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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 (
"fmt"
"github.com/ledgerwatch/erigon/core/vm/stack"
"github.com/ledgerwatch/erigon/params"
)
type (
executionFunc func(pc *uint64, interpreter *EVMInterpreter, callContext *ScopeContext) ([]byte, error)
gasFunc func(VMInterpreter, *Contract, *stack.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.Stack) (size uint64, overflow bool)
)
type operation struct {
// execute is the operation function
execute executionFunc
constantGas uint64
dynamicGas gasFunc
// maxStack specifies the max length the stack can have for this operation
// to not overflow the stack.
maxStack int
// numPop tells how many stack items are required
numPop int // δ in the Yellow Paper
numPush int // α in the Yellow Paper
isPush bool
isSwap bool
isDup bool
opNum int // only for push, swap, dup
// memorySize returns the memory size required for the operation
memorySize memorySizeFunc
}
var (
frontierInstructionSet = newFrontierInstructionSet()
homesteadInstructionSet = newHomesteadInstructionSet()
tangerineWhistleInstructionSet = newTangerineWhistleInstructionSet()
spuriousDragonInstructionSet = newSpuriousDragonInstructionSet()
byzantiumInstructionSet = newByzantiumInstructionSet()
constantinopleInstructionSet = newConstantinopleInstructionSet()
istanbulInstructionSet = newIstanbulInstructionSet()
berlinInstructionSet = newBerlinInstructionSet()
londonInstructionSet = newLondonInstructionSet()
shanghaiInstructionSet = newShanghaiInstructionSet()
cancunInstructionSet = newCancunInstructionSet()
pragueInstructionSet = newPragueInstructionSet()
)
// JumpTable contains the EVM opcodes supported at a given fork.
type JumpTable [256]*operation
func validateAndFillMaxStack(jt *JumpTable) {
for i, op := range jt {
if op == nil {
panic(fmt.Sprintf("op 0x%x is not set", i))
}
// The interpreter has an assumption that if the memorySize function is
// set, then the dynamicGas function is also set. This is a somewhat
// arbitrary assumption, and can be removed if we need to -- but it
// allows us to avoid a condition check. As long as we have that assumption
// in there, this little sanity check prevents us from merging in a
// change which violates it.
if op.memorySize != nil && op.dynamicGas == nil {
panic(fmt.Sprintf("op %v has dynamic memory but not dynamic gas", OpCode(i).String()))
}
op.maxStack = maxStack(op.numPop, op.numPush)
}
}
// newPragueInstructionSet returns the frontier, homestead, byzantium,
// constantinople, istanbul, petersburg, berlin, london, paris, shanghai,
// cancun, and prague instructions.
func newPragueInstructionSet() JumpTable {
instructionSet := newCancunInstructionSet()
validateAndFillMaxStack(&instructionSet)
return instructionSet
}
// newCancunInstructionSet returns the frontier, homestead, byzantium,
// constantinople, istanbul, petersburg, berlin, london, paris, shanghai,
// and cancun instructions.
func newCancunInstructionSet() JumpTable {
instructionSet := newShanghaiInstructionSet()
enable1153(&instructionSet) // Transient storage opcodes
enable4844(&instructionSet) // BLOBHASH opcode
enable5656(&instructionSet) // MCOPY opcode
enable6780(&instructionSet) // SELFDESTRUCT only in same transaction
validateAndFillMaxStack(&instructionSet)
return instructionSet
}
// newShanghaiInstructionSet returns the frontier, homestead, byzantium,
// constantinople, istanbul, petersburg, berlin, london, paris, and shanghai instructions.
func newShanghaiInstructionSet() JumpTable {
instructionSet := newLondonInstructionSet()
enable3855(&instructionSet) // PUSH0 instruction https://eips.ethereum.org/EIPS/eip-3855
enable3860(&instructionSet) // Limit and meter initcode https://eips.ethereum.org/EIPS/eip-3860
validateAndFillMaxStack(&instructionSet)
return instructionSet
}
// newLondonInstructionSet returns the frontier, homestead, byzantium,
// constantinople, istanbul, petersburg, berlin, and london instructions.
func newLondonInstructionSet() JumpTable {
instructionSet := newBerlinInstructionSet()
enable3529(&instructionSet) // Reduction in refunds https://eips.ethereum.org/EIPS/eip-3529
enable3198(&instructionSet) // Base fee opcode https://eips.ethereum.org/EIPS/eip-3198
validateAndFillMaxStack(&instructionSet)
return instructionSet
}
// newBerlinInstructionSet returns the frontier, homestead, byzantium,
// constantinople, istanbul, petersburg and berlin instructions.
