def test_local_cache(self):
"""
Installing a cache only for a single instance of
:py:class:`AddressGenerator`.
"""
mock_generate_address = Mock(return_value=self.addy)
with patch(
'cornode.crypto.addresses.AddressGenerator._generate_address',
mock_generate_address,
):
generator1 = AddressGenerator(Seed.random())
# Install the cache locally.
generator1.cache = MemoryAddressCache()
addy1 = generator1.get_addresses(42)
mock_generate_address.assert_called_once()
# The second time we try to generate the same address, it is
# fetched from the cache.
addy2 = generator1.get_addresses(42)
mock_generate_address.assert_called_once()
self.assertEqual(addy2, addy1)
# Create a new instance to verify it has its own cache.
generator2 = AddressGenerator(generator1.seed)
# The generator has its own cache instance, so even though the
# resulting address is the same, it is not fetched from cache.
addy3 = generator2.get_addresses(42)
self.assertEqual(mock_generate_address.call_count, 2)
self.assertEqual(addy3, addy1)
def test_no_transactions(self):
"""
There are no transactions for the specified seed.
"""
# To speed up the test, we will mock the address generator.
# :py:class:`cornode.crypto.addresses.AddressGenerator` already has
# its own test case, so this does not impact the stability of the
# codebase.
# noinspection PyUnusedLocal
def create_generator(ag, start, step=1):
for addy in [self.addy1][start::step]:
yield addy
self.adapter.seed_response(
'findTransactions',
{
'duration': 1,
'hashes': [],
},
)
with patch(
'cornode.crypto.addresses.AddressGenerator.create_iterator',
create_generator,
):
response = self.command(seed=Seed.random())
self.assertDictEqual(response, {'bundles': []})
def test_global_cache(self):
"""
Installing a cache that affects all :py:class:`AddressGenerator`
instances.
"""
# Install the cache globally.
AddressGenerator.cache = MemoryAddressCache()
mock_generate_address = Mock(return_value=self.addy)
with patch(
'cornode.crypto.addresses.AddressGenerator._generate_address',
mock_generate_address,
):
generator1 = AddressGenerator(Seed.random())
addy1 = generator1.get_addresses(42)
mock_generate_address.assert_called_once()
# The second time we try to generate the same address, it is
# fetched from the cache.
addy2 = generator1.get_addresses(42)
mock_generate_address.assert_called_once()
self.assertEqual(addy2, addy1)
# Create a new AddressGenerator and verify it uses the same
# cache.
generator2 = AddressGenerator(generator1.seed)
# Cache is global, so the cached address is returned again.
addy3 = generator2.get_addresses(42)
mock_generate_address.assert_called_once()
self.assertEqual(addy3, addy1)
def test_stop_threshold_zero(self):
"""
``stop`` provided, ``threshold`` is 0.
"""
# Note that the first address has a zero balance.
self.adapter.seed_response('getBalances', {
'balances': [0, 1],
})
# To keep the unit test nice and speedy, we will mock the address
# generator. We already have plenty of unit tests for that
# functionality, so we can get away with mocking it here.
mock_address_generator = Mock(return_value=[self.addy0, self.addy1])
with patch(
'cornode.crypto.addresses.AddressGenerator.get_addresses',
mock_address_generator,
):
response = self.command(
seed=Seed.random(),
stop=2,
threshold=0,
)
self.assertEqual(response['totalBalance'], 1)
self.assertEqual(len(response['inputs']), 1)
# Address 0 was skipped because it has a zero balance.
input0 = response['inputs'][0]
self.assertIsInstance(input0, Address)
self.assertEqual(input0, self.addy1)
self.assertEqual(input0.balance, 1)
self.assertEqual(input0.key_index, 1)
def test_no_stop_threshold_not_met(self):
"""
No ``stop`` provided, balance does not meet ``threshold``.
