def validate_proof(proof: List[dict], hex_target_hash: str, hex_merkle_root: str, is_big_endian: bool = False):
if is_big_endian:
hex_merkle_root = NeoData.to_reserve_hex_str(hex_merkle_root)
hex_target_hash = NeoData.to_reserve_hex_str(hex_target_hash)
if len(proof) == 0:
return hex_target_hash == hex_merkle_root
else:
hex_proof_hash = hex_target_hash
for node in proof:
if is_big_endian:
sibling = NeoData.to_reserve_hex_str(node['TargetHash'])
else:
sibling = node['TargetHash']
try:
direction = node['Direction'].lower()
except KeyError:
raise SDKException(ErrorCode.other_error('Invalid proof'))
if direction == 'left':
value = bytes.fromhex('01' + sibling + hex_proof_hash)
hex_proof_hash = Digest.sha256(value, is_hex=True)
elif direction == 'right':
value = bytes.fromhex('01' + hex_proof_hash + sibling)
hex_proof_hash = Digest.sha256(value, is_hex=True)
else:
raise SDKException(ErrorCode.other_error('Invalid proof.'))
return hex_proof_hash == hex_merkle_root
def test_dict_in_ctx(self):
hex_contract_address = '6690b6638251be951dded8c537678200a470c679'
bool_value = True
int_value = 100
str_value = 'value3'
dict_value = {'key': 'value'}
list_value = [1, 10, 1024, [1, 10, 1024, [1, 10, 1024]]]
dict_msg = {
'key': dict_value,
'key1': int_value,
'key2': str_value,
'key3': bool_value,
'key4': list_value
}
func = NeoInvokeFunction('testMapInMap')
func.set_params_value(dict_msg)
tx_hash = sdk.rpc.send_neo_vm_transaction(hex_contract_address, None,
acct1, self.gas_price,
self.gas_limit, func, False)
time.sleep(randint(10, 15))
event = sdk.rpc.get_contract_event_by_tx_hash(tx_hash)
states = Event.get_states_by_contract_address(event,
hex_contract_address)
states[0] = NeoData.to_utf8_str(states[0])
self.assertEqual('mapInfo', states[0])
states[1] = NeoData.to_dict(states[1])
self.assertTrue(isinstance(states[1], dict))
def test_bigint_to_neo_bytes(self):
value_list = [9175052165852779861, -9175052165852779861, 9199634313818843819, -9199634313818843819, 8380656,
-8380656, 8446192, -8446192, 0]
for value in value_list:
neo_bytearray = NeoData.big_int_to_neo_bytearray(value)
self.assertTrue(isinstance(neo_bytearray, bytearray))
neo_value = NeoData.neo_bytearray_to_big_int(neo_bytearray)
self.assertEqual(value, neo_value)
def test_invoke_transaction(self):
"""
from dna.interop.System.Runtime import Notify
def main(operation, args):
if operation == 'hello':
return hello(args[0])
return False
def hello(msg):
Notify(["hello", msg])
return msg
"""
avm_code = '51c56b6c58c56b6a00527ac46a51527ac46a52527ac46a51c30568656c6c6f7d9c7c756427' \
'00006a53527ac46a52c300c3516a53c3936a53527ac46a53c36a00c365f2006c7566620300' \
'006c75660111c56b6a00527ac46a51527ac46a51c300947600a0640c00c16a52527ac4620e' \
'007562030000c56a52527ac46a52c3c0517d9c7c75641c00006a53527ac46a52c300c36a54' \
'527ac4516a55527ac4625c006a52c3c0527d9c7c756421006a52c300c36a53527ac46a52c3' \
'51c36a54527ac4516a55527ac4616232006a52c3c0537d9c7c756424006a52c300c36a5352' \
'7ac46a52c351c36a54527ac46a52c352c36a55527ac462050000f100c176c96a56527ac46a' \
'53c36a57527ac46a57c36a54c37d9f7c756419006a56c36a57c3c86a57c36a55c3936a5752' \
'7ac462e0ff6a56c36c756656c56b6a00527ac46a51527ac46a52527ac46203000568656c6c' \
'6f6a52c352c176c9681553797374656d2e52756e74696d652e4e6f746966796a52c36c7566'
contract_address = sdk.neo_vm.address_from_avm_code(avm_code).hex()
self.assertEqual('f7b9970fd6def5229c1f30ad15372bd1c20bb260',
