let funding_redeemscript = self.get_funding_redeemscript();
let (mut closing_tx, used_total_fee) = self.build_closing_transaction(msg.fee_satoshis, false);
if used_total_fee != msg.fee_satoshis {
let funding_redeemscript = self.get_funding_redeemscript();
let (mut closing_tx, used_total_fee) = self.build_closing_transaction(msg.fee_satoshis, false);
if used_total_fee != msg.fee_satoshis {