forked from cerc-io/plugeth
core, eth: fix dependency cycle (#17720)
This commit is contained in:
gary rong
Péter Szilágyi
parent
f55c26ae6d
commit
ba0a8b7887
@ -31,7 +31,6 @@ import (
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"github.com/ethereum/go-ethereum/common/mclock"
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"github.com/ethereum/go-ethereum/common/prque"
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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/core/rawdb"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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@ -129,14 +128,14 @@ type BlockChain struct {
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validator Validator // block and state validator interface
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vmConfig vm.Config
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badBlocks *lru.Cache // Bad block cache
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isLocalFn func(common.Address) bool // Function used to determine whether the block author is a local miner account.
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badBlocks *lru.Cache // Bad block cache
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shouldPreserve func(*types.Block) bool // Function used to determine whether should preserve the given block.
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}
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// NewBlockChain returns a fully initialised block chain using information
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// available in the database. It initialises the default Ethereum Validator and
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// Processor.
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func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine, vmConfig vm.Config, isLocalFn func(common.Address) bool) (*BlockChain, error) {
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func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine, vmConfig vm.Config, shouldPreserve func(block *types.Block) bool) (*BlockChain, error) {
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if cacheConfig == nil {
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cacheConfig = &CacheConfig{
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TrieNodeLimit: 256 * 1024 * 1024,
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@ -150,20 +149,20 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
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badBlocks, _ := lru.New(badBlockLimit)
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bc := &BlockChain{
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chainConfig: chainConfig,
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cacheConfig: cacheConfig,
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db: db,
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triegc: prque.New(nil),
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stateCache: state.NewDatabase(db),
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quit: make(chan struct{}),
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isLocalFn: isLocalFn,
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bodyCache: bodyCache,
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bodyRLPCache: bodyRLPCache,
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blockCache: blockCache,
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futureBlocks: futureBlocks,
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engine: engine,
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vmConfig: vmConfig,
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badBlocks: badBlocks,
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chainConfig: chainConfig,
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cacheConfig: cacheConfig,
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db: db,
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triegc: prque.New(nil),
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stateCache: state.NewDatabase(db),
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quit: make(chan struct{}),
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shouldPreserve: shouldPreserve,
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bodyCache: bodyCache,
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bodyRLPCache: bodyRLPCache,
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blockCache: blockCache,
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futureBlocks: futureBlocks,
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engine: engine,
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vmConfig: vmConfig,
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badBlocks: badBlocks,
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}
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bc.SetValidator(NewBlockValidator(chainConfig, bc, engine))
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bc.SetProcessor(NewStateProcessor(chainConfig, bc, engine))
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@ -975,39 +974,11 @@ func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.
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if block.NumberU64() < currentBlock.NumberU64() {
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reorg = true
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} else if block.NumberU64() == currentBlock.NumberU64() {
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if _, ok := bc.engine.(*clique.Clique); ok {
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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 inturn 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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reorg = mrand.Float64() < 0.5
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} else {
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currentAuthor, err := bc.engine.Author(currentBlock.Header())
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if err != nil {
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return NonStatTy, err
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}
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blockAuthor, err := bc.engine.Author(block.Header())
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if err != nil {
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return NonStatTy, err
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}
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var currentLocal, blockLocal bool
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if bc.isLocalFn != nil {
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currentLocal, blockLocal = bc.isLocalFn(currentAuthor), bc.isLocalFn(blockAuthor)
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}
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reorg = !currentLocal && (blockLocal || mrand.Float64() < 0.5)
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var currentPreserve, blockPreserve bool
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if bc.shouldPreserve != nil {
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currentPreserve, blockPreserve = bc.shouldPreserve(currentBlock), bc.shouldPreserve(block)
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}
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reorg = !currentPreserve && (blockPreserve || mrand.Float64() < 0.5)
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}
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}
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if reorg {
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@ -156,7 +156,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
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}
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cacheConfig = &core.CacheConfig{Disabled: config.NoPruning, TrieNodeLimit: config.TrieCache, TrieTimeLimit: config.TrieTimeout}
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)
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eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, eth.chainConfig, eth.engine, vmConfig, eth.isMinerAccount)
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eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, eth.chainConfig, eth.engine, vmConfig, eth.shouldPreserve)
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if err != nil {
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return nil, err
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}
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@ -334,30 +334,60 @@ func (s *Ethereum) Etherbase() (eb common.Address, err error) {
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return common.Address{}, fmt.Errorf("etherbase must be explicitly specified")
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}
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// isMinerAccount checks whether the specified address is a miner account.
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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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// This function is used during block chain reorg checking to determine
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// whether a block is mined by local accounts. We regard two types of
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// accounts as local account: etherbase and accounts specified via
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// `txpool.locals` flag.
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func (s *Ethereum) isMinerAccount(addr common.Address) bool {
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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(block *types.Block) bool {
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author, err := s.engine.Author(block.Header())
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if err != nil {
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log.Warn("Failed to retrieve block author", "number", block.NumberU64(), "hash", block.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 addr == etherbase {
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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 == addr {
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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(block *types.Block) 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 inturn 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(block)
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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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