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core, eth: fix dependency cycle (#17720)

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This commit is contained in:
gary rong
2018-09-21 01:02:15 +08:00
committed by Péter Szilágyi
parent f55c26ae6d
commit ba0a8b7887
2 changed files with 60 additions and 59 deletions
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71
core/blockchain.go
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@ -31,7 +31,6 @@ import (
"github.com/ethereum/go-ethereum/common/mclock"
"github.com/ethereum/go-ethereum/common/prque"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/clique"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
@ -129,14 +128,14 @@ type BlockChain struct {
validator Validator // block and state validator interface
vmConfig vm.Config
badBlocks *lru.Cache // Bad block cache
isLocalFn func(common.Address) bool // Function used to determine whether the block author is a local miner account.
badBlocks *lru.Cache // Bad block cache
shouldPreserve func(*types.Block) bool // Function used to determine whether should preserve the given block.
}
// NewBlockChain returns a fully initialised block chain using information
// available in the database. It initialises the default Ethereum Validator and
// Processor.
func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine, vmConfig vm.Config, isLocalFn func(common.Address) bool) (*BlockChain, error) {
func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine, vmConfig vm.Config, shouldPreserve func(block *types.Block) bool) (*BlockChain, error) {
if cacheConfig == nil {
cacheConfig = &CacheConfig{
TrieNodeLimit: 256 * 1024 * 1024,
@ -150,20 +149,20 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
badBlocks, _ := lru.New(badBlockLimit)
bc := &BlockChain{
chainConfig: chainConfig,
cacheConfig: cacheConfig,
db: db,
triegc: prque.New(nil),
stateCache: state.NewDatabase(db),
quit: make(chan struct{}),
isLocalFn: isLocalFn,
bodyCache: bodyCache,
bodyRLPCache: bodyRLPCache,
blockCache: blockCache,
futureBlocks: futureBlocks,
engine: engine,
vmConfig: vmConfig,
badBlocks: badBlocks,
chainConfig: chainConfig,
cacheConfig: cacheConfig,
db: db,
triegc: prque.New(nil),
stateCache: state.NewDatabase(db),
quit: make(chan struct{}),
shouldPreserve: shouldPreserve,
bodyCache: bodyCache,
bodyRLPCache: bodyRLPCache,
blockCache: blockCache,
futureBlocks: futureBlocks,
engine: engine,
vmConfig: vmConfig,
badBlocks: badBlocks,
}
bc.SetValidator(NewBlockValidator(chainConfig, bc, engine))
bc.SetProcessor(NewStateProcessor(chainConfig, bc, engine))
@ -975,39 +974,11 @@ func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.
if block.NumberU64() < currentBlock.NumberU64() {
reorg = true
} else if block.NumberU64() == currentBlock.NumberU64() {
if _, ok := bc.engine.(*clique.Clique); ok {
// The reason we need to disable the self-reorg preserving for clique
// is it can be probable to introduce a deadlock.
//
// e.g. If there are 7 available signers
//
// r1 A
// r2 B
// r3 C
// r4 D
// r5 A [X] F G
// r6 [X]
//
// In the round5, the inturn signer E is offline, so the worst case
// is A, F and G sign the block of round5 and reject the block of opponents
// and in the round6, the last available signer B is offline, the whole
// network is stuck.
reorg = mrand.Float64() < 0.5
} else {
currentAuthor, err := bc.engine.Author(currentBlock.Header())
if err != nil {
return NonStatTy, err
}
blockAuthor, err := bc.engine.Author(block.Header())
if err != nil {
return NonStatTy, err
}
var currentLocal, blockLocal bool
if bc.isLocalFn != nil {
currentLocal, blockLocal = bc.isLocalFn(currentAuthor), bc.isLocalFn(blockAuthor)
}
reorg = !currentLocal && (blockLocal || mrand.Float64() < 0.5)
var currentPreserve, blockPreserve bool
if bc.shouldPreserve != nil {
currentPreserve, blockPreserve = bc.shouldPreserve(currentBlock), bc.shouldPreserve(block)
}
reorg = !currentPreserve && (blockPreserve || mrand.Float64() < 0.5)
}
}
if reorg {