def test_happy_path(self):
"""
Successfully promoting a bundle.
"""
self.adapter.seed_response('checkConsistency', {
'state': True,
})
result_bundle = Bundle.from_tryte_strings([
TransactionTrytes(self.trytes1),
TransactionTrytes(self.trytes2),
])
mock_send_transfer = mock.Mock(return_value={
'bundle': result_bundle,
})
with mock.patch(
'iota.commands.extended.send_transfer.SendTransferCommand._execute',
mock_send_transfer,
):
response = self.command(
transaction=self.hash1,
depth=3,
minWeightMagnitude=16,
)
self.assertDictEqual(response, {
'bundle': result_bundle,
})
async def test_happy_path_multiple_bundles(self):
"""
Get two bundles with multiple transactions.
"""
# We will fetch the same two bundle
for _ in range(2):
for txn_trytes in self.bundle_trytes:
self.adapter.seed_response('getTrytes', {
'trytes': [txn_trytes],
})
self.adapter.seed_response('getTrytes', {
'trytes': [self.spam_trytes],
})
response = await self.command(transactions = [self.tx_hash, self.tx_hash])
self.maxDiff = None
original_bundle = Bundle.from_tryte_strings(self.bundle_trytes)
self.assertListEqual(
response['bundles'][0].as_json_compatible(),
original_bundle.as_json_compatible(),
)
self.assertListEqual(
response['bundles'][1].as_json_compatible(),
original_bundle.as_json_compatible(),
)
async def _execute(self, request: dict) -> dict:
change_address: Optional[Address] = request['changeAddress']
depth: int = request['depth']
inputs: Optional[List[Address]] = request['inputs']
min_weight_magnitude: int = request['minWeightMagnitude']
seed: Seed = request['seed']
transfers: List[ProposedTransaction] = request['transfers']
reference: Optional[TransactionHash] = request['reference']
security_level: int = request['securityLevel']
pt_response = await PrepareTransferCommand(self.adapter)(
changeAddress=change_address,
inputs=inputs,
seed=seed,
transfers=transfers,
securityLevel=security_level,
)
st_response = await SendTrytesCommand(self.adapter)(
depth=depth,
minWeightMagnitude=min_weight_magnitude,
trytes=pt_response['trytes'],
reference=reference,
)
return {
'bundle': Bundle.from_tryte_strings(st_response['trytes']),
}
def _execute(self, request):
change_address = request['changeAddress'] # type: Optional[Address]
depth = request['depth'] # type: int
inputs = request['inputs'] # type: Optional[List[Address]]
min_weight_magnitude = request['minWeightMagnitude'] # type: int
seed = request['seed'] # type: Seed
transfers = request['transfers'] # type: List[ProposedTransaction]
reference = request['reference'] # type: Optional[TransactionHash]
pt_response = PrepareTransferCommand(self.adapter)(
changeAddress = change_address,
inputs = inputs,
seed = seed,
transfers = transfers,
)
st_response = SendTrytesCommand(self.adapter)(
depth = depth,
minWeightMagnitude = min_weight_magnitude,
trytes = pt_response['trytes'],
reference = reference,
)
return {
'bundle': Bundle.from_tryte_strings(st_response['trytes']),
}
def fetch_tail_transaction(self, bundle_hash):
ft_result = self.api.find_transactions(bundles=[bundle_hash])
transaction_hashes = ft_result['hashes']
gt_result = self.api.get_trytes(transaction_hashes)
bundle = Bundle.from_tryte_strings(gt_result['trytes'])
return bundle.tail_transaction.hash
def custom_attach(
trytes: List[TransactionTrytes],
mwm: int,
):
"""
Custom attach to to tangle.
Takes already attached bundle trytes, and except for the the head transaction,
updates `attachment_timestamp` and re-does the pow, resulting in a new
nonce and transaction hash.
The head transaction remains the same as in the original bundle.
"""
# Install the pow package together with pyota:
# $ pip install pyota[pow]
from pow.ccurl_interface import get_powed_tx_trytes, get_hash_trytes, \
get_current_ms
previoustx = None
# Construct bundle object
bundle = Bundle.from_tryte_strings(trytes)
# and we need the head tx first
for txn in reversed(bundle.transactions):
if (not previoustx): # this is the head transaction
# head tx stays the same, it is the original
previoustx = txn.hash
continue
#we only want to mess with tx at index 1
if txn.current_index != 1:
continue
# set any old tx so that this bundles head.trunk != tx
txn.branch_transaction_hash = 'TBLBTVTHAMPGMGQBUETQSOYHXLCDKSFRTLECTRKSTCHCEHJLCCRPGCUK9VUJNWGQCQNZCUM9IVVIOB999' # the previous transaction
txn.attachment_timestamp = get_current_ms()
# Let's do the pow locally
txn_string = txn.as_tryte_string().__str__()
# returns a python unicode string
powed_txn_string = get_powed_tx_trytes(txn_string, mwm)
# construct trytestring from python string
powed_txn_trytes = TryteString(powed_txn_string)
# compute transaction hash
hash_string = get_hash_trytes(powed_txn_string)
hash_trytes = TryteString(hash_string)
hash_ = TransactionHash(hash_trytes)
# Create powed txn object
powed_txn = Transaction.from_tryte_string(trytes=powed_txn_trytes,
hash_=hash_)
previoustx = powed_txn.hash
# put that back in the bundle
bundle.transactions[txn.current_index] = powed_txn
return bundle.as_tryte_strings()
def send_bundle(trytes):
gtta = api.get_transactions_to_approve(depth=3)
trunk = str(gtta['trunkTransaction']) # set a non-tail to fail rule 1
branch = str(gtta['branchTransaction']) #set a non-tail to fail rule 1
attached_trytes = api.attach_to_tangle(trunk, branch, trytes,
9).get('trytes')
api.broadcast_and_store(attached_trytes)
bundle = Bundle.from_tryte_strings(attached_trytes)
pprint('Bundle is:')
pprint(bundle.as_json_compatible())
return attached_trytes
async def test_validator_error(self):
"""
TraverseBundleCommand returns bundle but it is invalid.
"""
# Make the returned bundle invalid
bundle = Bundle.from_tryte_strings(self.bundle_trytes)
bundle.transactions[0].value = 999 # Unbalanced bundle
for txn in bundle.transactions:
self.adapter.seed_response('getTrytes', {
'trytes': [txn.as_tryte_string()],
})
self.adapter.seed_response('getTrytes', {
'trytes': [self.spam_trytes],
})
with self.assertRaises(BadApiResponse):
response = await self.command(transactions = [self.tx_hash])
def test_happy_path(self):
"""
Get a bundle with multiple transactions.
"""
for txn_trytes in self.bundle_trytes:
self.adapter.seed_response('getTrytes', {
'trytes': [txn_trytes],
})
self.adapter.seed_response('getTrytes', {
'trytes': [self.spam_trytes],
})
response = self.command(transactions = [self.tx_hash])
self.maxDiff = None
original_bundle = Bundle.from_tryte_strings(self.bundle_trytes)
self.assertListEqual(
response['bundles'][0].as_json_compatible(),
original_bundle.as_json_compatible(),
)
def test_wrongly_ordered_bundle(self):
"""
Supply bundle trytes in wrong order.
