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jump_table.go
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jump_table.go
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// 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 (
"errors"
"github.com/ethereum/go-ethereum/params"
)
type (
executionFunc func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error)
gasFunc func(*EVM, *Contract, *Stack, *Memory, uint64) (uint64, error) // last parameter is the requested memory size as a uint64
// memorySizeFunc returns the required size, and whether the operation overflowed a uint64
memorySizeFunc func(*Stack) (size uint64, overflow bool)
)
var errGasUintOverflow = errors.New("gas uint64 overflow")
type operation struct {
// execute is the operation function
execute executionFunc
constantGas uint64
dynamicGas gasFunc
// minStack tells how many stack items are required
minStack int
// maxStack specifies the max length the stack can have for this operation
// to not overflow the stack.
maxStack int
// memorySize returns the memory size required for the operation
memorySize memorySizeFunc
halts bool // indicates whether the operation should halt further execution
jumps bool // indicates whether the program counter should not increment
writes bool // determines whether this a state modifying operation
valid bool // indication whether the retrieved operation is valid and known
reverts bool // determines whether the operation reverts state (implicitly halts)
returns bool // determines whether the operations sets the return data content
}
var (
frontierInstructionSet = newFrontierInstructionSet()
homesteadInstructionSet = newHomesteadInstructionSet()
tangerineWhistleInstructionSet = newTangerineWhistleInstructionSet()
spuriousDragonInstructionSet = newSpuriousDragonInstructionSet()
byzantiumInstructionSet = newByzantiumInstructionSet()
constantinopleInstructionSet = newConstantinopleInstructionSet()
istanbulInstructionSet = newIstanbulInstructionSet()
)
// JumpTable contains the EVM opcodes supported at a given fork.
type JumpTable [256]operation
// newIstanbulInstructionSet returns the frontier, homestead
// byzantium, contantinople and petersburg instructions.
func newIstanbulInstructionSet() JumpTable {
instructionSet := newConstantinopleInstructionSet()
enable1344(&instructionSet) // ChainID opcode - https://eips.ethereum.org/EIPS/eip-1344
enable1884(&instructionSet) // Reprice reader opcodes - https://eips.ethereum.org/EIPS/eip-1884
enable2200(&instructionSet) // Net metered SSTORE - https://eips.ethereum.org/EIPS/eip-2200
return instructionSet
}
// newConstantinopleInstructionSet returns the frontier, homestead
// byzantium and contantinople instructions.
func newConstantinopleInstructionSet() JumpTable {
instructionSet := newByzantiumInstructionSet()
instructionSet[SHL] = operation{
execute: opSHL,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
}
instructionSet[SHR] = operation{
execute: opSHR,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
}
instructionSet[SAR] = operation{
execute: opSAR,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
}
instructionSet[EXTCODEHASH] = operation{
execute: opExtCodeHash,
constantGas: params.ExtcodeHashGasConstantinople,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
}
instructionSet[CREATE2] = operation{
execute: opCreate2,
constantGas: params.Create2Gas,
dynamicGas: gasCreate2,
minStack: minStack(4, 1),
maxStack: maxStack(4, 1),
memorySize: memoryCreate2,
valid: true,
writes: true,
returns: true,
}
return instructionSet
}
// newByzantiumInstructionSet returns the frontier, homestead and
// byzantium instructions.
