f4d53133f6
* eth: drop support for forward sync triggers and head block packets * consensus, eth: enforce always merged network * eth: fix tx looper startup and shutdown * cmd, core: fix some tests * core: remove notion of future blocks * core, eth: drop unused methods and types
572 lines
19 KiB
Go
572 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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"errors"
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"fmt"
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"math/big"
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"runtime"
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"sync"
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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/hexutil"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/consensus/beacon"
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"github.com/ethereum/go-ethereum/consensus/clique"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/bloombits"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/state/pruner"
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"github.com/ethereum/go-ethereum/core/txpool"
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"github.com/ethereum/go-ethereum/core/txpool/blobpool"
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"github.com/ethereum/go-ethereum/core/txpool/legacypool"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/eth/downloader"
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"github.com/ethereum/go-ethereum/eth/ethconfig"
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"github.com/ethereum/go-ethereum/eth/gasprice"
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"github.com/ethereum/go-ethereum/eth/protocols/eth"
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"github.com/ethereum/go-ethereum/eth/protocols/snap"
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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/internal/shutdowncheck"
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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/p2p/dnsdisc"
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"github.com/ethereum/go-ethereum/p2p/enode"
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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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// Config contains the configuration options of the ETH protocol.
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// Deprecated: use ethconfig.Config instead.
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type Config = ethconfig.Config
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// Ethereum implements the Ethereum full node service.
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type Ethereum struct {
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config *ethconfig.Config
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// Handlers
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txPool *txpool.TxPool
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blockchain *core.BlockChain
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handler *handler
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ethDialCandidates enode.Iterator
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snapDialCandidates enode.Iterator
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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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bloomRequests chan chan *bloombits.Retrieval // Channel receiving bloom data retrieval requests
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bloomIndexer *core.ChainIndexer // Bloom indexer operating during block imports
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closeBloomHandler chan struct{}
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APIBackend *EthAPIBackend
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miner *miner.Miner
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gasPrice *big.Int
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etherbase common.Address
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networkID uint64
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netRPCService *ethapi.NetAPI
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p2pServer *p2p.Server
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lock sync.RWMutex // Protects the variadic fields (e.g. gas price and etherbase)
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shutdownTracker *shutdowncheck.ShutdownTracker // Tracks if and when the node has shutdown ungracefully
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}
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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(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
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// Ensure configuration values are compatible and sane
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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, light mode has been deprecated")
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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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if config.Miner.GasPrice == nil || config.Miner.GasPrice.Cmp(common.Big0) <= 0 {
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log.Warn("Sanitizing invalid miner gas price", "provided", config.Miner.GasPrice, "updated", ethconfig.Defaults.Miner.GasPrice)
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config.Miner.GasPrice = new(big.Int).Set(ethconfig.Defaults.Miner.GasPrice)
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}
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if config.NoPruning && config.TrieDirtyCache > 0 {
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if config.SnapshotCache > 0 {
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config.TrieCleanCache += config.TrieDirtyCache * 3 / 5
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config.SnapshotCache += config.TrieDirtyCache * 2 / 5
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} else {
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config.TrieCleanCache += config.TrieDirtyCache
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}
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config.TrieDirtyCache = 0
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}
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log.Info("Allocated trie memory caches", "clean", common.StorageSize(config.TrieCleanCache)*1024*1024, "dirty", common.StorageSize(config.TrieDirtyCache)*1024*1024)
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// Assemble the Ethereum object
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chainDb, err := stack.OpenDatabaseWithFreezer("chaindata", config.DatabaseCache, config.DatabaseHandles, config.DatabaseFreezer, "eth/db/chaindata/", false)
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if err != nil {
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return nil, err
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}
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scheme, err := rawdb.ParseStateScheme(config.StateScheme, chainDb)
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if err != nil {
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return nil, err
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}
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// Try to recover offline state pruning only in hash-based.
