erigon-pulse/cmd/rpcdaemon/commands/eth_txs.go
Thomas Jay Rush 1af3e09d75
1209 automate documentation (#1290)
* Automate documentation

* Updating

* Updating

* Fixing lint

* Updating readthedocs documentation

* Updating testing

* Updating testing
2020-10-24 18:03:52 +01:00

83 lines
2.8 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 implements eth_getTransactionByHash. Returns information about a transaction given the transaction's 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 implements eth_getTransactionByBlockHashAndIndex. Returns information about a transaction given the block's hash and a transaction 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, err := rawdb.ReadBlockByHash(tx, blockHash)
if err != nil {
return nil, err
}
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 implements eth_getTransactionByBlockNumberAndIndex. Returns information about a transaction given a block number and transaction 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, err := rawdb.ReadBlockByNumber(tx, blockNum)
if err != nil {
return nil, err
}
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
}