Skip to content

Latest commit

 

History

History
220 lines (187 loc) · 15 KB

supported_opcodes.md

File metadata and controls

220 lines (187 loc) · 15 KB

Kakarot supported EVM opcodes 🧪

This document describes the opcodes supported by Kakarot.

Arithmetic operations

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 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 Name Description Implemented
0x20 SHA3 Compute Keccak-256 hash

Environmental Information

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 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 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 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 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 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 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 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