revm_interpreter/gas/
constants.rs

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pub const ZERO: u64 = 0;
pub const BASE: u64 = 2;

pub const VERYLOW: u64 = 3;
pub const DATA_LOADN_GAS: u64 = 3;

pub const CONDITION_JUMP_GAS: u64 = 4;
pub const RETF_GAS: u64 = 3;
pub const DATA_LOAD_GAS: u64 = 4;

pub const LOW: u64 = 5;
pub const MID: u64 = 8;
pub const HIGH: u64 = 10;
pub const JUMPDEST: u64 = 1;
pub const SELFDESTRUCT: i64 = 24000;
pub const CREATE: u64 = 32000;
pub const CALLVALUE: u64 = 9000;
pub const NEWACCOUNT: u64 = 25000;
pub const EXP: u64 = 10;
pub const MEMORY: u64 = 3;
pub const LOG: u64 = 375;
pub const LOGDATA: u64 = 8;
pub const LOGTOPIC: u64 = 375;
pub const KECCAK256: u64 = 30;
pub const KECCAK256WORD: u64 = 6;
pub const COPY: u64 = 3;
pub const BLOCKHASH: u64 = 20;
pub const CODEDEPOSIT: u64 = 200;

/// EIP-1884: Repricing for trie-size-dependent opcodes
pub const INSTANBUL_SLOAD_GAS: u64 = 800;
pub const SSTORE_SET: u64 = 20000;
pub const SSTORE_RESET: u64 = 5000;
pub const REFUND_SSTORE_CLEARS: i64 = 15000;

/// The standard cost of calldata token.
pub const STANDARD_TOKEN_COST: u64 = 4;
/// The cost of a non-zero byte in calldata.
pub const NON_ZERO_BYTE_DATA_COST: u64 = 68;
/// The multiplier for a non zero byte in calldata.
pub const NON_ZERO_BYTE_MULTIPLIER: u64 = NON_ZERO_BYTE_DATA_COST / STANDARD_TOKEN_COST;
/// The cost of a non-zero byte in calldata adjusted by [EIP-2028](https://eips.ethereum.org/EIPS/eip-2028).
pub const NON_ZERO_BYTE_DATA_COST_ISTANBUL: u64 = 16;
/// The multiplier for a non zero byte in calldata adjusted by [EIP-2028](https://eips.ethereum.org/EIPS/eip-2028).
pub const NON_ZERO_BYTE_MULTIPLIER_ISTANBUL: u64 =
    NON_ZERO_BYTE_DATA_COST_ISTANBUL / STANDARD_TOKEN_COST;
// The cost floor per token as defined by [EIP-2028](https://eips.ethereum.org/EIPS/eip-2028).
pub const TOTAL_COST_FLOOR_PER_TOKEN: u64 = 10;

pub const EOF_CREATE_GAS: u64 = 32000;

// berlin eip2929 constants
pub const ACCESS_LIST_ADDRESS: u64 = 2400;
pub const ACCESS_LIST_STORAGE_KEY: u64 = 1900;
pub const COLD_SLOAD_COST: u64 = 2100;
pub const COLD_ACCOUNT_ACCESS_COST: u64 = 2600;
pub const WARM_STORAGE_READ_COST: u64 = 100;
pub const WARM_SSTORE_RESET: u64 = SSTORE_RESET - COLD_SLOAD_COST;

/// EIP-3860 : Limit and meter initcode
pub const INITCODE_WORD_COST: u64 = 2;

pub const CALL_STIPEND: u64 = 2300;
pub const MIN_CALLEE_GAS: u64 = CALL_STIPEND;