func newBerlinInstructionSet() JumpTable {
instructionSet := newIstanbulInstructionSet()
enable2929(&instructionSet) // Access lists for trie accesses https://eips.ethereum.org/EIPS/eip-2929
validateAndFillMaxStack(&instructionSet)
return instructionSet
}
// newIstanbulInstructionSet returns the frontier, homestead, byzantium,
// constantinople, istanbul 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
validateAndFillMaxStack(&instructionSet)
return instructionSet
}
// newConstantinopleInstructionSet returns the frontier, homestead,
// byzantium and constantinople instructions.
func newConstantinopleInstructionSet() JumpTable {
instructionSet := newByzantiumInstructionSet()
instructionSet[SHL] = &operation{
execute: opSHL,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
}
instructionSet[SHR] = &operation{
execute: opSHR,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
}
instructionSet[SAR] = &operation{
execute: opSAR,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
}
instructionSet[EXTCODEHASH] = &operation{
execute: opExtCodeHash,
constantGas: params.ExtcodeHashGasConstantinople,
numPop: 1,
numPush: 1,
}
instructionSet[CREATE2] = &operation{
execute: opCreate2,
constantGas: params.Create2Gas,
dynamicGas: gasCreate2,
numPop: 4,
numPush: 1,
memorySize: memoryCreate2,
}
validateAndFillMaxStack(&instructionSet)
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,
numPop: 6,
numPush: 1,
memorySize: memoryStaticCall,
}
instructionSet[RETURNDATASIZE] = &operation{
execute: opReturnDataSize,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
}
instructionSet[RETURNDATACOPY] = &operation{
execute: opReturnDataCopy,
constantGas: GasFastestStep,
dynamicGas: gasReturnDataCopy,
numPop: 3,
numPush: 0,
memorySize: memoryReturnDataCopy,
}
instructionSet[REVERT] = &operation{
execute: opRevert,
dynamicGas: gasRevert,
numPop: 2,
numPush: 0,
memorySize: memoryRevert,
}
validateAndFillMaxStack(&instructionSet)
return instructionSet
}
// EIP 158 a.k.a Spurious Dragon
func newSpuriousDragonInstructionSet() JumpTable {
instructionSet := newTangerineWhistleInstructionSet()
instructionSet[EXP].dynamicGas = gasExpEIP160
validateAndFillMaxStack(&instructionSet)
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
validateAndFillMaxStack(&instructionSet)
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,
numPop: 6,
numPush: 1,
memorySize: memoryDelegateCall,
}
validateAndFillMaxStack(&instructionSet)
return instructionSet
}
// newFrontierInstructionSet returns the frontier instructions
// that can be executed during the frontier phase.
func newFrontierInstructionSet() JumpTable {
tbl := JumpTable{
STOP: {
execute: opStop,
constantGas: 0,
numPop: 0,
numPush: 0,
},
ADD: {
execute: opAdd,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
MUL: {
execute: opMul,
constantGas: GasFastStep,
numPop: 2,
numPush: 1,
},
SUB: {
execute: opSub,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
DIV: {
execute: opDiv,
constantGas: GasFastStep,
numPop: 2,
numPush: 1,
},
SDIV: {
execute: opSdiv,
constantGas: GasFastStep,
numPop: 2,
numPush: 1,
},
MOD: {
execute: opMod,
constantGas: GasFastStep,
numPop: 2,
numPush: 1,
},
SMOD: {
execute: opSmod,
constantGas: GasFastStep,
numPop: 2,
numPush: 1,
},
ADDMOD: {
execute: opAddmod,
constantGas: GasMidStep,
numPop: 3,
numPush: 1,
},
MULMOD: {
execute: opMulmod,
constantGas: GasMidStep,
numPop: 3,
numPush: 1,
},
EXP: {
execute: opExp,
dynamicGas: gasExpFrontier,
numPop: 2,
numPush: 1,
},
SIGNEXTEND: {
execute: opSignExtend,
constantGas: GasFastStep,
numPop: 2,
numPush: 1,
},
LT: {
execute: opLt,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
GT: {
execute: opGt,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
SLT: {
execute: opSlt,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
SGT: {
execute: opSgt,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
EQ: {
execute: opEq,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
ISZERO: {
execute: opIszero,
constantGas: GasFastestStep,
numPop: 1,
numPush: 1,
},
AND: {
execute: opAnd,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
XOR: {
