725f2a4cf7
This PR fixes a regression of the RPC where the default gas price that was being used for transaction wasn't properly using the GPO. This PR adds the GPO back to suggest gas prices rather than the hardcoded default of 10000000000000. Closes #2194
593 lines
19 KiB
Go
593 lines
19 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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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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// The go-ethereum library is distributed in the hope that it will be useful,
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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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// 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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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// Package eth implements the Ethereum protocol.
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package eth
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import (
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"bytes"
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"fmt"
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"math/big"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"time"
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"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/compiler"
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"github.com/ethereum/go-ethereum/common/httpclient"
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"github.com/ethereum/go-ethereum/common/registrar/ethreg"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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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/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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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/rlp"
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"github.com/ethereum/go-ethereum/rpc"
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)
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const (
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epochLength = 30000
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ethashRevision = 23
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autoDAGcheckInterval = 10 * time.Hour
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autoDAGepochHeight = epochLength / 2
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)
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var (
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datadirInUseErrnos = map[uint]bool{11: true, 32: true, 35: true}
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portInUseErrRE = regexp.MustCompile("address already in use")
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)
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type Config struct {
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NetworkId int // Network ID to use for selecting peers to connect to
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Genesis string // Genesis JSON to seed the chain database with
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FastSync bool // Enables the state download based fast synchronisation algorithm
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BlockChainVersion int
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SkipBcVersionCheck bool // e.g. blockchain export
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DatabaseCache int
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NatSpec bool
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DocRoot string
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AutoDAG bool
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PowTest bool
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ExtraData []byte
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AccountManager *accounts.Manager
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Etherbase common.Address
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GasPrice *big.Int
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MinerThreads int
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SolcPath string
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GpoMinGasPrice *big.Int
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GpoMaxGasPrice *big.Int
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GpoFullBlockRatio int
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GpobaseStepDown int
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GpobaseStepUp int
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GpobaseCorrectionFactor int
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TestGenesisBlock *types.Block // Genesis block to seed the chain database with (testing only!)
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TestGenesisState ethdb.Database // Genesis state to seed the database with (testing only!)
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}
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type Ethereum struct {
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// Channel for shutting down the ethereum
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shutdownChan chan bool
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// DB interfaces
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chainDb ethdb.Database // Block chain database
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dappDb ethdb.Database // Dapp database
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// Handlers
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txPool *core.TxPool
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blockchain *core.BlockChain
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accountManager *accounts.Manager
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pow *ethash.Ethash
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protocolManager *ProtocolManager
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SolcPath string
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solc *compiler.Solidity
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GpoMinGasPrice *big.Int
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GpoMaxGasPrice *big.Int
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GpoFullBlockRatio int
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GpobaseStepDown int
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GpobaseStepUp int
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GpobaseCorrectionFactor int
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httpclient *httpclient.HTTPClient
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eventMux *event.TypeMux
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miner *miner.Miner
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Mining bool
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MinerThreads int
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NatSpec bool
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AutoDAG bool
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PowTest bool
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autodagquit chan bool
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etherbase common.Address
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netVersionId int
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netRPCService *PublicNetAPI
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}
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func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
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// 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)
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const dbCount = 3
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ethdb.OpenFileLimit = 128 / (dbCount + 1)
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// Open the chain database and perform any upgrades needed
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chainDb, err := ctx.OpenDatabase("chaindata", config.DatabaseCache)
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if err != nil {
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return nil, err
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}
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if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
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db.Meter("eth/db/chaindata/")
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}
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if err := upgradeChainDatabase(chainDb); err != nil {
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return nil, err
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}
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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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dappDb, err := ctx.OpenDatabase("dapp", config.DatabaseCache)
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if err != nil {
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return nil, err
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}
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if db, ok := dappDb.(*ethdb.LDBDatabase); ok {
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db.Meter("eth/db/dapp/")
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}
