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92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
// Copyright 2021 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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package txtrace
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import (
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"context"
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"fmt"
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"sync"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/metrics"
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txtrace "github.com/DeBankDeFi/etherlib/pkg/txtracev2"
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)
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var (
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txTraceWriteSuccessCounter = metrics.NewRegisteredCounter("chain/txtraces/write/success", nil)
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txTraceWriteFailCounter = metrics.NewRegisteredCounter("chain/txtraces/write/fail", nil)
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)
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var (
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once sync.Once
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defaultTraceStore *traceStore
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)
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var _ txtrace.Store = (*traceStore)(nil)
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type traceStore struct {
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db ethdb.Database
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}
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// NewTraceStore creates a new trace store.
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func NewTraceStore(db ethdb.Database) txtrace.Store {
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if defaultTraceStore != nil {
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return defaultTraceStore
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}
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once.Do(func() {
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defaultTraceStore = &traceStore{db: db}
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})
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return defaultTraceStore
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}
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// GetTraceStore get singleton traceStore.
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func GetTraceStore() *traceStore {
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return defaultTraceStore
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}
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func (t *traceStore) guard() error {
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if t.db == nil {
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return fmt.Errorf("txtrace mode not enabled")
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}
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return nil
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}
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// ReadTxTrace retrieves the result of tx by evm-tracing which stores in db.
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func (t *traceStore) ReadTxTrace(ctx context.Context, txHash common.Hash) ([]byte, error) {
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if err := t.guard(); err != nil {
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return []byte{}, err
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}
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data := rawdb.ReadTxTrace(t.db, txHash)
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return data, nil
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}
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// WriteTxTrace write the result of tx tracing by evm-tracing to db.
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func (t *traceStore) WriteTxTrace(ctx context.Context, txHash common.Hash, trace []byte) error {
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if err := t.guard(); err != nil {
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return err
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}
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err := rawdb.WriteTxTrace(t.db, txHash, trace)
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if err == nil {
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txTraceWriteSuccessCounter.Inc(1)
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return nil
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}
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txTraceWriteFailCounter.Inc(1)
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return err
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}
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