def test_no_combine_with_fee(self):
"""
Verify that unused unspents do not increase fee.
"""
unspents_single = [Unspent(5000, 0, '', '', 0)]
unspents_original = [Unspent(5000, 0, '', '', 0),
Unspent(5000, 0, '', '', 0)]
outputs_original = [(BITCOIN_CASHADDRESS_TEST_COMPRESSED, 1000, 'satoshi')]
unspents, outputs = sanitize_tx_data(
unspents_original, outputs_original, fee=1, leftover=RETURN_ADDRESS,
combine=False, message=None
)
unspents_single, outputs_single = sanitize_tx_data(
unspents_single, outputs_original, fee=1, leftover=RETURN_ADDRESS,
combine=False, message=None
)
assert unspents == [Unspent(5000, 0, '', '', 0)]
assert unspents_single == [Unspent(5000, 0, '', '', 0)]
assert len(outputs) == 2
assert len(outputs_single) == 2
assert outputs[1][0] == RETURN_ADDRESS
assert outputs_single[1][0] == RETURN_ADDRESS
assert outputs[1][1] == outputs_single[1][1]
def test_no_combine_insufficient_funds(self):
unspents_original = [Unspent(1000, 0, '', '', 0),
Unspent(1000, 0, '', '', 0)]
outputs_original = [(BITCOIN_CASHADDRESS_TEST_COMPRESSED, 2500, 'satoshi')]
with pytest.raises(InsufficientFunds):
sanitize_tx_data(
unspents_original, outputs_original, fee=50, leftover=RETURN_ADDRESS,
combine=False, message=None
)
def test_zero_remaining(self):
unspents_original = [Unspent(1000, 0, '', '', 0),
Unspent(1000, 0, '', '', 0)]
outputs_original = [(BITCOIN_CASHADDRESS_TEST_COMPRESSED, 2000, 'satoshi')]
unspents, outputs = sanitize_tx_data(
unspents_original, outputs_original, fee=0, leftover=RETURN_ADDRESS,
combine=True, message=None
)
assert unspents == unspents_original
assert outputs == [(BITCOIN_CASHADDRESS_TEST_COMPRESSED, 2000)]
def test_message(self):
unspents_original = [Unspent(10000, 0, '', '', 0),
Unspent(10000, 0, '', '', 0)]
outputs_original = [(BITCOIN_CASHADDRESS_TEST_COMPRESSED, 1000, 'satoshi')]
unspents, outputs = sanitize_tx_data(
unspents_original, outputs_original, fee=5, leftover=RETURN_ADDRESS,
combine=True, message='hello'
)
assert len(outputs) == 3
assert outputs[2][0] == b'hello'
assert outputs[2][1] == 0
def test_no_combine_remaining(self):
unspents_original = [Unspent(7000, 0, '', '', 0),
Unspent(3000, 0, '', '', 0)]
outputs_original = [(BITCOIN_CASHADDRESS_TEST_COMPRESSED, 2000, 'satoshi')]
unspents, outputs = sanitize_tx_data(
unspents_original, outputs_original, fee=0, leftover=RETURN_ADDRESS,
combine=False, message=None
)
assert unspents == [Unspent(3000, 0, '', '', 0)]
assert len(outputs) == 2
assert outputs[1][0] == RETURN_ADDRESS
assert outputs[1][1] == 1000
def test_message_pushdata(self):
unspents_original = [Unspent(10000, 0, '', '', 0),
Unspent(10000, 0, '', '', 0)]
outputs_original = [(BITCOIN_CASHADDRESS_TEST_COMPRESSED, 1000, 'satoshi')]
BYTES = len(b'hello').to_bytes(1, byteorder='little') + b'hello'
unspents, outputs = sanitize_tx_data(
unspents_original, outputs_original, fee=5, leftover=RETURN_ADDRESS,
combine=True, message=BYTES, custom_pushdata=True
)
assert len(outputs) == 3
assert outputs[2][0] == b'\x05' + b'hello'
assert outputs[2][1] == 0
def test_init(self):
unspent = Unspent(10000, 7, 'script', 'txid', 0)
assert unspent.amount == 10000
assert unspent.confirmations == 7
assert unspent.script == 'script'
assert unspent.txid == 'txid'
assert unspent.txindex == 0
def get_unspent(cls, address):
r = requests.get(cls.MAIN_UNSPENT_API.format(address),
timeout=DEFAULT_TIMEOUT)
r.raise_for_status() # pragma: no cover
return [
Unspent(currency_to_satoshi(tx['amount'],
'bch'), tx['confirmations'],
tx['scriptPubKey'], tx['txid'], tx['vout'])
for tx in r.json()
]
def get_unspent(cls, address):
address = address.replace('bitcoincash:', '')
r = requests.get(cls.MAIN_UNSPENT_API.format(address),
timeout=DEFAULT_TIMEOUT)
r.raise_for_status() # pragma: no cover
return [
Unspent(currency_to_satoshi(tx['value'],
'satoshi'), tx['confirmations'],
tx['script'], tx['mintTxid'], tx['mintIndex'])
for tx in r.json()
]
def get_unspent(cls, address):
req_args = {"addresses": address, "confirmations": -1}
r = requests.get(cls.MAIN_UNSPENT_API,
timeout=DEFAULT_TIMEOUT,
data=req_args)
r.raise_for_status() # pragma: no cover
return [
Unspent(tx['value'], tx['confirmations'], None, tx['txid'],
tx['vout']) for tx in r.json()['data']
]
def get_unspent_testnet(cls, address):
req_args = {"addresses": address, "confirmations": -1}
r = requests.get(cls.TEST_UNSPENT_API,
data=req_args,
timeout=DEFAULT_TIMEOUT)
r.raise_for_status() # pragma: no cover
#cls.get_transaction("20293ed2b52726baeb9b2b5b60f5dd50f5b294c824d98a46b4068d5cdbedfc3f")
return [
Unspent(tx['value'], tx['confirmations'], None, tx['txid'],
tx['vout']) for tx in r.json()['data']
]
def sign_transaction(self, tx_data):
"""Creates a signed P2PKH transaction using previously prepared
transaction data.
