let mut htlc_sigs = Vec::new();
for ref htlc in remote_commitment_tx.1.iter() {
let htlc_tx = self.build_htlc_transaction(&remote_commitment_txid, htlc, false, &remote_keys)?;
let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &remote_keys, htlc.offered);
let mut htlc_sigs = Vec::new();
for ref htlc in remote_commitment_tx.1.iter() {
let htlc_tx = self.build_htlc_transaction(&remote_commitment_txid, htlc, false, &remote_keys)?;
let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, &remote_keys, htlc.offered);