EVM Instruction Encoding (Opcodes)

Introduction

Machine readable representations of EVM instructions, and a mapping to their implementations.

Package Contents

Classes

Ops

Enum for EVM Opcodes

Attributes

op_implementation

Package Details

Ops

Enum for EVM Opcodes

class Ops

Bases: enum.Enum

ADD = 1
MUL = 2
SUB = 3
DIV = 4
SDIV = 5
MOD = 6
SMOD = 7
ADDMOD = 8
MULMOD = 9
EXP = 10
SIGNEXTEND = 11
LT = 16
GT = 17
SLT = 18
SGT = 19
EQ = 20
ISZERO = 21
AND = 22
OR = 23
XOR = 24
NOT = 25
BYTE = 26
KECCAK = 32
ADDRESS = 48
BALANCE = 49
ORIGIN = 50
CALLER = 51
CALLVALUE = 52
CALLDATALOAD = 53
CALLDATASIZE = 54
CALLDATACOPY = 55
CODESIZE = 56
CODECOPY = 57
GASPRICE = 58
EXTCODESIZE = 59
EXTCODECOPY = 60
BLOCKHASH = 64
COINBASE = 65
TIMESTAMP = 66
NUMBER = 67
DIFFICULTY = 68
GASLIMIT = 69
STOP = 0
JUMP = 86
JUMPI = 87
PC = 88
GAS = 90
JUMPDEST = 91
SLOAD = 84
SSTORE = 85
POP = 80
PUSH1 = 96
PUSH2 = 97
PUSH3 = 98
PUSH4 = 99
PUSH5 = 100
PUSH6 = 101
PUSH7 = 102
PUSH8 = 103
PUSH9 = 104
PUSH10 = 105
PUSH11 = 106
PUSH12 = 107
PUSH13 = 108
PUSH14 = 109
PUSH15 = 110
PUSH16 = 111
PUSH17 = 112
PUSH18 = 113
PUSH19 = 114
PUSH20 = 115
PUSH21 = 116
PUSH22 = 117
PUSH23 = 118
PUSH24 = 119
PUSH25 = 120
PUSH26 = 121
PUSH27 = 122
PUSH28 = 123
PUSH29 = 124
PUSH30 = 125
PUSH31 = 126
PUSH32 = 127
DUP1 = 128
DUP2 = 129
DUP3 = 130
DUP4 = 131
DUP5 = 132
DUP6 = 133
DUP7 = 134
DUP8 = 135
DUP9 = 136
DUP10 = 137
DUP11 = 138
DUP12 = 139
DUP13 = 140
DUP14 = 141
DUP15 = 142
DUP16 = 143
SWAP1 = 144
SWAP2 = 145
SWAP3 = 146
SWAP4 = 147
SWAP5 = 148
SWAP6 = 149
SWAP7 = 150
SWAP8 = 151
SWAP9 = 152
SWAP10 = 153
SWAP11 = 154
SWAP12 = 155
SWAP13 = 156
SWAP14 = 157
SWAP15 = 158
SWAP16 = 159
MLOAD = 81
MSTORE = 82
MSTORE8 = 83
MSIZE = 89
LOG0 = 160
LOG1 = 161
LOG2 = 162
LOG3 = 163
LOG4 = 164
CREATE = 240
RETURN = 243
CALL = 241
CALLCODE = 242
DELEGATECALL = 244
SELFDESTRUCT = 255