`attach_to_tangle` constructs a bundle object from the trytes,
that should reorder transactions in correct order based on index.
"""
wrong_bundle_trytes = []
for txn in reversed(self.bundle.as_tryte_strings()):
wrong_bundle_trytes.append(txn)
test_trytes = ccurl_interface.attach_to_tangle(wrong_bundle_trytes,
self.branch,
self.trunk,
mwm=14)
test_bundle = Bundle.from_tryte_strings(test_trytes)
validator = BundleValidator(test_bundle)
if not validator.is_valid():
raise ValueError(
'Bundle failed validation:\n{errors}'.format(errors='\n'.join(
(' - ' + e) for e in validator.errors), ), )
self.assertTrue(validator.is_valid())
def _execute(self, request):
change_address = request['changeAddress'] # type: Optional[Address]
depth = request['depth'] # type: int
inputs = request['inputs'] # type: Optional[List[Address]]
min_weight_magnitude = request['minWeightMagnitude'] # type: int
seed = request['seed'] # type: Seed
transfers = request['transfers'] # type: List[ProposedTransaction]
pt_response = PrepareTransferCommand(self.adapter)(
changeAddress = change_address,
inputs = inputs,
seed = seed,
transfers = transfers,
)
st_response = SendTrytesCommand(self.adapter)(
depth = depth,
minWeightMagnitude = min_weight_magnitude,
trytes = pt_response['trytes'],
)
return {
'bundle': Bundle.from_tryte_strings(st_response['trytes']),
}
https://github.com/iotaledger/wiki/blob/master/multisigs.md#how-m-of-n-works For this example, the structure of the bundle looks like this: - Transaction 0: Spend IOTAs. - Transactions 1-8: Transactions that will hold the signature fragments for the multisig input: - 1-3: Generated from ``digest_1`` (security level 3). - 4-6: Generated from ``digest_2`` (security level 3). - 7-8: Generated from ``digest_3`` (security level 2). Note that transactions 1-8 don't have signatures yet; we need the corresponding private keys in order to create those! """ bundle = Bundle.from_tryte_strings(prepared_trytes) # Note that we must use the same parameters that we provided to the # ``get_digests`` method, in order to generate the correct value to # sign the input! gpk_result = api_1.get_private_keys(index=0, count=1, security_level=3) private_key_1 = gpk_result['keys'][0] # type: PrivateKey private_key_1.sign_input_transactions(bundle, 1) gpk_result = api_2.get_private_keys(index=42, count=1, security_level=3) private_key_2 = gpk_result['keys'][0] # type: PrivateKey private_key_2.sign_input_transactions(bundle, 4) gpk_result = api_3.get_private_keys(index=8, count=1, security_level=2) private_key_3 = gpk_result['keys'][0] # type: PrivateKey private_key_3.sign_input_transactions(bundle, 7)
]).get('trytes')
gtta_response = api.get_transactions_to_approve(3)
trunk = gtta_response.get('trunkTransaction')
branch = gtta_response.get('branchTransaction')
attached_original_trytes = api.attach_to_tangle(trunk, branch,
original_trytes).get('trytes')
# So we have the original bundle attached, time to construct the new one
# We need to re-attach, but take special care, so we dont use the api, rather we do it ourself
re_attached_trytes = custom_attach(attached_original_trytes, 9)
original_bundle = Bundle.from_tryte_strings(attached_original_trytes)
re_attached_bundle = Bundle.from_tryte_strings(re_attached_trytes)
pprint('Original bundle is:')
pprint(original_bundle.as_json_compatible())
pprint('Reattached bundle is:')
pprint(re_attached_bundle.as_json_compatible())
#api.broadcast_and_store(attached_original_trytes)
api.broadcast_and_store(re_attached_trytes)
# bundles
# BJRYHWKLREEUQCAZSUQFDNQAIL9LFRBZVEFFWPQZ99GNKATZBUZKFJYJIRYTFBPPESFJYDQRAYHNHH9LW good
# UYBVN9EZKNA9KGGCSILJJGRTNGI9ZHVIUEYB9VXZXHLKZBTFGPHGJPJ9OHCUILSRBAA9XYSDKIXHYVLJW bad
def test_multiple_transactions(self):
"""
Getting a bundle that contains multiple transactions.
"""
bundle = Bundle.from_tryte_strings([
TransactionTrytes(
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999WUQXEGBVIECGIWO9IGSYKWWPYCIVUJJGSJPWGIAFJPYSF9NSQOHWAHS9P'
b'9PWQHOBXNNQIF9IRHVQXKPZW999999999999999999999999999XZUIENOTTBKJMDP'
b'RXWGQYG9PWGTHNLFMVD99A99999999A99999999PDQWLVVDPUU9VIBODGMRIAZPGQX'
b'DOGSEXIHKIBWSLDAWUKZCZMK9Z9YZSPCKBDJSVDPRQLJSTKUMTNVSXBGUEHHGAIWWQ'
b'BCJZHZAQOWZMAIDAFUZBVMUVPWQJLUGGQKNKLMGTWXXNZKUCBJLEDAMYVRGABAWBY9'
b'999MYIYBTGIOQYYZFJBLIAWMPSZEFFTXUZPCDIXSLLQDQSFYGQSQOGSPKCZNLVSZ9L'
b'MCUWVNGEN9EJEW9999XZUIENOTTBKJMDPRXWGQYG9PWGTXUO9AXMP9FLMDRMADLRPW'
