def create_transaction_object_and_send_sign_req(idx, receiver_user_id, ref_txids=None, file_data=None):
if ref_txids is None or ref_txids[0] is None:
ref_txids = []
txobj = bbclib.make_transaction(relation_num=1, witness=True)
bbclib.add_relation_asset(txobj, relation_idx=0, asset_group_id=asset_group_id,
user_id=receiver_user_id, asset_body="transferred", asset_file=file_data)
txobj.witness.add_witness(user_ids[idx])
txobj.witness.add_witness(receiver_user_id)
for i, ref_txid in enumerate(ref_txids):
clients[idx].search_transaction(ref_txid)
response_data = clients[idx].callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
print("ERROR: ", response_data[KeyType.reason].decode())
sys.exit(0)
prev_tx, fmt_type = bbclib.deserialize(response_data[KeyType.transaction_data])
bbclib.add_relation_pointer(txobj, 0, ref_transaction_id=prev_tx.digest())
sig_mine = txobj.sign(private_key=keypairs[idx].private_key, public_key=keypairs[idx].public_key)
txobj.witness.add_signature_object(user_id=user_ids[idx], signature=sig_mine)
asset_id = txobj.relations[0].asset.asset_id
asset_files = {asset_id: file_data}
ret = clients[idx].gather_signatures(txobj, destinations=[receiver_user_id], asset_files=asset_files)
assert ret
return txobj
def test_06_transaction_with_relation_and_witness(self):
print("\n-----", sys._getframe().f_code.co_name, "-----")
transaction1 = bbclib.make_transaction(relation_num=1, witness=True)
bbclib.add_relation_asset(transaction1,
relation_idx=0,
asset_group_id=asset_group_id,
user_id=user_id,
asset_body=b'ccccc')
bbclib.add_relation_pointer(transaction1,
0,
ref_transaction_id=transaction2.digest())
transaction1.witness.add_witness(user_id)
transaction1.witness.add_witness(user_id2)
sig = transaction1.sign(private_key=keypair2.private_key,
public_key=keypair2.public_key)
if sig is None:
print(bbclib.error_text)
assert sig
transaction1.witness.add_signature(user_id=user_id2, signature=sig)
sig = transaction1.sign(private_key=keypair1.private_key,
public_key=keypair1.public_key)
if sig is None:
print(bbclib.error_text)
assert sig
transaction1.witness.add_signature(user_id=user_id, signature=sig)
print(transaction1)
def test_10_store_file(self):
print("\n-----", sys._getframe().f_code.co_name, "-----")
# -- first file store by user_0
store_transaction = bbclib.make_transaction(relation_num=1,
witness=True)
bbclib.add_relation_asset(store_transaction,
relation_idx=0,
asset_group_id=asset_group_id,
user_id=user_ids[0],
asset_body="Owner is 0",
asset_file=large_data)
store_transaction.witness.add_witness(user_ids[0])
sig = store_transaction.sign(private_key=keypairs[0].private_key,
public_key=keypairs[0].public_key)
store_transaction.get_sig_index(user_ids[0])
store_transaction.add_signature(user_id=user_ids[0], signature=sig)
store_transaction.digest()
print(store_transaction)
global transaction_id, asset_id
transaction_id = store_transaction.transaction_id
asset_id = store_transaction.relations[0].asset.asset_id
clients[0].insert_transaction(store_transaction)
response_data = clients[0].callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
print("ERROR: ", response_data[KeyType.reason].decode())
assert False
time.sleep(1)
def store_proc(asset_body,
asset_file,
asset_group_id,
domain_id,
key_pair,
user_id,
txid=None):
bbc_app_client = setup_bbc_client(domain_id, user_id)
store_transaction = bbclib.make_transaction(relation_num=1, witness=True)
bbclib.add_relation_asset(store_transaction,
relation_idx=0,
asset_group_id=asset_group_id,
user_id=user_id,
asset_body=asset_body,
asset_file=asset_file)
store_transaction.witness.add_witness(user_id)
if txid:
bbc_app_client.search_transaction(txid)
response_data = bbc_app_client.callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
return None, None, "ERROR: %s" % response_data[
KeyType.reason].decode()
prev_tx, fmt_type = bbclib.deserialize(
response_data[KeyType.transaction_data])
keypair = bbclib.KeyPair(privkey=key_pair.private_key,
pubkey=key_pair.public_key)
if not keypair.verify(prev_tx.transaction_id,
prev_tx.signatures[0].signature):
return None, None, "ERROR: Signature or keypair is invalid."
