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99d31aeb28
bsc/core/vm/opcodes.go
Sina Mahmoodi e803ef09ad
eth/tracers/js: fix isPush for push0 (#28520) 
Fixes so that `push0` opcode is correctly reported as `true` by the `IsPush` function

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
2023-11-14 13:14:38 +01:00

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// Copyright 2014 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"
)
// OpCode is an EVM opcode
type OpCode byte
// IsPush specifies if an opcode is a PUSH opcode.
func (op OpCode) IsPush() bool {
return PUSH0 <= op && op <= PUSH32
}
// 0x0 range - arithmetic ops.
const (
STOP OpCode = 0x0
ADD OpCode = 0x1
MUL OpCode = 0x2
SUB OpCode = 0x3
DIV OpCode = 0x4
SDIV OpCode = 0x5
MOD OpCode = 0x6
SMOD OpCode = 0x7
ADDMOD OpCode = 0x8
MULMOD OpCode = 0x9
EXP OpCode = 0xa
SIGNEXTEND OpCode = 0xb
)
// 0x10 range - comparison ops.
const (
LT OpCode = 0x10
GT OpCode = 0x11
SLT OpCode = 0x12
SGT OpCode = 0x13
EQ OpCode = 0x14
ISZERO OpCode = 0x15
AND OpCode = 0x16
OR OpCode = 0x17
XOR OpCode = 0x18
NOT OpCode = 0x19
BYTE OpCode = 0x1a
SHL OpCode = 0x1b
SHR OpCode = 0x1c
SAR OpCode = 0x1d
)
// 0x20 range - crypto.
const (
KECCAK256 OpCode = 0x20
)
// 0x30 range - closure state.
const (
ADDRESS OpCode = 0x30
BALANCE OpCode = 0x31
ORIGIN OpCode = 0x32
CALLER OpCode = 0x33
CALLVALUE OpCode = 0x34
CALLDATALOAD OpCode = 0x35
CALLDATASIZE OpCode = 0x36
CALLDATACOPY OpCode = 0x37
CODESIZE OpCode = 0x38
CODECOPY OpCode = 0x39
GASPRICE OpCode = 0x3a
EXTCODESIZE OpCode = 0x3b
EXTCODECOPY OpCode = 0x3c
RETURNDATASIZE OpCode = 0x3d
RETURNDATACOPY OpCode = 0x3e
EXTCODEHASH OpCode = 0x3f
)
// 0x40 range - block operations.
const (
BLOCKHASH OpCode = 0x40
COINBASE OpCode = 0x41
TIMESTAMP OpCode = 0x42
NUMBER OpCode = 0x43
DIFFICULTY OpCode = 0x44
RANDOM OpCode = 0x44 // Same as DIFFICULTY
PREVRANDAO OpCode = 0x44 // Same as DIFFICULTY
GASLIMIT OpCode = 0x45
CHAINID OpCode = 0x46
SELFBALANCE OpCode = 0x47
BASEFEE OpCode = 0x48
BLOBHASH OpCode = 0x49
BLOBBASEFEE OpCode = 0x4a
)
// 0x50 range - 'storage' and execution.
const (
POP OpCode = 0x50
MLOAD OpCode = 0x51
MSTORE OpCode = 0x52
MSTORE8 OpCode = 0x53
SLOAD OpCode = 0x54
SSTORE OpCode = 0x55
JUMP OpCode = 0x56
JUMPI OpCode = 0x57
PC OpCode = 0x58
MSIZE OpCode = 0x59
GAS OpCode = 0x5a
JUMPDEST OpCode = 0x5b
TLOAD OpCode = 0x5c
TSTORE OpCode = 0x5d
MCOPY OpCode = 0x5e
PUSH0 OpCode = 0x5f
)
// 0x60 range - pushes.
const (
PUSH1 OpCode = 0x60 + iota
PUSH2
PUSH3
PUSH4
PUSH5
PUSH6
PUSH7
PUSH8
PUSH9
PUSH10
PUSH11
PUSH12
PUSH13
PUSH14
PUSH15
PUSH16
PUSH17
PUSH18
PUSH19
PUSH20
PUSH21
PUSH22
PUSH23
PUSH24
PUSH25
PUSH26
PUSH27
PUSH28
PUSH29
PUSH30
PUSH31
PUSH32
)
// 0x80 range - dups.
