for this_htlc in self.per_htlc.iter() {
if this_htlc.0.transaction_output_index.is_some() {
let htlc_tx = build_htlc_transaction(&txid, self.feerate_per_kw, local_csv, &this_htlc.0, &self.local_keys.a_delayed_payment_key, &self.local_keys.revocation_key);
for this_htlc in self.per_htlc.iter() {
if this_htlc.0.transaction_output_index.is_some() {
let htlc_tx = build_htlc_transaction(&txid, self.feerate_per_kw, local_csv, &this_htlc.0, &self.local_keys.a_delayed_payment_key, &self.local_keys.revocation_key);