226:30303"),
|
|
}
|
|
)
|
|
|
|
type Config struct {
|
|
Name string
|
|
ProtocolVersion int
|
|
NetworkId int
|
|
|
|
BlockChainVersion int
|
|
SkipBcVersionCheck bool // e.g. blockchain export
|
|
|
|
DataDir string
|
|
LogFile string
|
|
LogLevel int
|
|
LogJSON string
|
|
VmDebug bool
|
|
NatSpec bool
|
|
|
|
MaxPeers int
|
|
Port string
|
|
|
|
// This should be a space-separated list of
|
|
// discovery node URLs.
|
|
BootNodes string
|
|
|
|
// This key is used to identify the node on the network.
|
|
// If nil, an ephemeral key is used.
|
|
NodeKey *ecdsa.PrivateKey
|
|
|
|
NAT nat.Interface
|
|
Shh bool
|
|
Dial bool
|
|
|
|
Etherbase string
|
|
MinerThreads int
|
|
AccountManager *accounts.Manager
|
|
|
|
// NewDB is used to create databases.
|
|
// If nil, the default is to create leveldb databases on disk.
|
|
NewDB func(path string) (common.Database, error)
|
|
}
|
|
|
|
func (cfg *Config) parseBootNodes() []*discover.Node {
|
|
if cfg.BootNodes == "" {
|
|
return defaultBootNodes
|
|
}
|
|
var ns []*discover.Node
|
|
for _, url := range strings.Split(cfg.BootNodes, " ") {
|
|
if url == "" {
|
|
continue
|
|
}
|
|
n, err := discover.ParseNode(url)
|
|
if err != nil {
|
|
glog.V(logger.Error).Infof("Bootstrap URL %s: %v\n", url, err)
|
|
continue
|
|
}
|
|
ns = append(ns, n)
|
|
}
|
|
return ns
|
|
}
|
|
|
|
func (cfg *Config) nodeKey() (*ecdsa.PrivateKey, error) {
|
|
// use explicit key from command line args if set
|
|
if cfg.NodeKey != nil {
|
|
return cfg.NodeKey, nil
|
|
}
|
|
// use persistent key if present
|
|
keyfile := path.Join(cfg.DataDir, "nodekey")
|
|
key, err := crypto.LoadECDSA(keyfile)
|
|
if err == nil {
|
|
return key, nil
|
|
}
|
|
// no persistent key, generate and store a new one
|
|
if key, err = crypto.GenerateKey(); err != nil {
|
|
return nil, fmt.Errorf("could not generate server key: %v", err)
|
|
}
|
|
if err := crypto.SaveECDSA(keyfile, key); err != nil {
|
|
glog.V(logger.Error).Infoln("could not persist nodekey: ", err)
|
|
}
|
|
return key, nil
|
|
}
|
|
|
|
type Ethereum struct {
|
|
// Channel for shutting down the ethereum
|
|
shutdownChan chan bool
|
|
|
|
// DB interfaces
|
|
blockDb common.Database // Block chain database
|
|
stateDb common.Database // State changes database
|
|
extraDb common.Database // Extra database (txs, etc)
|
|
|
|
//*** SERVICES ***
|
|
// State manager for processing new blocks and managing the over all states
|
|
blockProcessor *core.BlockProcessor
|
|
txPool *core.TxPool
|
|
chainManager *core.ChainManager
|
|
accountManager *accounts.Manager
|
|
whisper *whisper.Whisper
|
|
pow *ethash.Ethash
|
|
protocolManager *ProtocolManager
|
|
downloader *downloader.Downloader
|
|
|
|
net *p2p.Server
|
|
eventMux *event.TypeMux
|
|
txSub event.Subscription
|
|
miner *miner.Miner
|
|
|
|
// logger logger.LogSystem
|
|
|
|
Mining bool
|
|
NatSpec bool
|
|
DataDir string
|
|
etherbase common.Address
|
|
clientVersion string
|
|
ethVersionId int
|
|
netVersionId int
|
|
shhVersionId int
|
|
}
|
|
|
|
func New(config *Config) (*Ethereum, error) {
|
|
// Bootstrap database