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if scheme == rawdb.HashScheme {
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if err := pruner.RecoverPruning(stack.ResolvePath(""), chainDb); err != nil {
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log.Error("Failed to recover state", "error", err)
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}
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}
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// Transfer mining-related config to the ethash config.
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chainConfig, err := core.LoadChainConfig(chainDb, config.Genesis)
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if err != nil {
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return nil, err
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}
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engine, err := ethconfig.CreateConsensusEngine(chainConfig, chainDb)
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if err != nil {
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return nil, err
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}
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networkID := config.NetworkId
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if networkID == 0 {
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networkID = chainConfig.ChainID.Uint64()
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}
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eth := &Ethereum{
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config: config,
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chainDb: chainDb,
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eventMux: stack.EventMux(),
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accountManager: stack.AccountManager(),
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engine: engine,
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closeBloomHandler: make(chan struct{}),
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networkID: networkID,
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gasPrice: config.Miner.GasPrice,
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etherbase: config.Miner.Etherbase,
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bloomRequests: make(chan chan *bloombits.Retrieval),
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bloomIndexer: core.NewBloomIndexer(chainDb, params.BloomBitsBlocks, params.BloomConfirms),
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p2pServer: stack.Server(),
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shutdownTracker: shutdowncheck.NewShutdownTracker(chainDb),
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}
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bcVersion := rawdb.ReadDatabaseVersion(chainDb)
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var dbVer = "<nil>"
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if bcVersion != nil {
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dbVer = fmt.Sprintf("%d", *bcVersion)
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}
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log.Info("Initialising Ethereum protocol", "network", networkID, "dbversion", dbVer)
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if !config.SkipBcVersionCheck {
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if bcVersion != nil && *bcVersion > core.BlockChainVersion {
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return nil, fmt.Errorf("database version is v%d, Geth %s only supports v%d", *bcVersion, params.VersionWithMeta, core.BlockChainVersion)
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} else if bcVersion == nil || *bcVersion < core.BlockChainVersion {
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if bcVersion != nil { // only print warning on upgrade, not on init
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log.Warn("Upgrade blockchain database version", "from", dbVer, "to", core.BlockChainVersion)
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}
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rawdb.WriteDatabaseVersion(chainDb, core.BlockChainVersion)
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}
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}
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var (
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vmConfig = vm.Config{
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EnablePreimageRecording: config.EnablePreimageRecording,
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}
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cacheConfig = &core.CacheConfig{
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TrieCleanLimit: config.TrieCleanCache,
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TrieCleanNoPrefetch: config.NoPrefetch,
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TrieDirtyLimit: config.TrieDirtyCache,
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TrieDirtyDisabled: config.NoPruning,
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TrieTimeLimit: config.TrieTimeout,
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SnapshotLimit: config.SnapshotCache,
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Preimages: config.Preimages,
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StateHistory: config.StateHistory,
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StateScheme: scheme,
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}
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)
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// Override the chain config with provided settings.