"""
self.adapter.seed_response('getBalances', {
'balances': [42, 29, 0],
})
# To keep the unit test nice and speedy, we will mock the address
# generator. We already have plenty of unit tests for that
# functionality, so we can get away with mocking it here.
# noinspection PyUnusedLocal
def mock_address_generator(ag, start, step=1):
for addy in [self.addy0, self.addy1, self.addy2][start::step]:
yield addy
# When ``stop`` is None, the command uses a generator internally.
with patch(
'cornode.crypto.addresses.AddressGenerator.create_iterator',
mock_address_generator,
):
with self.assertRaises(BadApiResponse):
self.command(
seed=Seed.random(),
threshold=72,
)
def test_cache_miss_seed(self):
"""
Cached addresses are keyed by seed.
"""
AddressGenerator.cache = MemoryAddressCache()
mock_generate_address = Mock(return_value=self.addy)
with patch(
'cornode.crypto.addresses.AddressGenerator._generate_address',
mock_generate_address,
):
generator1 = AddressGenerator(Seed.random())
generator1.get_addresses(42)
mock_generate_address.assert_called_once()
generator2 = AddressGenerator(Seed.random())
generator2.get_addresses(42)
self.assertEqual(mock_generate_address.call_count, 2)
def test_start(self):
"""
Using ``start`` to offset the key range.
"""
self.adapter.seed_response('getBalances', {
'balances': [86],
})
# ``getInputs`` uses ``findTransactions`` to identify unused
# addresses.
# noinspection SpellCheckingInspection
self.adapter.seed_response(
'findTransactions', {
'hashes': [
TransactionHash(
b'TESTVALUE9DONTUSEINPRODUCTION99999YFXGOD'
b'GISBJAX9PDJIRDMDV9DCRDCAEG9FN9KECCBDDFZ9H'),
],
})
self.adapter.seed_response('findTransactions', {
'hashes': [],
})
# To keep the unit test nice and speedy, we will mock the address
# generator. We already have plenty of unit tests for that
# functionality, so we can get away with mocking it here.
# noinspection PyUnusedLocal
def mock_address_generator(ag, start, step=1):
# If ``start`` has the wrong value, return garbage to make the
# test asplode.
for addy in [None, self.addy1, self.addy2][start::step]:
yield addy
# When ``stop`` is None, the command uses a generator internally.
with patch(
'cornode.crypto.addresses.AddressGenerator.create_iterator',
mock_address_generator,
):
response = self.command(
seed=Seed.random(),
start=1,
)
self.assertEqual(response['totalBalance'], 86)
self.assertEqual(len(response['inputs']), 1)
input0 = response['inputs'][0]
self.assertIsInstance(input0, Address)
self.assertEqual(input0, self.addy1)
self.assertEqual(input0.balance, 86)
self.assertEqual(input0.key_index, 1)
def __init__(self, adapter, seed=None, testnet=False):
# type: (AdapterSpec, Optional[TrytesCompatible], bool) -> None
"""
:param seed:
Seed used to generate new addresses.
If not provided, a random one will be generated.
Note: This value is never transferred to the node/network.
"""
super(cornode, self).__init__(adapter, testnet)
self.seed = Seed(seed) if seed else Seed.random()
def test_thread_safety(self):
"""
Address cache is thread-safe, eliminating invalid cache misses when
multiple threads attempt to access the cache concurrently.
"""
AddressGenerator.cache = MemoryAddressCache()
seed = Seed.random()
generated = []
def get_address():
generator = AddressGenerator(seed)
generated.extend(generator.get_addresses(0))
# noinspection PyUnusedLocal
def mock_generate_address(address_generator, key_iterator):
# type: (AddressGenerator, KeyIterator) -> Address
# Insert a teensy delay, to make it more likely that multiple
# threads hit the cache concurrently.
sleep(0.01)
# Note that in this test, the address generator always returns a
# new instance.
return Address(self.addy, key_index=key_iterator.current)
with patch(
'cornode.crypto.addresses.AddressGenerator._generate_address',
mock_generate_address,
):
threads = [Thread(target=get_address) for _ in range(100)]
for t in threads:
t.start()
for t in threads:
t.join()
# Quick sanity check.
self.assertEqual(len(generated), len(threads))
# If the cache is operating in a thread-safe manner, then it will
# always return the exact same instance, given the same seed and
# key index.
expected = generated[0]
for actual in generated[1:]:
# Compare `id` values instead of using ``self.assertIs`` because
# the failure message is a bit easier to understand.
self.assertEqual(id(actual), id(expected))
def test_happy_path(self):
"""
Loading account data for an account.
