mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-07-27 23:26:44 +00:00
1e5725f03b
The REVERT op codes reverts the state by returning an error from the instruction. The instruction was checked during in the EVM. This error would then determine whether any gas should be consumed or not. If the error was an errRevert, no gas was further reduced and only state was reverted. This solution is error prone as you'll need an err check in multiple locations and removes the no-err check requirement of the evm. This has been solved by passing the snapshot to the interpreter and letting the interpreter do the state reverting if the operation so requires.
878 lines
22 KiB
Go
878 lines
22 KiB
Go
// Copyright 2015 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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"errors"
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"math/big"
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"github.com/ethereum/go-ethereum/params"
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)
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type (
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executionFunc func(pc *uint64, env *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error)
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gasFunc func(params.GasTable, *EVM, *Contract, *Stack, *Memory, uint64) (uint64, error) // last parameter is the requested memory size as a uint64
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stackValidationFunc func(*Stack) error
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memorySizeFunc func(*Stack) *big.Int
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)
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var errGasUintOverflow = errors.New("gas uint64 overflow")
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type operation struct {
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// op is the operation function
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execute executionFunc
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// gasCost is the gas function and returns the gas required for execution
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gasCost gasFunc
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// validateStack validates the stack (size) for the operation
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validateStack stackValidationFunc
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// memorySize returns the memory size required for the operation
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memorySize memorySizeFunc
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// halts indicates whether the operation shoult halt further execution
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// and return
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halts bool
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// jumps indicates whether operation made a jump. This prevents the program
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// counter from further incrementing.
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jumps bool
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// writes determines whether this a state modifying operation
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writes bool
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// valid is used to check whether the retrieved operation is valid and known
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valid bool
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// reverts determined whether the operation reverts state
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reverts bool
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}
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var defaultJumpTable = NewJumpTable()
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func NewJumpTable() [256]operation {
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return [256]operation{
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STOP: {
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execute: opStop,
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gasCost: constGasFunc(0),
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validateStack: makeStackFunc(0, 0),
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halts: true,
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valid: true,
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},
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ADD: {
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execute: opAdd,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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MUL: {
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execute: opMul,
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gasCost: constGasFunc(GasFastStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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SUB: {
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execute: opSub,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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DIV: {
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execute: opDiv,
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gasCost: constGasFunc(GasFastStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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SDIV: {
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execute: opSdiv,
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gasCost: constGasFunc(GasFastStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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MOD: {
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execute: opMod,
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gasCost: constGasFunc(GasFastStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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SMOD: {
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execute: opSmod,
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gasCost: constGasFunc(GasFastStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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ADDMOD: {
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execute: opAddmod,
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gasCost: constGasFunc(GasMidStep),
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validateStack: makeStackFunc(3, 1),
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valid: true,
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},
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MULMOD: {
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execute: opMulmod,
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gasCost: constGasFunc(GasMidStep),
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validateStack: makeStackFunc(3, 1),
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valid: true,
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},
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EXP: {
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execute: opExp,
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gasCost: gasExp,
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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SIGNEXTEND: {
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execute: opSignExtend,
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gasCost: constGasFunc(GasFastStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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LT: {
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execute: opLt,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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GT: {
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execute: opGt,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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SLT: {
