Constant reth::core::primitives::constants::OP_SEPOLIA_EIP1559_DEFAULT_BASE_FEE_MAX_CHANGE_DENOMINATOR

pub const OP_SEPOLIA_EIP1559_DEFAULT_BASE_FEE_MAX_CHANGE_DENOMINATOR: u128 = 50; // 50u128

Base fee max change denominator for Optimism Sepolia as defined in the Optimism transaction costs doc.