erigon-pulse/core/vm/logger.go
Alex Sharov c293883ec0
evm: no interface (#8376)
after removal of tevm experiment - we left interfaces everywhere 
removing it for performance and for geth compatibility
2023-10-05 12:23:08 +07:00

52 lines
2.2 KiB
Go

// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package vm
import (
"github.com/holiman/uint256"
libcommon "github.com/ledgerwatch/erigon-lib/common"
"github.com/ledgerwatch/erigon/core/types"
)
// EVMLogger is used to collect execution traces from an EVM transaction
// execution. CaptureState is called for each step of the VM with the
// current VM state.
// Note that reference types are actual VM data structures; make copies
// if you need to retain them beyond the current call.
type EVMLogger interface {
// Transaction level
CaptureTxStart(gasLimit uint64)
CaptureTxEnd(restGas uint64)
// Top call frame
CaptureStart(env *EVM, from libcommon.Address, to libcommon.Address, precompile bool, create bool, input []byte, gas uint64, value *uint256.Int, code []byte)
CaptureEnd(output []byte, usedGas uint64, err error)
// Rest of the frames
CaptureEnter(typ OpCode, from libcommon.Address, to libcommon.Address, precompile bool, create bool, input []byte, gas uint64, value *uint256.Int, code []byte)
CaptureExit(output []byte, usedGas uint64, err error)
// Opcode level
CaptureState(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, rData []byte, depth int, err error)
CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error)
}
// FlushableTracer is a Tracer extension whose accumulated traces has to be
// flushed once the tracing is completed.
type FlushableTracer interface {
EVMLogger
Flush(tx types.Transaction)
}