forked from mirror/go-ethereum
Merge pull request #1923 from karalabe/cleanup-receipt-data-access
core, eth, miner, xeth: clean up tx/receipt db accessorsrelease/1.3.2^2
Jeffrey Wilcke
9 years ago
commit
7399b138a8
@ -1,171 +0,0 @@ |
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// Copyright 2015 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 core |
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import ( |
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"fmt" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/core/types" |
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"github.com/ethereum/go-ethereum/ethdb" |
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"github.com/ethereum/go-ethereum/logger" |
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"github.com/ethereum/go-ethereum/logger/glog" |
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"github.com/ethereum/go-ethereum/rlp" |
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"github.com/syndtr/goleveldb/leveldb" |
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) |
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var ( |
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receiptsPre = []byte("receipts-") |
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blockReceiptsPre = []byte("receipts-block-") |
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) |
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// PutTransactions stores the transactions in the given database
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func PutTransactions(db ethdb.Database, block *types.Block, txs types.Transactions) error { |
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batch := db.NewBatch() |
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for i, tx := range block.Transactions() { |
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rlpEnc, err := rlp.EncodeToBytes(tx) |
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if err != nil { |
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return fmt.Errorf("failed encoding tx: %v", err) |
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} |
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batch.Put(tx.Hash().Bytes(), rlpEnc) |
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var txExtra struct { |
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BlockHash common.Hash |
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BlockIndex uint64 |
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Index uint64 |
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} |
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txExtra.BlockHash = block.Hash() |
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txExtra.BlockIndex = block.NumberU64() |
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txExtra.Index = uint64(i) |
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rlpMeta, err := rlp.EncodeToBytes(txExtra) |
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if err != nil { |
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return fmt.Errorf("failed encoding tx meta data: %v", err) |
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} |
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batch.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta) |
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} |
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if err := batch.Write(); err != nil { |
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return fmt.Errorf("failed writing tx to db: %v", err) |
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} |
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return nil |
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} |
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func DeleteTransaction(db ethdb.Database, txHash common.Hash) { |
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db.Delete(txHash[:]) |
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} |
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func GetTransaction(db ethdb.Database, txhash common.Hash) *types.Transaction { |
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data, _ := db.Get(txhash[:]) |
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if len(data) != 0 { |
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var tx types.Transaction |
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if err := rlp.DecodeBytes(data, &tx); err != nil { |
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return nil |
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} |
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return &tx |
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} |
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return nil |
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} |
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// PutReceipts stores the receipts in the current database
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func PutReceipts(db ethdb.Database, receipts types.Receipts) error { |
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batch := new(leveldb.Batch) |
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_, batchWrite := db.(*ethdb.LDBDatabase) |
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for _, receipt := range receipts { |
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storageReceipt := (*types.ReceiptForStorage)(receipt) |
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bytes, err := rlp.EncodeToBytes(storageReceipt) |
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if err != nil { |
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return err |
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} |
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if batchWrite { |
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batch.Put(append(receiptsPre, receipt.TxHash[:]...), bytes) |
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} else { |
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err = db.Put(append(receiptsPre, receipt.TxHash[:]...), bytes) |
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if err != nil { |
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return err |
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} |
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} |
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} |
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if db, ok := db.(*ethdb.LDBDatabase); ok { |
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if err := db.LDB().Write(batch, nil); err != nil { |
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return err |
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} |
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} |
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return nil |
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} |
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// Delete a receipts from the database
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func DeleteReceipt(db ethdb.Database, txHash common.Hash) { |
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db.Delete(append(receiptsPre, txHash[:]...)) |
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} |
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// GetReceipt returns a receipt by hash
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func GetReceipt(db ethdb.Database, txHash common.Hash) *types.Receipt { |
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data, _ := db.Get(append(receiptsPre, txHash[:]...)) |
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if len(data) == 0 { |
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return nil |
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} |
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var receipt types.ReceiptForStorage |
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err := rlp.DecodeBytes(data, &receipt) |
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if err != nil { |
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glog.V(logger.Core).Infoln("GetReceipt err:", err) |
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} |
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return (*types.Receipt)(&receipt) |
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} |
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// GetBlockReceipts returns the receipts generated by the transactions
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// included in block's given hash.
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func GetBlockReceipts(db ethdb.Database, hash common.Hash) types.Receipts { |
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data, _ := db.Get(append(blockReceiptsPre, hash[:]...)) |
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if len(data) == 0 { |
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return nil |
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} |
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rs := []*types.ReceiptForStorage{} |
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if err := rlp.DecodeBytes(data, &rs); err != nil { |
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glog.V(logger.Error).Infof("invalid receipt array RLP for hash %x: %v", hash, err) |
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return nil |
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} |
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receipts := make(types.Receipts, len(rs)) |
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for i, receipt := range rs { |
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receipts[i] = (*types.Receipt)(receipt) |
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} |
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return receipts |
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} |
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// PutBlockReceipts stores the block's transactions associated receipts
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// and stores them by block hash in a single slice. This is required for
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// forks and chain reorgs
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func PutBlockReceipts(db ethdb.Database, hash common.Hash, receipts types.Receipts) error { |
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rs := make([]*types.ReceiptForStorage, len(receipts)) |
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for i, receipt := range receipts { |
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rs[i] = (*types.ReceiptForStorage)(receipt) |
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} |
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bytes, err := rlp.EncodeToBytes(rs) |
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if err != nil { |
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return err |
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} |
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err = db.Put(append(blockReceiptsPre, hash[:]...), bytes) |
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if err != nil { |
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return err |
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} |
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return nil |
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} |
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