b'CZCJBROYCDRJMYU9HDYJM9NDBFUPIZVTR'),
# Well, it was bound to happen sooner or later... the ASCII
# representation of this tryte sequence contains a very naughty
# phrase. But I don't feel like doing another POW, so... enjoy.
TransactionTrytes(
b'NBTCPCFDEACCPCBDVC9DTCQAJ9RBTC9D9DCDQAEAKDCDFD9DSCFAJ9VBCDJDTCQAJ9'
b'ZBMDYBCCKB99999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999999999999999999'
b'999999999999999999999999999999999999999999999999999SYRABNN9JD9PNDL'
b'IKUNCECUELTOHNLFMVD99999999999A99999999PDQWLVVDPUU9VIBODGMRIAZPGQX'
b'DOGSEXIHKIBWSLDAWUKZCZMK9Z9YZSPCKBDJSVDPRQLJSTKUMTNVSXFSEWUNJOEGNU'
b'I9QOCRFMYSIFAZLJHKZBPQZZYFG9ORYCRDX9TOMJPFCRB9R9KPUUGFPVOWYXFIWEW9'
b'999BGUEHHGAIWWQBCJZHZAQOWZMAIDAFUZBVMUVPWQJLUGGQKNKLMGTWXXNZKUCBJL'
b'EDAMYVRGABAWBY9999SYRABNN9JD9PNDLIKUNCECUELTOQZPSBDILVHJQVCEOICFAD'
b'YKZVGMOAXJRQNTCKMHGTAUMPGJJMX9LNF'),
])
for txn in bundle:
self.adapter.seed_response('getTrytes', {
'trytes': [txn.as_tryte_string()],
})
self.adapter.seed_response(
'getTrytes', {
'trytes': [
'SPAMSPAMSPAM999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999JECDITWO9999999'
'999999999999ONLFMVD99999999999999999999VVCHSQSRVFKSBONDWB9EAQEMQOY'
'YRBIZHTBJLYNAVDHZPUZAZ9LYHXWKBEJ9IPR9FAMFLT9EEOHVYWUPRHHSRCILCLWFD'
'GBYBFFOKMCSAPVD9VGZZRRGBLGMZMXD9RMZQDBLMGN9BATWZGULRBCYQEIKIRBPHC9'
'999KTLTRSYOWBD9HVNP9GCUABARNGMYXUZKXWRPGOPETZLKYYC9Z9EYXIWVARUBMBM'
'BPXGORN9WPBLY99999ZRBVQWULRFXDNDYZKRKIXPZQT9JJJH9FZU9PVWZJWLXBPODP'
'EHMKTTAGEPLPHUQCZNLDSHERONOMHJCOI'
],
})
response = self.command(transaction=TransactionHash(
b'TOYJPHKMLQNDVLDHDILARUJCCIUMQBLUSWPCTIVA'
b'DRXICGYDGSVPXFTILFFGAPICYHGGJ9OHXINFX9999'), )
self.maxDiff = None
self.assertListEqual(
response['bundles'][0].as_json_compatible(),
bundle.as_json_compatible(),
)
https://github.com/iotaledger/wiki/blob/master/multisigs.md#how-m-of-n-works For this example, the structure of the bundle looks like this: - Transaction 0: Spend IOTAs. - Transactions 1-8: Transactions that will hold the signature fragments for the multisig input: - 1-3: Generated from ``digest_1`` (security level 3). - 4-6: Generated from ``digest_2`` (security level 3). - 7-8: Generated from ``digest_3`` (security level 2). Note that transactions 1-8 don't have signatures yet; we need the corresponding private keys in order to create those! """ bundle = Bundle.from_tryte_strings(prepared_trytes) # Note that we must use the same parameters that we provided to the # ``get_digests`` method, in order to generate the correct value to # sign the input! gpk_result = api_1.get_private_keys(index=0, count=1, security_level=3) private_key_1 = gpk_result['keys'][0] # type: PrivateKey private_key_1.sign_input_transactions(bundle, 1) gpk_result = api_2.get_private_keys(index=42, count=1, security_level=3) private_key_2 = gpk_result['keys'][0] # type: PrivateKey private_key_2.sign_input_transactions(bundle, 4) gpk_result = api_3.get_private_keys(index=8, count=1, security_level=2) private_key_3 = gpk_result['keys'][0] # type: PrivateKey private_key_3.sign_input_transactions(bundle, 7)
async def test_unspent_inputs_with_change_address(self):
"""
The bundle has unspent inputs, so it uses the provided change
address.
"""
self.adapter.seed_response(
command=GetBalancesCommand.command,
response={
'balances': [101],
'duration': 86,
},
)
pmt_result =\
await self.command(
transfers = [
ProposedTransaction(
address = Address(self.trytes_1),
value = 42,
),
],
multisigInput =
MultisigAddress(
digests = [self.digest_1, self.digest_2],
trytes = self.trytes_2,
),
changeAddress = Address(self.trytes_3),
)
bundle = Bundle.from_tryte_strings(pmt_result['trytes'])
self.assertEqual(len(bundle), 6)
# Spend Transaction
txn_1 = bundle[0]
self.assertEqual(txn_1.address, self.trytes_1)
self.assertEqual(txn_1.value, 42)
# Input 1, Part 1 of 4
txn_2 = bundle[1]
self.assertEqual(txn_2.address, self.trytes_2)
self.assertEqual(txn_2.value, -101)
self.assertEqual(txn_2.signature_message_fragment, Fragment(b''))
# Input 1, Part 2 of 4
txn_3 = bundle[2]
self.assertEqual(txn_3.address, self.trytes_2)
self.assertEqual(txn_3.value, 0)
self.assertEqual(txn_3.signature_message_fragment, Fragment(b''))
# Input 1, Part 3 of 4
txn_4 = bundle[3]
self.assertEqual(txn_4.address, self.trytes_2)
self.assertEqual(txn_4.value, 0)
self.assertEqual(txn_4.signature_message_fragment, Fragment(b''))
# Input 1, Part 4 of 4
txn_5 = bundle[4]
self.assertEqual(txn_5.address, self.trytes_2)
self.assertEqual(txn_5.value, 0)
self.assertEqual(txn_5.signature_message_fragment, Fragment(b''))
# Change
txn_6 = bundle[5]
self.assertEqual(txn_6.address, self.trytes_3)
self.assertEqual(txn_6.value, 59)
async def test_happy_path(self):
"""
Preparing a bundle with a multisig input.
"""
self.adapter.seed_response(
command=GetBalancesCommand.command,
response={
'balances': [42],
# Would it be cheeky to put "7½ million years" here?
'duration': 86,
},
)
pmt_result =\
await self.command(
transfers = [
ProposedTransaction(
address = Address(self.trytes_1),
value = 42,
),
],
multisigInput =
MultisigAddress(
digests = [self.digest_1, self.digest_2],
trytes = self.trytes_2,
),
)
# The command returns the raw trytes. This is useful in a
# real-world scenario because trytes are easier to transfer between
# each entity that needs to apply their signature.
#
# However, for purposes of this test, we will convert the trytes
# back into a bundle so that we can inspect the end result more
# easily.
bundle = Bundle.from_tryte_strings(pmt_result['trytes'])
#
# This bundle looks almost identical to what you would expect from
# :py:meth:`iota.api.Iota.prepare_transfer`, except:
# - There are 4 inputs (to hold all of the signature fragments).
# - The inputs are unsigned.
#
self.assertEqual(len(bundle), 5)
# Spend Transaction
txn_1 = bundle[0]
self.assertEqual(txn_1.address, self.trytes_1)
self.assertEqual(txn_1.value, 42)
# Input 1, Part 1 of 4
txn_2 = bundle[1]
self.assertEqual(txn_2.address, self.trytes_2)
self.assertEqual(txn_2.value, -42)
self.assertEqual(txn_2.signature_message_fragment, Fragment(b''))
# Input 1, Part 2 of 4
txn_3 = bundle[2]
self.assertEqual(txn_3.address, self.trytes_2)
self.assertEqual(txn_3.value, 0)
self.assertEqual(txn_3.signature_message_fragment, Fragment(b''))
# Input 1, Part 3 of 4
txn_4 = bundle[3]
self.assertEqual(txn_4.address, self.trytes_2)
self.assertEqual(txn_4.value, 0)
self.assertEqual(txn_4.signature_message_fragment, Fragment(b''))
# Input 1, Part 4 of 4
txn_5 = bundle[4]
self.assertEqual(txn_5.address, self.trytes_2)
self.assertEqual(txn_5.value, 0)
self.assertEqual(txn_5.signature_message_fragment, Fragment(b''))
def execute(self, api, **arguments):
# type: (Iota, ...) -> int
channel_key_index = arguments['channel_key_index'] # type: int
count = arguments['count'] # type: int
depth = arguments['depth'] # type: int
dry_run = arguments['dry_run'] # type: bool
mam_encrypt_path = arguments['mam_encrypt_path'] # type: Text
min_weight_magnitude = arguments['min_weight_magnitude'] # type: int
message_encoding = arguments['message_encoding'] # type: Text
message_file = arguments['message_file'] # type: Optional[Text]
security_level = arguments['security_level'] # type: int
start = arguments['start'] # type: int
if message_file:
with codecs.open(
message_file, 'r',
message_encoding) as f_: # type: codecs.StreamReaderWriter
message = f_.read()
else:
self.stdout.write(
'Enter message to send. Press Ctrl-D on a blank line when done.\n\n',
)
message = self.stdin.read().strip()
self.stdout.write('\n')
