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core, internal/ethapi: add and use LRU cache for receipts (#17610)

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This commit is contained in:
Ryan Schneider 2018-09-29 13:53:31 -07:00 committed by Felix Lange
parent 86ec213076
commit b69942befe
2 changed files with 20 additions and 16 deletions
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14
core/blockchain.go
View File

@ -55,6 +55,7 @@ var (
const (
bodyCacheLimit = 256
blockCacheLimit = 256
receiptsCacheLimit = 32
maxFutureBlocks = 256
maxTimeFutureBlocks = 30
badBlockLimit = 10
@ -114,6 +115,7 @@ type BlockChain struct {
stateCache state.Database // State database to reuse between imports (contains state cache)
bodyCache *lru.Cache // Cache for the most recent block bodies
bodyRLPCache *lru.Cache // Cache for the most recent block bodies in RLP encoded format
receiptsCache *lru.Cache // Cache for the most recent receipts per block
blockCache *lru.Cache // Cache for the most recent entire blocks
futureBlocks *lru.Cache // future blocks are blocks added for later processing
@ -144,6 +146,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
}
bodyCache, _ := lru.New(bodyCacheLimit)
bodyRLPCache, _ := lru.New(bodyCacheLimit)
receiptsCache, _ := lru.New(receiptsCacheLimit)
blockCache, _ := lru.New(blockCacheLimit)
futureBlocks, _ := lru.New(maxFutureBlocks)
badBlocks, _ := lru.New(badBlockLimit)
@ -158,6 +161,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
shouldPreserve: shouldPreserve,
bodyCache: bodyCache,
bodyRLPCache: bodyRLPCache,
receiptsCache: receiptsCache,
blockCache: blockCache,
futureBlocks: futureBlocks,
engine: engine,
@ -280,6 +284,7 @@ func (bc *BlockChain) SetHead(head uint64) error {
// Clear out any stale content from the caches
bc.bodyCache.Purge()
bc.bodyRLPCache.Purge()
bc.receiptsCache.Purge()
bc.blockCache.Purge()
bc.futureBlocks.Purge()
@ -603,11 +608,18 @@ func (bc *BlockChain) GetBlockByNumber(number uint64) *types.Block {
// GetReceiptsByHash retrieves the receipts for all transactions in a given block.
func (bc *BlockChain) GetReceiptsByHash(hash common.Hash) types.Receipts {
if receipts, ok := bc.receiptsCache.Get(hash); ok {
return receipts.(types.Receipts)
}
number := rawdb.ReadHeaderNumber(bc.db, hash)
if number == nil {
return nil
}
return rawdb.ReadReceipts(bc.db, hash, *number)
receipts := rawdb.ReadReceipts(bc.db, hash, *number)
bc.receiptsCache.Add(hash, receipts)
return receipts
}
// GetBlocksFromHash returns the block corresponding to hash and up to n-1 ancestors.

12
eth/api_backend.go
View File

@ -25,7 +25,6 @@ import (
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/bloombits"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
@ -107,18 +106,11 @@ func (b *EthAPIBackend) GetBlock(ctx context.Context, hash common.Hash) (*types.
}
func (b *EthAPIBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
if number := rawdb.ReadHeaderNumber(b.eth.chainDb, hash); number != nil {
return rawdb.ReadReceipts(b.eth.chainDb, hash, *number), nil
}
return nil, nil
return b.eth.blockchain.GetReceiptsByHash(hash), nil
}
func (b *EthAPIBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
number := rawdb.ReadHeaderNumber(b.eth.chainDb, hash)
if number == nil {
return nil, nil
}
receipts := rawdb.ReadReceipts(b.eth.chainDb, hash, *number)
receipts := b.eth.blockchain.GetReceiptsByHash(hash)
if receipts == nil {
return nil, nil
}