Constant PER_EMPTY_ACCOUNT_COST

pub const PER_EMPTY_ACCOUNT_COST: u64 = 25000; // 25_000u64

A gas refund for EIP7702 transactions if the authority account already exists in the trie.

The refund is PER_EMPTY_ACCOUNT_COST - PER_AUTH_BASE_COST.

See also EIP-7702.