server.py 文件源码

def close(self, deposit_txid, deposit_txid_signature):
        # Load channel
        channel = self._load_channel(deposit_txid)

        # Check if a payment has been made to this chanel
        if channel['payment_tx'] is None:
            raise Exception("No payment has been made to this channel.")

        # Verify deposit txid singature
        public_key = channel['redeem_script'].customer_public_key
        assert public_key.verify(
            deposit_txid.encode(), bitcoin.Signature.from_der(deposit_txid_signature)
        ), "Invalid deposit txid signature."

        # Return payment txid
        return str(channel['payment_tx'].hash)