mirror of
https://github.com/ethereum/go-ethereum.git
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65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
// Copyright 2022 The go-ethereum Authors
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// // This file is part of the go-ethereum library.
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// //
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// // The go-ethereum library is free software: you can redistribute it and/or modify
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// // it under the terms of the GNU Lesser General Public License as published by
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// // the Free Software Foundation, either version 3 of the License, or
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// // (at your option) any later version.
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// //
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// // The go-ethereum library is distributed in the hope that it will be useful,
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// // but WITHOUT ANY WARRANTY; without even the implied warranty of
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// // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// // GNU Lesser General Public License for more details.
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// //
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// // You should have received a copy of the GNU Lesser General Public License
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// // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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//
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// // Package ethapi implements the general Ethereum API functions.
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package eth
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import (
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"bytes"
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"context"
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/rlp"
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txtracelib "github.com/DeBankDeFi/etherlib/pkg/txtracev2"
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)
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// PublicTxTraceAPI provides an API to tracing transaction or block information.
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// // It offers only methods that operate on public data that is freely available to anyone.
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type PublicTxTraceAPI struct {
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e *Ethereum
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}
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// NewPublicTxTraceAPI creates a new trace API.
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func NewPublicTxTraceAPI(e *Ethereum) *PublicTxTraceAPI {
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return &PublicTxTraceAPI{e: e}
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}
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// Transaction trace_transaction function returns transaction traces.
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func (api *PublicTxTraceAPI) Transaction(ctx context.Context, txHash common.Hash) (interface{}, error) {
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if api.e.blockchain == nil {
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return []byte{}, fmt.Errorf("blockchain corruput")
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}
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raw, err := api.e.blockchain.TxTraceStore().ReadTxTrace(ctx, txHash)
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if err != nil {
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return []byte{}, err
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}
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if bytes.Equal(raw, []byte{}) { // empty response
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return nil, fmt.Errorf("trace result of tx {%#v} not found in tracedb", txHash)
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}
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flatten := new(txtracelib.ActionTraceList)
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err = rlp.DecodeBytes(raw, flatten)
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if err != nil {
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return nil, fmt.Errorf("failed to decode rlp flatten traces: %v", err)
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}
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return *flatten, nil
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}
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