mirror of https://github.com/poanetwork/quorum.git
756 lines
23 KiB
Go
756 lines
23 KiB
Go
// Copyright 2014 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library 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.
|
|
//
|
|
// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
// Package eth implements the Ethereum protocol.
|
|
package eth
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/ecdsa"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"math/big"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/ethereum/ethash"
|
|
"github.com/ethereum/go-ethereum/accounts"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/common/compiler"
|
|
"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"
|
|
)
|
|
|
|
const (
|
|
epochLength = 30000
|
|
ethashRevision = 23
|
|
|
|
autoDAGcheckInterval = 10 * time.Hour
|
|
autoDAGepochHeight = epochLength / 2
|
|
)
|
|
|
|
var (
|
|
jsonlogger = logger.NewJsonLogger()
|
|
|
|
defaultBootNodes = []*discover.Node{
|
|
// ETH/DEV Go Bootnodes
|
|
discover.MustParseNode("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303"), // IE
|
|
discover.MustParseNode("enode://de471bccee3d042261d52e9bff31458daecc406142b401d4cd848f677479f73104b9fdeb090af9583d3391b7f10cb2ba9e26865dd5fca4fcdc0fb1e3b723c786@54.94.239.50:30303"), // BR
|
|
discover.MustParseNode("enode://1118980bf48b0a3640bdba04e0fe78b1add18e1cd99bf22d53daac1fd9972ad650df52176e7c7d89d1114cfef2bc23a2959aa54998a46afcf7d91809f0855082@52.74.57.123:30303"), // SG
|
|
// ETH/DEV cpp-ethereum (poc-9.ethdev.com)
|
|
discover.MustParseNode("enode://979b7fa28feeb35a4741660a16076f1943202cb72b6af70d327f053e248bab9ba81760f39d0701ef1d8f89cc1fbd2cacba0710a12cd5314d5e0c9021aa3637f9@5.1.83.226:30303"),
|
|
}
|
|
|
|
staticNodes = "static-nodes.json" // Path within <datadir> to search for the static node list
|
|
trustedNodes = "trusted-nodes.json" // Path within <datadir> to search for the trusted node list
|
|
)
|
|
|
|
type Config struct {
|
|
DevMode bool
|
|
|
|
Name string
|
|
NetworkId int
|
|
GenesisNonce int
|
|
GenesisFile string
|
|
GenesisBlock *types.Block // used by block tests
|
|
Olympic bool
|
|
|
|
BlockChainVersion int
|
|
SkipBcVersionCheck bool // e.g. blockchain export
|
|
DatabaseCache int
|
|
|
|
DataDir string
|
|
LogFile string
|
|
Verbosity int
|
|
LogJSON string
|
|
VmDebug bool
|
|
NatSpec bool
|
|
AutoDAG bool
|
|
PowTest bool
|
|
ExtraData []byte
|
|
|
|
MaxPeers int
|
|
MaxPendingPeers int
|
|
Discovery bool
|
|
Port string
|
|
|
|
// 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 common.Address
|
|
GasPrice *big.Int
|
|
MinerThreads int
|
|
AccountManager *accounts.Manager
|
|
SolcPath string
|
|
|
|
GpoMinGasPrice *big.Int
|
|
GpoMaxGasPrice *big.Int
|
|
GpoFullBlockRatio int
|
|
GpobaseStepDown int
|
|
GpobaseStepUp int
|
|
GpobaseCorrectionFactor int
|
|
|
|
// NewDB is used to create databases.
|
|
// If nil, the default is to create leveldb databases on disk.
|
|
NewDB func(path string) (ethdb.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
|
|
}
|
|
|
|
// parseNodes parses a list of discovery node URLs loaded from a .json file.