"""
# noinspection PyUnusedLocal
def mock_iter_used_addresses(adapter, seed, start):
"""
Mocks the ``iter_used_addresses`` function, so that we can
simulate its functionality without actually connecting to the
Tangle.
References:
- :py:func:`cornode.commands.extended.utils.iter_used_addresses`
"""
yield self.addy1, [self.hash1]
yield self.addy2, [self.hash2]
mock_get_balances = Mock(return_value={'balances': [42, 0]})
# Not particularly realistic, but good enough to prove that the
# mocked function was invoked correctly.
bundles = [Bundle(), Bundle()]
mock_get_bundles_from_transaction_hashes = Mock(return_value=bundles)
with patch(
'cornode.commands.extended.get_account_data.iter_used_addresses',
mock_iter_used_addresses,
):
with patch(
'cornode.commands.extended.get_account_data.get_bundles_from_transaction_hashes',
mock_get_bundles_from_transaction_hashes,
):
with patch(
'cornode.commands.core.get_balances.GetBalancesCommand._execute',
mock_get_balances,
):
response = self.command(seed=Seed.random())
self.assertDictEqual(
response,
{
'addresses': [self.addy1, self.addy2],
'balance': 42,
'bundles': bundles,
},
)
def test_no_transactions(self):
"""
Loading account data for a seed that hasn't been used yet.
"""
with patch(
'cornode.commands.extended.get_account_data.iter_used_addresses',
Mock(return_value=[]),
):
response = self.command(seed=Seed.random())
self.assertDictEqual(
response,
{
'addresses': [],
'balance': 0,
'bundles': [],
},
)
def test_stop_no_threshold(self):
"""
``stop`` provided, no ``threshold``.
"""
self.adapter.seed_response('getBalances', {
'balances': [42, 29],
})
# To keep the unit test nice and speedy, we will mock the address
# generator. We already have plenty of unit tests for that
# functionality, so we can get away with mocking it here.
mock_address_generator = Mock(return_value=[self.addy0, self.addy1])
with patch(
'cornode.crypto.addresses.AddressGenerator.get_addresses',
mock_address_generator,
):
response = self.command(
seed=Seed.random(),
start=0,
stop=2,
)
self.assertEqual(response['totalBalance'], 71)
self.assertEqual(len(response['inputs']), 2)
input0 = response['inputs'][0]
self.assertIsInstance(input0, Address)
self.assertEqual(input0, self.addy0)
self.assertEqual(input0.balance, 42)
self.assertEqual(input0.key_index, 0)
input1 = response['inputs'][1]
self.assertIsInstance(input1, Address)
self.assertEqual(input1, self.addy1)
self.assertEqual(input1.balance, 29)
self.assertEqual(input1.key_index, 1)
def test_stop_threshold_not_met(self):
"""
``stop`` provided, balance does not meet ``threshold``.
"""
self.adapter.seed_response('getBalances', {
'balances': [42, 29],
})
# To keep the unit test nice and speedy, we will mock the address
# generator. We already have plenty of unit tests for that
# functionality, so we can get away with mocking it here.
mock_address_generator = Mock(return_value=[self.addy0, self.addy1])
with patch(
'cornode.crypto.addresses.AddressGenerator.get_addresses',
mock_address_generator,
):
with self.assertRaises(BadApiResponse):
self.command(
seed=Seed.random(),
stop=2,
threshold=72,
)
def test_happy_path(self):
"""
Sending a transfer successfully.