# Generating the encrypted message may take a little while, so we
# should provide some feedback to the user so that they know that
# their input is being processed (this is especially important if
# the user typed in their message, so that they don't press ^D
# again, thinking that the program didn't register the first one).
self.stdout.write('Encrypting message...\n')
proc =\
run(
args = [
# mam_encrypt.js
mam_encrypt_path,
# Required arguments
binary_type(api.seed),
message,
# Options
'--channel-key-index', text_type(channel_key_index),
'--start', text_type(start),
'--count', text_type(count),
'--security-level', text_type(security_level),
],
check = True,
stdout = PIPE,
stderr = self.stderr,
)
# The output of the JS script is a collection of transaction
# trytes, encoded as JSON.
filter_ =\
f.FilterRunner(
starting_filter =
f.Required
| f.Unicode
| f.JsonDecode
| f.Array
| f.FilterRepeater(
f.ByteString(encoding='ascii')
| Trytes(result_type=TransactionTrytes)
),
incoming_data = proc.stdout,
)
if not filter_.is_valid():
self.stderr.write(
'Invalid output from {mam_encrypt_path}:\n'
'\n'
'Output:\n'
'{output}\n'
'\n'
'Errors:\n'
'{errors}\n'.format(
errors=pformat(filter_.get_errors(with_context=True)),
mam_encrypt_path=mam_encrypt_path,
output=proc.stdout,
), )
return 2
transaction_trytes = filter_.cleaned_data # type: List[TransactionTrytes]
bundle = Bundle.from_tryte_strings(transaction_trytes)
if dry_run:
self.stdout.write('Transactions:\n\n')
self.stdout.write(json.dumps(bundle, cls=JsonEncoder, indent=2))
else:
api.send_trytes(
depth=depth,
trytes=transaction_trytes,
min_weight_magnitude=min_weight_magnitude,
)
self.stdout.write('Message broadcast successfully!\n')
self.stdout.write(
'Bundle ID: {bundle_hash}\n'.format(
bundle_hash=bundle.hash, ), )
return 0
def setUpClass(self):
# This is a valid bundle taken from the Tangle
self.bundle = Bundle.from_tryte_strings([
TransactionTrytes(
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999GTSOCZLYYATDVK9FYRZXRFEHYUWTSXNALBGHO9T9GHANN'
'9YTJIZHOBWZHYSLDRTIVSYRRBUJZFUKWVNJAJSNA99999999999999999999999FBNGLE9BE'
'AT9CYCLUX999999999RFAVOBD99999999999B99999999BGNBAIUZAHWWAIHAWHXIDGYQYKI'
'LEWDCBQXYBNQBFNPOIICLCJKHSX9KLPECYBGWW9CGILRKTVEYTL99AAVSD99RCNCYGIVIRVI'
'TNVOVQNQE9RFJIRAXCEXQEHEXQEKFXSDQVBQGJQWBRTRSAUPMXJLMFKUJKZ9999UIBLZWXJQ'
'DMZCPEQRLSFYJLEPIFTOCY9ODVKIYAMXMKYKHFWKEHNGLVKEYDGR9GOXWWNXLOCQFD999999'
'TANGLE9BEAT9CYCLUX999999999FIAMTJGOF999999999MMMMMMMMMZCJOZALASXIERYTDLY'
'WMZTJF9HQ'),
TransactionTrytes(
'9PTKKTOZFZBKCJTYHMKZZDRHCOYXHOTDQY9ALYIBNGD9UDPTUKPHJBORIICRNLDTECKLGPOGE'
'VQIVFHIYI9UUYWYEKGRDDGAAXD9EMFSKX9TDWGGPKTIXBCWQKPERPUIRYEEYXYPXGHBSRGQAH'
'ZOIBPERAWSCMIFJZGYAFQ9XBVYDXVJAXXX9XPTXJTSDMJSLNCBACGQ9CHVCYMEKOKSEBRUGTX'
'KMU9HLWRNWOZJGIOIKLPZEHDZKCQXFDMYOA9DRK9CJVRQSWZSDUWDCXWFPZIL9PJDQUQNMMBM'
'STGMOFCXKKCRZKDCRCBYSVDSKXTDKFBYIRVSTIVHGWTBFRGNNAYXZBVNSZDQDQRSJBNMBRZTG'
'VDWYAHHFEMSWF9CLSZPQYKFD9MOIR9CUZCPQAGBZSPSCRHSYVDKX9ZVEQONHOO9EAAHZSTHAW'
'SLSVI9HSOYKIGDWSKXCHHPFXMKCIBEASGQXHEIGOAETCBLHWPUBSLMELCUVARTPHGOG9BEQTM'
'NHA9MJHCRVNKXZTZTMEMSHFKJMWNBXLBLMVJDONO9JDYALFCBQ9GELAXSOEGOLNCPYGSKWRFF'
'IZNUGVHECQKRIZ9NTCPAXEKIAZLTXCBM9PJCOKSFDL99YPEVKOMWEXED9IAAOVPZLLFBZHVAM'
'DXEXCAZBGKWVQCXPFSEUNTPYVSLPEYKCTTGPVBSXQYFVWFUCGYLARMB9HA9PTRXAXKEOQLVXQ'
'TTHYZEXSOLFSEHMVJ9QOLMBGFHPTEQAYDZWSAPADJSSHTBWOZGVSLLPTMOLFZWUQFVKJZQPMZ'
'T9QACMCOEKJVWBOSKQHUTGLHAWMQHPDHCZEDKVUTYVMZCSMR9YPLRJGLUNTRGSEXLNBYJXLAR'
'MWWAWVPLZXYAYACMJCNYWISCHBMQAAMGTCFOZN9OZCITSFGBUJVERM9FRYHJYVKXLBALTHKWM'
'JMECDKGPKNWFWNHXAFQ9UEWBTUJADYFFMD9WAWE9PYEZIHGO9DSRBLLHCKIIVLHRPYR9UIYRN'
