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Fix balance candidate selection during pending splices #865

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Merged
tnull merged 1 commit into from
Apr 9, 2026
+10 −4
Merged

Fix balance candidate selection during pending splices #865

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14 changes: 10 additions & 4 deletions src/balance.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -231,10 +231,16 @@ impl LightningBalance {
inbound_claiming_htlc_rounded_msat,
inbound_htlc_rounded_msat,
} => {
// unwrap safety: confirmed_balance_candidate_index is guaranteed to index into balance_candidates
let balance = balance_candidates
.get(confirmed_balance_candidate_index)
.expect("LDK should provide a valid confirmed balance candidate index");
// When confirmed_balance_candidate_index is 0, no specific alternative
// funding has been confirmed yet, so use the last candidate (most current
// splice/RBF attempt), matching LDK's claimable_amount_satoshis behavior.
let balance = if confirmed_balance_candidate_index != 0 {
&balance_candidates[confirmed_balance_candidate_index]
} else {
balance_candidates
.last()
.expect("balance_candidates always contains at least the current funding")
};

Self::ClaimableOnChannelClose {
channel_id,
Expand Down