| OP Code (Hexidecimal) | Operation1 | Description | Gas |
|---|---|---|---|
| 0x30 | ADDRESS 0 1 | Get address of currently executing account | 2 |
| 0x31 | BALANCE 1 1 | Get balance of the given account | 700 |
| 0x32 | ORIGIN 0 1 | Get execution origination address | 2 |
| 0x33 | CALLER 0 1 | Get caller address (tx.origin|msg.sender) | 2 |
| 0x34 | CALLVALUE 0 1 | Get deposited value by the instruction/transaction responsible for this execution | 2 |
| 0x35 | CALLDATALOAD 1 1 | Get input data of current environment | 3 |
| 0x36 | CALLDATASIZE 0 1 | Get size of input data in current environment | 2[2^] |
| 0x37 | CALLDATACOPY 3 0 | Copy input data in current environment to memory | 3 |
| 0x38 | CODESIZE 0 1 | Get size of code running in current environment | 2 |
| 0x39 | CODECOPY 3 0 | Copy code running in current environment to memory | 3[2^] |
| 0x3a | GASPRICE 0 1 | Get price of gas in current environment (tx.gasprice) | 2 |
| 0x3b | EXTCODESIZE 1 1 | Get size of an account’s code | 700 |
| 0x3c | EXTCODECOPY 4 0 | Copy an account’s code to memory | 700 |
| 0x3d | RETURNDATASIZE 0 1 | Get size of output data from the previous call from the current environment | 2 |
| 0x3e | RETURNDATACOPY 3 0 | Copy output data from the previous call to memory | 3 |
| 0x3f | EXTCODEHASH 1 1 | Get hash of an account’s code | 700 |
Footnotes
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(Mnemonic, Stack items placed, Stack items removed) ↩