bbclib.add_relation_pointer(transaction=store_transaction,
relation_idx=0,
ref_transaction_id=prev_tx.transaction_id)
sig = store_transaction.sign(private_key=key_pair.private_key,
public_key=key_pair.public_key)
store_transaction.get_sig_index(user_id)
store_transaction.add_signature_object(user_id=user_id, signature=sig)
store_transaction.digest()
print(store_transaction)
ret = bbc_app_client.insert_transaction(store_transaction)
assert ret
response_data = bbc_app_client.callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
return None, None, "ERROR: %s" % response_data[KeyType.reason].decode()
transaction_id = response_data[KeyType.transaction_id]
asset_ids = store_transaction.relations[0].asset.asset_id
return asset_ids, transaction_id, None
def make_transaction(user_id, keypair):
txobj = bbclib.make_transaction(relation_num=1, witness=True)
bbclib.add_relation_asset(txobj,
relation_idx=0,
asset_group_id=asset_group_id,
user_id=user_id,
asset_body="data=%d" % random.randint(1, 10000),
asset_file=asset_file_content)
txobj.witness.add_witness(user_id)
txobj.add_signature(user_id, keypair=keypair)
txobj.digest()
return txobj
def test_20_make_transaction(self):
print("\n-----", sys._getframe().f_code.co_name, "-----")
user = clients[0]['user_id']
kp = clients[0]['keypair']
global start_from, transactions1
transactions1[0] = bbclib.make_transaction(relation_num=1,
witness=True)
bbclib.add_relation_asset(transactions1[0],
relation_idx=0,
asset_group_id=asset_group_id,
user_id=user,
asset_body=b'transaction1_0')
transactions1[0].witness.add_witness(user)
sig = transactions1[0].sign(keypair=kp)
transactions1[0].witness.add_signature(user, sig)
start_from = transactions1[0].timestamp
print("timestamp: %d" % transactions1[0].timestamp)
for i in range(1, 20):
time.sleep(0.5)
k = i - 1
transactions1[i] = bbclib.make_transaction(relation_num=1,
witness=True)
bbclib.add_relation_asset(transactions1[i],
0,
asset_group_id=asset_group_id,
user_id=user,
asset_body=b'transaction1_%d' % i)
bbclib.add_relation_pointer(
transactions1[i],
0,
ref_transaction_id=transactions1[k].transaction_id,
ref_asset_id=transactions1[k].relations[0].asset.asset_id)
transactions1[i].witness.add_witness(user)
sig = transactions1[i].sign(keypair=kp)
transactions1[i].witness.add_signature(user, sig)
print("timestamp: %d" % transactions1[i].timestamp)
clients[0]['app'].insert_transaction(transactions1[i])
dat = clients[0]['app'].callback.synchronize()
assert KeyType.transaction_id in dat
assert dat[
KeyType.transaction_id] == transactions1[i].transaction_id
def store_proc(file, txid=None):
with open(file, "rb") as fin:
data = fin.read()
bbc_app_client = setup_bbc_client()
store_transaction = bbclib.make_transaction(relation_num=1, witness=True)
user_info = "Owner is %s" % user_name
bbclib.add_relation_asset(store_transaction,
relation_idx=0,
asset_group_id=asset_group_id,
user_id=user_id,
asset_body=user_info,
asset_file=data)
store_transaction.witness.add_witness(user_id)
if txid:
bbc_app_client.search_transaction(txid)
response_data = bbc_app_client.callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
print("ERROR: ", response_data[KeyType.reason].decode())
sys.exit(0)
prev_tx, fmt_type = bbclib.deserialize(
response_data[KeyType.transaction_data])
bbclib.add_relation_pointer(transaction=store_transaction,
relation_idx=0,
ref_transaction_id=prev_tx.transaction_id)
sig = store_transaction.sign(private_key=key_pair.private_key,
public_key=key_pair.public_key)
store_transaction.get_sig_index(user_id)
