def add_multi_sign_transaction(self, m: int, pub_keys: List[bytes]
or List[str], signer: Account):
"""
This interface is used to generate an Transaction object which has multi signature.
"""
for index, pk in enumerate(pub_keys):
if isinstance(pk, str):
pub_keys[index] = pk.encode('ascii')
pub_keys = ProgramBuilder.sort_public_keys(pub_keys)
tx_hash = self.hash256()
sig_data = signer.generate_signature(tx_hash)
if self.sig_list is None or len(self.sig_list) == 0:
self.sig_list = []
elif len(self.sig_list) >= TX_MAX_SIG_SIZE:
raise SDKException(
ErrorCode.param_err(
'the number of transaction signatures should not be over 16'
))
else:
for i in range(len(self.sig_list)):
if self.sig_list[i].public_keys == pub_keys:
if len(self.sig_list[i].sig_data) + 1 > len(pub_keys):
raise SDKException(
ErrorCode.param_err('too more sigData'))
if self.sig_list[i].m != m:
raise SDKException(ErrorCode.param_err('M error'))
self.sig_list[i].sig_data.append(sig_data)
return
sig = Sig(pub_keys, m, [sig_data])
self.sig_list.append(sig)
def test_sort_public_key(self):
pub_keys = [acct1.get_public_key_bytes(), acct2.get_public_key_bytes(), acct3.get_public_key_bytes()]
builder = ProgramBuilder()
sort_pub_keys = builder.sort_public_keys(pub_keys)
self.assertEqual("023cab3b268c4f268456a972c672c276d23a9c3ca3dfcfc0004d786adbf1fb9282", sort_pub_keys[0].hex())
self.assertEqual("03d0fdb54acba3f81db3a6e16fa02e7ea3678bd205eb4ed2f1cfa8ab5e5d45633e", sort_pub_keys[1].hex())
self.assertEqual("02e8e84be09b87985e7f9dfa74298f6bb7f70f85515afca7e041fe964334e4b6c1", sort_pub_keys[2].hex())
def test_sort_public_keys(self):
pub_keys = [
'02035b015221686aef1054b02605da2c3958885670b8298d36706593d3c451fa7e',
'022b06295115ef825b8a17524815d77cd79a44c9c8980288e35bab542792425fc2',
'03616dbe28eb6f2efdebe6a7b8fd824a56cf3e2ea5e03f802e19e686cb347d986f',
'0364c210b769c73ffc2782c74beb881581148023e42562a53d6dd8273e26845901',
'0296b60945cdbe44e9c8cfbeef7f6e462cb638dc65a5424e364ab0304063043950',
'02a2d9e83c40303a3439db54e55052c0133cbbc61580f008197d2d9c03abc2a8ef',
'02f7ec18df95f869e475361923105b9511dd8491d06ec0072530c174783a837846'
]
pub_keys = ProgramBuilder.sort_public_keys(pub_keys)
self.assertEqual(7, len(pub_keys))