"""
# noinspection SpellCheckingInspection
transaction1 =\
TransactionTrytes(
b'GYPRVHBEZOOFXSHQBLCYW9ICTCISLHDBNMMVYD9JJHQMPQCTIQAQTJNNNJ9IDXLRCC'
b'OYOXYPCLR9PBEY9ORZIEPPDNTI9CQWYZUOTAVBXPSBOFEQAPFLWXSWUIUSJMSJIIIZ'
b'WIKIRH9GCOEVZFKNXEVCUCIIWZQCQEUVRZOCMEL9AMGXJNMLJCIA9UWGRPPHCEOPTS'
b'VPKPPPCMQXYBHMSODTWUOABPKWFFFQJHCBVYXLHEWPD9YUDFTGNCYAKQKVEZYRBQRB'
b'XIAUX9SVEDUKGMTWQIYXRGSWYRK9SRONVGTW9YGHSZRIXWGPCCUCDRMAXBPDFVHSRY'
b'WHGB9DQSQFQKSNICGPIPTRZINYRXQAFSWSEWIFRMSBMGTNYPRWFSOIIWWT9IDSELM9'
b'JUOOWFNCCSHUSMGNROBFJX9JQ9XT9PKEGQYQAWAFPRVRRVQPUQBHLSNTEFCDKBWRCD'
b'X9EYOBB9KPMTLNNQLADBDLZPRVBCKVCYQEOLARJYAGTBFR9QLPKZBOYWZQOVKCVYRG'
b'YI9ZEFIQRKYXLJBZJDBJDJVQZCGYQMROVHNDBLGNLQODPUXFNTADDVYNZJUVPGB9LV'
b'PJIYLAPBOEHPMRWUIAJXVQOEM9ROEYUOTNLXVVQEYRQWDTQGDLEYFIYNDPRAIXOZEB'
b'CS9P99AZTQQLKEILEVXMSHBIDHLXKUOMMNFKPYHONKEYDCHMUNTTNRYVMMEYHPGASP'
b'ZXASKRUPWQSHDMU9VPS99ZZ9SJJYFUJFFMFORBYDILBXCAVJDPDFHTTTIYOVGLRDYR'
b'TKHXJORJVYRPTDH9ZCPZ9ZADXZFRSFPIQKWLBRNTWJHXTOAUOL9FVGTUMMPYGYICJD'
b'XMOESEVDJWLMCVTJLPIEKBE9JTHDQWV9MRMEWFLPWGJFLUXI9BXPSVWCMUWLZSEWHB'
b'DZKXOLYNOZAPOYLQVZAQMOHGTTQEUAOVKVRRGAHNGPUEKHFVPVCOYSJAWHZU9DRROH'
b'BETBAFTATVAUGOEGCAYUXACLSSHHVYDHMDGJP9AUCLWLNTFEVGQGHQXSKEMVOVSKQE'
b'EWHWZUDTYOBGCURRZSJZLFVQQAAYQO9TRLFFN9HTDQXBSPPJYXMNGLLBHOMNVXNOWE'
b'IDMJVCLLDFHBDONQJCJVLBLCSMDOUQCKKCQJMGTSTHBXPXAMLMSXRIPUBMBAWBFNLH'
b'LUJTRJLDERLZFUBUSMF999XNHLEEXEENQJNOFFPNPQ9PQICHSATPLZVMVIWLRTKYPI'
b'XNFGYWOJSQDAXGFHKZPFLPXQEHCYEAGTIWIJEZTAVLNUMAFWGGLXMBNUQTOFCNLJTC'
b'DMWVVZGVBSEBCPFSM99FLOIDTCLUGPSEDLOKZUAEVBLWNMODGZBWOVQT9DPFOTSKRA'
b'BQAVOQ9RXWBMAKFYNDCZOJGTCIDMQSQQSODKDXTPFLNOKSIZEOY9HFUTLQRXQMEPGO'
b'XQGLLPNSXAUCYPGZMNWMQWSWCKAQYKXJTWINSGPPZG9HLDLEAWUWEVCTVRCBDFOXKU'
b'ROXH9HXXAXVPEJFRSLOGRVGYZASTEBAQNXJJROCYRTDPYFUIQJVDHAKEG9YACV9HCP'
b'JUEUKOYFNWDXCCJBIFQKYOXGRDHVTHEQUMHO999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999RKWEEVD99A99999999A99999999NFDPEEZCWVYLKZGSLCQNOFUSENI'
b'XRHWWTZFBXMPSQHEDFWZULBZFEOMNLRNIDQKDNNIELAOXOVMYEI9PGTKORV9IKTJZQ'
b'UBQAWTKBKZ9NEZHBFIMCLV9TTNJNQZUIJDFPTTCTKBJRHAITVSKUCUEMD9M9SQJ999'
b'999TKORV9IKTJZQUBQAWTKBKZ9NEZHBFIMCLV9TTNJNQZUIJDFPTTCTKBJRHAITVSK'
