forked from mirror/go-ethereum
Péter Szilágyi
9 years ago
parent
ae37a8013d
commit
e86e0ecdc8
@ -1,171 +0,0 @@ |
||||
// Copyright 2015 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
package core |
||||
|
||||
import ( |
||||
"fmt" |
||||
|
||||
"github.com/ethereum/go-ethereum/common" |
||||
"github.com/ethereum/go-ethereum/core/types" |
||||
"github.com/ethereum/go-ethereum/ethdb" |
||||
"github.com/ethereum/go-ethereum/logger" |
||||
"github.com/ethereum/go-ethereum/logger/glog" |
||||
"github.com/ethereum/go-ethereum/rlp" |
||||
"github.com/syndtr/goleveldb/leveldb" |
||||
) |
||||
|
||||
var ( |
||||
receiptsPre = []byte("receipts-") |
||||
blockReceiptsPre = []byte("receipts-block-") |
||||
) |
||||
|
||||
// PutTransactions stores the transactions in the given database
|
||||
func PutTransactions(db ethdb.Database, block *types.Block, txs types.Transactions) error { |
||||
batch := db.NewBatch() |
||||
|
||||
for i, tx := range block.Transactions() { |
||||
rlpEnc, err := rlp.EncodeToBytes(tx) |
||||
if err != nil { |
||||
return fmt.Errorf("failed encoding tx: %v", err) |
||||
} |
||||
|
||||
batch.Put(tx.Hash().Bytes(), rlpEnc) |
||||
|
||||
var txExtra struct { |
||||
BlockHash common.Hash |
||||
BlockIndex uint64 |
||||
Index uint64 |
||||
} |
||||
txExtra.BlockHash = block.Hash() |
||||
txExtra.BlockIndex = block.NumberU64() |
||||
txExtra.Index = uint64(i) |
||||
rlpMeta, err := rlp.EncodeToBytes(txExtra) |
||||
if err != nil { |
||||
return fmt.Errorf("failed encoding tx meta data: %v", err) |
||||
} |
||||
|
||||
batch.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta) |
||||
} |
||||
|
||||
if err := batch.Write(); err != nil { |
||||
return fmt.Errorf("failed writing tx to db: %v", err) |
||||
} |
||||
return nil |
||||
} |
||||
|
||||
func DeleteTransaction(db ethdb.Database, txHash common.Hash) { |
||||
db.Delete(txHash[:]) |
||||
} |
||||
|
||||
func GetTransaction(db ethdb.Database, txhash common.Hash) *types.Transaction { |
||||
data, _ := db.Get(txhash[:]) |
||||
if len(data) != 0 { |
||||
var tx types.Transaction |
||||
if err := rlp.DecodeBytes(data, &tx); err != nil { |
||||
return nil |
||||
} |
||||
return &tx |
||||
} |
||||
return nil |
||||
} |
||||
|
||||
// PutReceipts stores the receipts in the current database
|
||||
func PutReceipts(db ethdb.Database, receipts types.Receipts) error { |
||||
batch := new(leveldb.Batch) |
||||
_, batchWrite := db.(*ethdb.LDBDatabase) |
||||
|
||||
for _, receipt := range receipts { |
||||
storageReceipt := (*types.ReceiptForStorage)(receipt) |
||||
bytes, err := rlp.EncodeToBytes(storageReceipt) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
|
||||
if batchWrite { |
||||
batch.Put(append(receiptsPre, receipt.TxHash[:]...), bytes) |
||||
} else { |
||||
err = db.Put(append(receiptsPre, receipt.TxHash[:]...), bytes) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
} |
||||
} |
||||
if db, ok := db.(*ethdb.LDBDatabase); ok { |
||||
if err := db.LDB().Write(batch, nil); err != nil { |
||||
return err |
||||
} |
||||
} |
||||
|
||||
return nil |
||||
} |
||||
|
||||
// Delete a receipts from the database
|
||||
func DeleteReceipt(db ethdb.Database, txHash common.Hash) { |
||||
db.Delete(append(receiptsPre, txHash[:]...)) |
||||
} |
||||
|
||||
// GetReceipt returns a receipt by hash
|
||||
func GetReceipt(db ethdb.Database, txHash common.Hash) *types.Receipt { |
||||
data, _ := db.Get(append(receiptsPre, txHash[:]...)) |
||||
if len(data) == 0 { |
||||
return nil |
||||
} |
||||
var receipt types.ReceiptForStorage |
||||
err := rlp.DecodeBytes(data, &receipt) |
||||
if err != nil { |
||||
glog.V(logger.Core).Infoln("GetReceipt err:", err) |
||||
} |
||||
return (*types.Receipt)(&receipt) |
||||
} |
||||
|
||||
// GetBlockReceipts returns the receipts generated by the transactions
|
||||
// included in block's given hash.
|
||||
func GetBlockReceipts(db ethdb.Database, hash common.Hash) types.Receipts { |
||||
data, _ := db.Get(append(blockReceiptsPre, hash[:]...)) |
||||
if len(data) == 0 { |
||||
return nil |
||||
} |
||||
rs := []*types.ReceiptForStorage{} |
||||
if err := rlp.DecodeBytes(data, &rs); err != nil { |
||||
glog.V(logger.Error).Infof("invalid receipt array RLP for hash %x: %v", hash, err) |
||||
return nil |
||||
} |
||||
receipts := make(types.Receipts, len(rs)) |
||||
for i, receipt := range rs { |
||||
receipts[i] = (*types.Receipt)(receipt) |
||||
} |
||||
return receipts |
||||
} |
||||
|
||||
// PutBlockReceipts stores the block's transactions associated receipts
|
||||
// and stores them by block hash in a single slice. This is required for
|
||||
// forks and chain reorgs
|
||||
func PutBlockReceipts(db ethdb.Database, hash common.Hash, receipts types.Receipts) error { |
||||
rs := make([]*types.ReceiptForStorage, len(receipts)) |
||||
for i, receipt := range receipts { |
||||
rs[i] = (*types.ReceiptForStorage)(receipt) |
||||
} |
||||
bytes, err := rlp.EncodeToBytes(rs) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
err = db.Put(append(blockReceiptsPre, hash[:]...), bytes) |
||||
if err != nil { |
||||
return err |
||||
} |
||||
return nil |
||||
} |
||||
Loading…
Reference in new issue