op_implementation

op_implementation
op_implementation: Dict[Ops, Callable] = {
    Ops.STOP: control_flow_instructions.stop,
    Ops.ADD: arithmetic_instructions.add,
    Ops.MUL: arithmetic_instructions.mul,
    Ops.SUB: arithmetic_instructions.sub,
    Ops.DIV: arithmetic_instructions.div,
    Ops.SDIV: arithmetic_instructions.sdiv,
    Ops.MOD: arithmetic_instructions.mod,
    Ops.SMOD: arithmetic_instructions.smod,
    Ops.ADDMOD: arithmetic_instructions.addmod,
    Ops.MULMOD: arithmetic_instructions.mulmod,
    Ops.EXP: arithmetic_instructions.exp,
    Ops.SIGNEXTEND: arithmetic_instructions.signextend,
    Ops.LT: comparison_instructions.less_than,
    Ops.GT: comparison_instructions.greater_than,
    Ops.SLT: comparison_instructions.signed_less_than,
    Ops.SGT: comparison_instructions.signed_greater_than,
    Ops.EQ: comparison_instructions.equal,
    Ops.ISZERO: comparison_instructions.is_zero,
    Ops.AND: bitwise_instructions.bitwise_and,
    Ops.OR: bitwise_instructions.bitwise_or,
    Ops.XOR: bitwise_instructions.bitwise_xor,
    Ops.NOT: bitwise_instructions.bitwise_not,
    Ops.BYTE: bitwise_instructions.get_byte,
    Ops.KECCAK: keccak_instructions.keccak,
    Ops.SLOAD: storage_instructions.sload,
    Ops.BLOCKHASH: block_instructions.block_hash,
    Ops.COINBASE: block_instructions.coinbase,
    Ops.TIMESTAMP: block_instructions.timestamp,
    Ops.NUMBER: block_instructions.number,
    Ops.DIFFICULTY: block_instructions.difficulty,
    Ops.GASLIMIT: block_instructions.gas_limit,
    Ops.MLOAD: memory_instructions.mload,
    Ops.MSTORE: memory_instructions.mstore,
    Ops.MSTORE8: memory_instructions.mstore8,
    Ops.MSIZE: memory_instructions.msize,
    Ops.ADDRESS: environment_instructions.address,
    Ops.BALANCE: environment_instructions.balance,
    Ops.ORIGIN: environment_instructions.origin,
    Ops.CALLER: environment_instructions.caller,
    Ops.CALLVALUE: environment_instructions.callvalue,
    Ops.CALLDATALOAD: environment_instructions.calldataload,
    Ops.CALLDATASIZE: environment_instructions.calldatasize,
    Ops.CALLDATACOPY: environment_instructions.calldatacopy,
    Ops.CODESIZE: environment_instructions.codesize,
    Ops.CODECOPY: environment_instructions.codecopy,
    Ops.GASPRICE: environment_instructions.gasprice,
    Ops.EXTCODESIZE: environment_instructions.extcodesize,
    Ops.EXTCODECOPY: environment_instructions.extcodecopy,
    Ops.SSTORE: storage_instructions.sstore,
    Ops.JUMP: control_flow_instructions.jump,
    Ops.JUMPI: control_flow_instructions.jumpi,
    Ops.PC: control_flow_instructions.pc,
    Ops.GAS: control_flow_instructions.gas_left,
    Ops.JUMPDEST: control_flow_instructions.jumpdest,
    Ops.POP: stack_instructions.pop,
    Ops.PUSH1: stack_instructions.push1,
    Ops.PUSH2: stack_instructions.push2,
    Ops.PUSH3: stack_instructions.push3,
    Ops.PUSH4: stack_instructions.push4,
    Ops.PUSH5: stack_instructions.push5,
    Ops.PUSH6: stack_instructions.push6,
    Ops.PUSH7: stack_instructions.push7,
    Ops.PUSH8: stack_instructions.push8,
    Ops.PUSH9: stack_instructions.push9,
    Ops.PUSH10: stack_instructions.push10,
    Ops.PUSH11: stack_instructions.push11,
    Ops.PUSH12: stack_instructions.push12,
    Ops.PUSH13: stack_instructions.push13,
    Ops.PUSH14: stack_instructions.push14,
    Ops.PUSH15: stack_instructions.push15,
    Ops.PUSH16: stack_instructions.push16,
    Ops.PUSH17: stack_instructions.push17,
    Ops.PUSH18: stack_instructions.push18,
    Ops.PUSH19: stack_instructions.push19,
    Ops.PUSH20: stack_instructions.push20,
    Ops.PUSH21: stack_instructions.push21,
    Ops.PUSH22: stack_instructions.push22,
    Ops.PUSH23: stack_instructions.push23,
    Ops.PUSH24: stack_instructions.push24,
    Ops.PUSH25: stack_instructions.push25,
    Ops.PUSH26: stack_instructions.push26,
    Ops.PUSH27: stack_instructions.push27,
    Ops.PUSH28: stack_instructions.push28,
    Ops.PUSH29: stack_instructions.push29,
    Ops.PUSH30: stack_instructions.push30,
    Ops.PUSH31: stack_instructions.push31,
    Ops.PUSH32: stack_instructions.push32,
    Ops.DUP1: stack_instructions.dup1,
    Ops.DUP2: stack_instructions.dup2,
    Ops.DUP3: stack_instructions.dup3,
    Ops.DUP4: stack_instructions.dup4,
    Ops.DUP5: stack_instructions.dup5,
    Ops.DUP6: stack_instructions.dup6,
    Ops.DUP7: stack_instructions.dup7,
    Ops.DUP8: stack_instructions.dup8,
    Ops.DUP9: stack_instructions.dup9,
    Ops.DUP10: stack_instructions.dup10,
    Ops.DUP11: stack_instructions.dup11,
    Ops.DUP12: stack_instructions.dup12,
    Ops.DUP13: stack_instructions.dup13,
    Ops.DUP14: stack_instructions.dup14,
    Ops.DUP15: stack_instructions.dup15,
    Ops.DUP16: stack_instructions.dup16,
    Ops.SWAP1: stack_instructions.swap1,
    Ops.SWAP2: stack_instructions.swap2,
    Ops.SWAP3: stack_instructions.swap3,
    Ops.SWAP4: stack_instructions.swap4,
    Ops.SWAP5: stack_instructions.swap5,
    Ops.SWAP6: stack_instructions.swap6,
    Ops.SWAP7: stack_instructions.swap7,
    Ops.SWAP8: stack_instructions.swap8,
    Ops.SWAP9: stack_instructions.swap9,
    Ops.SWAP10: stack_instructions.swap10,
    Ops.SWAP11: stack_instructions.swap11,
    Ops.SWAP12: stack_instructions.swap12,
    Ops.SWAP13: stack_instructions.swap13,
    Ops.SWAP14: stack_instructions.swap14,
    Ops.SWAP15: stack_instructions.swap15,
    Ops.SWAP16: stack_instructions.swap16,
    Ops.LOG0: log_instructions.log0,
    Ops.LOG1: log_instructions.log1,
    Ops.LOG2: log_instructions.log2,
    Ops.LOG3: log_instructions.log3,
    Ops.LOG4: log_instructions.log4,
    Ops.CREATE: system_instructions.create,
    Ops.RETURN: system_instructions.return_,
    Ops.CALL: system_instructions.call,
    Ops.CALLCODE: system_instructions.callcode,
    Ops.DELEGATECALL: system_instructions.delegatecall,
    Ops.SELFDESTRUCT: system_instructions.selfdestruct,
}