b'UCUEMD9M9SQJ999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999'
)
mock_prepare_transfer = Mock(return_value={
'trytes': [transaction1],
})
mock_send_trytes = Mock(return_value={
'trytes': [transaction1],
})
with patch(
'cornode.commands.extended.prepare_transfer.PrepareTransferCommand._execute',
mock_prepare_transfer,
):
with patch(
'cornode.commands.extended.send_trytes.SendTrytesCommand._execute',
mock_send_trytes,
):
response = self.command(
depth = 100,
minWeightMagnitude = 18,
seed = Seed.random(),
transfers = [
ProposedTransaction(
address =
Address(
b'9999999999999999999999999999999999999999'
b'99999999999999999999999999999999999999999'
),
value = 0,
),
],
)
bundle = response['bundle'] # type: Bundle
self.assertEqual(len(bundle), 1)
self.assertEqual(bundle[0].as_tryte_string(), transaction1)
def test_get_inclusion_states(self):
"""
Fetching inclusion states with transactions.
"""
# noinspection PyUnusedLocal
def create_generator(ag, start, step=1):
for addy in [self.addy1][start::step]:
yield addy
# The first address received cornode.
self.adapter.seed_response(
'findTransactions',
{
'duration': 42,
'hashes': [
'TESTVALUEFIVE9DONTUSEINPRODUCTION99999VH'
'YHRHJETGYCAFZGABTEUBWCWAS9WF99UHBHRHLIOFJ',
],
},
)
# For this test, we have to generate a real TryteString.
transaction_trytes =\
TryteString(
b'KMYUMNEUAYODAQSNGWTAERRRHNZBZCOLMVVOBTVWLOFYCJKYMGRAMH9RQ9MTZOSZMH'
b'QNZFHFEJEDFQ99HSUNVOTULDJGXEDULS9ZHABVDZODJUMCNWVCPNSCUVKVYWCEXBHW'
b'RBZBSWFPQLWZWMUPGQIGAEGOVE9DDXBVCIPKQYCFZFBELTSMVFSIXLPTACTKAFMCTK'
b'CPYD9BWDJMLKWAOBDSJNQYAHS9GFIQKZCROLFZJVUEIVXVNBRRLEIWTYVHURUXHSCG'
b'DKEIEGPOCXKCYWIBUG9ABYCALYJVFLBNGMS9ARHGTQXBZFLENXCJVKHPVKD9KSAEOL'
b'FFVAJCNKLDVHOCDARWUNKARDYMVKFKRSMUTYOUXSBFFYTKRREBDJZTLVUROQFCBXQN'
b'SXDDYTZTEBRSXOBMLXHJKSJAVOOVCXATOWNQDWHT9CCUAAJUJKDOQLMAEZACSNFKXZ'
b'IGWDQEUEFRZYAOSDNVMSXWYLVDAUXZSHNHAIBEMNPFUGORYUETNJK9UCEMSUJYBBDK'
b'BHIPKEINQCGOVYCPKUPJMUCUVZOJSIWYRFMFXYUVSMOUALAQBWIMXBUBXSAETGKJRP'
b'AHVAXHQJDMEVSRFYEXUSIEBKMGYCUKFD9JPGUV9AIYUVCRUURKMYUHMVE9OJCYYWTQ'
b'WUWFMTBZYFXASHHVCMSWXKBRQFHHQVEQMEULJRWZKLWFFSGGKEHUZZFNDNITSRAUH9'
b'PQK9OGLYMVBSHXQLLZHOBBIM9KVUWDLHZRDKQQVLQXGWYXEEVQPDZUO9PVXMALOMRQ'
