-
-/// Deduce a new proposed fee from the claiming transaction output value.
-/// If the new proposed fee is superior to the consumed outpoint's value, burn everything in miner's
-/// fee to deter counterparties attacker.
-pub(crate) fn compute_output_value<F: Deref, L: Deref>(predicted_weight: usize, input_amounts: u64, previous_feerate: u64, fee_estimator: &F, logger: &L) -> Option<(u64, u64)>
- where F::Target: FeeEstimator,
- L::Target: Logger,
-{
- // If old feerate is 0, first iteration of this claim, use normal fee calculation
- if previous_feerate != 0 {
- if let Some((new_fee, feerate)) = feerate_bump(predicted_weight, input_amounts, previous_feerate, fee_estimator, logger) {
- // If new computed fee is superior at the whole claimable amount burn all in fees
- if new_fee > input_amounts {
- return Some((0, feerate));
- } else {
- return Some((input_amounts - new_fee, feerate));
- }
- }
- } else {
- if let Some((new_fee, feerate)) = compute_fee_from_spent_amounts(input_amounts, predicted_weight, fee_estimator, logger) {
- return Some((input_amounts - new_fee, feerate));
- }
- }
- None
-}
-