'VDYAL9Y9AEPVYOKBEDXJDYYBKEOLOAZCNLSBOULLOHEYAAJBZDNTNKVULUSUAME9LTAIEEUJV'
'QRVFXSDDTNDMNRSLAXKZTRCAGLIDVJJVGEJWSGDIH9HGVHDKLXVEEFTHAMLSUVEDMMVSDRPOI'
'UJTSNZJVMGBCFZYOMUSARYNXTRMFVMZOCZYPTBSOZUXXSYBRKKLZEAQDPNGLYAKAWTSEJKLBK'
'NASQQPZAB9MKOUZN9TO9ZYUVSTAPWGTMGO9ZARUWBVQT9ZLHAYEVJM9FNJCQNSBIRZ9AIXZEX'
'N9QMLPZBHTVNVKRPIXMQIA9OAWQFPNHMXOOPEUJQCKXZQOOYLMMJXXQAIVHRLGDKLGBOSKERQ'
'ZYNQOTVJW9IKMWZSORHMXFNOLSR9SIKBNTOANAZBGPGIPVVIFYWTUMATZAJPMUGYVITWCBBSQ'
'RVAY9MXJCECVTYASSAVUGKKQBDXYVWLTSL9HCAD9NUEWEHQXQUCDJC9WPVAZEDLTGTLZXUUOH'
'WCEUXCDYHATVRSJXJNLWCPEOENOBLXHTDOXSQCIDSEOHZHWBAYJV9ALDOBYMLXKNUQYQTEYAW'
'ZFSWGQOAHFXHZDBNCJDIJXRJDGRIOPCLPGPLG9AVFGQQBWPKNJROPIQDLXHNDGWGZOVBXHRBP'
'JQ9YHIJ9MNJFFLDTVLXJA9EBVPGVIAIHCDDHHTNX9KZARELDIZVQYUQGCPPCRTU9CDUXCVBYZ'
'RAUJDUMGGTKKOFQQTEGXRQKYPQTGHBGRCJ9IENKLNBIZNRSPVQ9VBKQLCG9YPYBEKJEYNAIDJ'
'PHABZJXBWHZLMADR9SDEWICFGRRTVAGZYCMJ9CANUSGIUKKHWUSWBQIBC9TXONXYDURJJWWE9'
'FKPPRWEJVWVJVKFKLMD9HCYASRUYCZPKM9VUCLOUVBYSMWIRFYJMTNOYXNKLNDWZJSRRZKLQL'
'YCODRSAKLMIRSPFYOANY9DUCYZYLEXDTGEJAKUDFWZNEGIBLMXZTW9OKF9SQGNNMHMUWIICFX'
'LFQMSLLSVJIMDEEWGOG9PDAPTZCRAL9TJRFPIOPMSFJOTLPRMEOUWGLTTXODGD9LSDJBTKX9Y'
'9JNNIYNERDRQWJGICGHUFJCMGBBUZWLHQJUSUMUXNWRNIVHSFSRGMBMO9VTBGBBFOMHGNZQYI'
'OIIITMJDZLCJGNUWRJPJKOSSKRLUMGDXNRZFUFTZTSKXEZOCHUEWBONL9OBRYNWLPKSGCFE9W'
'TBVEXQHMZ99999999999999999999999999999999999999999999999999RFAVOBD99A9999'
'9999B99999999BGNBAIUZAHWWAIHAWHXIDGYQYKILEWDCBQXYBNQBFNPOIICLCJKHSX9KLPEC'
'YBGWW9CGILRKTVEYTL99AYUMYMXIZRU9IIWNDROROZOINKOLXPOFCRZZTXAWDXUKVV9LMEMNG'
'HYZUMAPCESBINZGITBMIOQYX99999UIBLZWXJQDMZCPEQRLSFYJLEPIFTOCY9ODVKIYAMXMKY'
'KHFWKEHNGLVKEYDGR9GOXWWNXLOCQFD999999999999999999999999999999999ZS9MTJGOF'
'999999999MMMMMMMMMMJVAHLRNJKJGTOLKSKNZWBTJNQP'),
TransactionTrytes(
'M9STFJDJXSROWSPZTZXDYCWQDOQPBPAGATRY9SOXIXJOQL99OMWXPNXKCKJHHRPGWEDBLT9EO'
'IBTFDKZYXFMELEBQABMPIXUKYZKONEQESB9XHXYMQBULQVQLEEPHCZSFSMJKDGKEDRVBKLFKZ'
'JFNKLZWQPMTQGJKWQNAN9NQRKGWHEMIVZNODTNQNPXOTISDNWT9WZKC9DGLYWHUD9EQ9VTZRF'
'YUYU9BDHZULDGNUGUOUUXQTXZJVCBPZWYVTBEWVUJAOCZVNUJNMSMSVN9CPXWDSFCMRSWAMLP'
'AJRAEGSCOPLWYEGWPKKSXYJSBNLGMBLDEQ9NQEM9XDCSYZLUHLLEICKFHBFPIYDNGEZJEJXBE'
'9HJGFRMHAHNXIGDDZRPAOTUZPEEUGLZYDEJYIYFCMOUNRLZFBYC9BDPWUVIR9DE9QGBEPVMDL'
'J9HUDJMGVDQNIDQQTCRXLCPNSLZXSUUPNKUCDHKWCMQ9HPVWXSZXKGXCDKX9BXNOFDUYUBBGD'
'DOJEZISFJLFUMKJJHXNBMLUWZWBQ9QDITUUZWHFEXQVAAKBUEXCO9XFBPAD9IKEODAPALAGSG'
'XFDLORKHCXSPINKO9HSJF9BXUIBRXNUX9APPTPIUYXVVWIYXGARPKDYNEGQXPWYCRAPZMZYKW'
'ICPYJWUEBIBPTXNJTBSSQDFKH9ZFQXNNH9MUTVKEYQIYOJTLFJLAQOFZFIVMTHESCNDLGXZXA'
'OWHXPEDVVBFJHIKCNFGPLUZQBYVRRMYCIAJOOJINAHSATUVCLQNMOAERIAJESBZOABTMBMJVQ'
'DVBMLDBBONGRW9QJUAXS9LQWRRKH9PLQUEVUDHWRZFP9FPYSWOQQRINOCHSJYPVKEUQPDOHXQ'
'WZFKOLZFXYQF9WDHKTHBVMACJMNUVYFLDBCCCHKTBJINNBPKVXYTVLVGADMYEYVLYROARFBWE'
'ATEIHEENZVRNOJRJYIMQJRAOFKUWSDKFTNNDTLCFHXQNRFEUFJN9GFFJXWDPKIQUQBXDARMRK'
'LSGUSATHVZMJSXFTWIJPCWNG9UWDGQYUGPMSGJSZBCSUPAKQKIHP9EGIXNRNMDGUVJNVMW9RL'
'TOHXUXI9UZTCRLVMMREWFSRUOBKFVQYH9PUVOWATYNDULLZ9RCBHDUVNJDMOJETQ9H9RKOSQF'
'XEVDVVJNZZSMFMLLQJTYXAALRIHQJWDCZYFZBLODYGYUP9XGPZVILG9WBGOVVYRUTHDGF9TRZ'
'GSFIYHAAAGXJTJKRG9ZYBFDSRQPQAOIJHDENVQAPJMBLOIVUZIGHMVXHBKZOFUJVEWCZJNCTS'
'TDEPQTYCPGGG9ZEDEYTSDBOMLOO9QO9LMJKNRXHLWNJUOLVNGXMLNHXZVKTRJGDD9CERBOTKR'
'EDGEGUQDBFIKPYPOXXF9KLYAX9SDCCDTCFULSOZRYJSORRZUUN9CCNRQKTCDCOGIYHAHWYBUX'
'EYVIJTGXCPGIGBFQWOTJX9APYNDCPQ9FSNXUZF9MDRLZIJSYDGYKBQGWTQLEKZSATDKVWFFMH'
'QNTMNWWJNBKVGI9QDXYYWOFAKI9OZRBOWMZZHLXUJQKIICFTBZAHUTZFIZIAUO9CWSTYMGZPO'
'PBKIO9ZYNSRHXCCIMKD9SPDQNXALFLNTXWVVYDAFHWLD9YSDGGRQJUBWZXQHVULYVDON9WADY'
'XPEVAGKTXIUTDRMLE9TTKD9TSHXFHQSOLHOCQ9SYWJWTOC99GAKHRSREJKHCBLYSHPOEYJNYX'
'IYNSQITTFSMKFL9HRNEKDZSJSYEBJACGTVBRVQGUREAYZEIQQIGWVRWIWSDGBRLAMPKQGZCEO'