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glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId)
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// Load up any custom genesis block if requested
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if len(config.Genesis) > 0 {
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block, err := core.WriteGenesisBlock(chainDb, strings.NewReader(config.Genesis))
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if err != nil {
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return nil, err
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}
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glog.V(logger.Info).Infof("Successfully wrote custom genesis block: %x", block.Hash())
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}
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// Load up a test setup if directly injected
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if config.TestGenesisState != nil {
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chainDb = config.TestGenesisState
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}
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if config.TestGenesisBlock != nil {
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core.WriteTd(chainDb, config.TestGenesisBlock.Hash(), config.TestGenesisBlock.Difficulty())
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core.WriteBlock(chainDb, config.TestGenesisBlock)
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core.WriteCanonicalHash(chainDb, config.TestGenesisBlock.Hash(), config.TestGenesisBlock.NumberU64())
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core.WriteHeadBlockHash(chainDb, config.TestGenesisBlock.Hash())
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}
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if !config.SkipBcVersionCheck {
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bcVersion := core.GetBlockChainVersion(chainDb)
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if bcVersion != config.BlockChainVersion && bcVersion != 0 {
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return nil, fmt.Errorf("Blockchain DB version mismatch (%d / %d). Run geth upgradedb.\n", bcVersion, config.BlockChainVersion)
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}
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core.WriteBlockChainVersion(chainDb, config.BlockChainVersion)
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}
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glog.V(logger.Info).Infof("Blockchain DB Version: %d", config.BlockChainVersion)
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eth := &Ethereum{
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shutdownChan: make(chan bool),
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chainDb: chainDb,
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dappDb: dappDb,
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eventMux: ctx.EventMux,
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accountManager: config.AccountManager,
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etherbase: config.Etherbase,
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netVersionId: config.NetworkId,
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NatSpec: config.NatSpec,
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MinerThreads: config.MinerThreads,
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SolcPath: config.SolcPath,
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AutoDAG: config.AutoDAG,
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PowTest: config.PowTest,
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GpoMinGasPrice: config.GpoMinGasPrice,
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GpoMaxGasPrice: config.GpoMaxGasPrice,
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GpoFullBlockRatio: config.GpoFullBlockRatio,
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GpobaseStepDown: config.GpobaseStepDown,
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GpobaseStepUp: config.GpobaseStepUp,
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GpobaseCorrectionFactor: config.GpobaseCorrectionFactor,
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httpclient: httpclient.New(config.DocRoot),
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}
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if config.PowTest {
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glog.V(logger.Info).Infof("ethash used in test mode")
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eth.pow, err = ethash.NewForTesting()
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if err != nil {
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return nil, err
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}
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} else {
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eth.pow = ethash.New()
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}
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//genesis := core.GenesisBlock(uint64(config.GenesisNonce), stateDb)
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eth.blockchain, err = core.NewBlockChain(chainDb, eth.pow, eth.EventMux())
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if err != nil {
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if err == core.ErrNoGenesis {
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return nil, fmt.Errorf(`Genesis block not found. Please supply a genesis block with the "--genesis /path/to/file" argument`)
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}
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return nil, err
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}
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newPool := core.NewTxPool(eth.EventMux(), eth.blockchain.State, eth.blockchain.GasLimit)
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eth.txPool = newPool
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if eth.protocolManager, err = NewProtocolManager(config.FastSync, config.NetworkId, eth.eventMux, eth.txPool, eth.pow, eth.blockchain, chainDb); err != nil {
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return nil, err
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}
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eth.miner = miner.New(eth, eth.EventMux(), eth.pow)
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eth.miner.SetGasPrice(config.GasPrice)
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eth.miner.SetExtra(config.ExtraData)
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return eth, nil
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}
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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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func (s *Ethereum) APIs() []rpc.API {
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return []rpc.API{
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{
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Namespace: "eth",
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Version: "1.0",
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Service: NewPublicEthereumAPI(s),
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Public: true,
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}, {
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Namespace: "eth",
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Version: "1.0",
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Service: NewPublicAccountAPI(s.AccountManager()),
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Public: true,
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}, {
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Namespace: "personal",
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Version: "1.0",
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Service: NewPrivateAccountAPI(s.AccountManager()),
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Public: false,
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}, {
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Namespace: "eth",
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Version: "1.0",
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Service: NewPublicBlockChainAPI(s.BlockChain(), s.Miner(), s.ChainDb(), s.EventMux(), s.AccountManager()),
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Public: true,
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}, {
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Namespace: "eth",
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Version: "1.0",
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Service: NewPublicTransactionPoolAPI(s),
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Public: true,
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}, {
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Namespace: "eth",
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Version: "1.0",
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Service: miner.NewPublicMinerAPI(s.Miner()),
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Public: true,
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}, {
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Namespace: "eth",
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Version: "1.0",
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Service: downloader.NewPublicDownloaderAPI(s.Downloader()),