contract_address)
hello = NeoInvokeFunction('hello')
hello.set_params_value('dna')
tx = sdk.neo_vm.make_invoke_transaction(contract_address, hello,
acct1.get_address_base58(),
500, 20000)
response = sdk.rpc.send_raw_transaction_pre_exec(tx)
self.assertEqual(1, response['State'])
response['Result'] = NeoData.to_utf8_str(response['Result'])
self.assertEqual('dna', response['Result'])
tx.sign_transaction(acct1)
tx_hash = sdk.rpc.send_raw_transaction(tx)
sleep(10)
for _ in range(5):
try:
event = sdk.rpc.get_contract_event_by_tx_hash(tx_hash)
if isinstance(event, dict) and event.get('Notify', '') != '':
notify = Event.get_notify_by_contract_address(
event, contract_address)
self.assertEqual(contract_address,
notify['ContractAddress'])
self.assertEqual('hello',
NeoData.to_utf8_str(notify['States'][0]))
self.assertEqual('dna',
NeoData.to_utf8_str(notify['States'][1]))
break
except SDKException:
continue
sleep(2)
def query_revoke_event(self, tx_hash: str):
event = self._sdk.default_network.get_contract_event_by_tx_hash(
tx_hash)
notify = Event.get_notify_by_contract_address(
event, self.__hex_contract_address)
if len(notify['States']) == 4:
notify['States'][0] = NeoData.to_utf8_str(notify['States'][0])
notify['States'][1] = NeoData.to_b58_address(notify['States'][1])
notify['States'][2] = NeoData.to_utf8_str(notify['States'][2])
notify['States'][3] = NeoData.to_hex_str(notify['States'][3])
return notify
async def test_get_storage(self):
hex_contract_address = '0100000000000000000000000000000000000000'
key = '746f74616c537570706c79'
storage = await sdk.websocket.get_storage(hex_contract_address, key)
await sdk.websocket.close_connect()
value = NeoData.to_int(storage)
self.assertEqual(1000000000, value)
async def query_transfer_from_event(self, tx_hash: str):
event = await self._sdk.default_aio_network.get_contract_event_by_tx_hash(
tx_hash)
notify = Event.get_notify_by_contract_address(event,
self._contract_address)
notify = NeoData.parse_addr_addr_int_notify(notify)
return notify
async def test_subscribe(self):
hex_contract_address = '1ddbb682743e9d9e2b71ff419e97a9358c5c4ee9'
oep4 = sdk.neo_vm.aio_oep4(hex_contract_address)
response = await sdk.websocket.subscribe(hex_contract_address, True, False, False, False)
self.assertEqual([hex_contract_address], response['ContractsFilter'])
self.assertEqual(True, response['SubscribeEvent'])
self.assertEqual(False, response['SubscribeJsonBlock'])
self.assertEqual(False, response['SubscribeRawBlock'])
b58_to_address = acct2.get_address_base58()
value = 10
tx_hash = await oep4.transfer(acct1, b58_to_address, value, acct3, 500, 20000)
self.assertEqual(64, len(tx_hash))
try:
event = await asyncio.wait_for(sdk.websocket.recv_subscribe_info(), timeout=10)
self.assertEqual(False, response['SubscribeBlockTxHashs'])
self.assertEqual(64, len(event['TxHash']))
notify = Event.get_notify_by_contract_address(event, hex_contract_address)
notify = NeoData.parse_addr_addr_int_notify(notify)
self.assertEqual(hex_contract_address, notify['ContractAddress'])
self.assertEqual('transfer', notify['States'][0])
self.assertEqual(acct1.get_address_base58(), notify['States'][1])
self.assertEqual(b58_to_address, notify['States'][2])
self.assertEqual(value, notify['States'][3])
except asyncio.TimeoutError:
pass
finally:
await sdk.websocket.close_connect()
def test_list(self):