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var overrides core.ChainOverrides
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if config.OverrideCancun != nil {
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overrides.OverrideCancun = config.OverrideCancun
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}
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if config.OverrideVerkle != nil {
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overrides.OverrideVerkle = config.OverrideVerkle
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}
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eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, config.Genesis, &overrides, eth.engine, vmConfig, eth.shouldPreserve, &config.TransactionHistory)
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if err != nil {
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return nil, err
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}
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eth.bloomIndexer.Start(eth.blockchain)
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if config.BlobPool.Datadir != "" {
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config.BlobPool.Datadir = stack.ResolvePath(config.BlobPool.Datadir)
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}
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blobPool := blobpool.New(config.BlobPool, eth.blockchain)
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if config.TxPool.Journal != "" {
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config.TxPool.Journal = stack.ResolvePath(config.TxPool.Journal)
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}
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legacyPool := legacypool.New(config.TxPool, eth.blockchain)
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eth.txPool, err = txpool.New(config.TxPool.PriceLimit, eth.blockchain, []txpool.SubPool{legacyPool, blobPool})
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if err != nil {
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return nil, err
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}
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// Permit the downloader to use the trie cache allowance during fast sync
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cacheLimit := cacheConfig.TrieCleanLimit + cacheConfig.TrieDirtyLimit + cacheConfig.SnapshotLimit
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if eth.handler, err = newHandler(&handlerConfig{
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NodeID: eth.p2pServer.Self().ID(),
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Database: chainDb,
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Chain: eth.blockchain,
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TxPool: eth.txPool,
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Network: networkID,
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Sync: config.SyncMode,
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BloomCache: uint64(cacheLimit),
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EventMux: eth.eventMux,
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RequiredBlocks: config.RequiredBlocks,
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}); err != nil {
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return nil, err
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}
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eth.miner = miner.New(eth, &config.Miner, eth.blockchain.Config(), eth.EventMux(), eth.engine, eth.isLocalBlock)
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eth.miner.SetExtra(makeExtraData(config.Miner.ExtraData))
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eth.APIBackend = &EthAPIBackend{stack.Config().ExtRPCEnabled(), stack.Config().AllowUnprotectedTxs, eth, nil}
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if eth.APIBackend.allowUnprotectedTxs {
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log.Info("Unprotected transactions allowed")
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}
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gpoParams := config.GPO
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if gpoParams.Default == nil {
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gpoParams.Default = config.Miner.GasPrice
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}
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eth.APIBackend.gpo = gasprice.NewOracle(eth.APIBackend, gpoParams)
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// Setup DNS discovery iterators.
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dnsclient := dnsdisc.NewClient(dnsdisc.Config{})
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eth.ethDialCandidates, err = dnsclient.NewIterator(eth.config.EthDiscoveryURLs...)
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if err != nil {
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return nil, err
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}
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eth.snapDialCandidates, err = dnsclient.NewIterator(eth.config.SnapDiscoveryURLs...)
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if err != nil {
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return nil, err
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}
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// Start the RPC service
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eth.netRPCService = ethapi.NewNetAPI(eth.p2pServer, networkID)
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// Register the backend on the node
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stack.RegisterAPIs(eth.APIs())
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stack.RegisterProtocols(eth.Protocols())
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stack.RegisterLifecycle(eth)
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// Successful startup; push a marker and check previous unclean shutdowns.
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eth.shutdownTracker.MarkStartup()
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return eth, nil
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}
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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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// APIs return 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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apis := ethapi.GetAPIs(s.APIBackend)
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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",
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Service: NewEthereumAPI(s),
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}, {
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Namespace: "miner",
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Service: NewMinerAPI(s),
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}, {
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Namespace: "eth",
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Service: downloader.NewDownloaderAPI(s.handler.downloader, s.blockchain, s.eventMux),
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}, {
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Namespace: "admin",
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Service: NewAdminAPI(s),
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}, {
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Namespace: "debug",
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Service: NewDebugAPI(s),
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}, {
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Namespace: "net",
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Service: s.netRPCService,
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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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s.lock.RLock()
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etherbase := s.etherbase
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s.lock.RUnlock()
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if etherbase != (common.Address{}) {
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return etherbase, nil
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}
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return common.Address{}, errors.New("etherbase must be explicitly specified")
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}
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// isLocalBlock checks whether the specified block is mined
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// by local miner accounts.
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//
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// We regard two types of accounts as local miner account: etherbase
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// and accounts specified via `txpool.locals` flag.
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func (s *Ethereum) isLocalBlock(header *types.Header) bool {
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author, err := s.engine.Author(header)
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if err != nil {
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log.Warn("Failed to retrieve block author", "number", header.Number.Uint64(), "hash", header.Hash(), "err", err)
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return false
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}
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// Check whether the given address is etherbase.
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s.lock.RLock()
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etherbase := s.etherbase
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s.lock.RUnlock()
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if author == etherbase {
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return true
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}
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// Check whether the given address is specified by `txpool.local`
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// CLI flag.
