diff --git a/evm_and_opcodes/opcodes.md b/evm_and_opcodes/opcodes.md deleted file mode 100644 index d00e376..0000000 --- a/evm_and_opcodes/opcodes.md +++ /dev/null @@ -1,255 +0,0 @@ -## Opcodes - -
- -EVM instruction set can be classified into 11 categories: - -* Stop and Arithmetic Operations -* Comparison & Bitwise Logic Operations -* SHA3 -* Environmental Information -* Block Information -* Stack, Memory, Storage and Flow Operations -* Push Operations -* Duplication Operations -* Exchange Operations -* Logging Operations -* System Operations - - - -
- ---- - -### Stop and Arithmetic Operation - -0x00 STOP 0 0 Halts execution - -0x01 ADD 2 1 Addition operation - -0x02 MUL 2 1 Multiplication operation - -0x03 SUB 2 1 Subtraction operation - -0x04 DIV 2 1 Integer division operation - -0x05 SDIV 2 1 Signed integer division operation (truncated) - -0x06 MOD 2 1 Modulo remainder operation - -0x07 SMOD 2 1 Signed modulo remainder operation - -0x08 ADDMOD 3 1 Modulo addition operation - -0x09 MULMOD 3 1 Modulo multiplication operation - -0x0a EXP 2 1 Exponential operation - -0x0b SIGNEXTEND 2 1 Extend length of two’s complement signed integer - - -
- ---- - -## Comparison & Bitwise Logic Operations - -0x10 LT 2 1 Less-than comparison - -0x11 GT 2 1 Greater-than comparison - -0x12 SLT 2 1 Signed less-than comparison - -0x13 SGT 2 1 Signed greater-than comparison - -0x14 EQ 2 1 Equality comparison - -0x15 ISZERO 1 1 Simple not operator - -0x16 AND 2 1 Bitwise AND operation - -0x17 OR 2 1 Bitwise OR operation - -0x18 XOR 2 1 Bitwise XOR operation - -0x19 NOT 1 1 Bitwise NOT operation - -0x1a BYTE 2 1 Retrieve single byte from word - -0x1b SHL 2 1 Left shift operation - -0x1c SHR 2 1 Logical right shift operation - -0x1d SAR 2 1 Arithmetic (signed) right shift operation - -
- ---- - -### Environmental Information - -0x30 ADDRESS 0 1 Get address of currently executing account - -0x31 BALANCE 1 1 Get balance of the given account - -0x32 ORIGIN 0 1 Get execution origination address - -0x33 CALLER 0 1 Get caller address - -0x34 CALLVALUE 0 1 Get deposited value by the instruction/transaction responsible for this execution - -0x35 CALLDATALOAD 1 1 Get input data of current environment - -0x36 CALLDATASIZE 0 1 Get size of input data in current environment - -0x37 CALLDATACOPY 3 0 Copy input data in current environment to memory - -0x38 CODESIZE 0 1 Get size of code running in current environment - -0x39 CODECOPY 3 0 Copy code running in current environment to memory - -0x3a GASPRICE 0 1 Get price of gas in current environment - -0x3b EXTCODESIZE 1 1 Get size of an account’s code - -0x3c EXTCODECOPY 4 0 Copy an account’s code to memory - -0x3d RETURNDATASIZE 0 1 Get size of output data from the previous call from the current environment - -0x3e RETURNDATACOPY 3 0 Copy output data from the previous call to memory - -0x3f EXTCODEHASH 1 1 Get hash of an account’s code - -
- ---- - - -### Block Information - -0x40 BLOCKHASH 1 1 Get the hash of one of the 256 most recent complete blocks - -0x41 COINBASE 0 1 Get the block’s beneficiary address - -0x42 TIMESTAMP 0 1 Get the block’s timestamp - -0x43 NUMBER 0 1 Get the block’s number - -0x44 DIFFICULTY 0 1 Get the block’s difficulty - -0x45 GASLIMIT 0 1 Get the block’s gas limit - -
- ---- - -### Stack, Memory, Storage and Flow Operations - -0x50 POP 1 0 Remove item from stack - -0x51 MLOAD 1 1 Load word from memory - -0x52 MSTORE 2 0 Save word to memory - -0x53 MSTORE8 2 0 Save byte to memory - -0x54 SLOAD 1 1 Load word from storage - -0x55 SSTORE 2 0 Save word to storage - -0x56 JUMP 1 0 Alter the program counter - -0x57 JUMPI 2 0 Conditionally alter the program counter - -0x58 PC 0 1 Get the value of the program counter prior to the increment corresponding to this instruction - -0x59 MSIZE 0 1 Get the size of active memory in bytes - -0x5a GAS 0 1 Get the amount of available gas, including the corresponding reduction for the cost of this instruction - -0x5b JUMPDEST 0 0 Mark a valid destination for jumps. This operation has no effect on machine state during execution. - -
- ---- - -### Push Operations - -0x60 PUSH1 0 1 Place 1 byte item on stack - -0x61 PUSH2 0 1 Place 2-byte item on stack - -PUSH3, PUSH4, PUSH5…PUSH31 place 3, 4, 5..31 byte items on stack respectively - -0x7f PUSH32 0 1 Place 32-byte (full word) item on stack - -
- ---- - -### Duplication Operations - -0x80 DUP1 1 2 Duplicate 1st stack item - -DUP2, DUP3..DUP15 duplicate 2nd, 3rd..15th stack item respectively - -0x8f DUP16 16 17 Duplicate 16th stack item - -
- ---- - -### Exchange Operations - -0x90 SWAP1 2 2 Exchange 1st and 2nd stack items - -0x91 SWAP2 3 3 Exchange 1st and 3rd stack items - -SWAP3, SWAP4..SWAP15 exchange 1st and 4th..15th stack items respectively - -0x9f SWAP16 17 17 Exchange 1st and 17th stack items - - -
- ---- - -### Logging Operations - -0xa0 LOG0 2 0 Append log record with no topics - -0xa1 LOG1 3 0 Append log record with one topic - -0xa2 LOG2 4 0 Append log record with two topics - -0xa3 LOG3 5 0 Append log record with three topics - -0xa4 LOG4 6 0 Append log record with four topics - -
- ---- - -### System Operations - -0xf0 CREATE 3 1 Create a new account with associated code - -0xf1 CALL 7 1 Message-call into an account - -0xf2 CALLCODE 7 1 Message-call into this account with an alternative account’s code - -0xf3 RETURN 2 0 Halt execution returning output dat - -0xf4 DELEGATECALL 6 1 Message-call into this account with an alternative account’s code, but persisting the current values for sender and value - -0xf5 CREATE2 4 1 Create a new account with associated code - -0xfa STATICCALL 6 1 Static message-call into an account - -0xfd REVERT 2 0 Halt execution reverting state changes but returning data and remaining gas - -0xfe INVALID ∅ ∅ Designated invalid instruction - -0xff SELFDESTRUCT 1 0 Halt execution and register account for later deletion -