hex_contract_address = '6690b6638251be951dded8c537678200a470c679'
list_msg = [1, 10, 1024, [1, 10, 1024, [1, 10, 1024]]]
func = NeoInvokeFunction('testList')
func.set_params_value(list_msg)
tx_hash = self.send_tx(hex_contract_address, None, acct1, func)
if len(tx_hash) == 0:
return
time.sleep(randint(10, 15))
event = sdk.rpc.get_contract_event_by_tx_hash(tx_hash)
states = Event.get_states_by_contract_address(event,
hex_contract_address)
states[0] = NeoData.to_utf8_str(states[0])
self.assertEqual('testMsgList', states[0])
states[1] = NeoData.to_int_list(states[1])
self.assertEqual(list_msg, states[1])
def test_oep4_decimal(self):
hex_contract_address = '1ddbb682743e9d9e2b71ff419e97a9358c5c4ee9'
func = NeoInvokeFunction('decimals')
result = sdk.rpc.send_neo_vm_tx_pre_exec(hex_contract_address, func)
decimals = result['Result']
decimals = NeoData.to_int(decimals)
self.assertEqual(10, decimals)
def symbol(self) -> str:
"""
This interface is used to query the asset's symbol of ONT or ONG.
"""
tx = self.new_symbol_tx()
response = self._sdk.default_network.send_raw_transaction_pre_exec(tx)
return NeoData.to_utf8_str(response['Result'])
def symbol(self):
"""
This interface is used to get the symbol of the token synchronously. E.g. “DX”.
"""
tx = self.new_symbol_tx()
response = self._sdk.default_network.send_raw_transaction_pre_exec(tx)
return NeoData.to_utf8_str(response.get('Result', ''))
def query_approve_event(self, tx_hash: str):
event = self._sdk.default_network.get_contract_event_by_tx_hash(
tx_hash)
notify = Event.get_notify_by_contract_address(event,
self._contract_address)
notify = NeoData.parse_addr_addr_int_notify(notify)
return notify
def test_dict(self):
hex_contract_address = '6690b6638251be951dded8c537678200a470c679'
dict_msg = {'key': 'value'}
func = NeoInvokeFunction('testMap')
func.set_params_value(dict_msg)
result = sdk.rpc.send_neo_vm_tx_pre_exec(hex_contract_address, func)
dict_value = result['Result']
dict_value = NeoData.to_utf8_str(dict_value)
self.assertEqual('value', dict_value)
list_value = [1, 10, 1024, [1, 10, 1024, [1, 10, 1024]]]
dict_msg = {'key': list_value}
func = NeoInvokeFunction('testMap')
func.set_params_value(dict_msg)
result = sdk.rpc.send_neo_vm_tx_pre_exec(hex_contract_address, func)
dict_value = result['Result']
dict_value = NeoData.to_int_list(dict_value)
self.assertEqual(list_value, dict_value)
async def name(self) -> str:
"""
This interface is used to query the asset's name of ONT or ONG.
"""
tx = self.new_name_tx()
response = await self._sdk.default_aio_network.send_raw_transaction_pre_exec(
tx)
return NeoData.to_utf8_str(response['Result'])
def decimals(self):
"""
This interface is used to the number of decimals the token uses synchronously.
E.g. 8, means to divide the token amount by 100000000 to get its user representation.
"""
tx = self.new_decimals_tx()
response = self._sdk.default_network.send_raw_transaction_pre_exec(tx)
return NeoData.to_int(response.get('Result', ''))
def _parse_multi_transfer_event(self, event: dict):
notify_list = Event.get_notify_by_contract_address(
event, self._contract_address)
for index, notify in enumerate(notify_list):
if notify.get('ContractAddress', '') == self._contract_address:
notify_list[index] = NeoData.parse_addr_addr_int_notify(
notify_list[index])
return notify_list
async def name(self):
"""
This interface is used to get the name of the token asynchronously. E.g. "DXToken".