|
|
logger.New(config.DataDir, config.LogFile, config.LogLevel)
|
|
if len(config.LogJSON) > 0 {
|
|
logger.NewJSONsystem(config.DataDir, config.LogJSON)
|
|
}
|
|
|
|
newdb := config.NewDB
|
|
if newdb == nil {
|
|
newdb = func(path string) (common.Database, error) { return ethdb.NewLDBDatabase(path) }
|
|
}
|
|
blockDb, err := newdb(path.Join(config.DataDir, "blockchain"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
stateDb, err := newdb(path.Join(config.DataDir, "state"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
extraDb, err := newdb(path.Join(config.DataDir, "extra"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Perform database sanity checks
|
|
d, _ := blockDb.Get([]byte("ProtocolVersion"))
|
|
protov := int(common.NewValue(d).Uint())
|
|
if protov != config.ProtocolVersion && protov != 0 {
|
|
path := path.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)
|
|
|
|
if !config.SkipBcVersionCheck {
|
|
b, _ := blockDb.Get([]byte("BlockchainVersion"))
|
|
bcVersion := int(common.NewValue(b).Uint())
|
|
if bcVersion != config.BlockChainVersion && bcVersion != 0 {
|
|
return nil, fmt.Errorf("Blockchain DB version mismatch (%d / %d). Run geth upgradedb.\n", bcVersion, config.BlockChainVersion)
|
|
}
|
|
saveBlockchainVersion(blockDb, config.BlockChainVersion)
|
|
}
|
|
glog.V(logger.Info).Infof("Blockchain DB Version: %d", config.BlockChainVersion)
|
|
|
|
eth := &Ethereum{
|
|
shutdownChan: make(chan bool),
|
|
blockDb: blockDb,
|
|
stateDb: stateDb,
|
|
extraDb: extraDb,
|
|
eventMux: &event.TypeMux{},
|
|
accountManager: config.AccountManager,
|
|
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,
|
|
}
|
|
|
|
eth.chainManager = core.NewChainManager(blockDb, stateDb, eth.EventMux())
|
|
eth.downloader = downloader.New(eth.chainManager.HasBlock, eth.chainManager.InsertChain, eth.chainManager.Td)
|
|
eth.pow = ethash.New(eth.chainManager)
|
|
eth.txPool = core.NewTxPool(eth.EventMux(), eth.chainManager.State)
|
|
eth.blockProcessor = core.NewBlockProcessor(stateDb, extraDb, eth.pow, eth.txPool, eth.chainManager, eth.EventMux())
|
|
eth.chainManager.SetProcessor(eth.blockProcessor)
|
|
eth.whisper = whisper.New()
|
|
eth.shhVersionId = int(eth.whisper.Version())
|
|
eth.miner = miner.New(eth, eth.pow, config.MinerThreads)
|
|
eth.protocolManager = NewProtocolManager(config.ProtocolVersion, config.NetworkId, eth.eventMux, eth.txPool, eth.chainManager, eth.downloader)
|
|
|
|
netprv, err := config.nodeKey()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
protocols := []p2p.Protocol{eth.protocolManager.SubProtocol}
|
|
if config.Shh {
|
|
protocols = append(protocols, eth.whisper.Protocol())
|
|
}
|
|
eth.net = &p2p.Server{
|
|
PrivateKey: netprv,
|
|
Name: config.Name,
|
|
MaxPeers: config.MaxPeers,
|
|
Protocols: protocols,
|
|
NAT: config.NAT,
|
|
NoDial: !config.Dial,
|
|
BootstrapNodes: config.parseBootNodes(),
|
|
}
|
|
if len(config.Port) > 0 {
|
|
eth.net.ListenAddr = ":" + config.Port
|
|
}
|
|
|
|
vm.Debug = config.VmDebug
|
|
|
|
return eth, nil
|
|
}
|
|
|
|
type NodeInfo struct {
