86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
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-")
|
|
|
|
// 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
|
|
}
|
|
|
|
// GetReceiptFromBlock returns all receipts with the given block
|
|
func GetReceiptsFromBlock(db common.Database, block *types.Block) types.Receipts {
|
|
// at some point we want:
|
|
//receipts := make(types.Receipts, len(block.Transactions()))
|
|
// but since we need to support legacy, we can't (yet)
|
|
var receipts types.Receipts
|
|
for _, tx := range block.Transactions() {
|
|
if receipt := GetReceipt(db, tx.Hash()); receipt != nil {
|
|
receipts = append(receipts, receipt)
|
|
}
|
|
}
|
|
|
|
return receipts
|
|
}
|