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execute: opSlt,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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SGT: {
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execute: opSgt,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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EQ: {
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execute: opEq,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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ISZERO: {
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execute: opIszero,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(1, 1),
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valid: true,
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},
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AND: {
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execute: opAnd,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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XOR: {
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execute: opXor,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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OR: {
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execute: opOr,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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NOT: {
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execute: opNot,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(1, 1),
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valid: true,
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},
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BYTE: {
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execute: opByte,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 1),
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valid: true,
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},
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SHA3: {
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execute: opSha3,
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gasCost: gasSha3,
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validateStack: makeStackFunc(2, 1),
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memorySize: memorySha3,
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valid: true,
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},
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ADDRESS: {
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execute: opAddress,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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BALANCE: {
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execute: opBalance,
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gasCost: gasBalance,
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validateStack: makeStackFunc(1, 1),
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valid: true,
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},
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ORIGIN: {
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execute: opOrigin,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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CALLER: {
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execute: opCaller,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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CALLVALUE: {
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execute: opCallValue,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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CALLDATALOAD: {
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execute: opCalldataLoad,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(1, 1),
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valid: true,
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},
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CALLDATASIZE: {
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execute: opCalldataSize,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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CALLDATACOPY: {
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execute: opCalldataCopy,
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gasCost: gasCalldataCopy,
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validateStack: makeStackFunc(3, 0),
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memorySize: memoryCalldataCopy,
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valid: true,
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},
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CODESIZE: {
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execute: opCodeSize,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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CODECOPY: {
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execute: opCodeCopy,
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gasCost: gasCodeCopy,
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validateStack: makeStackFunc(3, 0),
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memorySize: memoryCodeCopy,
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valid: true,
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},
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GASPRICE: {
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execute: opGasprice,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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EXTCODESIZE: {
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execute: opExtCodeSize,
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gasCost: gasExtCodeSize,
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validateStack: makeStackFunc(1, 1),
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valid: true,
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},
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EXTCODECOPY: {
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execute: opExtCodeCopy,
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gasCost: gasExtCodeCopy,
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validateStack: makeStackFunc(4, 0),
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memorySize: memoryExtCodeCopy,
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valid: true,
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},
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BLOCKHASH: {
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execute: opBlockhash,
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gasCost: constGasFunc(GasExtStep),
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validateStack: makeStackFunc(1, 1),
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valid: true,
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},
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COINBASE: {
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execute: opCoinbase,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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TIMESTAMP: {
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execute: opTimestamp,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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NUMBER: {
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execute: opNumber,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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DIFFICULTY: {
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execute: opDifficulty,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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GASLIMIT: {