b'VCTHGIZLILSCFKTBRESYZGBZKHXEODNDJZ9GK9ROWYXNGFHZCCBHHZEYEOGWXRGSUD'
b'SUZFUAUBXVXZHCUVJSYBWTCYCEDYKZNGWFZYKSQLW9FUYMWDVXKZEWT9SCVMQCODZK'
b'DRNKTINTPNOJOLGQJDAJMFWRFSWZJLYZGSTSIDSXLUJBZRZNLEDNBKAUNGTCYUPDRW'
b'JOCEBQ9YG9IZLLRMJITISJOTLQMOGXVQIZXHMTJVMMWM9FOIOT9KFZMANEPOEOV9HX'
b'JNEGURUKRWDGYNPVGAWMWQVABIJNL9MDXKONEPMYACOZ9BE9UZMAFTKYWPFWIQWAPK'
b'GUXQTOQVWYYVZYGQDLBIQDVOZIWGOMGOBAUARICQZVNXD9UVEFBBAJKQBHRHXTBUOW'
b'VBFKYQWZWTMMXVKZRIZUBVPQ9XHLJHFHWFZUIZVSNAKBDHDFGJCYQETOMEDTOXIUT9'
b'OAJVIHWAGTCNPEZTERMMN9EZEWSJHKQAUMXPBZTNQOEQCVXIMAAYO9NIUFLTCFIMK9'
b'9AFAGWJFA9VOFPUDJLRAMORGSUDBLWWKXEDZ9XPQUZSGANGESHKKGGQSGSYDCRLHZD'
b'PKA9HKYBKLKKCXYRQQIPXCFETJJDZYPCLUNHGBKEJDRCIHEXKCQQNOV9QFHLGFXOCR'
b'HPAFCUTPMY9NOZVQHROYJSCMGRSVMOBWADAZNFIAHWGIQUUZBOVODSFAUNRTXSDU9W'
b'EIRBXQNRSJXFRAQGHA9DYOQJGLVZUJKAQ9CTUOTT9ZKQOQNNLJDUPDXZJYPRCVLRZT'
b'UCZPNBREYCCKHK9FUWGITAJATFPUOFLZDHPNJYUTXFGNYJOBRD9BVHKZENFXIUYDTL'
b'CE9JYIIYMXMCXMWTHOLTQFKFHDLVPGMQNITEUXSYLAQULCZOJVBIPYP9M9X9QCNKBX'
b'W9DVJEQFFY9KQVMKNVTAHQVRXUKEM9FZOJLHAGEECZBUHOQFZOSPRXKZOCCKAOHMSV'
b'QCFG9CWAHKVWNA9QTLYQI9NKOSHWJCNGPJBLEQPUIWJBIOAWKLBXUCERTSL9FVCLYN'
b'ADPYTPKJOIEMAQGWBVGSRCZINXEJODUDCT9FHOUMQM9ZHRMBJYSOMPNMEAJGEHICJI'
b'PVXRKCYX9RZVT9TDZIMXGZJAIYJRGIVMSOICSUINRBQILMJOUQYXCYNJ9WGGJFHYTU'
b'LWOIPUXXFNTIFNOJRZFSQQNAWBQZOLHHLVGHEPWTKKQEVIPVWZUN9ZBICZ9DZZBVII'
b'BF9EPHARZJUFJGBQXQFQIBUECAWRSEKYJNYKNSVBCOWTFBZ9NAHFSAMRBPEYGPRGKW'
b'WTWACZOAPEOECUO9OTMGABJVAIICIPXGSXACVINSYEQFTRCQPCEJXZCY9XZWVWVJRZ'
b'CYEYNFUUBKPWCHICGJZXKE9GSUDXZYUAPLHAKAHYHDXNPHENTERYMMBQOPSQIDENXK'
b'LKCEYCPVTZQLEEJVYJZV9BWU999999999999999999999999999FFL999999999999'
b'9999999999999RJQGVD99999999999A99999999USGBXHGJUEWAUAKNPPRHJXDDMQV'
b'YDSYZJSDWFYLOQVFGBOSLE9KHFDLDYHUYTXVSFAFCOCLQUHJXTEIQRNBTLHEGJFGVF'
b'DJCE9IKAOCSYHLCLWPVVNWNESKLYAJG9FGGZOFXCEYOTWLVIJUHGY9QCU9FMZJY999'
b'9999HYBUYQKKRNAVDPVGYBTVDZ9SVQBLCCVLJTPEQWWOIG9CQZIFQKCROH9YHUCNJT'
b'SYPBVZVBNESX999999D9TARGPQTNIYRZURQGVHCAWEDRBJIIEJIUZYENVE9LLJQMXH'
b'GSUUYUCPSOWBCXVFDCHHAZUDC9LUODYWO'
)
self.adapter.seed_response(
'getTrytes',
{
'duration': 99,
'trytes': [binary_type(transaction_trytes)],
},
)