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Public: true,
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}, {
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Namespace: "miner",
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Version: "1.0",
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Service: NewPrivateMinerAPI(s),
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Public: false,
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}, {
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Namespace: "txpool",
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Version: "1.0",
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Service: NewPublicTxPoolAPI(s),
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Public: true,
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}, {
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Namespace: "eth",
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Version: "1.0",
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Service: filters.NewPublicFilterAPI(s.ChainDb(), s.EventMux()),
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Public: true,
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}, {
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Namespace: "admin",
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Version: "1.0",
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Service: NewPrivateAdminAPI(s),
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}, {
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Namespace: "debug",
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Version: "1.0",
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Service: NewPublicDebugAPI(s),
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Public: true,
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}, {
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Namespace: "debug",
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Version: "1.0",
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Service: NewPrivateDebugAPI(s),
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}, {
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Namespace: "net",
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Version: "1.0",
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Service: s.netRPCService,
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Public: true,
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}, {
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Namespace: "admin",
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Version: "1.0",
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Service: ethreg.NewPrivateRegistarAPI(s.BlockChain(), s.ChainDb(), s.TxPool(), s.AccountManager()),
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},
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}
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}
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func (s *Ethereum) ResetWithGenesisBlock(gb *types.Block) {
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s.blockchain.ResetWithGenesisBlock(gb)
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}
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func (s *Ethereum) Etherbase() (eb common.Address, err error) {
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eb = s.etherbase
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if (eb == common.Address{}) {
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addr, e := s.AccountManager().AddressByIndex(0)
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if e != nil {
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err = fmt.Errorf("etherbase address must be explicitly specified")
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}
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eb = common.HexToAddress(addr)
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}
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return
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}
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// set in js console via admin interface or wrapper from cli flags
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func (self *Ethereum) SetEtherbase(etherbase common.Address) {
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self.etherbase = etherbase
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self.miner.SetEtherbase(etherbase)
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}
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func (s *Ethereum) StopMining() { s.miner.Stop() }
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func (s *Ethereum) IsMining() bool { return s.miner.Mining() }
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func (s *Ethereum) Miner() *miner.Miner { return s.miner }
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func (s *Ethereum) AccountManager() *accounts.Manager { return s.accountManager }
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func (s *Ethereum) BlockChain() *core.BlockChain { return s.blockchain }
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func (s *Ethereum) TxPool() *core.TxPool { return s.txPool }
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func (s *Ethereum) EventMux() *event.TypeMux { return s.eventMux }
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func (s *Ethereum) ChainDb() ethdb.Database { return s.chainDb }
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func (s *Ethereum) DappDb() ethdb.Database { return s.dappDb }
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func (s *Ethereum) IsListening() bool { return true } // Always listening
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func (s *Ethereum) EthVersion() int { return int(s.protocolManager.SubProtocols[0].Version) }
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func (s *Ethereum) NetVersion() int { return s.netVersionId }
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func (s *Ethereum) Downloader() *downloader.Downloader { return s.protocolManager.downloader }
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// Protocols implements node.Service, returning all the currently configured
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// network protocols to start.
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func (s *Ethereum) Protocols() []p2p.Protocol {
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return s.protocolManager.SubProtocols
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}
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// Start implements node.Service, starting all internal goroutines needed by the
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// Ethereum protocol implementation.
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func (s *Ethereum) Start(srvr *p2p.Server) error {
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if s.AutoDAG {
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s.StartAutoDAG()
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}
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s.protocolManager.Start()
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s.netRPCService = NewPublicNetAPI(srvr, s.NetVersion())
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return nil
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}
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// Stop implements node.Service, terminating all internal goroutines used by the
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// Ethereum protocol.
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func (s *Ethereum) Stop() error {
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s.blockchain.Stop()
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s.protocolManager.Stop()
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s.txPool.Stop()
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s.eventMux.Stop()
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s.StopAutoDAG()
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s.chainDb.Close()
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s.dappDb.Close()
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close(s.shutdownChan)
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return nil
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}
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// This function will wait for a shutdown and resumes main thread execution
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func (s *Ethereum) WaitForShutdown() {
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<-s.shutdownChan
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}
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// StartAutoDAG() spawns a go routine that checks the DAG every autoDAGcheckInterval
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// by default that is 10 times per epoch
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// in epoch n, if we past autoDAGepochHeight within-epoch blocks,
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// it calls ethash.MakeDAG to pregenerate the DAG for the next epoch n+1
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// if it does not exist yet as well as remove the DAG for epoch n-1
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// the loop quits if autodagquit channel is closed, it can safely restart and
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// stop any number of times.