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for _, account := range s.config.TxPool.Locals {
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if account == author {
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return true
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}
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}
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return false
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}
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// shouldPreserve checks whether we should preserve the given block
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// during the chain reorg depending on whether the author of block
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// is a local account.
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func (s *Ethereum) shouldPreserve(header *types.Header) bool {
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// The reason we need to disable the self-reorg preserving for clique
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// is it can be probable to introduce a deadlock.
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//
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// e.g. If there are 7 available signers
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//
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// r1 A
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// r2 B
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// r3 C
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// r4 D
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// r5 A [X] F G
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// r6 [X]
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//
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// In the round5, the in-turn signer E is offline, so the worst case
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// is A, F and G sign the block of round5 and reject the block of opponents
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// and in the round6, the last available signer B is offline, the whole
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// network is stuck.
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if _, ok := s.engine.(*clique.Clique); ok {
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return false
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}
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return s.isLocalBlock(header)
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}
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// SetEtherbase sets the mining reward address.
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func (s *Ethereum) SetEtherbase(etherbase common.Address) {
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s.lock.Lock()
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s.etherbase = etherbase
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s.lock.Unlock()
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s.miner.SetEtherbase(etherbase)
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}
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// StartMining starts the miner with the given number of CPU threads. If mining
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// is already running, this method adjust the number of threads allowed to use
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// and updates the minimum price required by the transaction pool.
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func (s *Ethereum) StartMining() error {
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// If the miner was not running, initialize it
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if !s.IsMining() {
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// Propagate the initial price point to the transaction pool
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s.lock.RLock()
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price := s.gasPrice
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s.lock.RUnlock()
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s.txPool.SetGasTip(price)
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// Configure the local mining address
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eb, err := s.Etherbase()
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if err != nil {
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log.Error("Cannot start mining without etherbase", "err", err)
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return fmt.Errorf("etherbase missing: %v", err)
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}
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var cli *clique.Clique
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if c, ok := s.engine.(*clique.Clique); ok {
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cli = c
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} else if cl, ok := s.engine.(*beacon.Beacon); ok {
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if c, ok := cl.InnerEngine().(*clique.Clique); ok {
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cli = c
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}
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}
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if cli != nil {
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wallet, err := s.accountManager.Find(accounts.Account{Address: eb})
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if wallet == nil || err != nil {
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log.Error("Etherbase account unavailable locally", "err", err)
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return fmt.Errorf("signer missing: %v", err)
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}
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cli.Authorize(eb, wallet.SignData)
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}
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// If mining is started, we can disable the transaction rejection mechanism
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// introduced to speed sync times.
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s.handler.enableSyncedFeatures()
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go s.miner.Start()
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}
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return nil
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}
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// StopMining terminates the miner, both at the consensus engine level as well as
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// at the block creation level.
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func (s *Ethereum) StopMining() {
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// Update the thread count within the consensus engine
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type threaded interface {
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SetThreads(threads int)
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}
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if th, ok := s.engine.(threaded); ok {
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th.SetThreads(-1)
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}
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// Stop the block creating itself
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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() *txpool.TxPool { return s.txPool }
|
|
func (s *Ethereum) EventMux() *event.TypeMux { return s.eventMux }
|
|
func (s *Ethereum) Engine() consensus.Engine { return s.engine }
|
|
func (s *Ethereum) ChainDb() ethdb.Database { return s.chainDb }
|
|
func (s *Ethereum) IsListening() bool { return true } // Always listening
|
|
func (s *Ethereum) Downloader() *downloader.Downloader { return s.handler.downloader }
|
|
func (s *Ethereum) Synced() bool { return s.handler.synced.Load() }
|
|
func (s *Ethereum) SetSynced() { s.handler.enableSyncedFeatures() }
|
|
func (s *Ethereum) ArchiveMode() bool { return s.config.NoPruning }
|
|
func (s *Ethereum) BloomIndexer() *core.ChainIndexer { return s.bloomIndexer }
|
|
|
|
// Protocols returns all the currently configured
|
|
// network protocols to start.