"""
tx = self.new_name_tx()
response = await self._sdk.default_aio_network.send_raw_transaction_pre_exec(
tx)
return NeoData.to_utf8_str(response.get('Result', ''))
async def test_add_and_remove_attribute(self):
did = sdk.native_vm.aio_did()
identity = sdk.wallet_manager.create_identity(password)
ctrl_acct = sdk.wallet_manager.get_control_account_by_index(
identity.did, 0, password)
tx_hash = await did.registry_did(identity.did, ctrl_acct, acct3,
self.gas_price, self.gas_limit)
await self.check_register_did_event(identity.did, tx_hash)
hex_contract_address = did.contract_address
attribute = Attribute('hello', 'string', 'attribute')
tx_hash = await did.add_attribute(identity.did, ctrl_acct, attribute,
acct2, self.gas_price,
self.gas_limit)
await asyncio.sleep(randint(10, 15))
event = sdk.rpc.get_contract_event_by_tx_hash(tx_hash)
notify = Event.get_notify_by_contract_address(event,
hex_contract_address)
self.assertEqual('Attribute', notify['States'][0])
self.assertEqual('add', notify['States'][1])
self.assertEqual(identity.did, notify['States'][2])
self.assertEqual('hello', NeoData.to_utf8_str(notify['States'][3][0]))
attrib_key = 'hello'
tx_hash = await did.remove_attribute(identity.did, ctrl_acct,
attrib_key, acct3, self.gas_price,
self.gas_limit)
await asyncio.sleep(randint(10, 15))
event = sdk.rpc.get_contract_event_by_tx_hash(tx_hash)
notify = Event.get_notify_by_contract_address(event,
hex_contract_address)
self.assertEqual('Attribute', notify['States'][0])
self.assertEqual('remove', notify['States'][1])
self.assertEqual(identity.did, notify['States'][2])
self.assertEqual('hello', NeoData.to_utf8_str(notify['States'][3]))
try:
await did.remove_attribute(identity.did, ctrl_acct, attrib_key,
acct3, self.gas_price, self.gas_limit)
except SDKException as e:
self.assertIn('attribute not exist', e.args[1])
attrib_key = 'key'
try:
await did.remove_attribute(identity.did, ctrl_acct, attrib_key,
acct3, self.gas_price, self.gas_limit)
except SDKException as e:
self.assertIn('attribute not exist', e.args[1])
def test_op_code_to_int(self):
builder = NeoParamsBuilder()
for num in range(100000):
builder.push_int(num)
op_code = builder.to_bytes().hex()
builder.clear_up()
value = NeoData.op_code_to_int(op_code)
self.assertEqual(num, value)
def parse_status(result: dict):
status = result['Result']
if status == '':
status = False
else:
status = NeoData.to_dict(status)
status = bool(status[3])
return status
def test_oep4_total_supply(self):
hex_contract_address = '1ddbb682743e9d9e2b71ff419e97a9358c5c4ee9'
func = NeoInvokeFunction('totalSupply')
result = sdk.default_network.send_neo_vm_tx_pre_exec(
hex_contract_address, func)
total_supply = result['Result']
total_supply = NeoData.to_int(total_supply)
self.assertEqual(10000000000000000000, total_supply)
def test_transfer_multi_args_0(self):
transfer_1 = [
acct1.get_address().to_bytes(),
acct2.get_address().to_bytes(), 10
]
transfer_2 = [
acct2.get_address().to_bytes(),
acct3.get_address().to_bytes(), 100
]
transfer_list = [transfer_1, transfer_2]
hex_contract_address = 'ca91a73433c016fbcbcf98051d385785a6a5d9be'
func = NeoInvokeFunction('transfer_multi')
func.set_params_value(transfer_list)
tx_hash = sdk.rpc.send_neo_vm_transaction(hex_contract_address, acct1,
acct2, self.gas_price,
self.gas_limit, func, False)
self.assertEqual(64, len(tx_hash))
time.sleep(randint(10, 15))
