Enum Opcode

#[repr(u8)]
pub enum Opcode {
    STOP = 0,
    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,
    SHL = 27,
    SHR = 28,
    SAR = 29,
    SHA3 = 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,
    RETURNDATASIZE = 61,
    RETURNDATACOPY = 62,
    EXTCODEHASH = 63,
    BLOCKHASH = 64,
    COINBASE = 65,
    TIMESTAMP = 66,
    NUMBER = 67,
    DIFFICULTY = 68,
    GASLIMIT = 69,
    CHAINID = 70,
    SELFBALANCE = 71,
    BASEFEE = 72,
    POP = 80,
    MLOAD = 81,
    MSTORE = 82,
    MSTORE8 = 83,
    SLOAD = 84,
    SSTORE = 85,
    JUMP = 86,
    JUMPI = 87,
    PC = 88,
    MSIZE = 89,
    GAS = 90,
    JUMPDEST = 91,
    PUSH0 = 95,
    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,
    LOG0 = 160,
    LOG1 = 161,
    LOG2 = 162,
    LOG3 = 163,
    LOG4 = 164,
    CREATE = 240,
    CALL = 241,
    CALLCODE = 242,
    RETURN = 243,
    DELEGATECALL = 244,
    CREATE2 = 245,
    STATICCALL = 250,
    REVERT = 253,
    INVALID = 254,
    SELFDESTRUCT = 255,
}

An EVM Opcode.

Variants

STOP = 0

Opcode 0x0 - Halts execution

ADD = 1

Opcode 0x1 - Addition operation

MUL = 2

Opcode 0x2 - Multiplication operation

SUB = 3

Opcode 0x3 - Subtraction operation

DIV = 4

Opcode 0x4 - Integer division operation

SDIV = 5

Opcode 0x5 - Signed integer division operation (truncated)

MOD = 6

Opcode 0x6 - Modulo remainder operation

SMOD = 7

Opcode 0x7 - Signed modulo remainder operation

ADDMOD = 8

Opcode 0x8 - Modulo addition operation

MULMOD = 9

Opcode 0x9 - Modulo multiplication operation

EXP = 10

Opcode 0xA - Exponential operation

SIGNEXTEND = 11

Opcode 0xB - Extend length of two’s complement signed integer

LT = 16

Opcode 0x10 - Less-than comparison

GT = 17

Opcode 0x11 - Greater-than comparison

SLT = 18

Opcode 0x12 - Signed less-than comparison

SGT = 19

Opcode 0x13 - Signed greater-than comparison

EQ = 20

Opcode 0x14 - Equality comparison

ISZERO = 21

Opcode 0x15 - Simple not operator

AND = 22

Opcode 0x16 - Bitwise AND operation

OR = 23

Opcode 0x17 - Bitwise OR operation

XOR = 24

Opcode 0x18 - Bitwise XOR operation

NOT = 25

Opcode 0x19 - Bitwise NOT operation

BYTE = 26

Opcode 0x1A - Retrieve single byte from word

SHL = 27

Opcode 0x1B - Left shift operation

SHR = 28

Opcode 0x1C - Logical right shift operation

SAR = 29

Opcode 0x1D - Arithmetic (signed) right shift operation

SHA3 = 32

Opcode 0x20 - Compute Keccak-256 hash

ADDRESS = 48

Opcode 0x30 - Get address of currently executing account

BALANCE = 49

Opcode 0x31 - Get address of currently executing account

ORIGIN = 50

Opcode 0x32 - Get execution origination address

CALLER = 51

Opcode 0x33 - Get caller address

CALLVALUE = 52

Opcode 0x34 - Get deposited value by the instruction/transaction responsible for this execution

CALLDATALOAD = 53

Opcode 0x35 - Get input data of current environment

CALLDATASIZE = 54

Opcode 0x36 - Get size of input data in current environment

CALLDATACOPY = 55

Opcode 0x37 - Copy input data in current environment to memory

CODESIZE = 56

Opcode 0x38 - Get size of code running in current environment

CODECOPY = 57

Opcode 0x39 - Copy code running in current environment to memory

GASPRICE = 58

Opcode 0x3A - Get price of gas in current environment

EXTCODESIZE = 59

Opcode 0x3B - Get size of an account’s code

EXTCODECOPY = 60

Opcode 0x3C - Copy an account’s code to memory

RETURNDATASIZE = 61

Opcode 0x3D - Get size of output data from the previous call from the current environment