store_transaction.add_signature_object(user_id=user_id, signature=sig)
store_transaction.digest()
print(store_transaction)
ret = bbc_app_client.insert_transaction(store_transaction)
assert ret
response_data = bbc_app_client.callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
print("ERROR: ", response_data[KeyType.reason].decode())
sys.exit(0)
store_id_mappings(os.path.basename(file),
asset_group_id,
transaction_id=response_data[KeyType.transaction_id],
asset_ids=store_transaction.relations[0].asset.asset_id)
def generate_transaction(user_id, previous_txid):
"""
Generate a transaction object
:param user_id:
:param previous_txid:
:return:
"""
if previous_txid is not None:
print(previous_txid.hex())
# create a frame of transaction
txobj = bbclib.make_transaction(relation_num=1, witness=True)
# build asset body, which is the main data body you want to register in the bbc_core
asset_body_dict = {
"item_a": 1000,
"item_b": "xxxx",
"item_c": binascii.a2b_hex("0123456789")
}
asset_body_data = msgpack.dumps(
asset_body_dict
) # in this example, messagepack is used to transform the body data into binary format
# create relation object (BBcRelation) with asset and put the object into the transaction
bbclib.add_relation_asset(txobj,
relation_idx=0,
asset_group_id=asset_group_id,
user_id=user_id,
asset_body=asset_body_data)
# if previous_txid is not None, set BBcPointer to the relation object
if previous_txid is not None:
bbclib.add_relation_pointer(txobj, 0, ref_transaction_id=previous_txid)
# add witness to include signature of the user
txobj.witness.add_witness(user_id)
# sign to the transaction
keypair = read_keypair_file()
signature_obj = txobj.sign(private_key=keypair.private_key,
public_key=keypair.public_key)
txobj.witness.add_signature(user_id=user_id, signature=signature_obj)
txobj.digest()
return txobj
def test_02_make_transaction(self):
print("\n-----", sys._getframe().f_code.co_name, "-----")
user = clients[0]['user_id']
kp = clients[0]['keypair']
transactions1[0] = bbclib.make_transaction(relation_num=1, witness=True, format_type=fmt)
bbclib.add_relation_asset(transactions1[0], relation_idx=0, asset_group_id=asset_group_id,
user_id=user, asset_body=b'transaction1_0')
transactions1[0].witness.add_witness(user)
sig = transactions1[0].sign(keypair=kp)
transactions1[0].witness.add_signature(user, sig)
transactions2[0] = bbclib.make_transaction(event_num=1, witness=True, format_type=fmt)
transactions2[0].events[0].add(mandatory_approver=user)
bbclib.add_event_asset(transactions2[0], event_idx=0, asset_group_id=asset_group_id,
user_id=user, asset_body=b'transaction2_0')
transactions2[0].witness.add_witness(user)
sig = transactions2[0].sign(keypair=kp)
transactions2[0].witness.add_signature(user_id=user, signature=sig)
for i in range(1, 20):
k = i - 1
transactions1[i] = bbclib.make_transaction(relation_num=1, witness=True, format_type=fmt)
bbclib.add_relation_asset(transactions1[i], 0, asset_group_id=asset_group_id, user_id=user,
asset_body=b'transaction1_%d' % i)
bbclib.add_relation_pointer(transactions1[i], 0, ref_transaction_id=transactions1[k].transaction_id,
ref_asset_id=transactions1[k].relations[0].asset.asset_id)
transactions1[i].witness.add_witness(user)
sig = transactions1[i].sign(keypair=kp)
transactions1[i].witness.add_signature(user, sig)
transactions2[i] = bbclib.make_transaction(event_num=1, witness=True, format_type=fmt)
transactions2[i].events[0].add(mandatory_approver=user)
bbclib.add_event_asset(transactions2[i], event_idx=0, asset_group_id=asset_group_id,