event = sdk.rpc.get_contract_event_by_tx_hash(tx_hash)
states = Event.get_states_by_contract_address(event,
hex_contract_address)
states[0] = NeoData.to_utf8_str(states[0])
states[1][0][0] = NeoData.to_b58_address(states[1][0][0])
self.assertEqual(acct1.get_address_base58(), states[1][0][0])
states[1][0][1] = NeoData.to_b58_address(states[1][0][1])
self.assertEqual(acct2.get_address_base58(), states[1][0][1])
states[1][0][2] = NeoData.to_int(states[1][0][2])
self.assertEqual(10, states[1][0][2])
states[1][1][0] = NeoData.to_b58_address(states[1][1][0])
self.assertEqual(acct2.get_address_base58(), states[1][1][0])
states[1][1][1] = NeoData.to_b58_address(states[1][1][1])
self.assertEqual(acct3.get_address_base58(), states[1][1][1])
states[1][1][2] = NeoData.to_int(states[1][1][2])
self.assertEqual(100, states[1][1][2])
def allowance(self, from_address: Union[str, Address],
to_address: Union[str, Address]) -> int:
tx = self.new_allowance_tx(from_address, to_address)
response = self._sdk.default_network.send_raw_transaction_pre_exec(tx)
try:
allowance = NeoData.to_int(response['Result'])
return allowance
except SDKException:
return 0
def test_oep4_symbol(self):
hex_contract_address = '1ddbb682743e9d9e2b71ff419e97a9358c5c4ee9'
func = NeoInvokeFunction('symbol')
self.assertEqual(bytearray(b'\x00\xc1\x06symbol'),
func.create_invoke_code())
result = sdk.rpc.send_neo_vm_tx_pre_exec(hex_contract_address, func)
symbol = result['Result']
symbol = NeoData.to_utf8_str(symbol)
self.assertEqual('DX', symbol)
def test_oep4_name(self):
hex_contract_address = '1ddbb682743e9d9e2b71ff419e97a9358c5c4ee9'
func = NeoInvokeFunction('name')
self.assertEqual(bytearray(b'\x00\xc1\x04name'),
func.create_invoke_code())
result = sdk.rpc.send_neo_vm_tx_pre_exec(hex_contract_address, func)
name = result['Result']
name = NeoData.to_utf8_str(name)
self.assertEqual('DXToken', name)
def test_get_dict_in_ctx(self):
hex_contract_address = '6690b6638251be951dded8c537678200a470c679'
key = 'key'
func = NeoInvokeFunction('testGetMapInMap')
func.set_params_value(key)
result = sdk.rpc.send_neo_vm_tx_pre_exec(hex_contract_address, func)
value = result['Result']
value = NeoData.to_utf8_str(value)
self.assertEqual('value', value)
def test_send_raw_transaction_pre_exec(self):
b58_address = acct1.get_address_base58()
tx = sdk.native_vm.ong().new_transfer_tx(b58_address,
acct2.get_address(), 2,
b58_address, 500, 20000)
tx.sign_transaction(acct1)
result = sdk.rpc.send_raw_transaction_pre_exec(tx)
self.assertTrue(NeoData.to_bool(result['Result']))
self.assertEqual(result['Gas'], 20000)
self.assertEqual(result['State'], 1)
def total_supply(self) -> int:
"""
This interface is used to get the total token supply synchronously.
"""
tx = self.new_total_supply_tx()
response = self._sdk.default_network.send_raw_transaction_pre_exec(tx)
try:
total_supply = NeoData.to_int(response['Result'])
except SDKException:
total_supply = 0
return total_supply
def test_init(self):
oep4 = sdk.neo_vm.oep4()
oep4.hex_contract_address = self.contract_address
tx_hash = oep4.init(acct1, acct2, self.gas_price, self.gas_limit)
self.assertEqual(len(tx_hash), 64)
time.sleep(randint(10, 15))
event = sdk.rpc.get_contract_event_by_tx_hash(tx_hash)
notify = Event.get_notify_by_contract_address(
event, oep4.hex_contract_address)
self.assertEqual('Already initialized!',
NeoData.to_utf8_str(notify['States']))