'JPHANGFVYRXZJCDO9MGKBPYPQYVHQWDJVSUKA9VGLJELXFJKTNMQYZYGBHNFLGETZ9SWLDRNO'
'OUCAWNFOTBFICNEQJNPAZABLPOR99DPWTZZWLIRA9MFPXXHMJL9QWVJOAPYA9REAHBATJYJYJ'
'DYAGCKFDRSVTXMFFIBDPIBXBINGXTWMM9PSRVAKQEEQGRDJNOHKJDCCFBZZRLIVXPGEZYAV9G'
'CUGCATAQLMSOABNYLSNSTRPOGIRMKCGDDITKO9TEVOWPRGQHJDYWPZTZ9RVLPWGFDZOZICSUZ'
'AUPZJVTXCMUEADAKPZMNOTHLMGDJKTQWJQBK9TIGUTLDWYEPNDLJLDDYHQUWNLLH9MJUFAQYI'
'OIIITMJDZLCJGNUWRJPJKOSSKRLUMGDXNRZFUFTZTSKXEZOCHUEWBONL9OBRYNWLPKSGCFE9W'
'TBVEX999999999999999999999999999999999999999999999999999999RFAVOBD99B9999'
'9999B99999999BGNBAIUZAHWWAIHAWHXIDGYQYKILEWDCBQXYBNQBFNPOIICLCJKHSX9KLPEC'
'YBGWW9CGILRKTVEYTL99AUIBLZWXJQDMZCPEQRLSFYJLEPIFTOCY9ODVKIYAMXMKYKHFWKEHN'
'GLVKEYDGR9GOXWWNXLOCQFD999999IFJ9JLPZON9CZJWMKJWPMUWHKOYTUOSBWQYCTCGBXAJG'
'T9KRVDDLBCNXFYKRXDEKJYQMTAMYJXJRA9999999999999999999999999999999BGYMTJGOF'
'999999999MMMMMMMMMOGZMHCGFJIGGC9JYILNUCHZSDGV')
])
self.single_tx_bundle = Bundle.from_tryte_strings([
TransactionTrytes(
'VBCDFDTCADEAXCDDGDIDADEASCCD9DCDFDEAGDXCHDEAPCADTCHDQAEARCCDBDGDTCRCHDTCH'
'DIDFDEAPCSCXCDDXCGDRCXCBDVCEATC9DXCHDSAEASBBDEABDCDBDEA9DXCQCTCFDCDEAXCSC'
'EABDXCQCWCEAUCPCRCXC9DXCGDXCGDEAXCADDDTCFDSCXCTCHDEATCIDEAGDTCSCEAGDPCDDX'
'CTCBDSAEABCTCSCEASCXCVCBDXCGDGDXCADEA9DXCVCID9DPCEAXCBDEATCGDHDEAADPC9DTC'
'GDIDPCSCPCEA9DCDQCCDFDHDXCGDSAEAOBHDXCPCADEAJDPCFDXCIDGDEAADCD9DTCGDHDXCT'
'CEABDID9D9DPCEADDFDTCHDXCIDADEAHDXCBDRCXCSCIDBDHDSAEAXBPCADEAJDTCWCXCRCID'
'9DPCEA9DPCRCXCBDXCPCEA9DXCQCTCFDCDSAEAMBIDFDPCQCXCHDIDFDEAXCBDEACDFDBDPCF'
'DTCEA9DTCCDSAEAMBFDPCGDEATCIDEASCCD9DCDFDEAEDIDXCGDEAHDCDFDHDCDFDEAXCADDD'
'TCFDSCXCTCHDEAPC9DXCEDIDTCHDSAEANBCDBDTCRCEAPCEAHDTC9D9DIDGDEATCFDPCHDSAE'
'AXBIDBDRCEAXCSCEAXCPCRCID9DXCGDEASCIDXCSA99999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999MZW'
'YYLQNAKEWITJSJZJCPFZWMEYGOVYOKUZYUWMUDLGAAAHTBYNQQNGHLUMSGZNQCJCHOULIZSDC'
'ATEXD999999999999999999999999999VHURLINTERFACE9TEST9TX999999KGVOBD9999999'
'9999999999999DLWTLGSTHZKRDSIRWCZ9HCJWNUJBKTWHCBZGRIFTASCTBIBZZNNWFVGHEGJB'
'EWWXKRFOXD9GLTXPFGRBY9999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999999999999999999999999999999999999999'
'9999999999999999999999999999999999999CCURLINTERFACE9TEST9TX99999999999999'
'999999999999999999999999999999999999999999999')
])
self.trunk = TransactionHash('TRUNKTXHASH9TESTVALUEONLY')
self.branch = TransactionHash('BRANCHTXHASH9TESTVALUEONLY')
# Result is reused accross tests, no need to calculate it
# multiple times.
# Mock away current time calculation, timestamps are imaginary from
# this point on.
self.before = 99
with patch('pow.ccurl_interface.get_current_ms',
MagicMock(return_value=100)):
self.powed = ccurl_interface.attach_to_tangle(
self.bundle.as_tryte_strings(),
self.branch,
self.trunk,
mwm=14)
self.after = 101
self.powed_bundle = Bundle.from_tryte_strings(self.powed)
def attach_to_tangle(
bundle_trytes, # Iterable[TryteString]
trunk_transaction_hash, # TransactionHash
branch_transaction_hash, # TransactionHash
mwm=14): # Int
"""
Attaches the bundle to the Tangle by doing Proof-of-Work
locally. No connection to the Tangle is needed in this step.
:param bundle_trytes:
List of TryteString(s) that contain raw transaction trytes.
:param trunk_transaction_hash:
Trunk transaction hash obtained from an iota node.
Result of the tip selection process.
:param branch_transaction_hash:
Branch transaction hash obtained from an iota node.
Result of the tip selection process.
:param mwm:
Minimum Weight Magnitude to be used during the PoW.
Number of trailing zero trits in transaction hash.
:returns:
The bundle as a list of transaction trytes (TryteStrings).
Attachment timestamp and nonce included.