|
|
func (cfg *Config) parseNodes(file string) []*discover.Node {
|
|
// Short circuit if no node config is present
|
|
path := filepath.Join(cfg.DataDir, file)
|
|
if _, err := os.Stat(path); err != nil {
|
|
return nil
|
|
}
|
|
// Load the nodes from the config file
|
|
blob, err := ioutil.ReadFile(path)
|
|
if err != nil {
|
|
glog.V(logger.Error).Infof("Failed to access nodes: %v", err)
|
|
return nil
|
|
}
|
|
nodelist := []string{}
|
|
if err := json.Unmarshal(blob, &nodelist); err != nil {
|
|
glog.V(logger.Error).Infof("Failed to load nodes: %v", err)
|
|
return nil
|
|
}
|
|
// Interpret the list as a discovery node array
|
|
var nodes []*discover.Node
|
|
for _, url := range nodelist {
|
|
if url == "" {
|
|
continue
|
|
}
|
|
node, err := discover.ParseNode(url)
|
|
if err != nil {
|
|
glog.V(logger.Error).Infof("Node URL %s: %v\n", url, err)
|
|
continue
|
|
}
|
|
nodes = append(nodes, node)
|
|
}
|
|
return nodes
|
|
}
|
|
|
|
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 := filepath.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
|
|
chainDb ethdb.Database // Block chain database
|
|
dappDb ethdb.Database // Dapp database
|
|
|
|
//*** 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
|
|
SolcPath string
|
|
solc *compiler.Solidity
|
|
|
|
GpoMinGasPrice *big.Int
|
|
GpoMaxGasPrice *big.Int
|
|
GpoFullBlockRatio int
|
|
GpobaseStepDown int
|
|
GpobaseStepUp int
|
|
GpobaseCorrectionFactor int
|
|
|
|
net *p2p.Server
|
|
eventMux *event.TypeMux
|
|
miner *miner.Miner
|
|
|
|
// logger logger.LogSystem
|
|
|
|
Mining bool
|
|
MinerThreads int
|
|
NatSpec bool
|
|
DataDir string
|
|
AutoDAG bool
|
|
PowTest bool
|
|
autodagquit chan bool
|
|
etherbase common.Address
|
|
clientVersion string
|
|
netVersionId int
|
|
shhVersionId int
|
|
}
|
|
|
|
func New(config *Config) (*Ethereum, error) {
|
|
// Bootstrap database
|
|
logger.New(config.DataDir, config.LogFile, config.Verbosity)
|
|
if len(config.LogJSON) > 0 {
|
|
logger.NewJSONsystem(config.DataDir, config.LogJSON)
|
|
}
|
|
|
|
// Let the database take 3/4 of the max open files (TODO figure out a way to get the actual limit of the open files)
|
|
const dbCount = 3
|
|
ethdb.OpenFileLimit = 128 / (dbCount + 1)
|
|
|
|
newdb := config.NewDB
|
|
if newdb == nil {
|
|
newdb = func(path string) (ethdb.Database, error) { return ethdb.NewLDBDatabase(path, config.DatabaseCache) }
|
|
}
|
|
|
|
// Open the chain database and perform any upgrades needed
|
|
chainDb, err := newdb(filepath.Join(config.DataDir, "chaindata"))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("blockchain db err: %v", err)
|
|
}
|
|
if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
|
|
db.Meter("eth/db/chaindata/")
|
|
}
|
|
if err := upgradeChainDatabase(chainDb); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
dappDb, err := newdb(filepath.Join(config.DataDir, "dapp"))
|
|
if err != nil {
|
|
return nil, fmt.Errorf("dapp db err: %v", err)
|
|
}
|
|
if db, ok := dappDb.(*ethdb.LDBDatabase); ok {
|
|
db.Meter("eth/db/dapp/")
|
|
}
|
|
|
|
nodeDb := filepath.Join(config.DataDir, "nodes")
|
|
glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId)
|
|
|
|
if len(config.GenesisFile) > 0 {
|
|
fr, err := os.Open(config.GenesisFile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
block, err := core.WriteGenesisBlock(chainDb, fr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
glog.V(logger.Info).Infof("Successfully wrote genesis block. New genesis hash = %x\n", block.Hash())
|
|
}
|
|
|
|
// different modes
|
|
switch {
|
|
case config.Olympic:
|
|
glog.V(logger.Error).Infoln("Starting Olympic network")
|
|
fallthrough
|
|
case config.DevMode:
|
|
_, err := core.WriteTestNetGenesisBlock(chainDb, 42)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
// This is for testing only.