execute: opXor,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
OR: {
execute: opOr,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
NOT: {
execute: opNot,
constantGas: GasFastestStep,
numPop: 1,
numPush: 1,
},
BYTE: {
execute: opByte,
constantGas: GasFastestStep,
numPop: 2,
numPush: 1,
},
KECCAK256: {
execute: opKeccak256,
constantGas: params.Keccak256Gas,
dynamicGas: gasKeccak256,
numPop: 2,
numPush: 1,
memorySize: memoryKeccak256,
},
ADDRESS: {
execute: opAddress,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
BALANCE: {
execute: opBalance,
constantGas: params.BalanceGasFrontier,
numPop: 1,
numPush: 1,
},
ORIGIN: {
execute: opOrigin,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
CALLER: {
execute: opCaller,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
CALLVALUE: {
execute: opCallValue,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
CALLDATALOAD: {
execute: opCallDataLoad,
constantGas: GasFastestStep,
numPop: 1,
numPush: 1,
},
CALLDATASIZE: {
execute: opCallDataSize,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
CALLDATACOPY: {
execute: opCallDataCopy,
constantGas: GasFastestStep,
dynamicGas: gasCallDataCopy,
numPop: 3,
numPush: 0,
memorySize: memoryCallDataCopy,
},
CODESIZE: {
execute: opCodeSize,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
CODECOPY: {
execute: opCodeCopy,
constantGas: GasFastestStep,
dynamicGas: gasCodeCopy,
numPop: 3,
numPush: 0,
memorySize: memoryCodeCopy,
},
GASPRICE: {
execute: opGasprice,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
EXTCODESIZE: {
execute: opExtCodeSize,
constantGas: params.ExtcodeSizeGasFrontier,
numPop: 1,
numPush: 1,
},
EXTCODECOPY: {
execute: opExtCodeCopy,
constantGas: params.ExtcodeCopyBaseFrontier,
dynamicGas: gasExtCodeCopy,
numPop: 4,
numPush: 0,
memorySize: memoryExtCodeCopy,
},
BLOCKHASH: {
execute: opBlockhash,
constantGas: GasExtStep,
numPop: 1,
numPush: 1,
},
COINBASE: {
execute: opCoinbase,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
TIMESTAMP: {
execute: opTimestamp,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
NUMBER: {
execute: opNumber,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
DIFFICULTY: {
execute: opDifficulty,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
GASLIMIT: {
execute: opGasLimit,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
POP: {
execute: opPop,
constantGas: GasQuickStep,
numPop: 1,
numPush: 0,
},
MLOAD: {
execute: opMload,
constantGas: GasFastestStep,
dynamicGas: gasMLoad,
numPop: 1,
numPush: 1,
memorySize: memoryMLoad,
},
MSTORE: {
execute: opMstore,
constantGas: GasFastestStep,
dynamicGas: gasMStore,
numPop: 2,
numPush: 0,
memorySize: memoryMStore,
},
MSTORE8: {
execute: opMstore8,
constantGas: GasFastestStep,
dynamicGas: gasMStore8,
memorySize: memoryMStore8,
numPop: 2,
numPush: 0,
},
SLOAD: {
execute: opSload,
constantGas: params.SloadGasFrontier,
numPop: 1,
numPush: 1,
},
SSTORE: {
execute: opSstore,
dynamicGas: gasSStore,
numPop: 2,
numPush: 0,
},
JUMP: {
execute: opJump,
constantGas: GasMidStep,
numPop: 1,
numPush: 0,
},
JUMPI: {
execute: opJumpi,
constantGas: GasSlowStep,
numPop: 2,
numPush: 0,
},
PC: {
execute: opPc,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
MSIZE: {
execute: opMsize,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
GAS: {
execute: opGas,
constantGas: GasQuickStep,
numPop: 0,
numPush: 1,
},
JUMPDEST: {
execute: opJumpdest,
constantGas: params.JumpdestGas,
numPop: 0,
numPush: 0,
},
PUSH1: {
execute: opPush1,
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 1,
},
PUSH2: {
execute: makePush(2, 2),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 2,
},
PUSH3: {
execute: makePush(3, 3),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 3,
},
PUSH4: {
execute: makePush(4, 4),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 4,
},
PUSH5: {
execute: makePush(5, 5),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 5,
},
PUSH6: {
execute: makePush(6, 6),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 6,
},
PUSH7: {
execute: makePush(7, 7),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 7,
},
PUSH8: {
execute: makePush(8, 8),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 8,