|
|
Name string
|
|
NodeUrl string
|
|
NodeID string
|
|
IP string
|
|
DiscPort int // UDP listening port for discovery protocol
|
|
TCPPort int // TCP listening port for RLPx
|
|
Td string
|
|
ListenAddr string
|
|
}
|
|
|
|
func (s *Ethereum) NodeInfo() *NodeInfo {
|
|
node := s.net.Self()
|
|
|
|
return &NodeInfo{
|
|
Name: s.Name(),
|
|
NodeUrl: node.String(),
|
|
NodeID: node.ID.String(),
|
|
IP: node.IP.String(),
|
|
DiscPort: node.DiscPort,
|
|
TCPPort: node.TCPPort,
|
|
ListenAddr: s.net.ListenAddr,
|
|
Td: s.ChainManager().Td().String(),
|
|
}
|
|
}
|
|
|
|
type PeerInfo struct {
|
|
ID string
|
|
Name string
|
|
Caps string
|
|
RemoteAddress string
|
|
LocalAddress string
|
|
}
|
|
|
|
func newPeerInfo(peer *p2p.Peer) *PeerInfo {
|
|
var caps []string
|
|
for _, cap := range peer.Caps() {
|
|
caps = append(caps, cap.String())
|
|
}
|
|
return &PeerInfo{
|
|
ID: peer.ID().String(),
|
|
Name: peer.Name(),
|
|
Caps: strings.Join(caps, ", "),
|
|
RemoteAddress: peer.RemoteAddr().String(),
|
|
LocalAddress: peer.LocalAddr().String(),
|
|
}
|
|
}
|
|
|
|
// PeersInfo returns an array of PeerInfo objects describing connected peers
|
|
func (s *Ethereum) PeersInfo() (peersinfo []*PeerInfo) {
|
|
for _, peer := range s.net.Peers() {
|
|
if peer != nil {
|
|
peersinfo = append(peersinfo, newPeerInfo(peer))
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
func (s *Ethereum) ResetWithGenesisBlock(gb *types.Block) {
|
|
s.chainManager.ResetWithGenesisBlock(gb)
|
|
s.pow.UpdateCache(0, true)
|
|
}
|
|
|
|
func (s *Ethereum) StartMining() error {
|
|
eb, err := s.Etherbase()
|
|
if err != nil {
|
|
err = fmt.Errorf("Cannot start mining without etherbase address: %v", err)
|
|
glog.V(logger.Error).Infoln(err)
|
|
return err
|
|
|
|
}
|
|
|
|
s.miner.Start(eb)
|
|
return nil
|
|
}
|
|
|
|
func (s *Ethereum) Etherbase() (eb common.Address, err error) {
|
|
eb = s.etherbase
|
|
if (eb == common.Address{}) {
|
|
var ebbytes []byte
|
|
ebbytes, err = s.accountManager.Primary()
|
|
eb = common.BytesToAddress(ebbytes)
|
|
if (eb == common.Address{}) {
|
|
err = fmt.Errorf("no accounts found")
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
func (s *Ethereum) StopMining() { s.miner.Stop() }
|
|
func (s *Ethereum) IsMining() bool { return s.miner.Mining() }
|
|
func (s *Ethereum) Miner() *miner.Miner { return s.miner }
|
|
|
|
// func (s *Ethereum) Logger() logger.LogSystem { return s.logger }
|
|
func (s *Ethereum) Name() string { return s.net.Name }
|
|
func (s *Ethereum) AccountManager() *accounts.Manager { return s.accountManager }
|
|
func (s *Ethereum) ChainManager() *core.ChainManager { return s.chainManager }
|
|
func (s *Ethereum) BlockProcessor() *core.BlockProcessor { return s.blockProcessor }
|
|
func (s *Ethereum) TxPool() *core.TxPool { return s.txPool }
|
|
func (s *Ethereum) Whisper() *whisper.Whisper { return s.whisper }
|
|
func (s *Ethereum) EventMux() *event.TypeMux { return s.eventMux }
|
|
func (s *Ethereum) BlockDb() common.Database { return s.blockDb }
|
|
func (s *Ethereum) StateDb() common.Database { return s.stateDb }