|
|
if config.GenesisBlock != nil {
|
|
core.WriteTd(chainDb, config.GenesisBlock.Hash(), config.GenesisBlock.Difficulty())
|
|
core.WriteBlock(chainDb, config.GenesisBlock)
|
|
core.WriteCanonicalHash(chainDb, config.GenesisBlock.Hash(), config.GenesisBlock.NumberU64())
|
|
core.WriteHeadBlockHash(chainDb, config.GenesisBlock.Hash())
|
|
}
|
|
|
|
if !config.SkipBcVersionCheck {
|
|
b, _ := chainDb.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(chainDb, config.BlockChainVersion)
|
|
}
|
|
glog.V(logger.Info).Infof("Blockchain DB Version: %d", config.BlockChainVersion)
|
|
|
|
eth := &Ethereum{
|
|
shutdownChan: make(chan bool),
|
|
chainDb: chainDb,
|
|
dappDb: dappDb,
|
|
eventMux: &event.TypeMux{},
|
|
accountManager: config.AccountManager,
|
|
DataDir: config.DataDir,
|
|
etherbase: config.Etherbase,
|
|
clientVersion: config.Name, // TODO should separate from Name
|
|
netVersionId: config.NetworkId,
|
|
NatSpec: config.NatSpec,
|
|
MinerThreads: config.MinerThreads,
|
|
SolcPath: config.SolcPath,
|
|
AutoDAG: config.AutoDAG,
|
|
PowTest: config.PowTest,
|
|
GpoMinGasPrice: config.GpoMinGasPrice,
|
|
GpoMaxGasPrice: config.GpoMaxGasPrice,
|
|
GpoFullBlockRatio: config.GpoFullBlockRatio,
|
|
GpobaseStepDown: config.GpobaseStepDown,
|
|
GpobaseStepUp: config.GpobaseStepUp,
|
|
GpobaseCorrectionFactor: config.GpobaseCorrectionFactor,
|
|
}
|
|
|
|
if config.PowTest {
|
|
glog.V(logger.Info).Infof("ethash used in test mode")
|
|
eth.pow, err = ethash.NewForTesting()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
} else {
|
|
eth.pow = ethash.New()
|
|
}
|
|
//genesis := core.GenesisBlock(uint64(config.GenesisNonce), stateDb)
|
|
eth.chainManager, err = core.NewChainManager(chainDb, eth.pow, eth.EventMux())
|
|
if err != nil {
|
|
if err == core.ErrNoGenesis {
|
|
return nil, fmt.Errorf(`Genesis block not found. Please supply a genesis block with the "--genesis /path/to/file" argument`)
|
|
}
|
|
|
|
return nil, err
|
|
}
|
|
eth.txPool = core.NewTxPool(eth.EventMux(), eth.chainManager.State, eth.chainManager.GasLimit)
|
|
|
|
eth.blockProcessor = core.NewBlockProcessor(chainDb, eth.pow, eth.chainManager, eth.EventMux())
|
|
eth.chainManager.SetProcessor(eth.blockProcessor)
|
|
eth.protocolManager = NewProtocolManager(config.NetworkId, eth.eventMux, eth.txPool, eth.pow, eth.chainManager, chainDb)
|
|
|
|
eth.miner = miner.New(eth, eth.EventMux(), eth.pow)
|
|
eth.miner.SetGasPrice(config.GasPrice)
|
|
eth.miner.SetExtra(config.ExtraData)
|
|
|
|
if config.Shh {
|
|
eth.whisper = whisper.New()
|
|
eth.shhVersionId = int(eth.whisper.Version())
|
|
}
|
|
|
|
netprv, err := config.nodeKey()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
protocols := append([]p2p.Protocol{}, eth.protocolManager.SubProtocols...)