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execute: opGasLimit,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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POP: {
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execute: opPop,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(1, 0),
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valid: true,
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},
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MLOAD: {
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execute: opMload,
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gasCost: gasMLoad,
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validateStack: makeStackFunc(1, 1),
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memorySize: memoryMLoad,
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valid: true,
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},
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MSTORE: {
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execute: opMstore,
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gasCost: gasMStore,
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validateStack: makeStackFunc(2, 0),
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memorySize: memoryMStore,
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valid: true,
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},
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MSTORE8: {
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execute: opMstore8,
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gasCost: gasMStore8,
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memorySize: memoryMStore8,
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validateStack: makeStackFunc(2, 0),
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valid: true,
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},
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SLOAD: {
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execute: opSload,
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gasCost: gasSLoad,
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validateStack: makeStackFunc(1, 1),
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valid: true,
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},
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SSTORE: {
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execute: opSstore,
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gasCost: gasSStore,
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validateStack: makeStackFunc(2, 0),
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valid: true,
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writes: true,
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},
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JUMP: {
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execute: opJump,
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gasCost: constGasFunc(GasMidStep),
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validateStack: makeStackFunc(1, 0),
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jumps: true,
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valid: true,
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},
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JUMPI: {
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execute: opJumpi,
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gasCost: constGasFunc(GasSlowStep),
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validateStack: makeStackFunc(2, 0),
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jumps: true,
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valid: true,
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},
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PC: {
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execute: opPc,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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MSIZE: {
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execute: opMsize,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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GAS: {
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execute: opGas,
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gasCost: constGasFunc(GasQuickStep),
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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// TODO:
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// * Determine cost
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REVERT: {
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execute: opRevert,
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gasCost: constGasFunc(GasFastestStep),
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validateStack: makeStackFunc(2, 0),
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valid: true,
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reverts: true,
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},
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JUMPDEST: {
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execute: opJumpdest,
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gasCost: constGasFunc(params.JumpdestGas),
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validateStack: makeStackFunc(0, 0),
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valid: true,
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},
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PUSH1: {
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execute: makePush(1, big.NewInt(1)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH2: {
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execute: makePush(2, big.NewInt(2)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH3: {
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execute: makePush(3, big.NewInt(3)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH4: {
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execute: makePush(4, big.NewInt(4)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH5: {
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execute: makePush(5, big.NewInt(5)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH6: {
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execute: makePush(6, big.NewInt(6)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH7: {
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execute: makePush(7, big.NewInt(7)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH8: {
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execute: makePush(8, big.NewInt(8)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH9: {
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execute: makePush(9, big.NewInt(9)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH10: {
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execute: makePush(10, big.NewInt(10)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH11: {
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execute: makePush(11, big.NewInt(11)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH12: {
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execute: makePush(12, big.NewInt(12)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH13: {
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execute: makePush(13, big.NewInt(13)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH14: {
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execute: makePush(14, big.NewInt(14)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH15: {
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execute: makePush(15, big.NewInt(15)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH16: {
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execute: makePush(16, big.NewInt(16)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH17: {
