Function SignMessage

bitcoin/signmessage.py:29–36

(key, message)

def SignMessage(key, message):
    sig, i = key.sign_compact(message.GetHash())

    meta = 27 + i
    if key.is_compressed:
        meta += 4

    return base64.b64encode(bytes([meta]) + sig)


class BitcoinMessage(ImmutableSerializable):