const (
DUP1 = 0x80 + iota
DUP2
DUP3
DUP4
DUP5
DUP6
DUP7
DUP8
DUP9
DUP10
DUP11
DUP12
DUP13
DUP14
DUP15
DUP16
)
// 0x90 range - swaps.
const (
SWAP1 = 0x90 + iota
SWAP2
SWAP3
SWAP4
SWAP5
SWAP6
SWAP7
SWAP8
SWAP9
SWAP10
SWAP11
SWAP12
SWAP13
SWAP14
SWAP15
SWAP16
)
// 0xa0 range - logging ops.
const (
LOG0 OpCode = 0xa0 + iota
LOG1
LOG2
LOG3
LOG4
)
// 0xf0 range - closures.
const (
CREATE OpCode = 0xf0
CALL OpCode = 0xf1
CALLCODE OpCode = 0xf2
RETURN OpCode = 0xf3
DELEGATECALL OpCode = 0xf4
CREATE2 OpCode = 0xf5
STATICCALL OpCode = 0xfa
REVERT OpCode = 0xfd
INVALID OpCode = 0xfe
SELFDESTRUCT OpCode = 0xff
)
var opCodeToString = [256]string{
// 0x0 range - arithmetic ops.
STOP: "STOP",
ADD: "ADD",
MUL: "MUL",
SUB: "SUB",
DIV: "DIV",
SDIV: "SDIV",
MOD: "MOD",
SMOD: "SMOD",
EXP: "EXP",
NOT: "NOT",
LT: "LT",
GT: "GT",
SLT: "SLT",
SGT: "SGT",
EQ: "EQ",
ISZERO: "ISZERO",
SIGNEXTEND: "SIGNEXTEND",
// 0x10 range - bit ops.
AND: "AND",
OR: "OR",
XOR: "XOR",
BYTE: "BYTE",
SHL: "SHL",
SHR: "SHR",
SAR: "SAR",
ADDMOD: "ADDMOD",
MULMOD: "MULMOD",
// 0x20 range - crypto.
KECCAK256: "KECCAK256",
// 0x30 range - closure state.
ADDRESS: "ADDRESS",
BALANCE: "BALANCE",
ORIGIN: "ORIGIN",
CALLER: "CALLER",
CALLVALUE: "CALLVALUE",
CALLDATALOAD: "CALLDATALOAD",
CALLDATASIZE: "CALLDATASIZE",
CALLDATACOPY: "CALLDATACOPY",
CODESIZE: "CODESIZE",
CODECOPY: "CODECOPY",
GASPRICE: "GASPRICE",
EXTCODESIZE: "EXTCODESIZE",
EXTCODECOPY: "EXTCODECOPY",
RETURNDATASIZE: "RETURNDATASIZE",
RETURNDATACOPY: "RETURNDATACOPY",
EXTCODEHASH: "EXTCODEHASH",
// 0x40 range - block operations.
BLOCKHASH: "BLOCKHASH",
COINBASE: "COINBASE",
TIMESTAMP: "TIMESTAMP",
NUMBER: "NUMBER",
DIFFICULTY: "DIFFICULTY", // TODO (MariusVanDerWijden) rename to PREVRANDAO post merge
GASLIMIT: "GASLIMIT",
CHAINID: "CHAINID",
SELFBALANCE: "SELFBALANCE",
BASEFEE: "BASEFEE",
BLOBHASH: "BLOBHASH",
BLOBBASEFEE: "BLOBBASEFEE",
// 0x50 range - 'storage' and execution.
POP: "POP",
MLOAD: "MLOAD",
MSTORE: "MSTORE",
MSTORE8: "MSTORE8",
SLOAD: "SLOAD",
SSTORE: "SSTORE",
JUMP: "JUMP",
JUMPI: "JUMPI",
PC: "PC",
MSIZE: "MSIZE",
GAS: "GAS",
JUMPDEST: "JUMPDEST",
TLOAD: "TLOAD",
TSTORE: "TSTORE",
MCOPY: "MCOPY",
PUSH0: "PUSH0",
// 0x60 range - pushes.