|
|
func (s *Ethereum) ExtraDb() common.Database { return s.extraDb }
|
|
func (s *Ethereum) IsListening() bool { return true } // Always listening
|
|
func (s *Ethereum) PeerCount() int { return s.net.PeerCount() }
|
|
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) NetVersion() int { return s.netVersionId }
|
|
func (s *Ethereum) ShhVersion() int { return s.shhVersionId }
|
|
func (s *Ethereum) Downloader() *downloader.Downloader { return s.downloader }
|
|
|
|
// Start the ethereum
|
|
func (s *Ethereum) Start() error {
|
|
jsonlogger.LogJson(&logger.LogStarting{
|
|
ClientString: s.net.Name,
|
|
ProtocolVersion: ProtocolVersion,
|
|
})
|
|
|
|
if s.net.MaxPeers > 0 {
|
|
err := s.net.Start()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
// Start services
|
|
go s.txPool.Start()
|
|
s.protocolManager.Start()
|
|
|
|
if s.whisper != nil {
|
|
s.whisper.Start()
|
|
}
|
|
|
|
// broadcast transactions
|
|
s.txSub = s.eventMux.Subscribe(core.TxPreEvent{})
|
|
go s.txBroadcastLoop()
|
|
|
|
glog.V(logger.Info).Infoln("Server started")
|
|
return nil
|
|
}
|
|
|
|
func (s *Ethereum) StartForTest() {
|
|
jsonlogger.LogJson(&logger.LogStarting{
|
|
ClientString: s.net.Name,
|
|
ProtocolVersion: ProtocolVersion,
|
|
})
|
|
|
|
// Start services
|
|
s.txPool.Start()
|
|
}
|
|
|
|
func (self *Ethereum) SuggestPeer(nodeURL string) error {
|
|
n, err := discover.ParseNode(nodeURL)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid node URL: %v", err)
|
|
}
|
|
self.net.SuggestPeer(n)
|
|
return nil
|
|
}
|
|
|
|
func (s *Ethereum) Stop() {
|
|
// Close the database
|
|
defer s.blockDb.Close()
|
|
defer s.stateDb.Close()
|
|
defer s.extraDb.Close()
|
|
|
|
s.txSub.Unsubscribe() // quits txBroadcastLoop
|
|
|
|
s.protocolManager.Stop()
|
|
s.txPool.Stop()
|
|
s.eventMux.Stop()
|
|
if s.whisper != nil {
|
|
s.whisper.Stop()
|
|
}
|
|
|
|
glog.V(logger.Info).Infoln("Server stopped")
|
|
close(s.shutdownChan)
|
|
}
|
|
|
|
// This function will wait for a shutdown and resumes main thread execution
|
|
func (s *Ethereum) WaitForShutdown() {
|
|
<-s.shutdownChan
|
|
}
|
|
|
|
func (self *Ethereum) txBroadcastLoop() {
|
|
// automatically stops if unsubscribe
|
|
for obj := range self.txSub.Chan() {
|
|
event := obj.(core.TxPreEvent)
|
|
self.syncAccounts(event.Tx)
|
|
}
|
|
}
|
|
|
|
// keep accounts synced up
|
|
func (self *Ethereum) syncAccounts(tx *types.Transaction) {
|
|
from, err := tx.From()
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if self.accountManager.HasAccount(from.Bytes()) {
|
|
if self.chainManager.TxState().GetNonce(from) < tx.Nonce() {
|
|
self.chainManager.TxState().SetNonce(from, tx.Nonce())
|
|
}
|
|
}
|
|
}
|
|
|
|
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())
|
|
}
|
|
}
|
|
|
|
func saveBlockchainVersion(db common.Database, bcVersion int) {
|
|
d, _ := db.Get([]byte("BlockchainVersion"))
|
|
blockchainVersion := common.NewValue(d).Uint()
|
|
|
|
if blockchainVersion == 0 {
|
|
db.Put([]byte("BlockchainVersion"), common.NewValue(bcVersion).Bytes())
|
|
}
|
|
}
|