128 lines
3.6 KiB
Go
128 lines
3.6 KiB
Go
// 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 (
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/logger"
|
|
"github.com/ethereum/go-ethereum/logger/glog"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
)
|
|
|
|
var (
|
|
receiptsPre = []byte("receipts-")
|
|
blockReceiptsPre = []byte("receipts-block-")
|
|
)
|
|
|
|
// PutTransactions stores the transactions in the given database
|
|
func PutTransactions(db common.Database, block *types.Block, txs types.Transactions) {
|
|
for i, tx := range block.Transactions() {
|
|
rlpEnc, err := rlp.EncodeToBytes(tx)
|
|
if err != nil {
|
|
glog.V(logger.Debug).Infoln("Failed encoding tx", err)
|
|
return
|
|
}
|
|
db.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 {
|
|
glog.V(logger.Debug).Infoln("Failed encoding tx meta data", err)
|
|
return
|
|
}
|
|
db.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
|
|
}
|
|
}
|
|
|
|
// PutReceipts stores the receipts in the current database
|
|
func PutReceipts(db common.Database, receipts types.Receipts) error {
|
|
for _, receipt := range receipts {
|
|
storageReceipt := (*types.ReceiptForStorage)(receipt)
|
|
bytes, err := rlp.EncodeToBytes(storageReceipt)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = db.Put(append(receiptsPre, receipt.TxHash[:]...), bytes)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// GetReceipt returns a receipt by hash
|
|
func GetReceipt(db common.Database, txHash common.Hash) *types.Receipt {
|
|
data, _ := db.Get(append(receiptsPre, txHash[:]...))
|
|
if len(data) == 0 {
|
|
return nil
|
|
}
|
|
|
|
var receipt types.Receipt
|
|
err := rlp.DecodeBytes(data, &receipt)
|
|
if err != nil {
|
|
glog.V(logger.Core).Infoln("GetReceipt err:", err)
|
|
}
|
|
return &receipt
|
|
}
|
|
|
|
// GetBlockReceipts returns the receipts generated by the transactions
|
|
// included in block's given hash.
|
|
func GetBlockReceipts(db common.Database, hash common.Hash) types.Receipts {
|
|
data, _ := db.Get(append(blockReceiptsPre, hash[:]...))
|
|
if len(data) == 0 {
|
|
return nil
|
|
}
|
|
|
|
var receipts types.Receipts
|
|
err := rlp.DecodeBytes(data, &receipts)
|
|
if err != nil {
|
|
glog.V(logger.Core).Infoln("GetReceiptse err", err)
|
|
}
|
|
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 common.Database, block *types.Block, 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
|
|
}
|
|
|
|
hash := block.Hash()
|
|
err = db.Put(append(blockReceiptsPre, hash[:]...), bytes)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|