[https://ethereum.org/developers/docs/evm/opcodes](https://ethereum.org/developers/docs/evm/opcodes) ストレージ系 SLOAD, SSTOREのガス代: [https://github.com/wolflo/evm-opcodes/blob/main/gas.md#a7-sstore](https://github.com/wolflo/evm-opcodes/blob/main/gas.md#a7-sstore) (参考: [[EIP-2200]]) - `SLOAD`(読み込み) - `SSTORE`(書き込み)