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" ) 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) } } func PutReceipts(db common.Database, hash common.Hash, receipts types.Receipts) error { storageReceipts := make([]*types.ReceiptForStorage, len(receipts)) for i, receipt := range receipts { storageReceipts[i] = (*types.ReceiptForStorage)(receipt) } bytes, err := rlp.EncodeToBytes(storageReceipts) if err != nil { return err } db.Put(append(receiptsPre, hash[:]...), bytes) return nil }