transaction = Transaction.from_tryte_string(transaction_trytes)
mock_get_bundles = Mock(return_value={
'bundles': [Bundle([transaction])],
})
mock_get_latest_inclusion = Mock(return_value={
'states': {
transaction.hash: True,
},
})
with patch(
'cornode.crypto.addresses.AddressGenerator.create_iterator',
create_generator,
):
with patch(
'cornode.commands.extended.get_bundles.GetBundlesCommand._execute',
mock_get_bundles,
):
with patch(
'cornode.commands.extended.get_latest_inclusion.GetLatestInclusionCommand._execute',
mock_get_latest_inclusion,
):
response = self.command(
seed = Seed.random(),
inclusionStates = True,
# To keep the test focused, only retrieve a single
# transaction.
start = 0,
stop = 1,
)
bundle = response['bundles'][0] # type: Bundle
self.assertTrue(bundle[0].is_confirmed)
def test_stop(self):
"""
Scanning the Tangle for all transfers, with stop index.
"""
# noinspection PyUnusedLocal
def create_generator(ag, start, step=1):
# Inject an invalid value into the generator, to ensure it is
# skipped.
for addy in [self.addy1, None][start::step]:
yield addy
# The first address received cornode.
self.adapter.seed_response(
'findTransactions',
{
'duration': 42,
'hashes': [
'TESTVALUEFIVE9DONTUSEINPRODUCTION99999VH'
'YHRHJETGYCAFZGABTEUBWCWAS9WF99UHBHRHLIOFJ',
],
},
)
self.adapter.seed_response(
'getTrytes',
{
'duration': 99,
'trytes': [''],
},
)
bundle = Bundle([
Transaction(
address = self.addy1,
timestamp = 1483033814,
# These values are not relevant to the test.
hash_ = None,
signature_message_fragment = None,
value = 42,
tag = Tag(b''),
current_index = 0,
last_index = 0,
bundle_hash = None,
trunk_transaction_hash = None,
branch_transaction_hash = None,
nonce = None,
)
])
mock_get_bundles = Mock(return_value={
'bundles': [bundle],
})
with patch(
'cornode.crypto.addresses.AddressGenerator.create_iterator',
create_generator,
):
with patch(
'cornode.commands.extended.get_bundles.GetBundlesCommand._execute',
mock_get_bundles,
):
response = self.command(seed=Seed.random(), stop=1)
self.assertDictEqual(
response,
{
'bundles': [bundle],
},
)
def test_no_stop_no_threshold(self):
"""
No ``stop`` provided, no ``threshold``.
