pub fn retryable_submission_fee(
calldata_length: usize,
l1_base_fee: U256,
) -> U256Expand description
Computes the submission fee for a retryable ticket.
Matches Nitro’s RetryableSubmissionFee: (1400 + 6 * len) * l1_base_fee
using big-integer arithmetic so length and product can’t overflow.