func newByzantiumInstructionSet() JumpTable {
instructionSet := newSpuriousDragonInstructionSet()
instructionSet[STATICCALL] = operation{
execute: opStaticCall,
constantGas: params.CallGasEIP150,
dynamicGas: gasStaticCall,
minStack: minStack(6, 1),
maxStack: maxStack(6, 1),
memorySize: memoryStaticCall,
valid: true,
returns: true,
}
instructionSet[RETURNDATASIZE] = operation{
execute: opReturnDataSize,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
}
instructionSet[RETURNDATACOPY] = operation{
execute: opReturnDataCopy,
constantGas: GasFastestStep,
dynamicGas: gasReturnDataCopy,
minStack: minStack(3, 0),
maxStack: maxStack(3, 0),
memorySize: memoryReturnDataCopy,
valid: true,
}
instructionSet[REVERT] = operation{
execute: opRevert,
dynamicGas: gasRevert,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
memorySize: memoryRevert,
valid: true,
reverts: true,
returns: true,
}
return instructionSet
}
// EIP 158 a.k.a Spurious Dragon
func newSpuriousDragonInstructionSet() JumpTable {
instructionSet := newTangerineWhistleInstructionSet()
instructionSet[EXP].dynamicGas = gasExpEIP158
return instructionSet
}
// EIP 150 a.k.a Tangerine Whistle
func newTangerineWhistleInstructionSet() JumpTable {
instructionSet := newHomesteadInstructionSet()
instructionSet[BALANCE].constantGas = params.BalanceGasEIP150
instructionSet[EXTCODESIZE].constantGas = params.ExtcodeSizeGasEIP150
instructionSet[SLOAD].constantGas = params.SloadGasEIP150
instructionSet[EXTCODECOPY].constantGas = params.ExtcodeCopyBaseEIP150
instructionSet[CALL].constantGas = params.CallGasEIP150
instructionSet[CALLCODE].constantGas = params.CallGasEIP150
instructionSet[DELEGATECALL].constantGas = params.CallGasEIP150
return instructionSet
}
// newHomesteadInstructionSet returns the frontier and homestead
// instructions that can be executed during the homestead phase.
func newHomesteadInstructionSet() JumpTable {
instructionSet := newFrontierInstructionSet()
instructionSet[DELEGATECALL] = operation{
execute: opDelegateCall,
dynamicGas: gasDelegateCall,
constantGas: params.CallGasFrontier,
minStack: minStack(6, 1),
maxStack: maxStack(6, 1),
memorySize: memoryDelegateCall,
valid: true,
returns: true,
}
return instructionSet
}
// newFrontierInstructionSet returns the frontier instructions
// that can be executed during the frontier phase.
func newFrontierInstructionSet() JumpTable {
return JumpTable{
STOP: {
execute: opStop,
constantGas: 0,
minStack: minStack(0, 0),
maxStack: maxStack(0, 0),
halts: true,
valid: true,
},
ADD: {
execute: opAdd,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
MUL: {
execute: opMul,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
SUB: {
execute: opSub,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
DIV: {
execute: opDiv,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
SDIV: {
execute: opSdiv,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
MOD: {
execute: opMod,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
SMOD: {
execute: opSmod,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
ADDMOD: {
execute: opAddmod,
constantGas: GasMidStep,
minStack: minStack(3, 1),
maxStack: maxStack(3, 1),
valid: true,
},
MULMOD: {
execute: opMulmod,
constantGas: GasMidStep,
minStack: minStack(3, 1),
maxStack: maxStack(3, 1),
valid: true,
},
EXP: {
execute: opExp,
dynamicGas: gasExpFrontier,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
SIGNEXTEND: {
execute: opSignExtend,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
LT: {
execute: opLt,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
GT: {
execute: opGt,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
SLT: {
execute: opSlt,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
SGT: {
execute: opSgt,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
EQ: {
execute: opEq,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
ISZERO: {
execute: opIszero,
constantGas: GasFastestStep,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
},
AND: {
execute: opAnd,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
XOR: {
execute: opXor,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
OR: {
execute: opOr,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
NOT: {
execute: opNot,
constantGas: GasFastestStep,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
},
BYTE: {
execute: opByte,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
valid: true,
},
SHA3: {
execute: opSha3,
constantGas: params.Sha3Gas,
dynamicGas: gasSha3,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
memorySize: memorySha3,
valid: true,
},
ADDRESS: {
execute: opAddress,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