RETURNDATACOPY = 62

Opcode 0x3E - Copy output data from the previous call to memory

EXTCODEHASH = 63

Opcode 0x3F - Get hash of an account’s code

BLOCKHASH = 64

Opcode 0x40 - Get the hash of one of the 256 most recent complete blocks

COINBASE = 65

Opcode 0x41 - Get the block’s beneficiary address

TIMESTAMP = 66

Opcode 0x42 - Get the block’s timestamp

NUMBER = 67

Opcode 0x43 - Get the block’s number

DIFFICULTY = 68

Opcode 0x44 - Get the block’s difficulty

GASLIMIT = 69

Opcode 0x45 - Get the block’s gas limit

CHAINID = 70

Opcode 0x46 - Get the chain ID

SELFBALANCE = 71

Opcode 0x47 - Get balance of currently executing account

BASEFEE = 72

Opcode 0x48 - Get the base fee

POP = 80

Opcode 0x50 - Remove item from stack

MLOAD = 81

Opcode 0x51 - Load word from memory

MSTORE = 82

Opcode 0x52 - Save word to memory

MSTORE8 = 83

Opcode 0x53 - Save byte to memory

SLOAD = 84

Opcode 0x54 - Load word from storage

SSTORE = 85

Opcode 0x55 - Save word to storage

JUMP = 86

Opcode 0x56 - Alter the program counter

JUMPI = 87

Opcode 0x57 - Conditionally alter the program counter

PC = 88

Opcode 0x58 - Get the value of the program counter prior to the increment corresponding to this instruction

MSIZE = 89

Opcode 0x59 - Get the size of active memory in bytes

GAS = 90

Opcode 0x5A - Get the amount of available gas, including the corresponding reduction for the cost of this instruction

