diff options
Diffstat (limited to 'core/blockchain.go')
| -rw-r--r-- | core/blockchain.go | 73 |
1 files changed, 46 insertions, 27 deletions
diff --git a/core/blockchain.go b/core/blockchain.go index 63f60ca28..fe961e0c4 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -128,13 +128,14 @@ type BlockChain struct { validator Validator // block and state validator interface vmConfig vm.Config - badBlocks *lru.Cache // Bad block cache + 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) (*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, @@ -148,19 +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{}), - 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)) @@ -251,9 +253,9 @@ func (bc *BlockChain) loadLastState() error { blockTd := bc.GetTd(currentBlock.Hash(), currentBlock.NumberU64()) fastTd := bc.GetTd(currentFastBlock.Hash(), currentFastBlock.NumberU64()) - log.Info("Loaded most recent local header", "number", currentHeader.Number, "hash", currentHeader.Hash(), "td", headerTd) - log.Info("Loaded most recent local full block", "number", currentBlock.Number(), "hash", currentBlock.Hash(), "td", blockTd) - log.Info("Loaded most recent local fast block", "number", currentFastBlock.Number(), "hash", currentFastBlock.Hash(), "td", fastTd) + log.Info("Loaded most recent local header", "number", currentHeader.Number, "hash", currentHeader.Hash(), "td", headerTd, "age", common.PrettyAge(time.Unix(currentHeader.Time.Int64(), 0))) + log.Info("Loaded most recent local full block", "number", currentBlock.Number(), "hash", currentBlock.Hash(), "td", blockTd, "age", common.PrettyAge(time.Unix(currentBlock.Time().Int64(), 0))) + log.Info("Loaded most recent local fast block", "number", currentFastBlock.Number(), "hash", currentFastBlock.Hash(), "td", fastTd, "age", common.PrettyAge(time.Unix(currentFastBlock.Time().Int64(), 0))) return nil } @@ -850,13 +852,16 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [ } bc.mu.Unlock() - log.Info("Imported new block receipts", - "count", stats.processed, - "elapsed", common.PrettyDuration(time.Since(start)), - "number", head.Number(), - "hash", head.Hash(), + context := []interface{}{ + "count", stats.processed, "elapsed", common.PrettyDuration(time.Since(start)), + "number", head.Number(), "hash", head.Hash(), "age", common.PrettyAge(time.Unix(head.Time().Int64(), 0)), "size", common.StorageSize(bytes), - "ignored", stats.ignored) + } + if stats.ignored > 0 { + context = append(context, []interface{}{"ignored", stats.ignored}...) + } + log.Info("Imported new block receipts", context...) + return 0, nil } @@ -964,8 +969,17 @@ func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types. reorg := externTd.Cmp(localTd) > 0 currentBlock = bc.CurrentBlock() if !reorg && externTd.Cmp(localTd) == 0 { - // Split same-difficulty blocks by number, then at random - reorg = block.NumberU64() < currentBlock.NumberU64() || (block.NumberU64() == currentBlock.NumberU64() && mrand.Float64() < 0.5) + // Split same-difficulty blocks by number, then preferentially select + // the block generated by the local miner as the canonical block. + if block.NumberU64() < currentBlock.NumberU64() { + reorg = true + } else if block.NumberU64() == currentBlock.NumberU64() { + 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 { // Reorganise the chain if the parent is not the head block @@ -1229,8 +1243,13 @@ func (st *insertStats) report(chain []*types.Block, index int, cache common.Stor context := []interface{}{ "blocks", st.processed, "txs", txs, "mgas", float64(st.usedGas) / 1000000, "elapsed", common.PrettyDuration(elapsed), "mgasps", float64(st.usedGas) * 1000 / float64(elapsed), - "number", end.Number(), "hash", end.Hash(), "cache", cache, + "number", end.Number(), "hash", end.Hash(), + } + if timestamp := time.Unix(end.Time().Int64(), 0); time.Since(timestamp) > time.Minute { + context = append(context, []interface{}{"age", common.PrettyAge(timestamp)}...) } + context = append(context, []interface{}{"cache", cache}...) + if st.queued > 0 { context = append(context, []interface{}{"queued", st.queued}...) } |