BALANCE: {
execute: opBalance,
constantGas: params.BalanceGasFrontier,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
},
ORIGIN: {
execute: opOrigin,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
CALLER: {
execute: opCaller,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
CALLVALUE: {
execute: opCallValue,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
CALLDATALOAD: {
execute: opCallDataLoad,
constantGas: GasFastestStep,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
},
CALLDATASIZE: {
execute: opCallDataSize,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
CALLDATACOPY: {
execute: opCallDataCopy,
constantGas: GasFastestStep,
dynamicGas: gasCallDataCopy,
minStack: minStack(3, 0),
maxStack: maxStack(3, 0),
memorySize: memoryCallDataCopy,
valid: true,
},
CODESIZE: {
execute: opCodeSize,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
CODECOPY: {
execute: opCodeCopy,
constantGas: GasFastestStep,
dynamicGas: gasCodeCopy,
minStack: minStack(3, 0),
maxStack: maxStack(3, 0),
memorySize: memoryCodeCopy,
valid: true,
},
GASPRICE: {
execute: opGasprice,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
EXTCODESIZE: {
execute: opExtCodeSize,
constantGas: params.ExtcodeSizeGasFrontier,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
},
EXTCODECOPY: {
execute: opExtCodeCopy,
constantGas: params.ExtcodeCopyBaseFrontier,
dynamicGas: gasExtCodeCopy,
minStack: minStack(4, 0),
maxStack: maxStack(4, 0),
memorySize: memoryExtCodeCopy,
valid: true,
},
BLOCKHASH: {
execute: opBlockhash,
constantGas: GasExtStep,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
},
COINBASE: {
execute: opCoinbase,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
TIMESTAMP: {
execute: opTimestamp,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
NUMBER: {
execute: opNumber,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
DIFFICULTY: {
execute: opDifficulty,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
GASLIMIT: {
execute: opGasLimit,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
POP: {
execute: opPop,
constantGas: GasQuickStep,
minStack: minStack(1, 0),
maxStack: maxStack(1, 0),
valid: true,
},
MLOAD: {
execute: opMload,
constantGas: GasFastestStep,
dynamicGas: gasMLoad,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
memorySize: memoryMLoad,
valid: true,
},
MSTORE: {
execute: opMstore,
constantGas: GasFastestStep,
dynamicGas: gasMStore,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
memorySize: memoryMStore,
valid: true,
},
MSTORE8: {
execute: opMstore8,
constantGas: GasFastestStep,
dynamicGas: gasMStore8,
memorySize: memoryMStore8,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
valid: true,
},
SLOAD: {
execute: opSload,
constantGas: params.SloadGasFrontier,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
},
SSTORE: {
execute: opSstore,
dynamicGas: gasSStore,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
valid: true,
writes: true,
},
JUMP: {
execute: opJump,
constantGas: GasMidStep,
minStack: minStack(1, 0),
maxStack: maxStack(1, 0),
jumps: true,
valid: true,
},
JUMPI: {
execute: opJumpi,
constantGas: GasSlowStep,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
jumps: true,
valid: true,
},
PC: {
execute: opPc,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
MSIZE: {
execute: opMsize,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
GAS: {
execute: opGas,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
JUMPDEST: {
execute: opJumpdest,
constantGas: params.JumpdestGas,
minStack: minStack(0, 0),
maxStack: maxStack(0, 0),
valid: true,
},
PUSH1: {
execute: opPush1,
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH2: {
execute: makePush(2, 2),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH3: {
execute: makePush(3, 3),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH4: {
execute: makePush(4, 4),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH5: {
execute: makePush(5, 5),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH6: {
execute: makePush(6, 6),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH7: {
execute: makePush(7, 7),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH8: {
execute: makePush(8, 8),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH9: {
execute: makePush(9, 9),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH10: {
execute: makePush(10, 10),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH11: {
execute: makePush(11, 11),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH12: {
execute: makePush(12, 12),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH13: {
