def _query_filter(self, function: str) -> List[Dict]:
filter_changes = self.client.call(function, self.filter_id_raw)
# geth could return None
if filter_changes is None:
return []
result = list()
for log_event in filter_changes:
address = address_decoder(log_event['address'])
data = data_decoder(log_event['data'])
topics = [
topic_decoder(topic)
for topic in log_event['topics']
]
block_number = log_event.get('blockNumber')
if not block_number:
block_number = 0
else:
block_number = int(block_number, 0)
result.append({
'topics': topics,
'data': data,
'address': address,
'block_number': block_number,
})
return result
def all_contract_events(rpc: JSONRPCClient,
contract_address: str,
abi,
start_block: Union[str, int] = 0,
end_block: Union[str, int] = 'latest') -> List[Dict]:
"""Find and decode all events for a deployed contract given its `contract_address` and `abi`.
Args:
rpc: client instance.
contract_address: hex encoded contract address.
abi: the contract's ABI.
start_block: read event-logs starting from this block number (default: 0).
end_block: read event-logs up to this block number (default: 'latest').
Returns:
A list of all events from the given contract.
"""
translator = ContractTranslator(abi)
events_raw = all_contract_events_raw(rpc,
contract_address,
start_block=start_block,
end_block=end_block)
events = list()
for event_encoded in events_raw:
topics_ids = [
topic_decoder(topic) for topic in event_encoded['topics']
]
event_data = data_decoder(event_encoded['data'])
event = translator.decode_event(topics_ids, event_data)
events.append(event)
return events
def _query_filter(self, function: str) -> List[Dict]:
filter_changes = self.client.call(function, self.filter_id_raw)
# geth could return None
if filter_changes is None:
return []
result = list()
for log_event in filter_changes:
address = address_decoder(log_event['address'])
data = data_decoder(log_event['data'])
topics = [topic_decoder(topic) for topic in log_event['topics']]
block_number = log_event.get('blockNumber')
if not block_number:
block_number = 0
else:
block_number = int(block_number, 0)
result.append({
'topics': topics,
'data': data,
'address': address,
'block_number': block_number,
})
return result
def all_contract_events(rpc, contract_address, abi, start_block=None, end_block=None):
"""Find and decode all events for a deployed contract given its `contract_address` and `abi`.
Args:
rpc (raiden.network.rpc.client.JSONRPCClient): client instance.
contract_address (string): hex encoded contract address.
abi (list(dict)): the contract's ABI.
start_block (int): read event-logs starting from this block number.
end_block (int): read event-logs up to this block number.
Returns:
events (list)
"""
translator = ContractTranslator(abi)
events_raw = all_contract_events_raw(
rpc,
contract_address,
start_block=start_block,
end_block=end_block,
)
events = list()
for event_encoded in events_raw:
topics_ids = [
topic_decoder(topic)
for topic in event_encoded['topics']
]
event_data = data_decoder(event_encoded['data'])
event = translator.decode_event(topics_ids, event_data)
events.append(event)
return events
def get_filter_events(
jsonrpc_client: JSONRPCClient,
contract_address: address,
topics: Optional[List[int]],
from_block: Union[str, int] = 0,
to_block: Union[str, int] = 'latest') -> List[Dict]:
""" Get filter.
This handles bad encoding from geth rpc.
"""
if isinstance(from_block, int):
from_block = hex(from_block)
if isinstance(to_block, int):
to_block = hex(to_block)
json_data = {
'fromBlock': from_block,
'toBlock': to_block,
'address': address_encoder(normalize_address(contract_address)),
}
if topics is not None:
json_data['topics'] = [
topic_encoder(topic)
for topic in topics
]
filter_changes = jsonrpc_client.call('eth_getLogs', json_data)
# geth could return None
if filter_changes is None:
return []
result = []
for log_event in filter_changes:
address = address_decoder(log_event['address'])
data = data_decoder(log_event['data'])
topics = [
topic_decoder(topic)
for topic in log_event['topics']
]
block_number = log_event.get('blockNumber')
if not block_number:
block_number = 0
else:
block_number = int(block_number, 0)
result.append({
'topics': topics,
'data': data,
'address': address,
'block_number': block_number,
})
return result
def get_filter_events(jsonrpc_client, contract_address, topics, from_block=None, to_block=None):
""" Get filter.
