2015-07-06 17:54:22 -07:00
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// Copyright 2014 The go-ethereum Authors
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2015-07-22 09:48:40 -07:00
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// This file is part of the go-ethereum library.
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2015-07-06 17:54:22 -07:00
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//
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2015-07-23 09:35:11 -07:00
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// The go-ethereum library is free software: you can redistribute it and/or modify
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2015-07-06 17:54:22 -07:00
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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2015-07-22 09:48:40 -07:00
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// The go-ethereum library is distributed in the hope that it will be useful,
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2015-07-06 17:54:22 -07:00
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2015-07-06 17:54:22 -07:00
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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2015-07-22 09:48:40 -07:00
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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2015-07-06 17:54:22 -07:00
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2015-07-06 20:08:16 -07:00
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// Package eth implements the Ethereum protocol.
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2014-12-14 10:03:24 -08:00
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package eth
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import (
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"errors"
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"fmt"
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2017-04-12 07:27:23 -07:00
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"runtime"
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2016-05-12 10:32:04 -07:00
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"sync"
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2017-04-10 01:43:01 -07:00
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"sync/atomic"
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2014-12-14 10:03:24 -08:00
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2015-02-26 04:22:09 -08:00
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"github.com/ethereum/go-ethereum/accounts"
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2015-03-18 05:00:01 -07:00
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/consensus/clique"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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2014-12-14 10:03:24 -08:00
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"github.com/ethereum/go-ethereum/core"
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2015-03-13 10:34:43 -07:00
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"github.com/ethereum/go-ethereum/core/types"
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2017-01-17 03:19:50 -08:00
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"github.com/ethereum/go-ethereum/core/vm"
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2015-04-13 08:22:32 -07:00
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"github.com/ethereum/go-ethereum/eth/downloader"
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"github.com/ethereum/go-ethereum/eth/filters"
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"github.com/ethereum/go-ethereum/eth/gasprice"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/internal/ethapi"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/miner"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/rpc"
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)
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type LesServer interface {
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Start(srvr *p2p.Server)
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Stop()
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Protocols() []p2p.Protocol
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}
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// Ethereum implements the Ethereum full node service.
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type Ethereum struct {
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chainConfig *params.ChainConfig
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// Channel for shutting down the service
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shutdownChan chan bool // Channel for shutting down the ethereum
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stopDbUpgrade func() // stop chain db sequential key upgrade
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// Handlers
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txPool *core.TxPool
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txMu sync.Mutex
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blockchain *core.BlockChain
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protocolManager *ProtocolManager
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lesServer LesServer
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// DB interfaces
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chainDb ethdb.Database // Block chain database
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eventMux *event.TypeMux
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engine consensus.Engine
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accountManager *accounts.Manager
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ApiBackend *EthApiBackend
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miner *miner.Miner
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Mining bool
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MinerThreads int
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etherbase common.Address
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solcPath string
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netVersionId int
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netRPCService *ethapi.PublicNetAPI
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}
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func (s *Ethereum) AddLesServer(ls LesServer) {
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s.lesServer = ls
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s.protocolManager.lesServer = ls
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}
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2016-06-30 03:03:26 -07:00
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// New creates a new Ethereum object (including the
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// initialisation of the common Ethereum object)
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func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
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if config.SyncMode == downloader.LightSync {
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return nil, errors.New("can't run eth.Ethereum in light sync mode, use les.LightEthereum")
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}
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if !config.SyncMode.IsValid() {
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return nil, fmt.Errorf("invalid sync mode %d", config.SyncMode)
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}
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chainDb, err := CreateDB(ctx, config, "chaindata")
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if err != nil {
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return nil, err
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}
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stopDbUpgrade := upgradeSequentialKeys(chainDb)
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chainConfig, genesisHash, genesisErr := core.SetupGenesisBlock(chainDb, config.Genesis)
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if _, ok := genesisErr.(*params.ConfigCompatError); genesisErr != nil && !ok {
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return nil, genesisErr
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}