"""
self.adapter.seed_response('getBalances', {
'balances': [42, 29],
})
# ``getInputs`` uses ``findTransactions`` to identify unused
# addresses.
# noinspection SpellCheckingInspection
self.adapter.seed_response(
'findTransactions', {
'hashes': [
TransactionHash(
b'TESTVALUE9DONTUSEINPRODUCTION99999WBL9KD'
b'EIZDMEDFPEYDIIA9LEMEUCC9MFPBY9TEVCUGSEGGN'),
],
})
# noinspection SpellCheckingInspection
self.adapter.seed_response(
'findTransactions', {
'hashes': [
TransactionHash(
b'TESTVALUE9DONTUSEINPRODUCTION99999YFXGOD'
b'GISBJAX9PDJIRDMDV9DCRDCAEG9FN9KECCBDDFZ9H'),
],
})
self.adapter.seed_response('findTransactions', {
'hashes': [],
})
# To keep the unit test nice and speedy, we will mock the address
# generator. We already have plenty of unit tests for that
# functionality, so we can get away with mocking it here.
# noinspection PyUnusedLocal
def mock_address_generator(ag, start, step=1):
for addy in [self.addy0, self.addy1, self.addy2][start::step]:
yield addy
# When ``stop`` is None, the command uses a generator internally.
with patch(
'cornode.crypto.addresses.AddressGenerator.create_iterator',
mock_address_generator,
):
response = self.command(seed=Seed.random(), )
self.assertEqual(response['totalBalance'], 71)
self.assertEqual(len(response['inputs']), 2)
input0 = response['inputs'][0]
self.assertIsInstance(input0, Address)
self.assertEqual(input0, self.addy0)
self.assertEqual(input0.balance, 42)
self.assertEqual(input0.key_index, 0)
input1 = response['inputs'][1]
self.assertIsInstance(input1, Address)
self.assertEqual(input1, self.addy1)
self.assertEqual(input1.balance, 29)
self.assertEqual(input1.key_index, 1)
def test_full_scan(self):
"""
Scanning the Tangle for all transfers.
"""
# To speed up the test, we will mock the address generator.
# :py:class:`cornode.crypto.addresses.AddressGenerator` already has
# its own test case, so this does not impact the stability of the
# codebase.
# noinspection PyUnusedLocal
def create_generator(ag, start, step=1):
for addy in [self.addy1, self.addy2][start::step]:
yield addy
# The first address received cornode.
self.adapter.seed_response(
'findTransactions',
{
'duration': 42,
'hashes': [
'TESTVALUEFIVE9DONTUSEINPRODUCTION99999VH'
'YHRHJETGYCAFZGABTEUBWCWAS9WF99UHBHRHLIOFJ',
],
},
)
# The second address is unused.
self.adapter.seed_response(
'findTransactions',
{
'duration': 1,
'hashes': [],
},
)
self.adapter.seed_response(
'getTrytes',
{
'duration': 99,
# Thankfully, we do not have to seed a realistic response for
# ``getTrytes``, as we will be mocking the ``getBundles``
# command that uses on it.
'trytes': [''],
},
)
bundle = Bundle([
Transaction(
address = self.addy1,
timestamp = 1483033814,
# These values are not relevant to the test.
hash_ = None,
signature_message_fragment = None,
value = 42,
tag = Tag(b''),
current_index = 0,
last_index = 0,
bundle_hash = None,
trunk_transaction_hash = None,
branch_transaction_hash = None,
nonce = None,
)
])
mock_get_bundles = Mock(return_value={
'bundles': [bundle],
})
with patch(
'cornode.crypto.addresses.AddressGenerator.create_iterator',
create_generator,
):
with patch(
'cornode.commands.extended.get_bundles.GetBundlesCommand._execute',
mock_get_bundles,
):
response = self.command(seed=Seed.random())
self.assertDictEqual(
response,
{
'bundles': [bundle],
},
)