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38 lines
1.7 KiB
38 lines
1.7 KiB
// 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 vm
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import (
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"math/big"
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"time"
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"github.com/ethereum/go-ethereum/common"
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)
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// EVMLogger is used to collect execution traces from an EVM transaction
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// execution. CaptureState is called for each step of the VM with the
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// current VM state.
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// Note that reference types are actual VM data structures; make copies
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// if you need to retain them beyond the current call.
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type EVMLogger interface {
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CaptureStart(env *EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int)
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CaptureState(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, rData []byte, depth int, err error)
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CaptureEnter(typ OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int)
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CaptureExit(output []byte, gasUsed uint64, err error)
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CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error)
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CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error)
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}
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