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log.Info("Initialised chain configuration", "config", chainConfig)
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eth := &Ethereum{
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chainDb: chainDb,
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chainConfig: chainConfig,
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eventMux: ctx.EventMux,
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accountManager: ctx.AccountManager,
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engine: CreateConsensusEngine(ctx, config, chainConfig, chainDb),
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shutdownChan: make(chan bool),
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stopDbUpgrade: stopDbUpgrade,
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netVersionId: config.NetworkId,
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etherbase: config.Etherbase,
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MinerThreads: config.MinerThreads,
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solcPath: config.SolcPath,
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}
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2016-03-01 14:32:43 -08:00
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2015-12-15 19:26:23 -08:00
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if err := addMipmapBloomBins(chainDb); err != nil {
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return nil, err
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}
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log.Info("Initialising Ethereum protocol", "versions", ProtocolVersions, "network", config.NetworkId)
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2015-04-13 01:13:52 -07:00
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if !config.SkipBcVersionCheck {
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bcVersion := core.GetBlockChainVersion(chainDb)
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if bcVersion != core.BlockChainVersion && bcVersion != 0 {
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return nil, fmt.Errorf("Blockchain DB version mismatch (%d / %d). Run geth upgradedb.\n", bcVersion, core.BlockChainVersion)
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}
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core.WriteBlockChainVersion(chainDb, core.BlockChainVersion)
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}
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2016-03-01 14:32:43 -08:00
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2017-03-02 05:03:33 -08:00
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vmConfig := vm.Config{EnablePreimageRecording: config.EnablePreimageRecording}
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eth.blockchain, err = core.NewBlockChain(chainDb, eth.chainConfig, eth.engine, eth.eventMux, vmConfig)
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if err != nil {
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return nil, err
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}
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2017-03-02 05:03:33 -08:00
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// Rewind the chain in case of an incompatible config upgrade.
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if compat, ok := genesisErr.(*params.ConfigCompatError); ok {
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log.Warn("Rewinding chain to upgrade configuration", "err", compat)
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eth.blockchain.SetHead(compat.RewindTo)
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core.WriteChainConfig(chainDb, genesisHash, chainConfig)
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}
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2016-03-01 14:32:43 -08:00
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newPool := core.NewTxPool(eth.chainConfig, eth.EventMux(), eth.blockchain.State, eth.blockchain.GasLimit)
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eth.txPool = newPool
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2016-01-13 10:35:48 -08:00
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maxPeers := config.MaxPeers
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if config.LightServ > 0 {
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// if we are running a light server, limit the number of ETH peers so that we reserve some space for incoming LES connections
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// temporary solution until the new peer connectivity API is finished
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halfPeers := maxPeers / 2
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maxPeers -= config.LightPeers
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if maxPeers < halfPeers {
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maxPeers = halfPeers
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}
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}
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2017-04-12 07:27:23 -07:00
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if eth.protocolManager, err = NewProtocolManager(eth.chainConfig, config.SyncMode, config.NetworkId, maxPeers, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb); err != nil {
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2015-09-01 07:35:14 -07:00
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return nil, err
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}
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2017-04-04 15:16:29 -07:00
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eth.miner = miner.New(eth, eth.chainConfig, eth.EventMux(), eth.engine)
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eth.miner.SetGasPrice(config.GasPrice)
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eth.miner.SetExtra(makeExtraData(config.ExtraData))
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2015-07-25 08:33:56 -07:00
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2017-04-06 07:20:42 -07:00
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eth.ApiBackend = &EthApiBackend{eth, nil}
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2017-04-12 07:27:23 -07:00
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gpoParams := config.GPO
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if gpoParams.Default == nil {
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gpoParams.Default = config.GasPrice
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}
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eth.ApiBackend.gpo = gasprice.NewOracle(eth.ApiBackend, gpoParams)
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2014-12-14 10:03:24 -08:00
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return eth, nil
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}
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2017-04-12 07:27:23 -07:00
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func makeExtraData(extra []byte) []byte {
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if len(extra) == 0 {
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// create default extradata
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extra, _ = rlp.EncodeToBytes([]interface{}{
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uint(params.VersionMajor<<16 | params.VersionMinor<<8 | params.VersionPatch),
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"geth",
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runtime.Version(),
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runtime.GOOS,
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})
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}
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if uint64(len(extra)) > params.MaximumExtraDataSize {
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log.Warn("Miner extra data exceed limit", "extra", hexutil.Bytes(extra), "limit", params.MaximumExtraDataSize)
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extra = nil
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}
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return extra
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}
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2016-01-13 10:35:48 -08:00
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// CreateDB creates the chain database.
