f: also account for the lower fees when trimming utxos

tankyleo · tankyleo · commit c1a7b0a0b027 · 2025-10-21T18:07:05.000Z
diff --git a/lightning/src/events/bump_transaction/mod.rs b/lightning/src/events/bump_transaction/mod.rs
@@ -536,7 +536,7 @@ where
 			}
 			while !selected_utxos.is_empty()
 				&& selected_amount - selected_utxos.front().unwrap().0.output.value
-					>= target_amount_sat + total_fees
+					>= target_amount_sat + total_fees - selected_utxos.front().unwrap().1
 			{
 				let (smallest_value_after_spend_utxo, fee_to_spend_utxo) =
 					selected_utxos.pop_front().unwrap();

Original file line number	Diff line number	Diff line change
`@@ -536,7 +536,7 @@ where`
`536`	`536`	`}`
`537`	`537`	`while !selected_utxos.is_empty()`
`538`	`538`	`&& selected_amount - selected_utxos.front().unwrap().0.output.value`
`539`		`- >= target_amount_sat + total_fees`
	`539`	`+ >= target_amount_sat + total_fees - selected_utxos.front().unwrap().1`
`540`	`540`	`{`
`541`	`541`	`let (smallest_value_after_spend_utxo, fee_to_spend_utxo) =`
`542`	`542`	`selected_utxos.pop_front().unwrap();`