erigon-pulse/cmd/rpcdaemon/commands/eth_txs.go
Alex Sharov 6584b43b12
Allow start read transactions from ethdb.Database interface (#1287)
* allow_read_transactions

* fix lint

* fix lint

* more cases
2020-10-24 07:55:43 +01:00

77 lines
2.5 KiB
Go

package commands
import (
"context"
"fmt"
"github.com/ledgerwatch/turbo-geth/common"
"github.com/ledgerwatch/turbo-geth/common/hexutil"
"github.com/ledgerwatch/turbo-geth/core/rawdb"
"github.com/ledgerwatch/turbo-geth/rpc"
)
// GetTransactionByHash returns the transaction for the given hash
func (api *APIImpl) GetTransactionByHash(ctx context.Context, hash common.Hash) (*RPCTransaction, error) {
tx, err := api.dbReader.Begin(ctx, false)
if err != nil {
return nil, err
}
defer tx.Rollback()
// https://infura.io/docs/ethereum/json-rpc/eth-getTransactionByHash
txn, blockHash, blockNumber, txIndex := rawdb.ReadTransaction(tx, hash)
if txn == nil {
return nil, fmt.Errorf("transaction %#x not found", hash)
}
return newRPCTransaction(txn, blockHash, blockNumber, txIndex), nil
}
// GetTransactionByBlockHashAndIndex returns the transaction for the given block hash and index.
func (api *APIImpl) GetTransactionByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, txIndex hexutil.Uint64) (*RPCTransaction, error) {
tx, err := api.dbReader.Begin(ctx, false)
if err != nil {
return nil, err
}
defer tx.Rollback()
// https://infura.io/docs/ethereum/json-rpc/eth-getTransactionByBlockHashAndIndex
block := rawdb.ReadBlockByHash(tx, blockHash)
if block == nil {
return nil, fmt.Errorf("block %#x not found", blockHash)
}
txs := block.Transactions()
if uint64(txIndex) >= uint64(len(txs)) {
return nil, fmt.Errorf("txIndex (%d) out of range (nTxs: %d)", uint64(txIndex), uint64(len(txs)))
}
return newRPCTransaction(txs[txIndex], block.Hash(), block.NumberU64(), uint64(txIndex)), nil
}
// GetTransactionByBlockNumberAndIndex returns the transaction for the given block number and index.
func (api *APIImpl) GetTransactionByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, txIndex hexutil.Uint) (*RPCTransaction, error) {
tx, err := api.dbReader.Begin(ctx, false)
if err != nil {
return nil, err
}
defer tx.Rollback()
// https://infura.io/docs/ethereum/json-rpc/eth-getTransactionByBlockNumberAndIndex
blockNum, err := getBlockNumber(blockNr, tx)
if err != nil {
return nil, err
}
block := rawdb.ReadBlockByNumber(tx, blockNum)
if block == nil {
return nil, fmt.Errorf("block %d not found", blockNum)
}
txs := block.Transactions()
if uint64(txIndex) >= uint64(len(txs)) {
return nil, fmt.Errorf("txIndex (%d) out of range (nTxs: %d)", uint64(txIndex), uint64(len(txs)))
}
return newRPCTransaction(txs[txIndex], block.Hash(), block.NumberU64(), uint64(txIndex)), nil
}