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func CreateDB(ctx *node.ServiceContext, config *Config, name string) (ethdb.Database, error) {
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db, err := ctx.OpenDatabase(name, config.DatabaseCache, config.DatabaseHandles)
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if db, ok := db.(*ethdb.LDBDatabase); ok {
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db.Meter("eth/db/chaindata/")
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}
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return db, err
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}
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2017-04-04 15:16:29 -07:00
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// CreateConsensusEngine creates the required type of consensus engine instance for an Ethereum service
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func CreateConsensusEngine(ctx *node.ServiceContext, config *Config, chainConfig *params.ChainConfig, db ethdb.Database) consensus.Engine {
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// If proof-of-authority is requested, set it up
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if chainConfig.Clique != nil {
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return clique.New(chainConfig.Clique, db)
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}
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// Otherwise assume proof-of-work
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switch {
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case config.PowFake:
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log.Warn("Ethash used in fake mode")
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return ethash.NewFaker()
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2015-12-15 19:26:23 -08:00
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case config.PowTest:
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log.Warn("Ethash used in test mode")
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2017-04-04 15:16:29 -07:00
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return ethash.NewTester()
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2015-12-15 19:26:23 -08:00
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case config.PowShared:
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2017-03-02 05:06:16 -08:00
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log.Warn("Ethash used in shared mode")
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return ethash.NewShared()
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default:
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2017-04-07 07:22:06 -07:00
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engine := ethash.New(ctx.ResolvePath(config.EthashCacheDir), config.EthashCachesInMem, config.EthashCachesOnDisk,
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config.EthashDatasetDir, config.EthashDatasetsInMem, config.EthashDatasetsOnDisk)
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2017-04-07 07:22:06 -07:00
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engine.SetThreads(-1) // Disable CPU mining
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return engine
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2015-12-15 19:26:23 -08:00
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}
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}
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2015-10-15 07:07:19 -07:00
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// APIs returns the collection of RPC services the ethereum package offers.
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// NOTE, some of these services probably need to be moved to somewhere else.
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2016-06-30 03:03:26 -07:00
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func (s *Ethereum) APIs() []rpc.API {
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apis := ethapi.GetAPIs(s.ApiBackend, s.solcPath)
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// Append any APIs exposed explicitly by the consensus engine
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apis = append(apis, s.engine.APIs(s.BlockChain())...)
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// Append all the local APIs and return
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return append(apis, []rpc.API{
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{
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Namespace: "eth",
|
|
|
|
Version: "1.0",
|
2016-06-30 03:03:26 -07:00
|
|
|
Service: NewPublicEthereumAPI(s),
|
2015-10-15 07:07:19 -07:00
|
|
|
Public: true,
|
|
|
|
}, {
|
|
|
|
Namespace: "eth",
|
|
|
|
Version: "1.0",
|
2016-02-09 06:03:04 -08:00
|
|
|
Service: NewPublicMinerAPI(s),
|
2015-10-15 07:07:19 -07:00
|
|
|
Public: true,
|
|
|
|
}, {
|
|
|
|
Namespace: "eth",
|
|
|
|
Version: "1.0",
|
2016-04-28 02:00:11 -07:00
|
|
|
Service: downloader.NewPublicDownloaderAPI(s.protocolManager.downloader, s.eventMux),
|
2015-10-15 07:07:19 -07:00
|
|
|
Public: true,
|
|
|
|
}, {
|
|
|
|
Namespace: "miner",
|
|
|
|
Version: "1.0",
|
|
|
|
Service: NewPrivateMinerAPI(s),
|
|
|
|
Public: false,
|
|
|
|
}, {
|
|
|
|
Namespace: "eth",
|
|
|
|
Version: "1.0",
|
2016-10-13 20:51:29 -07:00
|
|
|
Service: filters.NewPublicFilterAPI(s.ApiBackend, false),
|
2015-10-15 07:07:19 -07:00
|
|
|
Public: true,
|
2015-12-04 10:56:11 -08:00
|
|
|
}, {
|
|
|
|
Namespace: "admin",
|
|
|
|
Version: "1.0",
|
2016-06-30 03:03:26 -07:00
|
|
|
Service: NewPrivateAdminAPI(s),
|
2015-12-04 10:56:11 -08:00
|
|
|
}, {
|
|
|
|
Namespace: "debug",
|
|
|
|
Version: "1.0",
|
2016-06-30 03:03:26 -07:00
|
|
|
Service: NewPublicDebugAPI(s),
|
2015-12-04 10:56:11 -08:00
|
|
|
Public: true,
|
|
|
|
}, {
|
|
|
|
Namespace: "debug",
|
|
|
|
Version: "1.0",
|
2016-06-30 03:03:26 -07:00
|
|
|
Service: NewPrivateDebugAPI(s.chainConfig, s),
|
2015-12-16 01:58:01 -08:00
|
|
|
}, {
|
|
|
|
Namespace: "net",
|
|
|
|
Version: "1.0",
|
|
|
|
Service: s.netRPCService,
|
|
|
|
Public: true,
|
2015-10-15 07:07:19 -07:00
|
|
|
},
|
2015-12-15 19:26:23 -08:00
|
|
|
}...)