},
PUSH9: {
execute: makePush(9, 9),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 9,
},
PUSH10: {
execute: makePush(10, 10),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 10,
},
PUSH11: {
execute: makePush(11, 11),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 11,
},
PUSH12: {
execute: makePush(12, 12),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 12,
},
PUSH13: {
execute: makePush(13, 13),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 13,
},
PUSH14: {
execute: makePush(14, 14),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 14,
},
PUSH15: {
execute: makePush(15, 15),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 15,
},
PUSH16: {
execute: makePush(16, 16),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 16,
},
PUSH17: {
execute: makePush(17, 17),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 17,
},
PUSH18: {
execute: makePush(18, 18),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 18,
},
PUSH19: {
execute: makePush(19, 19),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 19,
},
PUSH20: {
execute: makePush(20, 20),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 20,
},
PUSH21: {
execute: makePush(21, 21),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 21,
},
PUSH22: {
execute: makePush(22, 22),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 22,
},
PUSH23: {
execute: makePush(23, 23),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 23,
},
PUSH24: {
execute: makePush(24, 24),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 24,
},
PUSH25: {
execute: makePush(25, 25),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 25,
},
PUSH26: {
execute: makePush(26, 26),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 26,
},
PUSH27: {
execute: makePush(27, 27),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 27,
},
PUSH28: {
execute: makePush(28, 28),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 28,
},
PUSH29: {
execute: makePush(29, 29),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 29,
},
PUSH30: {
execute: makePush(30, 30),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 30,
},
PUSH31: {
execute: makePush(31, 31),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 31,
},
PUSH32: {
execute: makePush(32, 32),
constantGas: GasFastestStep,
numPop: 0,
numPush: 1,
isPush: true,
opNum: 32,
},
DUP1: {
execute: makeDup(1),
constantGas: GasFastestStep,
numPop: 1,
numPush: 2,
isDup: true,
opNum: 1,
},
DUP2: {
execute: makeDup(2),
constantGas: GasFastestStep,
numPop: 2,
numPush: 3,
isDup: true,
opNum: 2,
},
DUP3: {
execute: makeDup(3),
constantGas: GasFastestStep,
numPop: 3,
numPush: 4,
isDup: true,
opNum: 3,
},
DUP4: {
execute: makeDup(4),
constantGas: GasFastestStep,
numPop: 4,
numPush: 5,
isDup: true,
opNum: 4,
},
DUP5: {
execute: makeDup(5),
constantGas: GasFastestStep,
numPop: 5,
numPush: 6,
isDup: true,
opNum: 5,
},
DUP6: {
execute: makeDup(6),
constantGas: GasFastestStep,
numPop: 6,
numPush: 7,
isDup: true,
opNum: 6,
},
DUP7: {
execute: makeDup(7),
constantGas: GasFastestStep,
numPop: 7,
numPush: 8,
isDup: true,
opNum: 7,
},
DUP8: {
execute: makeDup(8),
constantGas: GasFastestStep,
numPop: 8,
numPush: 9,
isDup: true,
opNum: 8,
},
DUP9: {
execute: makeDup(9),
constantGas: GasFastestStep,
numPop: 9,
numPush: 10,
isDup: true,
opNum: 9,
},
DUP10: {
execute: makeDup(10),
constantGas: GasFastestStep,
numPop: 10,
numPush: 11,
isDup: true,
opNum: 10,
},
DUP11: {
execute: makeDup(11),
constantGas: GasFastestStep,
numPop: 11,
numPush: 12,
isDup: true,
opNum: 11,
},
DUP12: {
execute: makeDup(12),
constantGas: GasFastestStep,
numPop: 12,
numPush: 13,
isDup: true,
opNum: 12,
},
DUP13: {
execute: makeDup(13),
constantGas: GasFastestStep,
numPop: 13,
numPush: 14,
isDup: true,
opNum: 13,
},
DUP14: {
execute: makeDup(14),
constantGas: GasFastestStep,
numPop: 14,
numPush: 15,
isDup: true,
opNum: 14,
},
DUP15: {
execute: makeDup(15),
constantGas: GasFastestStep,
numPop: 15,
numPush: 16,
isDup: true,
opNum: 15,
},
DUP16: {
execute: makeDup(16),
constantGas: GasFastestStep,
numPop: 16,
numPush: 17,
isDup: true,
opNum: 16,
},