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execute: makePush(17, big.NewInt(17)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH18: {
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execute: makePush(18, big.NewInt(18)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH19: {
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execute: makePush(19, big.NewInt(19)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH20: {
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execute: makePush(20, big.NewInt(20)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH21: {
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execute: makePush(21, big.NewInt(21)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH22: {
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execute: makePush(22, big.NewInt(22)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH23: {
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execute: makePush(23, big.NewInt(23)),
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gasCost: gasPush,
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validateStack: makeStackFunc(0, 1),
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valid: true,
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},
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PUSH24: {
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execute: makePush(24, big.NewInt(24)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
PUSH25: {
|
|
execute: makePush(25, big.NewInt(25)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
PUSH26: {
|
|
execute: makePush(26, big.NewInt(26)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
PUSH27: {
|
|
execute: makePush(27, big.NewInt(27)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
PUSH28: {
|
|
execute: makePush(28, big.NewInt(28)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
PUSH29: {
|
|
execute: makePush(29, big.NewInt(29)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
PUSH30: {
|
|
execute: makePush(30, big.NewInt(30)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
PUSH31: {
|
|
execute: makePush(31, big.NewInt(31)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
PUSH32: {
|
|
execute: makePush(32, big.NewInt(32)),
|
|
gasCost: gasPush,
|
|
validateStack: makeStackFunc(0, 1),
|
|
valid: true,
|
|
},
|
|
DUP1: {
|
|
execute: makeDup(1),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(1),
|
|
valid: true,
|
|
},
|
|
DUP2: {
|
|
execute: makeDup(2),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(2),
|
|
valid: true,
|
|
},
|
|
DUP3: {
|
|
execute: makeDup(3),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(3),
|
|
valid: true,
|
|
},
|
|
DUP4: {
|
|
execute: makeDup(4),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(4),
|
|
valid: true,
|
|
},
|
|
DUP5: {
|
|
execute: makeDup(5),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(5),
|
|
valid: true,
|
|
},
|
|
DUP6: {
|
|
execute: makeDup(6),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(6),
|
|
valid: true,
|
|
},
|
|
DUP7: {
|
|
execute: makeDup(7),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(7),
|
|
valid: true,
|
|
},
|
|
DUP8: {
|
|
execute: makeDup(8),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(8),
|
|
valid: true,
|
|
},
|
|
DUP9: {
|
|
execute: makeDup(9),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(9),
|
|
valid: true,
|
|
},
|
|
DUP10: {
|
|
execute: makeDup(10),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(10),
|
|
valid: true,
|
|
},
|
|
DUP11: {
|
|
execute: makeDup(11),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(11),
|
|
valid: true,
|
|
},
|
|
DUP12: {
|
|
execute: makeDup(12),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(12),
|
|
valid: true,
|
|
},
|
|
DUP13: {
|
|
execute: makeDup(13),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(13),
|
|
valid: true,
|
|
},
|
|
DUP14: {
|
|
execute: makeDup(14),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(14),
|
|
valid: true,
|
|
},
|
|
DUP15: {
|
|
execute: makeDup(15),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(15),
|
|
valid: true,
|
|
},
|
|
DUP16: {
|
|
execute: makeDup(16),
|
|
gasCost: gasDup,
|
|
validateStack: makeDupStackFunc(16),
|
|
valid: true,
|
|
},
|
|
SWAP1: {
|
|
execute: makeSwap(1),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(2),
|
|
valid: true,
|
|
},
|
|
SWAP2: {
|
|
execute: makeSwap(2),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(3),
|
|
valid: true,
|
|
},
|
|
SWAP3: {
|
|
execute: makeSwap(3),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(4),
|
|
valid: true,
|
|
},
|
|
SWAP4: {
|
|
execute: makeSwap(4),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(5),
|
|
valid: true,
|
|
},
|
|
SWAP5: {
|
|
execute: makeSwap(5),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(6),
|
|
valid: true,
|
|
},
|
|
SWAP6: {
|
|
execute: makeSwap(6),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(7),
|
|
valid: true,
|
|
},
|
|
SWAP7: {
|
|
execute: makeSwap(7),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(8),
|
|
valid: true,
|
|
},
|
|
SWAP8: {
|
|
execute: makeSwap(8),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(9),
|
|
valid: true,
|
|
},
|
|
SWAP9: {
|
|
execute: makeSwap(9),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(10),
|
|
valid: true,
|
|
},
|
|
SWAP10: {
|
|
execute: makeSwap(10),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(11),
|
|
valid: true,
|
|
},
|
|
SWAP11: {
|
|
execute: makeSwap(11),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(12),
|
|
valid: true,
|
|
},
|
|
SWAP12: {
|
|
execute: makeSwap(12),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(13),
|
|
valid: true,
|
|
},
|
|
SWAP13: {
|
|
execute: makeSwap(13),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(14),
|
|
valid: true,
|
|
},
|
|
SWAP14: {
|
|
execute: makeSwap(14),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(15),
|
|
valid: true,
|
|
},
|
|
SWAP15: {
|
|
execute: makeSwap(15),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(16),
|
|
valid: true,
|
|
},
|
|
SWAP16: {
|
|
execute: makeSwap(16),
|
|
gasCost: gasSwap,
|
|
validateStack: makeSwapStackFunc(17),
|
|
valid: true,
|
|
},
|
|
LOG0: {
|
|
execute: makeLog(0),
|
|
gasCost: makeGasLog(0),
|
|
validateStack: makeStackFunc(2, 0),
|
|
memorySize: memoryLog,
|
|
valid: true,
|
|
},
|
|
LOG1: {
|
|
execute: makeLog(1),
|
|
gasCost: makeGasLog(1),
|
|
validateStack: makeStackFunc(3, 0),
|
|
memorySize: memoryLog,
|
|
valid: true,
|
|
},
|
|
LOG2: {
|
|
execute: makeLog(2),
|
|
gasCost: makeGasLog(2),
|
|
validateStack: makeStackFunc(4, 0),
|
|
memorySize: memoryLog,
|
|
valid: true,
|
|
},
|
|
LOG3: {
|
|
execute: makeLog(3),
|
|
gasCost: makeGasLog(3),
|
|
validateStack: makeStackFunc(5, 0),
|
|
memorySize: memoryLog,
|
|
valid: true,
|
|
},
|
|
LOG4: {
|
|
execute: makeLog(4),
|
|
gasCost: makeGasLog(4),
|
|
validateStack: makeStackFunc(6, 0),
|
|
memorySize: memoryLog,
|
|
valid: true,
|
|
},
|
|
CREATE: {
|
|
execute: opCreate,
|
|
gasCost: gasCreate,
|
|
validateStack: makeStackFunc(3, 1),
|
|
memorySize: memoryCreate,
|
|
valid: true,
|
|
writes: true,
|
|
},
|
|
CALL: {
|
|
execute: opCall,
|
|
gasCost: gasCall,
|
|
validateStack: makeStackFunc(7, 1),
|
|
memorySize: memoryCall,
|
|
valid: true,
|
|
},
|
|
CALLCODE: {
|
|
execute: opCallCode,
|
|
gasCost: gasCallCode,
|
|
validateStack: makeStackFunc(7, 1),
|
|
memorySize: memoryCall,
|
|
valid: true,
|
|
},
|
|
RETURN: {
|
|
execute: opReturn,
|
|
gasCost: gasReturn,
|
|
validateStack: makeStackFunc(2, 0),
|
|
memorySize: memoryReturn,
|
|
halts: true,
|
|
valid: true,
|
|
},
|
|
DELEGATECALL: {
|
|
execute: opDelegateCall,
|
|
gasCost: gasDelegateCall,
|
|
validateStack: makeStackFunc(6, 1),
|
|
memorySize: memoryDelegateCall,
|
|
valid: true,
|
|
},
|
|
SELFDESTRUCT: {
|
|
execute: opSuicide,
|
|
gasCost: gasSuicide,
|
|
validateStack: makeStackFunc(1, 0),
|
|
halts: true,
|
|
valid: true,
|
|
writes: true,
|
|
},
|
|
}
|
|
}
|