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supported_opcodes.md

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Kakarot supported EVM opcodes 🧪

This document describes the opcodes supported by Kakarot.

Arithmetic operations

Opcode Value Opcode Name Description Implemented
0x01 ADD Addition operation ✅
0x02 MUL Multiplication operation ✅
0x03 SUB Subtraction operation ✅
0x04 DIV Integer division operation ✅
0x05 SDIV Signed integer division operation (truncated) ✅
0x06 MOD Modulo remainder operation ✅
0x07 SMOD Signed modulo remainder operation ✅
0x08 ADDMOD Modulo addition operation ✅
0x09 MULMOD Modulo multiplication operation ✅
0x0a EXP Exponential operation ✅
0x0b SIGNEXTEND Extend length of two's complement signed integer ✅

Comparison & bitwise logic operations

Opcode Value Opcode Name Description Implemented
0x10 LT Less-than comparison ✅
0x11 GT Greater-than comparison ✅
0x12 SLT Signed less-than comparison ✅
0x13 SGT Signed greater-than comparison ✅
0x14 EQ Equality comparison ✅
0x15 ISZERO Simple not operator ✅
0x16 AND Bitwise AND operation ✅
0x17 OR Bitwise OR operation ✅
0x18 XOR Bitwise XOR operation ✅
0x19 NOT Bitwise NOT operation ✅
0x1a BYTE Retrieve single byte from word ✅
0x1b SHL Shift left ✅
0x1c SHR Logical shift right ✅
0x1d SAR Arithmetic shift right ✅

SHA3

Opcode Value Opcode Name Description Implemented
0x20 SHA3 Compute Keccak-256 hash ✅

Environmental Information

Opcode Value Opcode Name Description Implemented
0x30 ADDRESS Get address of currently executing account ✅
0x31 BALANCE Get balance of the given account ✅
0x32 ORIGIN Get execution origination address ✅
0x33 CALLER Get caller address ✅
0x34 CALLVALUE Get deposited value by the instruction/transaction responsible for this execution ✅
0x35 CALLDATALOAD Get input data of current environment ✅
0x36 CALLDATASIZE Get size of input data in current environment ✅
0x37 CALLDATACOPY Copy input data in current environment to memory ✅
0x38 CODESIZE Get size of code running in current environment ✅
0x39 CODECOPY Copy code running in current environment to memory ✅
0x3a GASPRICE Get price of gas in current environment ✅
0x3b EXTCODESIZE Get size of an account's code ✅
0x3c EXTCODECOPY Copy an account's code to memory ✅
0x3d RETURNDATASIZE Get size of output data from the previous call from the current environment ✅
0x3e RETURNDATACOPY Copy output data from the previous call to memory ✅
0x3f EXTCODEHASH Get the code hash of an account ✅

Block Information

Opcode Value Opcode Name Description Implemented
0x40 BLOCKHASH Get the hash of one of the 256 most recent complete blocks ✅
0x41 COINBASE Get the block's beneficiary address ✅
0x42 TIMESTAMP Get the block's timestamp ✅
0x43 NUMBER Get the block's number ✅
0x44 DIFFICULTY Get the block's difficulty ✅
0x45 GASLIMIT Get the block's gas limit ✅
0x46 CHAINID Get the chain ID ✅
0x47 SELFBALANCE Get the balance of the current contract ✅
0x48 BASEFEE Get the base fee of the current block ✅

Stack, Memory, Storage and Flow Operations

Opcode Value Opcode Name Description Implemented
0x50 POP Remove item from stack ✅
0x51 MLOAD Load word from memory ✅
0x52 MSTORE Save word to memory ✅
0x53 MSTORE8 Save byte to memory ✅
0x54 SLOAD Load word from storage ✅
0x55 SSTORE Save word to storage ✅
0x56 JUMP Alter the program counter ✅
0x57 JUMPI Conditionally alter the program counter ✅
0x58 PC Get the value of the program counter prior to the increment ✅
0x59 MSIZE Get the size of active memory in bytes ✅
0x5a GAS Get the amount of available gas, including the corresponding reduction the amount of available gas ✅
0x5b JUMPDEST Mark a valid destination for jumps ✅

