def send_transaction(node_url, address, tag, messages, values):
propose_bundle = ProposedBundle()
# Setting output transaction ...
txn_output = ProposedTransaction(
address = Address(address),
value = values,
tag = Tag(tag),
message = TryteString.from_string(messages)
)
propose_bundle.add_transaction(txn_output)
propose_bundle.finalize()
trytes = propose_bundle.as_tryte_strings()
api = Iota(node_url)
# Tips
trunk_hash, branch_hash = gtta(node_url)
for tx_tryte in trytes:
# Attachment timestamp insert
timestamp = TryteString.from_trits(
trits_from_int(int(time.time() * 1000), pad=27))
tx_tryte = insert_to_trytes(2619, 2628, str(timestamp), tx_tryte)
# timestamp_lower_bound = MIN_VALUE
# timestamp_upper_bound = MAX_VALUE
tx_tryte = insert_to_trytes(2637, 2646, str("MMMMMMMMM"), tx_tryte)
# Tips insert - trunk
tx_tryte = insert_to_trytes(2430, 2511, str(trunk_hash), tx_tryte)
# Tips insert - branch
tx_tryte = insert_to_trytes(2511, 2592, str(branch_hash), tx_tryte)
# Do PoW for this transaction
tx_tryte = attach_to_tangle(node_url, trunk_hash, branch_hash, tx_tryte)
# Prepare to store and broadcast ...
try:
api.broadcast_and_store(tx_tryte)
except Exception as e:
return str("Error: %s" % (str(e)))
return str(propose_bundle.hash)
def test_wireup(self):
"""
Verify that the command is wired up correctly.
The API method indeed calls the appropiate command.
"""
with patch(
'iota.commands.extended.broadcast_and_store.BroadcastAndStoreCommand.__call__',
MagicMock(return_value='You found me!')) as mocked_command:
api = Iota(self.adapter)
# Don't need to call with proper args here.
response = api.broadcast_and_store('trytes')
self.assertTrue(mocked_command.called)
self.assertEqual(response, 'You found me!')
]).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
class IotaCache(object):
def __init__(self, uri=None, seed=None):
if not uri:
self.uri = "http://localhost:14700"
else:
self.uri = uri
if not seed:
self.seed = 'EBZYNR9YVFIOAZUPQOLRZXPPPIKRCJ9EJKVCXMYVLMNOCCOPYPJKCWUZNLJZZZZWTMVQUXZFYLVLZXJ9Q'
else:
self.seed = seed
self.api = Iota(self.uri, self.seed, testnet=True)
self.mwm = 1
self.depth = 15
def cache_txn_in_tangle_sdk(self, ipfs_addr, tag):
api_response = self.api.get_new_addresses()
addy = api_response['addresses'][0]
address = binary_type(addy).decode('ascii')
result = self.api.send_transfer(
depth=self.depth,
transfers=[
ProposedTransaction(
address=Address(address),
value=0,
tag=Tag(tag),
message=TryteString.from_string(ipfs_addr),
),
],
min_weight_magnitude=self.mwm,
)
return result
def cache_txn_in_tangle_simple(self, data, tag):
address = "JVSVAFSXWHUIZPFDLORNDMASGNXWFGZFMXGLCJQGFWFEZWWOA9KYSPHCLZHFBCOHMNCCBAGNACPIGHVYX"
txns = self.api.get_transactions_to_approve(self.depth)
tr = self.api.get_trytes([txns[u'branchTransaction']])
txn = Transaction.from_tryte_string(tr[u'trytes'][0], txns[u'branchTransaction'])
txn.trunk_transaction_hash = txns[u'trunkTransaction']
txn.branch_transaction_hash = txns[u'branchTransaction']
txn.tag = Tag(TryteString.from_string(tag))
txn.signature_message_fragment = Fragment(TryteString.from_bytes(data))
attach_trytes = attachToTangle(self.uri, txns[u'trunkTransaction'].__str__(), txns[u'branchTransaction'].__str__(), 1, txn.as_tryte_string().__str__())
res = self.api.broadcast_and_store(attach_trytes[u'trytes'])
return res