PUSH1: "PUSH1",
PUSH2: "PUSH2",
PUSH3: "PUSH3",
PUSH4: "PUSH4",
PUSH5: "PUSH5",
PUSH6: "PUSH6",
PUSH7: "PUSH7",
PUSH8: "PUSH8",
PUSH9: "PUSH9",
PUSH10: "PUSH10",
PUSH11: "PUSH11",
PUSH12: "PUSH12",
PUSH13: "PUSH13",
PUSH14: "PUSH14",
PUSH15: "PUSH15",
PUSH16: "PUSH16",
PUSH17: "PUSH17",
PUSH18: "PUSH18",
PUSH19: "PUSH19",
PUSH20: "PUSH20",
PUSH21: "PUSH21",
PUSH22: "PUSH22",
PUSH23: "PUSH23",
PUSH24: "PUSH24",
PUSH25: "PUSH25",
PUSH26: "PUSH26",
PUSH27: "PUSH27",
PUSH28: "PUSH28",
PUSH29: "PUSH29",
PUSH30: "PUSH30",
PUSH31: "PUSH31",
PUSH32: "PUSH32",
// 0x80 - dups.
DUP1: "DUP1",
DUP2: "DUP2",
DUP3: "DUP3",
DUP4: "DUP4",
DUP5: "DUP5",
DUP6: "DUP6",
DUP7: "DUP7",
DUP8: "DUP8",
DUP9: "DUP9",
DUP10: "DUP10",
DUP11: "DUP11",
DUP12: "DUP12",
DUP13: "DUP13",
DUP14: "DUP14",
DUP15: "DUP15",
DUP16: "DUP16",
// 0x90 - swaps.
SWAP1: "SWAP1",
SWAP2: "SWAP2",
SWAP3: "SWAP3",
SWAP4: "SWAP4",
SWAP5: "SWAP5",
SWAP6: "SWAP6",
SWAP7: "SWAP7",
SWAP8: "SWAP8",
SWAP9: "SWAP9",
SWAP10: "SWAP10",
SWAP11: "SWAP11",
SWAP12: "SWAP12",
SWAP13: "SWAP13",
SWAP14: "SWAP14",
SWAP15: "SWAP15",
SWAP16: "SWAP16",
// 0xa0 range - logging ops.
LOG0: "LOG0",
LOG1: "LOG1",
LOG2: "LOG2",
LOG3: "LOG3",
LOG4: "LOG4",
// 0xf0 range - closures.
CREATE: "CREATE",
CALL: "CALL",
RETURN: "RETURN",
CALLCODE: "CALLCODE",
DELEGATECALL: "DELEGATECALL",
CREATE2: "CREATE2",
STATICCALL: "STATICCALL",
REVERT: "REVERT",
INVALID: "INVALID",
SELFDESTRUCT: "SELFDESTRUCT",
}
func (op OpCode) String() string {
if s := opCodeToString[op]; s != "" {
return s
}
return fmt.Sprintf("opcode %#x not defined", int(op))
}
var stringToOp = map[string]OpCode{
"STOP": STOP,
"ADD": ADD,
"MUL": MUL,
"SUB": SUB,
"DIV": DIV,
"SDIV": SDIV,
"MOD": MOD,
"SMOD": SMOD,
"EXP": EXP,
"NOT": NOT,
"LT": LT,
"GT": GT,
"SLT": SLT,
"SGT": SGT,
"EQ": EQ,
"ISZERO": ISZERO,
"SIGNEXTEND": SIGNEXTEND,
"AND": AND,
"OR": OR,
"XOR": XOR,
"BYTE": BYTE,
"SHL": SHL,
"SHR": SHR,
"SAR": SAR,
"ADDMOD": ADDMOD,
"MULMOD": MULMOD,
"KECCAK256": KECCAK256,
"ADDRESS": ADDRESS,
"BALANCE": BALANCE,
"ORIGIN": ORIGIN,
"CALLER": CALLER,
"CALLVALUE": CALLVALUE,
"CALLDATALOAD": CALLDATALOAD,
"CALLDATASIZE": CALLDATASIZE,
"CALLDATACOPY": CALLDATACOPY,
"CHAINID": CHAINID,
"BASEFEE": BASEFEE,