execute: makePush(13, 13),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH14: {
execute: makePush(14, 14),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH15: {
execute: makePush(15, 15),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH16: {
execute: makePush(16, 16),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH17: {
execute: makePush(17, 17),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH18: {
execute: makePush(18, 18),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH19: {
execute: makePush(19, 19),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH20: {
execute: makePush(20, 20),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH21: {
execute: makePush(21, 21),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH22: {
execute: makePush(22, 22),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH23: {
execute: makePush(23, 23),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH24: {
execute: makePush(24, 24),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH25: {
execute: makePush(25, 25),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH26: {
execute: makePush(26, 26),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH27: {
execute: makePush(27, 27),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH28: {
execute: makePush(28, 28),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH29: {
execute: makePush(29, 29),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH30: {
execute: makePush(30, 30),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH31: {
execute: makePush(31, 31),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
PUSH32: {
execute: makePush(32, 32),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
valid: true,
},
DUP1: {
execute: makeDup(1),
constantGas: GasFastestStep,
minStack: minDupStack(1),
maxStack: maxDupStack(1),
valid: true,
},
DUP2: {
execute: makeDup(2),
constantGas: GasFastestStep,
minStack: minDupStack(2),
maxStack: maxDupStack(2),
valid: true,
},
DUP3: {
execute: makeDup(3),
constantGas: GasFastestStep,
minStack: minDupStack(3),
maxStack: maxDupStack(3),
valid: true,
},
DUP4: {
execute: makeDup(4),
constantGas: GasFastestStep,
minStack: minDupStack(4),
maxStack: maxDupStack(4),
valid: true,
},
DUP5: {
execute: makeDup(5),
constantGas: GasFastestStep,
minStack: minDupStack(5),
maxStack: maxDupStack(5),
valid: true,
},
DUP6: {
execute: makeDup(6),
constantGas: GasFastestStep,
minStack: minDupStack(6),
maxStack: maxDupStack(6),
valid: true,
},
DUP7: {
execute: makeDup(7),
constantGas: GasFastestStep,
minStack: minDupStack(7),
maxStack: maxDupStack(7),
valid: true,
},
DUP8: {
execute: makeDup(8),
constantGas: GasFastestStep,
minStack: minDupStack(8),
maxStack: maxDupStack(8),
valid: true,
},
DUP9: {
execute: makeDup(9),
constantGas: GasFastestStep,
minStack: minDupStack(9),
maxStack: maxDupStack(9),
valid: true,
},
DUP10: {
execute: makeDup(10),
constantGas: GasFastestStep,
minStack: minDupStack(10),
maxStack: maxDupStack(10),
valid: true,
},
DUP11: {
execute: makeDup(11),
constantGas: GasFastestStep,
minStack: minDupStack(11),
maxStack: maxDupStack(11),
valid: true,
},
DUP12: {
execute: makeDup(12),
constantGas: GasFastestStep,
minStack: minDupStack(12),
maxStack: maxDupStack(12),
valid: true,
},
DUP13: {
execute: makeDup(13),
constantGas: GasFastestStep,
minStack: minDupStack(13),
maxStack: maxDupStack(13),
valid: true,
},
DUP14: {
execute: makeDup(14),
constantGas: GasFastestStep,
minStack: minDupStack(14),
maxStack: maxDupStack(14),
valid: true,
},
DUP15: {
execute: makeDup(15),
constantGas: GasFastestStep,
minStack: minDupStack(15),
maxStack: maxDupStack(15),
valid: true,
},
DUP16: {
execute: makeDup(16),
constantGas: GasFastestStep,
minStack: minDupStack(16),
maxStack: maxDupStack(16),
valid: true,
},
SWAP1: {
execute: makeSwap(1),
constantGas: GasFastestStep,
minStack: minSwapStack(2),
maxStack: maxSwapStack(2),
valid: true,
},
SWAP2: {
execute: makeSwap(2),
constantGas: GasFastestStep,
minStack: minSwapStack(3),
maxStack: maxSwapStack(3),
valid: true,
},
SWAP3: {
execute: makeSwap(3),
constantGas: GasFastestStep,
minStack: minSwapStack(4),
maxStack: maxSwapStack(4),
valid: true,
},
SWAP4: {
execute: makeSwap(4),
constantGas: GasFastestStep,
minStack: minSwapStack(5),
maxStack: maxSwapStack(5),
valid: true,
},
SWAP5: {
execute: makeSwap(5),
constantGas: GasFastestStep,
minStack: minSwapStack(6),
maxStack: maxSwapStack(6),
valid: true,
},
SWAP6: {
execute: makeSwap(6),
constantGas: GasFastestStep,
minStack: minSwapStack(7),
maxStack: maxSwapStack(7),
valid: true,
},
SWAP7: {
execute: makeSwap(7),
constantGas: GasFastestStep,
minStack: minSwapStack(8),
maxStack: maxSwapStack(8),
valid: true,
},