|
|
if config.Shh {
|
|
protocols = append(protocols, eth.whisper.Protocol())
|
|
}
|
|
eth.net = &p2p.Server{
|
|
PrivateKey: netprv,
|
|
Name: config.Name,
|
|
MaxPeers: config.MaxPeers,
|
|
MaxPendingPeers: config.MaxPendingPeers,
|
|
Discovery: config.Discovery,
|
|
Protocols: protocols,
|
|
NAT: config.NAT,
|
|
NoDial: !config.Dial,
|
|
BootstrapNodes: config.parseBootNodes(),
|
|
StaticNodes: config.parseNodes(staticNodes),
|
|
TrustedNodes: config.parseNodes(trustedNodes),
|
|
NodeDatabase: nodeDb,
|
|
}
|
|
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: int(node.UDP),
|
|
TCPPort: int(node.TCP),
|
|
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)
|
|
}
|
|
|
|
func (s *Ethereum) StartMining(threads int) 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
|
|
}
|
|
|
|
go s.miner.Start(eb, threads)
|
|
return nil
|
|
}
|
|
|
|
func (s *Ethereum) Etherbase() (eb common.Address, err error) {
|
|
eb = s.etherbase
|
|
if (eb == common.Address{}) {
|
|
addr, e := s.AccountManager().AddressByIndex(0)
|
|
if e != nil {
|
|
err = fmt.Errorf("etherbase address must be explicitly specified")
|
|
}
|
|
eb = common.HexToAddress(addr)
|
|
}
|
|
return
|
|
}
|
|
|
|
// set in js console via admin interface or wrapper from cli flags
|
|
func (self *Ethereum) SetEtherbase(etherbase common.Address) {
|
|
self.etherbase = etherbase
|
|
self.miner.SetEtherbase(etherbase)
|
|
}
|
|
|
|
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) ChainDb() ethdb.Database { return s.chainDb }
|
|
func (s *Ethereum) DappDb() ethdb.Database { return s.dappDb }
|
|
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 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 }
|
|
|
|
// Start the ethereum
|
|
func (s *Ethereum) Start() error {
|
|
jsonlogger.LogJson(&logger.LogStarting{
|
|
ClientString: s.net.Name,
|
|
ProtocolVersion: s.EthVersion(),
|
|
})
|
|
err := s.net.Start()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if s.AutoDAG {
|
|
s.StartAutoDAG()
|
|
}
|
|
|
|
s.protocolManager.Start()
|
|
|
|
if s.whisper != nil {
|
|
s.whisper.Start()
|
|
}
|
|
|
|
glog.V(logger.Info).Infoln("Server started")
|
|
return nil
|
|
}
|
|
|
|
func (s *Ethereum) StartForTest() {
|
|
jsonlogger.LogJson(&logger.LogStarting{
|
|
ClientString: s.net.Name,
|
|
ProtocolVersion: s.EthVersion(),
|
|
})
|
|
}
|
|
|
|
// AddPeer connects to the given node and maintains the connection until the
|
|
// server is shut down. If the connection fails for any reason, the server will
|
|
// attempt to reconnect the peer.