Push Operations

Opcode Value Opcode Name Description Implemented
0x60 PUSH1 Place 1 byte item on stack ✅
0x61 PUSH2 Place 2-byte item on stack ✅
0x62 PUSH3 Place 3-byte item on stack ✅
0x63 PUSH4 Place 4-byte item on stack ✅
0x64 PUSH5 Place 5-byte item on stack ✅
0x65 PUSH6 Place 6-byte item on stack ✅
0x66 PUSH7 Place 7-byte item on stack ✅
0x67 PUSH8 Place 8-byte item on stack ✅
0x68 PUSH9 Place 9-byte item on stack ✅
0x69 PUSH10 Place 10-byte item on stack ✅
0x6a PUSH11 Place 11-byte item on stack ✅
0x6b PUSH12 Place 12-byte item on stack ✅
0x6c PUSH13 Place 13-byte item on stack ✅
0x6d PUSH14 Place 14-byte item on stack ✅
0x6e PUSH15 Place 15-byte item on stack ✅
0x6f PUSH16 Place 16-byte item on stack ✅
0x70 PUSH17 Place 17-byte item on stack ✅
0x71 PUSH18 Place 18-byte item on stack ✅
0x72 PUSH19 Place 19-byte item on stack ✅
0x73 PUSH20 Place 20-byte item on stack ✅
0x74 PUSH21 Place 21-byte item on stack ✅
0x75 PUSH22 Place 22-byte item on stack ✅
0x76 PUSH23 Place 23-byte item on stack ✅
0x77 PUSH24 Place 24-byte item on stack ✅
0x78 PUSH25 Place 25-byte item on stack ✅
0x79 PUSH26 Place 26-byte item on stack ✅
0x7a PUSH27 Place 27-byte item on stack ✅
0x7b PUSH28 Place 28-byte item on stack ✅
0x7c PUSH29 Place 29-byte item on stack ✅
0x7d PUSH30 Place 30-byte item on stack ✅
0x7e PUSH31 Place 31-byte item on stack ✅
0x7f PUSH32 Place 32-byte (full word) item on stack ✅

Duplication Operations

Opcode Value Opcode Name Description Implemented
0x80 DUP1 Duplicate 1st stack item ✅
0x81 DUP2 Duplicate 2nd stack item ✅
0x82 DUP3 Duplicate 3rd stack item ✅
0x83 DUP4 Duplicate 4th stack item ✅
0x84 DUP5 Duplicate 5th stack item ✅
0x85 DUP6 Duplicate 6th stack item ✅
0x86 DUP7 Duplicate 7th stack item ✅
0x87 DUP8 Duplicate 8th stack item ✅
0x88 DUP9 Duplicate 9th stack item ✅
0x89 DUP10 Duplicate 10th stack item ✅
0x8a DUP11 Duplicate 11th stack item ✅
0x8b DUP12 Duplicate 12th stack item ✅
0x8c DUP13 Duplicate 13th stack item ✅
0x8d DUP14 Duplicate 14th stack item ✅
0x8e DUP15 Duplicate 15th stack item ✅
0x8f DUP16 Duplicate 16th stack item ✅

Exchange Operations

Opcode Value Opcode Name Description Implemented
0x90 SWAP1 Exchange 1st and 2nd stack items ✅
0x91 SWAP2 Exchange 1st and 3rd stack items ✅
0x92 SWAP3 Exchange 1st and 4th stack items ✅
0x93 SWAP4 Exchange 1st and 5th stack items ✅
0x94 SWAP5 Exchange 1st and 6th stack items ✅
0x95 SWAP6 Exchange 1st and 7th stack items ✅
0x96 SWAP7 Exchange 1st and 8th stack items ✅
0x97 SWAP8 Exchange 1st and 9th stack items ✅
0x98 SWAP9 Exchange 1st and 10th stack items ✅
0x99 SWAP10 Exchange 1st and 11th stack items ✅
0x9a SWAP11 Exchange 1st and 12th stack items ✅
0x9b SWAP12 Exchange 1st and 13th stack items ✅
0x9c SWAP13 Exchange 1st and 14th stack items ✅
0x9d SWAP14 Exchange 1st and 15th stack items ✅
0x9e SWAP15 Exchange 1st and 16th stack items ✅
0x9f SWAP16 Exchange 1st and 17th stack items ✅

Logging Operations

Opcode Value Opcode Name Description Implemented
0xa0 LOG0 Append log record with no topics ✅
0xa1 LOG1 Append log record with one topic ✅
0xa2 LOG2 Append log record with two topics ✅
0xa3 LOG3 Append log record with three topics ✅
0xa4 LOG4 Append log record with four topics ✅

System Operations

Opcode Value Opcode Name Description Implemented
0xf0 CREATE Create a new account with associated code ✅
0xf1 CALL Message-call into an account ✅
0xf2 CALLCODE Message-call into this account with alternative account's code ✅
0xf3 RETURN Halt execution returning output data ✅
0xf4 DELEGATECALL Message-call into this account with an alternative account’s code ✅
0xf5 CREATE2 Create a new account with associated code ✅
0xfa STATICCALL Static message-call into an account ✅
0xfd REVERT Halt execution reverting state changes ✅
0xfe INVALID Designated invalid instruction ✅
0xff SELFDESTRUCT Halt execution and register account for later deletion ✅