};
let sighash_parts = bip143::SighashComponents::new(&single_htlc_tx);
sign_input!(sighash_parts, single_htlc_tx.input[0], Some(idx), htlc.amount_msat / 1000);
};
let sighash_parts = bip143::SighashComponents::new(&single_htlc_tx);
sign_input!(sighash_parts, single_htlc_tx.input[0], Some(idx), htlc.amount_msat / 1000);