"""
previoustx = None
# Construct bundle object
bundle = Bundle.from_tryte_strings(bundle_trytes)
# reversed, beause pyota bundles look like [...tx2,tx1,tx0]
# and we need the tail tx first (tx0)
for txn in reversed(bundle.transactions):
txn.attachment_timestamp = get_current_ms()
txn.attachment_timestamp_upper_bound = (math.pow(3, 27) - 1) // 2
if (not previoustx): # this is the tail transaction
if txn.current_index == txn.last_index:
txn.branch_transaction_hash = branch_transaction_hash
txn.trunk_transaction_hash = trunk_transaction_hash
else:
raise ValueError('Tail transaction is inconsistent in bundle')
else: # It is not a tail transaction
txn.branch_transaction_hash = trunk_transaction_hash
txn.trunk_transaction_hash = previoustx # the previous transaction
# Let's do the pow locally
txn_string = txn.as_tryte_string().__str__()
# returns a python unicode string
powed_txn_string = get_powed_tx_trytes(txn_string, mwm)
# construct trytestring from python string
powed_txn_trytes = TryteString(powed_txn_string)
# compute transaction hash
hash_string = get_hash_trytes(powed_txn_string)
hash_trytes = TryteString(hash_string)
hash_ = TransactionHash(hash_trytes)
# Create powed txn object
powed_txn = Transaction.from_tryte_string(trytes=powed_txn_trytes,
hash_=hash_)
previoustx = powed_txn.hash
# put that back in the bundle
bundle.transactions[txn.current_index] = powed_txn
return bundle.as_tryte_strings()
def attach_to_tangle(
bundle_trytes, # Iterable[TryteString]
trunk_transaction_hash, # TransactionHash
branch_transaction_hash, # TransactionHash
mwm=14): # Int
"""
Attaches the bundle to the Tangle by doing Proof-of-Work
locally. No connection to the Tangle is needed in this step.
:param bundle_trytes:
List of TryteString(s) that contain raw transaction trytes.
:param trunk_transaction_hash:
Trunk transaction hash obtained from an iota node.
Result of the tip selection process.
:param branch_transaction_hash:
Branch transaction hash obtained from an iota node.
Result of the tip selection process.
:param mwm:
Minimum Weight Magnitude to be used during the PoW.
Number of trailing zero trits in transaction hash.
:returns:
The bundle as a list of transaction trytes (TryteStrings).
Attachment timestamp and nonce included.
"""
previoustx = None
# Construct bundle object
bundle = Bundle.from_tryte_strings(bundle_trytes)
# Used for checking hash
trailing_zeros = [0] * mwm
# reversed, beause pyota bundles look like [tx0,tx1,...]
# and we need the head (last) tx first
for txn in reversed(bundle.transactions):
# Ccurl lib sometimes needs a kick to return the correct powed trytes.
# We can check the correctness by examining trailing zeros of the
# transaction hash. If that fails, we try calculating the pow again.
# Use `max_iter` to prevent infinite loop. Calculation error appears
# rarely, and usually the second try yields correct result. If we reach
# `max_iter`, we raise a ValueError.
max_iter = 5
i = 0
# If calculation is successful, we break out from the while loop.
while i != max_iter:
# Fill timestamps
txn.attachment_timestamp = get_current_ms()
txn.attachment_timestamp_upper_bound = (math.pow(3, 27) - 1) // 2
# Determine correct trunk and branch transaction
if (not previoustx): # this is the head transaction
if txn.current_index == txn.last_index:
txn.branch_transaction_hash = branch_transaction_hash
txn.trunk_transaction_hash = trunk_transaction_hash
else:
raise ValueError(
'Head transaction is inconsistent in bundle')
else: # It is not the head transaction
txn.branch_transaction_hash = trunk_transaction_hash
txn.trunk_transaction_hash = previoustx # the previous transaction
# Let's do the pow locally
txn_string = txn.as_tryte_string().__str__()
# returns a python unicode string
powed_txn_string = get_powed_tx_trytes(txn_string, mwm)
# construct trytestring from python string
powed_txn_trytes = TryteString(powed_txn_string)
# Create powed txn object
# This method calculates the hash for the transaction
powed_txn = Transaction.from_tryte_string(trytes=powed_txn_trytes)
previoustx = powed_txn.hash
# put that back in the bundle
bundle.transactions[txn.current_index] = powed_txn
# Check for inconsistency in hash
hash_trits = powed_txn.hash.as_trits()
if hash_trits[-mwm:] == trailing_zeros:
# We are good to go, exit from while loop
break
else:
i = i + 1
logger.info(
'Ooops, wrong hash detected in try'
' #{rounds}. Recalculating pow... '.format(rounds=i))
# Something really bad happened
if i == max_iter:
raise with_context(
exc=ValueError(
'PoW calculation failed for {max_iter} times.'
' Make sure that the transaction is valid: {tx}'.format(
max_iter=max_iter, tx=powed_txn.as_json_compatible())),
context={
'original': txn,
},
)
return bundle.as_tryte_strings()
def search_hash(type, hash):
result = None
if type == "tag" or type == "search":
try:
result = api.find_transactions(tags=[hash])
if result['hashes'][0]:
return "tag", result['hashes']
except BaseException as e:
result = e
if type == "address" or type =="search":
try:
result = api.find_transactions(addresses=[hash])
if result['hashes'][0]:
balance = get_price(api.get_balances([hash])['balances'][0])
tx = api.get_trytes(result['hashes'])['trytes']
for num in range(len(tx)):
tx[num] = Transaction.from_tryte_string(tx[num])
confirm = confirmation([element.hash for element in tx])
for t in tx:
t.is_confirmed = confirm[t.hash]
t.timestamp = calculate_time(t.attachment_timestamp/1000)
t.value = get_convert(t.value)
tx = sorted(tx, key=lambda k: k.attachment_timestamp, reverse=True)
results = {'balance':balance, 'transactions':tx}
return "address", results
except BaseException as e:
result = e
if type == "transaction" or type =="search":
try:
tx = api.get_trytes(hashes=[hash])
result = Transaction.from_tryte_string(tx['trytes'][0])
if result.hash != TransactionHash(b''):
result.timestamp = calculate_time(result.attachment_timestamp/1000)
result.is_confirmed = confirmation([result.hash])[result.hash]
result.value = get_price(result.value)
return "transaction", result
except BaseException as e:
result = e
if type == "bundle" or type =="search":
try:
result = api.find_transactions(bundles=[hash])['hashes']
if result[0]:
results = Bundle.from_tryte_strings(api.get_trytes(result)['trytes'])
if True in confirmation(result).values():
results.is_confirmed = True
for result in results:
result.value = get_convert(result.value)
newlis = sorted(results, key=lambda k: k.attachment_timestamp, reverse=True)
size = newlis[0].last_index+1
newlist = [newlis[i:i+size] for i in range(0, len(newlis), size)]
for x in newlist:
x[0].timestamp = calculate_time(x[0].attachment_timestamp/1000)
return "bundle", newlist
except BaseException as e:
result = e
return "error", str(result)
def execute(self, api, **arguments):
# type: (Iota, ...) -> int
channel_key_index = arguments['channel_key_index'] # type: int
count = arguments['count'] # type: int
depth = arguments['depth'] # type: int
dry_run = arguments['dry_run'] # type: bool
mam_encrypt_path = arguments['mam_encrypt_path'] # type: Text
min_weight_magnitude = arguments['min_weight_magnitude'] # type: int
message_encoding = arguments['message_encoding'] # type: Text
message_file = arguments['message_file'] # type: Optional[Text]
security_level = arguments['security_level'] # type: int
start = arguments['start'] # type: int
if message_file:
with codecs.open(message_file, 'r', message_encoding) as f_: # type: codecs.StreamReaderWriter
message = f_.read()
else:
self.stdout.write(
'Enter message to send. Press Ctrl-D on a blank line when done.\n\n',
)
message = self.stdin.read().strip()
self.stdout.write('\n')