def cache_txn_in_tangle_message(self, data, tag):
#address = "JVSVAFSXWHUIZPFDLORNDMASGNXWFGZFMXGLCJQGFWFEZWWOA9KYSPHCLZHFBCOHMNCCBAGNACPIGHVYX"
address = "14dD6ygPi5WXdwwBTt1FBZK3aD8uDem1FY"
res = storeMessage(self.uri, address, data, tag)
return res
def get_balance(self, coin_type, account):
address = "JVSVAFSXWHUIZPFDLORNDMASGNXWFGZFMXGLCJQGFWFEZWWOA9KYSPHCLZHFBCOHMNCCBAGNACPIGHVYX"
res = getBalance(self.uri, address, coin_type, account)
return res
def get_approved_txns(self, tag):
ret = []
transactions = self.api.find_transactions(None, None, [tag], None)
if len(transactions['hashes']) == 0:
return ret
tips = self.api.get_tips()
states = self.api.get_inclusion_states(transactions['hashes'], tips['hashes'])
i = 0
for txn in transactions['hashes']:
if states['states'][i] is True:
ret.append(txn)
return ret
def get_non_consumed_txns(self, tag):
ret = []
txn_hashes_all = self.get_approved_txns(tag)
if len(txn_hashes_all) == 0:
return ret
txn_trytes_all = self.api.get_trytes(txn_hashes_all)
consumedSet = []
txn_hashes_consumed = self.api.find_transactions(None, None, [tag+b"CONSUMED"], None)
if len(txn_hashes_consumed['hashes']) != 0:
txn_trytes_consumed = self.api.get_trytes(txn_hashes_consumed['hashes'])
i=0
for txnTrytes in txn_trytes_consumed['trytes']:
txn = Transaction.from_tryte_string(txnTrytes, txn_hashes_consumed['hashes'][i])
i+=1
consumedSet.append(txn.signature_message_fragment)
i=0
for txnTrytes in txn_trytes_all['trytes']:
txn = Transaction.from_tryte_string(txnTrytes, txn_hashes_all[i])
i+=1
if txn.signature_message_fragment not in consumedSet:
msgTryte = txn.signature_message_fragment.decode()
ret.append(msgTryte)
return ret
def set_txn_as_synced(self, ipfs_addr, tag):
result = self.cache_txn_in_tangle_sdk(ipfs_addr, tag+b"CONSUMED")
return result
def add_neighbors(self, uris):
res = addNeighbors(self.uri, uris)
return res
def get_block_content(self, hashes):
res = getBlockContent(self.uri, hashes)
return res
def get_dag(self, dag_type):
res = getDAG(self.uri, dag_type)
return res
def get_utxo(self, dag_type):
res = getUTXO(self.uri, dag_type)
return res
def get_total_order(self):
res = getTotalOrder(self.uri)
return res
from iota import Iota
server = 'http://140.116.247.123:14267'
# another node : https://nodes.thetangle.org:443
api = Iota(server)
# print(api.get_node_info())
trytes = []
trytes.append(
'DXRNZCCBZWWLHKSLG9MTZGNEXYFGIMVTHDOHXHZYOQTGRRLOI9T9CCD9STHXBWAICFBANV9GJDFFZ9999'
)
print(api.broadcast_and_store(trytes))
host = yaml_file['nodes']['nodeA']['host']
port = yaml_file['nodes']['nodeA']['ports']['api']
api = Iota('http://{}:{}'.format(host, port))
txn = ProposedTransaction(
address = Address('KSAFREMKHHYHSXNLGZPFVHANVHVMKWSGEAHGTXZCSQMXTCZXOGBLVPCWFKVAEQYDJMQALKZRKOTWLGBSC'),
value = 0
)
bundle = ProposedBundle()
bundle.add_transaction(txn)
bundle.add_transaction(txn)
index_trytes = str(int_to_trytes(index, 9))
bundle[0]._legacy_tag = Tag(index_trytes)
finalize.finalize(bundle)
bundle_trytes = bundle.as_tryte_strings()
tips = api.get_transactions_to_approve(depth=3)
branch = tips['branchTransaction']
trunk = tips['trunkTransaction']
milestone_bundle = api.attach_to_tangle(trunk,branch, bundle_trytes,3)
api.broadcast_and_store(milestone_bundle.get('trytes'))
print("Milestone {} attached and stored: {}".format(index, milestone_bundle))