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// For any more sophisticated pattern of DAG generation, use CLI subcommand
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// makedag
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func (self *Ethereum) StartAutoDAG() {
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if self.autodagquit != nil {
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return // already started
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}
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go func() {
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glog.V(logger.Info).Infof("Automatic pregeneration of ethash DAG ON (ethash dir: %s)", ethash.DefaultDir)
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var nextEpoch uint64
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timer := time.After(0)
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self.autodagquit = make(chan bool)
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for {
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select {
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case <-timer:
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glog.V(logger.Info).Infof("checking DAG (ethash dir: %s)", ethash.DefaultDir)
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currentBlock := self.BlockChain().CurrentBlock().NumberU64()
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thisEpoch := currentBlock / epochLength
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if nextEpoch <= thisEpoch {
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if currentBlock%epochLength > autoDAGepochHeight {
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if thisEpoch > 0 {
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previousDag, previousDagFull := dagFiles(thisEpoch - 1)
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os.Remove(filepath.Join(ethash.DefaultDir, previousDag))
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os.Remove(filepath.Join(ethash.DefaultDir, previousDagFull))
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glog.V(logger.Info).Infof("removed DAG for epoch %d (%s)", thisEpoch-1, previousDag)
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}
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nextEpoch = thisEpoch + 1
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dag, _ := dagFiles(nextEpoch)
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if _, err := os.Stat(dag); os.IsNotExist(err) {
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glog.V(logger.Info).Infof("Pregenerating DAG for epoch %d (%s)", nextEpoch, dag)
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err := ethash.MakeDAG(nextEpoch*epochLength, "") // "" -> ethash.DefaultDir
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if err != nil {
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glog.V(logger.Error).Infof("Error generating DAG for epoch %d (%s)", nextEpoch, dag)
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return
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}
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} else {
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glog.V(logger.Error).Infof("DAG for epoch %d (%s)", nextEpoch, dag)
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}
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}
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}
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timer = time.After(autoDAGcheckInterval)
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case <-self.autodagquit:
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return
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}
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}
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}()
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}
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// stopAutoDAG stops automatic DAG pregeneration by quitting the loop
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func (self *Ethereum) StopAutoDAG() {
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if self.autodagquit != nil {
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close(self.autodagquit)
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self.autodagquit = nil
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}
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glog.V(logger.Info).Infof("Automatic pregeneration of ethash DAG OFF (ethash dir: %s)", ethash.DefaultDir)
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}
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// HTTPClient returns the light http client used for fetching offchain docs
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// (natspec, source for verification)
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func (self *Ethereum) HTTPClient() *httpclient.HTTPClient {
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return self.httpclient
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}
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func (self *Ethereum) Solc() (*compiler.Solidity, error) {
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var err error
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if self.solc == nil {
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self.solc, err = compiler.New(self.SolcPath)
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}
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return self.solc, err
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}
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// set in js console via admin interface or wrapper from cli flags
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func (self *Ethereum) SetSolc(solcPath string) (*compiler.Solidity, error) {
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self.SolcPath = solcPath
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self.solc = nil
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return self.Solc()
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}
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// 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
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
func addMipmapBloomBins(db ethdb.Database) (err error) {
|
|
const mipmapVersion uint = 2
|
|
|
|
// check if the version is set. We ignore data for now since there's
|
|
// only one version so we can easily ignore it for now
|
|
var data []byte
|
|
data, _ = db.Get([]byte("setting-mipmap-version"))
|
|
if len(data) > 0 {
|
|
var version uint
|
|
if err := rlp.DecodeBytes(data, &version); err == nil && version == mipmapVersion {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
defer func() {
|
|
if err == nil {
|
|
var val []byte
|
|
val, err = rlp.EncodeToBytes(mipmapVersion)
|
|
if err == nil {
|
|
err = db.Put([]byte("setting-mipmap-version"), val)
|
|
}
|
|
return
|
|
}
|
|
}()
|
|
latestBlock := core.GetBlock(db, core.GetHeadBlockHash(db))
|
|
if latestBlock == nil { // clean database
|
|
return
|
|
}
|
|
|
|
tstart := time.Now()
|
|
glog.V(logger.Info).Infoln("upgrading db log bloom bins")
|
|
for i := uint64(0); i <= latestBlock.NumberU64(); i++ {
|
|
hash := core.GetCanonicalHash(db, i)
|
|
if (hash == common.Hash{}) {
|
|
return fmt.Errorf("chain db corrupted. Could not find block %d.", i)
|
|
}
|
|
core.WriteMipmapBloom(db, i, core.GetBlockReceipts(db, hash))
|
|
}
|
|
glog.V(logger.Info).Infoln("upgrade completed in", time.Since(tstart))
|
|
return nil
|
|
}
|