|
|
func (self *Ethereum) AddPeer(nodeURL string) error {
|
|
n, err := discover.ParseNode(nodeURL)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid node URL: %v", err)
|
|
}
|
|
self.net.AddPeer(n)
|
|
return nil
|
|
}
|
|
|
|
func (s *Ethereum) Stop() {
|
|
s.net.Stop()
|
|
s.chainManager.Stop()
|
|
s.protocolManager.Stop()
|
|
s.txPool.Stop()
|
|
s.eventMux.Stop()
|
|
if s.whisper != nil {
|
|
s.whisper.Stop()
|
|
}
|
|
s.StopAutoDAG()
|
|
|
|
s.chainDb.Close()
|
|
s.dappDb.Close()
|
|
close(s.shutdownChan)
|
|
}
|
|
|
|
// This function will wait for a shutdown and resumes main thread execution
|
|
func (s *Ethereum) WaitForShutdown() {
|
|
<-s.shutdownChan
|
|
}
|
|
|
|
// StartAutoDAG() spawns a go routine that checks the DAG every autoDAGcheckInterval
|
|
// by default that is 10 times per epoch
|
|
// in epoch n, if we past autoDAGepochHeight within-epoch blocks,
|
|
// it calls ethash.MakeDAG to pregenerate the DAG for the next epoch n+1
|
|
// if it does not exist yet as well as remove the DAG for epoch n-1
|
|
// the loop quits if autodagquit channel is closed, it can safely restart and
|
|
// stop any number of times.
|
|
// For any more sophisticated pattern of DAG generation, use CLI subcommand
|
|
// makedag
|
|
func (self *Ethereum) StartAutoDAG() {
|
|
if self.autodagquit != nil {
|
|
return // already started
|
|
}
|
|
go func() {
|
|
glog.V(logger.Info).Infof("Automatic pregeneration of ethash DAG ON (ethash dir: %s)", ethash.DefaultDir)
|
|
var nextEpoch uint64
|
|
timer := time.After(0)
|
|
self.autodagquit = make(chan bool)
|
|
for {
|
|
select {
|
|
case <-timer:
|
|
glog.V(logger.Info).Infof("checking DAG (ethash dir: %s)", ethash.DefaultDir)
|
|
currentBlock := self.ChainManager().CurrentBlock().NumberU64()
|
|
thisEpoch := currentBlock / epochLength
|
|
if nextEpoch <= thisEpoch {
|
|
if currentBlock%epochLength > autoDAGepochHeight {
|
|
if thisEpoch > 0 {
|
|
previousDag, previousDagFull := dagFiles(thisEpoch - 1)
|
|
os.Remove(filepath.Join(ethash.DefaultDir, previousDag))
|
|
os.Remove(filepath.Join(ethash.DefaultDir, previousDagFull))
|
|
glog.V(logger.Info).Infof("removed DAG for epoch %d (%s)", thisEpoch-1, previousDag)
|
|
}
|
|
nextEpoch = thisEpoch + 1
|
|
dag, _ := dagFiles(nextEpoch)
|
|
if _, err := os.Stat(dag); os.IsNotExist(err) {
|
|
glog.V(logger.Info).Infof("Pregenerating DAG for epoch %d (%s)", nextEpoch, dag)
|
|
err := ethash.MakeDAG(nextEpoch*epochLength, "") // "" -> ethash.DefaultDir
|
|
if err != nil {
|
|
glog.V(logger.Error).Infof("Error generating DAG for epoch %d (%s)", nextEpoch, dag)
|
|
return
|
|
}
|
|
} else {
|
|
glog.V(logger.Error).Infof("DAG for epoch %d (%s)", nextEpoch, dag)
|
|
}
|
|
}
|
|
}
|
|
timer = time.After(autoDAGcheckInterval)
|
|
case <-self.autodagquit:
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
// stopAutoDAG stops automatic DAG pregeneration by quitting the loop
|
|
func (self *Ethereum) StopAutoDAG() {
|
|
if self.autodagquit != nil {
|
|
close(self.autodagquit)
|
|
self.autodagquit = nil
|
|
}
|
|
glog.V(logger.Info).Infof("Automatic pregeneration of ethash DAG OFF (ethash dir: %s)", ethash.DefaultDir)
|
|
}
|
|
|
|