# Generating the encrypted message may take a little while, so we
# should provide some feedback to the user so that they know that
# their input is being processed (this is especially important if
# the user typed in their message, so that they don't press ^D
# again, thinking that the program didn't register the first one).
self.stdout.write('Encrypting message...\n')
proc =\
run(
args = [
# mam_encrypt.js
mam_encrypt_path,
# Required arguments
binary_type(api.seed),
message,
# Options
'--channel-key-index', text_type(channel_key_index),
'--start', text_type(start),
'--count', text_type(count),
'--security-level', text_type(security_level),
],
check = True,
stdout = PIPE,
stderr = self.stderr,
)
# The output of the JS script is a collection of transaction
# trytes, encoded as JSON.
filter_ =\
f.FilterRunner(
starting_filter =
f.Required
| f.Unicode
| f.JsonDecode
| f.Array
| f.FilterRepeater(
f.ByteString(encoding='ascii')
| Trytes(result_type=TransactionTrytes)
),
incoming_data = proc.stdout,
)
if not filter_.is_valid():
self.stderr.write(
'Invalid output from {mam_encrypt_path}:\n'
'\n'
'Output:\n'
'{output}\n'
'\n'
'Errors:\n'
'{errors}\n'.format(
errors = pformat(filter_.get_errors(with_context=True)),
mam_encrypt_path = mam_encrypt_path,
output = proc.stdout,
),
)
return 2
transaction_trytes = filter_.cleaned_data # type: List[TransactionTrytes]
bundle = Bundle.from_tryte_strings(transaction_trytes)
if dry_run:
self.stdout.write('Transactions:\n\n')
self.stdout.write(json.dumps(bundle, cls=JsonEncoder, indent=2))
else:
api.send_trytes(
depth = depth,
trytes = transaction_trytes,
min_weight_magnitude = min_weight_magnitude,
)
self.stdout.write('Message broadcast successfully!\n')
self.stdout.write(
'Bundle ID: {bundle_hash}\n'.format(
bundle_hash = bundle.hash,
),
)
return 0
def setUp(self) -> None:
# Need two valid bundles
super().setUp()
self.adapter = MockAdapter()
self.single_bundle = Bundle.from_tryte_strings([
TransactionTrytes(
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999POALVTTGQHJFGINKJ9'
'EWRJZBQLLWMMNMNRUT9VFWDDMDWHPJMNDOFZXUQUABGCXZRH9OI9NWEUSHVYXDO'
'999999999999999999999999999C99999999999999999999999999RIGEHBD99'
'999999999999999999RPCKQTYDOV9IYVYYALBTBLHRFCLFMTCC9ZLOKKGENTDFY'
'COKFUITXUIUJLBNWAEKBJKBYDSRLVHSGELCCCZGNHCYEAKJ9OPRZFIBYEEBTRFT'
'QTWJUKRDKNSEESICPJRTDNZQQYNXOFVXI9CPRNBO9APJMEXATA9999CZGNHCYEA'
'KJ9OPRZFIBYEEBTRFTQTWJUKRDKNSEESICPJRTDNZQQYNXOFVXI9CPRNBO9APJM'
'EXATA9999C99999999999999999999999999FQFFNIHPF999999999MMMMMMMMM'
'BCDJOVFVODAQEPAXIWDRFKCTOFI')
])
self.three_tx_bundle = Bundle.from_tryte_strings(([
TransactionTrytes(
'PBXCFDGDHDEAHDFDPCBDGDPCRCHDXCCDBDEAXCBDEAHDWCTCEAQCIDBDSC9DTCS'
'A99999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999M9OVNPOWKUNQYDHFN9'
'YAL9WIQJDVAFKBU9ZPIHSGTZLGFJODRZINZMDALS9ERTNAJ9VTENWYLBSYALQQL'
'999999999999999999999999999EYOTA9TESTS9999999999999999BOPIHBD99'
'999999999B99999999JWFDGHYGEQIKSPCWEAHHQACOYHQWINSA9GELCEZNQEUHV'
'DH9UAYJVSTIIKW9URTHHIJYGWXGE9AEWISYWZSLPKSJETGKZEQVPISQSNDHIAXQ'
'RZVFJXFOXZAVMRUGALCQRHUEZPDFNLCIKQGWEKDJURLZLMUZVA99999BSJCSWTG'
'RTJSGZPOXRPICUDATCLCVTF9BEDHSZZRLSH9IRMTFRVAMSSHC9TRYZGHPWRDVTX'
'EXWTZ9999PYOTA9TESTS9999999999999999OSZRBMHPF999999999MMMMMMMMM'
'IVL9PTSTAIRGJLGXFQGIWOJHBKF'),
TransactionTrytes(
'BCTCRCCDBDSCEAHDFDPCBDGDPCRCHDXCCDBDEAXCBDEAHDWCTCEAQCIDBDSC9DT'
'CSA999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999LSTTHILAJWQEXWVOJQ'
'GRANRLNHQLKYXVQFBYJ9QDFRISQR9WJYMSSZUBOCVLXF9TACHKGQUEGMJPICXVY'
'999999999999999999999999999PYOTA9TESTS9999999999999999BOPIHBD99'
'A99999999B99999999JWFDGHYGEQIKSPCWEAHHQACOYHQWINSA9GELCEZNQEUHV'
'DH9UAYJVSTIIKW9URTHHIJYGWXGE9AEWISYWQQAWNWHDSGZWFTKTYSV99PJIFFM'
'OPFWONAOTRBUEDGLORTHNMXM9EZNILYEIWCQIAVMAGDBHYWWOA99999BSJCSWTG'
'RTJSGZPOXRPICUDATCLCVTF9BEDHSZZRLSH9IRMTFRVAMSSHC9TRYZGHPWRDVTX'
'EXWTZ9999PYOTA9TESTS9999999999999999EMSRBMHPF999999999MMMMMMMMM'
'NXTVOIJXAAJUS9SRVJEVDVOSIUE'),
TransactionTrytes(
'CCWCXCFDSCEAHDFDPCBDGDPCRCHDXCCDBDEAXCBDEAHDWCTCEAQCIDBDSC9DTCS'
'A99999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999999999999999999999'
'999999999999999999999999999999999999999999999FSXLFSGAHTGSFPK9FH'
'HURWZJAWQDQCRIFUHMSZWUTNRAIDNGEHGPHLNJOEAIDGLYQRCYSCYDTBZQFDGQK'
'999999999999999999999999999PYOTA9TESTS9999999999999999BOPIHBD99'
'B99999999B99999999JWFDGHYGEQIKSPCWEAHHQACOYHQWINSA9GELCEZNQEUHV'
'DH9UAYJVSTIIKW9URTHHIJYGWXGE9AEWISYW9BSJCSWTGRTJSGZPOXRPICUDATC'
'LCVTF9BEDHSZZRLSH9IRMTFRVAMSSHC9TRYZGHPWRDVTXEXWTZ99999BSJCSWTG'
'RTJSGZPOXRPICUDATCLCVTF9BEDHSZZRLSH9IRMTFRVAMSSHC9TRYZGHPWRDVTX'
'EXWTZ9999PYOTA9TESTS9999999999999999LUSRBMHPF999999999MMMMMMMMM'
'BOCWSYQAKMZXDR9ZPHXTXZORELC'),
]))
def _reattach(self, bundle: Bundle) -> Bundle:
response = self._iota_api.replay_bundle(
bundle.tail_transaction.hash,
DEPTH,
)
return Bundle.from_tryte_strings(response['trytes'])