user_id=user, asset_body=b'transaction2_%d' % i)
transactions2[i].witness.add_witness(user)
bbclib.add_reference_to_transaction(transactions2[i], asset_group_id, transactions2[k], 0)
sig = transactions2[i].sign(keypair=kp)
transactions2[i].witness.add_signature(user_id=user, signature=sig)
if i == 9:
bbclib.add_reference_to_transaction(transactions2[i], asset_group_id, transactions2[5], 0)
sig = transactions2[i].sign(keypair=kp)
transactions2[i].references[0].add_signature(user_id=user, signature=sig)
def create_transaction_object_for_filedata(receiver_name, receiver_user_id, ref_txids=None, file_data=None,
bbc_app_client=None):
if ref_txids is None or ref_txids[0] is None:
ref_txids = []
transaction = bbclib.make_transaction(relation_num=1, witness=True)
user_info_msg = "Ownership is transfered from %s to %s" % (user_name, receiver_name)
bbclib.add_relation_asset(transaction, relation_idx=0, asset_group_id=asset_group_id,
user_id=receiver_user_id, asset_body=user_info_msg, asset_file=file_data)
transaction.witness.add_witness(user_id)
transaction.witness.add_witness(receiver_user_id)
for i, ref_txid in enumerate(ref_txids):
bbc_app_client.search_transaction(ref_txid)
response_data = bbc_app_client.callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
print("ERROR: ", response_data[KeyType.reason].decode())
sys.exit(0)
prev_tx = bbclib.BBcTransaction(deserialize=response_data[KeyType.transaction_data])
bbclib.add_relation_pointer(transaction, 0, ref_transaction_id=prev_tx.digest())
asset_id = transaction.relations[0].asset.asset_id
asset_files = {asset_id: file_data}
ret = bbc_app_client.gather_signatures(transaction, destinations=[receiver_user_id], asset_files=asset_files)
if not ret:
print("Failed to send sign request")
sys.exit(0)
response_data = bbc_app_client.callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
print("Rejected because ", response_data[KeyType.reason].decode(), "")
sys.exit(0)
result = response_data[KeyType.result]
transaction.witness.add_signature(user_id=result[1], signature=result[2])
sig_mine = transaction.sign(key_type=bbclib.KeyType.ECDSA_SECP256k1, private_key=key_pair.private_key,
public_key=key_pair.public_key)
transaction.witness.add_signature(user_id=user_id, signature=sig_mine)
transaction.digest()
return transaction
def send_signreq(receiver_name,
receiver_user_id,
ref_txids=None,
file_data=None,
bbc_app_client=None):
transaction = bbclib.make_transaction(relation_num=1, witness=True)
user_info_msg = "Ownership is transfered from %s to %s" % (user_name,
receiver_name)
bbclib.add_relation_asset(transaction,
relation_idx=0,
asset_group_id=asset_group_id,
user_id=receiver_user_id,
asset_body=user_info_msg,
asset_file=file_data)
transaction.witness.add_witness(user_id)
transaction.witness.add_witness(receiver_user_id)
for i, ref_txid in enumerate(ref_txids):
bbc_app_client.search_transaction(ref_txid)
response_data = bbc_app_client.callback.synchronize()
if response_data[KeyType.status] < ESUCCESS:
print("ERROR: ", response_data[KeyType.reason].decode())
sys.exit(0)
prev_tx, fmt_type = bbclib.deserialize(
response_data[KeyType.transaction_data])
bbclib.add_relation_pointer(transaction,
0,
ref_transaction_id=prev_tx.digest())
asset_id = transaction.relations[0].asset.asset_id
asset_files = {asset_id: file_data}
ret = bbc_app_client.gather_signatures(transaction,
destinations=[receiver_user_id],
asset_files=asset_files)
if not ret:
print("Failed to send sign request")
sys.exit(0)
return transaction