JUMPDEST = 91

Opcode 0x5B - Mark a valid destination for jumps

PUSH0 = 95

Opcode 0x5F - Place the constant value 0 on stack

PUSH1 = 96

Opcode 0x60 - Place 1 byte item on stack

PUSH2 = 97

Opcode 0x61 - Place 2 byte item on stack

PUSH3 = 98

Opcode 0x62 - Place 3 byte item on stack

PUSH4 = 99

Opcode 0x63 - Place 4 byte item on stack

PUSH5 = 100

Opcode 0x64 - Place 5 byte item on stack

PUSH6 = 101

Opcode 0x65 - Place 6 byte item on stack

PUSH7 = 102

Opcode 0x66 - Place 7 byte item on stack

PUSH8 = 103

Opcode 0x67 - Place 8 byte item on stack

PUSH9 = 104

Opcode 0x68 - Place 9 byte item on stack

PUSH10 = 105

Opcode 0x69 - Place 10 byte item on stack

PUSH11 = 106

Opcode 0x6A - Place 11 byte item on stack

PUSH12 = 107

Opcode 0x6B - Place 12 byte item on stack

PUSH13 = 108

Opcode 0x6C - Place 13 byte item on stack

PUSH14 = 109

Opcode 0x6D - Place 14 byte item on stack

PUSH15 = 110

Opcode 0x6E - Place 15 byte item on stack

PUSH16 = 111

Opcode 0x6F - Place 16 byte item on stack

PUSH17 = 112

Opcode 0x70 - Place 17 byte item on stack

PUSH18 = 113

Opcode 0x71 - Place 18 byte item on stack

PUSH19 = 114

Opcode 0x72 - Place 19 byte item on stack

PUSH20 = 115

Opcode 0x73 - Place 20 byte item on stack

PUSH21 = 116

Opcode 0x74 - Place 21 byte item on stack

PUSH22 = 117

Opcode 0x75 - Place 22 byte item on stack

PUSH23 = 118

Opcode 0x76 - Place 23 byte item on stack

PUSH24 = 119

Opcode 0x77 - Place 24 byte item on stack

PUSH25 = 120

Opcode 0x78 - Place 25 byte item on stack

PUSH26 = 121

Opcode 0x79 - Place 26 byte item on stack

PUSH27 = 122

Opcode 0x7A - Place 27 byte item on stack

PUSH28 = 123

Opcode 0x7B - Place 28 byte item on stack

PUSH29 = 124

Opcode 0x7C - Place 29 byte item on stack

PUSH30 = 125

Opcode 0x7D - Place 30 byte item on stack

PUSH31 = 126

Opcode 0x7E - Place 31 byte item on stack

PUSH32 = 127

Opcode 0x7F - Place 32 byte item on stack

DUP1 = 128

Opcode 0x80 - Duplicate 1st stack item

DUP2 = 129

Opcode 0x81 - Duplicate 2nd stack item

DUP3 = 130

Opcode 0x82 - Duplicate 3rd stack item

DUP4 = 131

Opcode 0x83 - Duplicate 4th stack item

DUP5 = 132

Opcode 0x84 - Duplicate 5th stack item

DUP6 = 133

Opcode 0x85 - Duplicate 6th stack item

DUP7 = 134

Opcode 0x86 - Duplicate 7th stack item

DUP8 = 135

Opcode 0x87 - Duplicate 8th stack item

DUP9 = 136

Opcode 0x88 - Duplicate 9th stack item

DUP10 = 137

Opcode 0x89 - Duplicate 10th stack item

DUP11 = 138

Opcode 0x8A - Duplicate 11th stack item

DUP12 = 139

Opcode 0x8B - Duplicate 12th stack item

DUP13 = 140

Opcode 0x8C - Duplicate 13th stack item

DUP14 = 141

Opcode 0x8D - Duplicate 14th stack item

DUP15 = 142

Opcode 0x8E - Duplicate 15th stack item

DUP16 = 143

Opcode 0x8F - Duplicate 16th stack item

SWAP1 = 144

Opcode 0x90 - Exchange 1st and 2nd stack items

SWAP2 = 145

Opcode 0x91 - Exchange 1st and 3rd stack items

SWAP3 = 146

Opcode 0x92 - Exchange 1st and 4th stack items

SWAP4 = 147

Opcode 0x93 - Exchange 1st and 5th stack items

SWAP5 = 148

Opcode 0x94 - Exchange 1st and 6th stack items

SWAP6 = 149

Opcode 0x95 - Exchange 1st and 7th stack items

SWAP7 = 150

Opcode 0x96 - Exchange 1st and 8th stack items

SWAP8 = 151

Opcode 0x97 - Exchange 1st and 9th stack items

SWAP9 = 152

Opcode 0x98 - Exchange 1st and 10th stack items

SWAP10 = 153

Opcode 0x99 - Exchange 1st and 11th stack items

SWAP11 = 154

Opcode 0x9A - Exchange 1st and 12th stack items

SWAP12 = 155

Opcode 0x9B - Exchange 1st and 13th stack items

SWAP13 = 156

Opcode 0x9C - Exchange 1st and 14th stack items

SWAP14 = 157

Opcode 0x9D - Exchange 1st and 15th stack items

SWAP15 = 158

Opcode 0x9E - Exchange 1st and 16th stack items

SWAP16 = 159

Opcode 0x9F - Exchange 1st and 17th stack items

LOG0 = 160

Opcode 0xA0 - Append log record with one topic

LOG1 = 161

Opcode 0xA1 - Append log record with two topics

LOG2 = 162

Opcode 0xA2 - Append log record with three topics

LOG3 = 163

Opcode 0xA3 - Append log record with four topics

LOG4 = 164

Opcode 0xA4 - Append log record with five topics

CREATE = 240

Opcode 0xF0 - Create a new account with associated code

CALL = 241

Opcode 0xF1 - Message-call into an account

CALLCODE = 242

Opcode 0xF2 - Message-call into this account with alternative account’s code

RETURN = 243

Opcode 0xF3 - Halt execution returning output data

DELEGATECALL = 244

Opcode 0xF4 - Message-call into this account with an alternative account’s code, but persisting the current values for sender and value

CREATE2 = 245

Opcode 0xF5 - Create a new account with associated code at a predictable address

STATICCALL = 250

Opcode 0xFA - Static message-call into an account

REVERT = 253

Opcode 0xFD - Halt execution reverting state changes but returning data and remaining gas

INVALID = 254

Opcode 0xFE - Designated invalid instruction

SELFDESTRUCT = 255

Opcode 0xFF - Halt execution and register account for later deletion

Trait Implementations

impl AsRef<str> for Opcode

fn as_ref(&self) -> &str

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for Opcode

fn clone(&self) -> Opcode

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Opcode

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for Opcode

fn default() -> Opcode

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Opcode

fn deserialize<__D>( __deserializer: __D, ) -> Result<Opcode, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Opcode

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl EnumCount for Opcode

const COUNT: usize = 144usize

impl FromStr for Opcode

type Err = ParseError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Opcode, <Opcode as FromStr>::Err>

Parses a string s to return a value of this type.

impl Hash for Opcode

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl IntoEnumIterator for Opcode

type Iterator = OpcodeIter

fn iter() -> OpcodeIter

impl Ord for Opcode

fn cmp(&self, other: &Opcode) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Opcode

fn eq(&self, other: &Opcode) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Opcode

fn partial_cmp(&self, other: &Opcode) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for Opcode

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl TryFrom<&str> for Opcode

type Error = ParseError

The type returned in the event of a conversion error.

fn try_from(s: &str) -> Result<Opcode, <Opcode as TryFrom<&str>>::Error>

Performs the conversion.

impl TryFrom<u8> for Opcode

type Error = TryFromPrimitiveError<Opcode>

The type returned in the event of a conversion error.

fn try_from(number: u8) -> Result<Opcode, TryFromPrimitiveError<Opcode>>

Performs the conversion.

impl TryFromPrimitive for Opcode

const NAME: &'static str = "Opcode"

type Primitive = u8

type Error = TryFromPrimitiveError<Opcode>

fn try_from_primitive( number: <Opcode as TryFromPrimitive>::Primitive, ) -> Result<Opcode, TryFromPrimitiveError<Opcode>>

impl VariantNames for Opcode

const VARIANTS: &'static [&'static str]

Names of the variants of this enum

impl Copy for Opcode

impl Eq for Opcode

impl StructuralPartialEq for Opcode