|
|
func (s *Ethereum) Protocols() []p2p.Protocol {
|
|
protos := eth.MakeProtocols((*ethHandler)(s.handler), s.networkID, s.ethDialCandidates)
|
|
if s.config.SnapshotCache > 0 {
|
|
protos = append(protos, snap.MakeProtocols((*snapHandler)(s.handler), s.snapDialCandidates)...)
|
|
}
|
|
return protos
|
|
}
|
|
|
|
// Start implements node.Lifecycle, starting all internal goroutines needed by the
|
|
// Ethereum protocol implementation.
|
|
func (s *Ethereum) Start() error {
|
|
eth.StartENRUpdater(s.blockchain, s.p2pServer.LocalNode())
|
|
|
|
// Start the bloom bits servicing goroutines
|
|
s.startBloomHandlers(params.BloomBitsBlocks)
|
|
|
|
// Regularly update shutdown marker
|
|
s.shutdownTracker.Start()
|
|
|
|
// Figure out a max peers count based on the server limits
|
|
maxPeers := s.p2pServer.MaxPeers
|
|
if s.config.LightServ > 0 {
|
|
if s.config.LightPeers >= s.p2pServer.MaxPeers {
|
|
return fmt.Errorf("invalid peer config: light peer count (%d) >= total peer count (%d)", s.config.LightPeers, s.p2pServer.MaxPeers)
|
|
}
|
|
maxPeers -= s.config.LightPeers
|
|
}
|
|
// Start the networking layer and the light server if requested
|
|
s.handler.Start(maxPeers)
|
|
return nil
|
|
}
|
|
|
|
// Stop implements node.Lifecycle, terminating all internal goroutines used by the
|
|
// Ethereum protocol.
|
|
func (s *Ethereum) Stop() error {
|
|
// Stop all the peer-related stuff first.
|
|
s.ethDialCandidates.Close()
|
|
s.snapDialCandidates.Close()
|
|
s.handler.Stop()
|
|
|
|
// Then stop everything else.
|
|
s.bloomIndexer.Close()
|
|
close(s.closeBloomHandler)
|
|
s.txPool.Close()
|
|
s.miner.Close()
|
|
s.blockchain.Stop()
|
|
s.engine.Close()
|
|
|
|
// Clean shutdown marker as the last thing before closing db
|
|
s.shutdownTracker.Stop()
|
|
|
|
s.chainDb.Close()
|
|
s.eventMux.Stop()
|
|
|
|
return nil
|
|
}
|
|
|
|
// SyncMode retrieves the current sync mode, either explicitly set, or derived
|
|
// from the chain status.
|
|
func (s *Ethereum) SyncMode() downloader.SyncMode {
|
|
// If we're in snap sync mode, return that directly
|
|
if s.handler.snapSync.Load() {
|
|
return downloader.SnapSync
|
|
}
|
|
// We are probably in full sync, but we might have rewound to before the
|
|
// snap sync pivot, check if we should re-enable snap sync.
|
|
head := s.blockchain.CurrentBlock()
|
|
if pivot := rawdb.ReadLastPivotNumber(s.chainDb); pivot != nil {
|
|
if head.Number.Uint64() < *pivot {
|
|
return downloader.SnapSync
|
|
}
|
|
}
|
|
// We are in a full sync, but the associated head state is missing. To complete
|
|
// the head state, forcefully rerun the snap sync. Note it doesn't mean the
|
|
// persistent state is corrupted, just mismatch with the head block.
|
|
if !s.blockchain.HasState(head.Root) {
|
|
log.Info("Reenabled snap sync as chain is stateless")
|
|
return downloader.SnapSync
|
|
}
|
|
// Nope, we're really full syncing
|
|
return downloader.FullSync
|
|
}
|