|
2015-10-15 07:07:19 -07:00
|
|
|
}
|
|
|
|
|
2016-06-30 03:03:26 -07:00
|
|
|
func (s *Ethereum) ResetWithGenesisBlock(gb *types.Block) {
|
2015-08-31 08:09:50 -07:00
|
|
|
s.blockchain.ResetWithGenesisBlock(gb)
|
2015-03-13 10:34:43 -07:00
|
|
|
}
|
|
|
|
|
2016-06-30 03:03:26 -07:00
|
|
|
func (s *Ethereum) Etherbase() (eb common.Address, err error) {
|
2017-01-24 01:49:20 -08:00
|
|
|
if s.etherbase != (common.Address{}) {
|
|
|
|
return s.etherbase, nil
|
|
|
|
}
|
2017-02-07 02:47:34 -08:00
|
|
|
if wallets := s.AccountManager().Wallets(); len(wallets) > 0 {
|
|
|
|
if accounts := wallets[0].Accounts(); len(accounts) > 0 {
|
|
|
|
return accounts[0].Address, nil
|
|
|
|
}
|
2015-03-26 14:49:22 -07:00
|
|
|
}
|
2017-01-24 01:49:20 -08:00
|
|
|
return common.Address{}, fmt.Errorf("etherbase address must be explicitly specified")
|
2015-03-26 14:49:22 -07:00
|
|
|
}
|
|
|
|
|
2015-07-07 01:32:05 -07:00
|
|
|
// set in js console via admin interface or wrapper from cli flags
|
2016-06-30 03:03:26 -07:00
|
|
|
func (self *Ethereum) SetEtherbase(etherbase common.Address) {
|
2015-07-07 01:32:05 -07:00
|
|
|
self.etherbase = etherbase
|
2015-07-07 01:58:47 -07:00
|
|
|
self.miner.SetEtherbase(etherbase)
|
2015-07-07 01:32:05 -07:00
|
|
|
}
|
|
|
|
|
2017-04-10 01:43:01 -07:00
|
|
|
func (s *Ethereum) StartMining(local bool) error {
|
2016-10-28 10:05:01 -07:00
|
|
|
eb, err := s.Etherbase()
|
|
|
|
if err != nil {
|
2017-03-02 05:06:16 -08:00
|
|
|
log.Error("Cannot start mining without etherbase", "err", err)
|
|
|
|
return fmt.Errorf("etherbase missing: %v", err)
|
2016-10-28 10:05:01 -07:00
|
|
|
}
|
2017-04-10 03:24:12 -07:00
|
|
|
if clique, ok := s.engine.(*clique.Clique); ok {
|
|
|
|
wallet, err := s.accountManager.Find(accounts.Account{Address: eb})
|
|
|
|
if wallet == nil || err != nil {
|
|
|
|
log.Error("Etherbase account unavailable locally", "err", err)
|
|
|
|
return fmt.Errorf("singer missing: %v", err)
|
|
|
|
}
|
|
|
|
clique.Authorize(eb, wallet.SignHash)
|
|
|
|
}
|
2017-04-10 01:43:01 -07:00
|
|
|
if local {
|
|
|
|
// If local (CPU) mining is started, we can disable the transaction rejection
|
|
|
|
// mechanism introduced to speed sync times. CPU mining on mainnet is ludicrous
|
|
|
|
// so noone will ever hit this path, whereas marking sync done on CPU mining
|
|
|
|
// will ensure that private networks work in single miner mode too.
