// 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
}
// PutTransactions stores the transactions in the given database
func PutTransactions(db ethdb.Database, block *types.Block, txs types.Transactions) {
batch := new(leveldb.Batch)
_, batchWrite := db.(*ethdb.LDBDatabase)
for i, tx := range block.Transactions() {
rlpEnc, err := rlp.EncodeToBytes(tx)
if err != nil {
glog.V(logger.Debug).Infoln("Failed encoding tx", err)
return
}
if batchWrite {
batch.Put(tx.Hash().Bytes(), rlpEnc)
} else {
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
}
if batchWrite {
batch.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
} else {
db.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
}
}
if db, ok := db.(*ethdb.LDBDatabase); ok {
if err := db.LDB().Write(batch, nil); err != nil {
glog.V(logger.Error).Infoln("db write err:", err)
}
}
}
