let anchor_redeem_script = chan_utils::get_anchor_redeemscript(funding_key);
let mut funding_sig = funding_sig.serialize_der().to_vec();
funding_sig.push(EcdsaSighashType::All as u8);
let anchor_redeem_script = chan_utils::get_anchor_redeemscript(funding_key);
let mut funding_sig = funding_sig.serialize_der().to_vec();
funding_sig.push(EcdsaSighashType::All as u8);