func (self *Ethereum) Solc() (*compiler.Solidity, error) {
|
|
var err error
|
|
if self.solc == nil {
|
|
self.solc, err = compiler.New(self.SolcPath)
|
|
}
|
|
return self.solc, err
|
|
}
|
|
|
|
// set in js console via admin interface or wrapper from cli flags
|
|
func (self *Ethereum) SetSolc(solcPath string) (*compiler.Solidity, error) {
|
|
self.SolcPath = solcPath
|
|
self.solc = nil
|
|
return self.Solc()
|
|
}
|
|
|
|
// dagFiles(epoch) returns the two alternative DAG filenames (not a path)
|
|
// 1) <revision>-<hex(seedhash[8])> 2) full-R<revision>-<hex(seedhash[8])>
|
|
func dagFiles(epoch uint64) (string, string) {
|
|
seedHash, _ := ethash.GetSeedHash(epoch * epochLength)
|
|
dag := fmt.Sprintf("full-R%d-%x", ethashRevision, seedHash[:8])
|
|
return dag, "full-R" + dag
|
|
}
|
|
|
|
func saveBlockchainVersion(db ethdb.Database, bcVersion int) {
|
|
d, _ := db.Get([]byte("BlockchainVersion"))
|
|
blockchainVersion := common.NewValue(d).Uint()
|
|
|
|
if blockchainVersion == 0 {
|
|
db.Put([]byte("BlockchainVersion"), common.NewValue(bcVersion).Bytes())
|
|
}
|
|
}
|
|
|
|
// upgradeChainDatabase ensures that the chain database stores block split into
|
|
// separate header and body entries.
|
|
func upgradeChainDatabase(db ethdb.Database) error {
|
|
// Short circuit if the head block is stored already as separate header and body
|
|
data, err := db.Get([]byte("LastBlock"))
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
head := common.BytesToHash(data)
|
|
|
|
if block := core.GetBlockByHashOld(db, head); block == nil {
|
|
return nil
|
|
}
|
|
// At least some of the database is still the old format, upgrade (skip the head block!)
|
|
glog.V(logger.Info).Info("Old database detected, upgrading...")
|
|
|
|
if db, ok := db.(*ethdb.LDBDatabase); ok {
|
|
blockPrefix := []byte("block-hash-")
|
|
for it := db.NewIterator(); it.Next(); {
|
|
// Skip anything other than a combined block
|
|
if !bytes.HasPrefix(it.Key(), blockPrefix) {
|
|
continue
|
|
}
|
|
// Skip the head block (merge last to signal upgrade completion)
|
|
if bytes.HasSuffix(it.Key(), head.Bytes()) {
|
|
continue
|
|
}
|
|
// Load the block, split and serialize (order!)
|
|
block := core.GetBlockByHashOld(db, common.BytesToHash(bytes.TrimPrefix(it.Key(), blockPrefix)))
|
|
|
|
if err := core.WriteTd(db, block.Hash(), block.DeprecatedTd()); err != nil {
|
|
return err
|
|
}
|
|
if err := core.WriteBody(db, block.Hash(), &types.Body{block.Transactions(), block.Uncles()}); err != nil {
|
|
return err
|
|
}
|
|
if err := core.WriteHeader(db, block.Header()); err != nil {
|
|
return err
|
|
}
|
|
if err := db.Delete(it.Key()); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
// Lastly, upgrade the head block, disabling the upgrade mechanism
|
|
current := core.GetBlockByHashOld(db, head)
|
|
|
|
if err := core.WriteTd(db, current.Hash(), current.DeprecatedTd()); err != nil {
|
|
return err
|
|
}
|
|
if err := core.WriteBody(db, current.Hash(), &types.Body{current.Transactions(), current.Uncles()}); err != nil {
|
|
return err
|
|
}
|
|
if err := core.WriteHeader(db, current.Header()); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|