def address(self):
"""The public address you share with others to receive funds."""
if self._address is None:
self._address = public_key_to_address(self._public_key,
version='test')
return self._address
def get_signer_address(self, txrow):
txins = self.conn.execute('''SELECT asmhex FROM txin WHERE tx = ?''',
(txrow, )).fetchall()
address = None
for txin in txins:
asmhex = txin[0]
asm = bytes.fromhex(asmhex)
sig_size = int.from_bytes(asm[0:1], 'little')
pubkey_size = int.from_bytes(asm[sig_size + 1:sig_size + 2],
'little')
pubkey = asm[sig_size + 2:sig_size + pubkey_size + 2]
pubkey_address = public_key_to_address(pubkey)
if not address:
address = pubkey_address
elif address != pubkey_address:
raise ValueError(
"Multiple signer keys are present in the transaction inputs"
)
return address
def generate_key_address_pair(): # pragma: no cover
private_key = ECPrivateKey()
address = public_key_to_address(private_key.public_key.format())
return bytes_to_wif(private_key.secret), address
def test_public_key_to_address_incorrect_length(self):
with pytest.raises(ValueError):
public_key_to_address(PUBLIC_KEY_COMPRESSED[:-1])
def test_public_key_to_address_test_uncompressed(self):
assert public_key_to_address(PUBLIC_KEY_UNCOMPRESSED, version='test') == BITCOIN_ADDRESS_TEST
def test_public_key_to_address_uncompressed(self):
assert public_key_to_address(PUBLIC_KEY_UNCOMPRESSED) == BITCOIN_ADDRESS
def test_public_key_to_address_regtest_uncompressed(self):
assert (public_key_to_address(
PUBLIC_KEY_UNCOMPRESSED,
version="regtest") == BITCOIN_CASHADDRESS_REGTEST)
def test_public_key_to_address_test_compressed(self):
assert (public_key_to_address(
PUBLIC_KEY_COMPRESSED,
version="test") == BITCOIN_CASHADDRESS_TEST_COMPRESSED)
def test_public_key_to_address_incorrect_version(self):
with pytest.raises(ValueError):
public_key_to_address(PUBLIC_KEY_COMPRESSED, "incorrect-version")
def test_public_key_to_address_compressed(self):
assert (public_key_to_address(PUBLIC_KEY_COMPRESSED) ==
BITCOIN_CASHADDRESS_COMPRESSED)