:param tx_data: Output of :func:`~bitcashcn.PrivateKeyTestnet.prepare_transaction`.
:type tx_data: ``str``
:returns: The signed transaction as hex.
:rtype: ``str``
"""
data = json.loads(tx_data)
unspents = [Unspent.from_dict(unspent) for unspent in data['unspents']]
outputs = data['outputs']
return create_p2pkh_transaction(self, unspents, outputs)
def get_unspent_testnet(cls, address):
address = address.replace('bchtest:', '')
r = requests.get(cls.TEST_UNSPENT_API.format(address),
timeout=DEFAULT_TIMEOUT)
r.raise_for_status() # pragma: no cover
unspents = []
for tx in r.json():
# In weird conditions, the API will send back unspents
# without a scriptPubKey.
if 'script' in tx:
unspents.append(
Unspent(currency_to_satoshi(tx['value'], 'satoshi'),
tx['confirmations'], tx['script'], tx['mintTxid'],
tx['mintIndex']))
else:
logging.warning('Unspent without scriptPubKey.')
return unspents
(b"\x88x9\x9d\x83\xec%\xc6'\xcf\xbfu?\xf9\xca6\x027>"
b"\xacCz\xb2gaT\xa3\xc2\xda#\xad\xf3"),
b'\x01\x00\x00\x00',
0
)
]
INPUT_BLOCK = ('8878399d83ec25c627cfbf753ff9ca3602373eac437ab2676154a3c2da23adf30'
'10000008a473044022045b743dbaaaa2cd1ef0b91346f5644e32dc70cde05091b'
'3762d4cabb6ebd711a022074461056c26efeac0b448e7fa769773dd6e4436cde5'
'05c8f6ca6303efe31f0950141043d5c2875c9bd116875a71a5db64cffcb13396b'
'163d039b1d932782489180433476a4352a2add00ebb0d5c94c515b72eb10f1fd8'
'f3f03b42f4a2b255bfc9aa9e3ffffffff')
UNSPENTS = [
Unspent(83727960,
15,
'76a91492461bde6283b461ece7ddf4dbf1e0a48bd113d888ac',
'f3ad23dac2a3546167b27a43ac3e370236caf93f75bfcf27c625ec839d397888',
1)
]
OUTPUTS = [
('n2eMqTT929pb1RDNuqEnxdaLau1rxy3efi', 50000),
('mtrNwJxS1VyHYn3qBY1Qfsm3K3kh1mGRMS', 83658760)
]
MESSAGES = [
(b'hello', 0),
(b'there', 0)
]
OUTPUT_BLOCK = ('50c30000000000001976a914e7c1345fc8f87c68170b3aa798a956c2fe6a9eff88ac'
'0888fc04000000001976a91492461bde6283b461ece7ddf4dbf1e0a48bd113d888ac')
OUTPUT_BLOCK_MESSAGES = ('50c30000000000001976a914e7c1345fc8f87c68170b3aa798a956c2fe6a9eff88ac'
'0888fc04000000001976a91492461bde6283b461ece7ddf4dbf1e0a48bd113d888ac'
def test_repr(self):
unspent = Unspent(10000, 7, 'script', 'txid', 0)
assert repr(unspent) == ("Unspent(amount=10000, confirmations=7, "
"script='script', txid='txid', txindex=0)")
def test_equality(self):
unspent1 = Unspent(10000, 7, 'script', 'txid', 0)
unspent2 = Unspent(10000, 7, 'script', 'txid', 0)
unspent3 = Unspent(50000, 7, 'script', 'txid', 0)
assert unspent1 == unspent2
assert unspent1 != unspent3
def test_dict_conversion(self):
unspent = Unspent(10000, 7, 'script', 'txid', 0)
assert unspent == Unspent.from_dict(unspent.to_dict())