"BLOBHASH": BLOBHASH,
"BLOBBASEFEE": BLOBBASEFEE,
"DELEGATECALL": DELEGATECALL,
"STATICCALL": STATICCALL,
"CODESIZE": CODESIZE,
"CODECOPY": CODECOPY,
"GASPRICE": GASPRICE,
"EXTCODESIZE": EXTCODESIZE,
"EXTCODECOPY": EXTCODECOPY,
"RETURNDATASIZE": RETURNDATASIZE,
"RETURNDATACOPY": RETURNDATACOPY,
"EXTCODEHASH": EXTCODEHASH,
"BLOCKHASH": BLOCKHASH,
"COINBASE": COINBASE,
"TIMESTAMP": TIMESTAMP,
"NUMBER": NUMBER,
"DIFFICULTY": DIFFICULTY,
"GASLIMIT": GASLIMIT,
"SELFBALANCE": SELFBALANCE,
"POP": POP,
"MLOAD": MLOAD,
"MSTORE": MSTORE,
"MSTORE8": MSTORE8,
"SLOAD": SLOAD,
"SSTORE": SSTORE,
"JUMP": JUMP,
"JUMPI": JUMPI,
"PC": PC,
"MSIZE": MSIZE,
"GAS": GAS,
"JUMPDEST": JUMPDEST,
"TLOAD": TLOAD,
"TSTORE": TSTORE,
"MCOPY": MCOPY,
"PUSH0": PUSH0,
"PUSH1": PUSH1,
"PUSH2": PUSH2,
"PUSH3": PUSH3,
"PUSH4": PUSH4,
"PUSH5": PUSH5,
"PUSH6": PUSH6,
"PUSH7": PUSH7,
"PUSH8": PUSH8,
"PUSH9": PUSH9,
"PUSH10": PUSH10,
"PUSH11": PUSH11,
"PUSH12": PUSH12,
"PUSH13": PUSH13,
"PUSH14": PUSH14,
"PUSH15": PUSH15,
"PUSH16": PUSH16,
"PUSH17": PUSH17,
"PUSH18": PUSH18,
"PUSH19": PUSH19,
"PUSH20": PUSH20,
"PUSH21": PUSH21,
"PUSH22": PUSH22,
"PUSH23": PUSH23,
"PUSH24": PUSH24,
"PUSH25": PUSH25,
"PUSH26": PUSH26,
"PUSH27": PUSH27,
"PUSH28": PUSH28,
"PUSH29": PUSH29,
"PUSH30": PUSH30,
"PUSH31": PUSH31,
"PUSH32": PUSH32,
"DUP1": DUP1,
"DUP2": DUP2,
"DUP3": DUP3,
"DUP4": DUP4,
"DUP5": DUP5,
"DUP6": DUP6,
"DUP7": DUP7,
"DUP8": DUP8,
"DUP9": DUP9,
"DUP10": DUP10,
"DUP11": DUP11,
"DUP12": DUP12,
"DUP13": DUP13,
"DUP14": DUP14,
"DUP15": DUP15,
"DUP16": DUP16,
"SWAP1": SWAP1,
"SWAP2": SWAP2,
"SWAP3": SWAP3,
"SWAP4": SWAP4,
"SWAP5": SWAP5,
"SWAP6": SWAP6,
"SWAP7": SWAP7,
"SWAP8": SWAP8,
"SWAP9": SWAP9,
"SWAP10": SWAP10,
"SWAP11": SWAP11,
"SWAP12": SWAP12,
"SWAP13": SWAP13,
"SWAP14": SWAP14,
"SWAP15": SWAP15,
"SWAP16": SWAP16,
"LOG0": LOG0,
"LOG1": LOG1,
"LOG2": LOG2,
"LOG3": LOG3,
"LOG4": LOG4,
"CREATE": CREATE,
"CREATE2": CREATE2,
"CALL": CALL,
"RETURN": RETURN,
"CALLCODE": CALLCODE,
"REVERT": REVERT,
"INVALID": INVALID,
"SELFDESTRUCT": SELFDESTRUCT,
}
// StringToOp finds the opcode whose name is stored in `str`.
func StringToOp(str string) OpCode {
return stringToOp[str]
}
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