|
|
|
|
atomic.StoreUint32(&s.protocolManager.acceptTxs, 1)
|
|
|
|
}
|
2017-04-04 15:16:29 -07:00
|
|
|
go s.miner.Start(eb)
|
2016-10-28 10:05:01 -07:00
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2016-06-30 03:03:26 -07:00
|
|
|
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) AccountManager() *accounts.Manager { return s.accountManager }
|
|
|
|
func (s *Ethereum) BlockChain() *core.BlockChain { return s.blockchain }
|
|
|
|
func (s *Ethereum) TxPool() *core.TxPool { return s.txPool }
|
|
|
|
func (s *Ethereum) EventMux() *event.TypeMux { return s.eventMux }
|
2017-04-04 15:16:29 -07:00
|
|
|
func (s *Ethereum) Engine() consensus.Engine { return s.engine }
|
2016-06-30 03:03:26 -07:00
|
|
|
func (s *Ethereum) ChainDb() ethdb.Database { return s.chainDb }
|
|
|
|
func (s *Ethereum) IsListening() bool { return true } // Always listening
|
|
|
|
func (s *Ethereum) EthVersion() int { return int(s.protocolManager.SubProtocols[0].Version) }
|
|
|
|
func (s *Ethereum) NetVersion() int { return s.netVersionId }
|
|
|
|
func (s *Ethereum) Downloader() *downloader.Downloader { return s.protocolManager.downloader }
|
2015-01-28 09:14:28 -08:00
|
|
|
|
2015-11-17 08:33:25 -08:00
|
|
|
// Protocols implements node.Service, returning all the currently configured
|
|
|
|
// network protocols to start.
|
2016-06-30 03:03:26 -07:00
|
|
|
func (s *Ethereum) Protocols() []p2p.Protocol {
|
2016-01-13 10:35:48 -08:00
|
|
|
if s.lesServer == nil {
|
|
|
|
return s.protocolManager.SubProtocols
|
|
|
|
} else {
|
|
|
|
return append(s.protocolManager.SubProtocols, s.lesServer.Protocols()...)
|
|
|
|
}
|
2015-11-17 08:33:25 -08:00
|
|
|
}
|
2015-04-22 03:46:41 -07:00
|
|
|
|
2015-11-17 08:33:25 -08:00
|
|
|
// Start implements node.Service, starting all internal goroutines needed by the
|
2016-06-30 03:03:26 -07:00
|
|
|
// Ethereum protocol implementation.
|
|
|
|
func (s *Ethereum) Start(srvr *p2p.Server) error {
|
2015-12-15 19:26:23 -08:00
|
|
|
s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.NetVersion())
|
2017-03-06 07:20:25 -08:00
|
|
|
|
2015-04-22 08:56:06 -07:00
|
|
|
s.protocolManager.Start()
|
2016-01-13 10:35:48 -08:00
|
|
|
if s.lesServer != nil {
|
2016-10-19 04:04:55 -07:00
|
|
|
s.lesServer.Start(srvr)
|
2016-01-13 10:35:48 -08:00
|
|
|
}
|
2014-12-14 10:03:24 -08:00
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2015-11-17 08:33:25 -08:00
|
|
|
// Stop implements node.Service, terminating all internal goroutines used by the
|
|
|
|
// Ethereum protocol.
|
2016-06-30 03:03:26 -07:00
|
|
|
func (s *Ethereum) Stop() error {
|
2016-04-05 06:22:04 -07:00
|
|
|
if s.stopDbUpgrade != nil {
|
|
|
|
s.stopDbUpgrade()
|
|
|
|
}
|
2015-08-31 08:09:50 -07:00
|
|
|
s.blockchain.Stop()
|
2015-06-12 04:36:38 -07:00
|
|
|
s.protocolManager.Stop()
|
2016-01-13 10:35:48 -08:00
|
|
|
if s.lesServer != nil {
|
|
|
|
s.lesServer.Stop()
|
|
|
|
}
|
2014-12-14 10:03:24 -08:00
|
|
|
s.txPool.Stop()
|
2016-03-28 18:08:16 -07:00
|
|
|
s.miner.Stop()
|
2014-12-14 10:03:24 -08:00
|
|
|
s.eventMux.Stop()
|
2015-11-17 08:33:25 -08:00
|
|
|
|
2015-09-14 00:45:40 -07:00
|
|
|
s.chainDb.Close()
|
2014-12-14 10:03:24 -08:00
|
|
|
close(s.shutdownChan)
|
2015-11-17 08:33:25 -08:00
|
|
|
|
|
|
|
return nil
|
2014-12-14 10:03:24 -08:00
|
|
|
}
|