This handles bad encoding from geth rpc.
"""
if isinstance(from_block, int):
from_block = hex(from_block)
if isinstance(to_block, int):
to_block = hex(to_block)
json_data = {
'fromBlock': from_block or hex(0),
'toBlock': to_block or 'latest',
'address': address_encoder(normalize_address(contract_address)),
}
if topics is not None:
json_data['topics'] = [
topic_encoder(topic)
for topic in topics
]
filter_changes = jsonrpc_client.call('eth_getLogs', json_data)
# geth could return None
if filter_changes is None:
return []
result = []
for log_event in filter_changes:
address = address_decoder(log_event['address'])
data = data_decoder(log_event['data'])
topics = [
topic_decoder(topic)
for topic in log_event['topics']
]
block_number = log_event.get('blockNumber')
if not block_number:
block_number = 0
else:
block_number = int(block_number, 0)
result.append({
'topics': topics,
'data': data,
'address': address,
'block_number': block_number,
})
return result
def get_filter_events(jsonrpc_client: JSONRPCClient,
contract_address: Address,
topics: Optional[List[int]],
from_block: Union[str, int] = 0,
to_block: Union[str, int] = 'latest') -> List[Dict]:
""" Get filter.
This handles bad encoding from geth rpc.
"""
if isinstance(from_block, int):
from_block = hex(from_block)
if isinstance(to_block, int):
to_block = hex(to_block)
json_data = {
'fromBlock': from_block,
'toBlock': to_block,
'address': address_encoder(to_canonical_address(contract_address)),
}
if topics is not None:
json_data['topics'] = [topic_encoder(topic) for topic in topics]
filter_changes = jsonrpc_client.rpccall_with_retry('eth_getLogs',
json_data)
# geth could return None
if filter_changes is None:
return []
result = []
for log_event in filter_changes:
address = address_decoder(log_event['address'])
data = data_decoder(log_event['data'])
topics = [topic_decoder(topic) for topic in log_event['topics']]
block_number = log_event.get('blockNumber')
if not block_number:
block_number = 0
else:
block_number = int(block_number, 0)
result.append({
'topics': topics,
'data': data,
'address': address,
'block_number': block_number,
})
return result
def get_filter_events(jsonrpc_client: JSONRPCClient,
contract_address: Address,
topics: Optional[List[int]],
from_block: Union[str, int] = 0,
to_block: Union[str, int] = 'latest') -> List[Dict]:
""" Get filter.
This handles bad encoding from geth rpc.
"""
json_data = {
'fromBlock': from_block,
'toBlock': to_block,
'address': address_encoder(to_canonical_address(contract_address)),
}
if topics is not None:
json_data['topics'] = [topic_encoder(topic) for topic in topics]
filter_changes = jsonrpc_client.web3.eth.getLogs(json_data)
# geth could return None
if filter_changes is None:
return []
result = []
for log_event in filter_changes:
address = address_decoder(log_event['address'])
data = data_decoder(log_event['data'])
topics = [
topic_decoder(add_0x_prefix(encode_hex(topic)))
for topic in log_event['topics']
]
block_number = log_event.get('blockNumber', 0)
result.append({
'topics': topics,
'data': data,
'address': address,
'block_number': block_number,
'event_data': log_event
})
return result
def filter_changes(self, fid: int) -> List:
changes = self.call('eth_getFilterChanges', quantity_encoder(fid))
if not changes:
return list()
assert isinstance(changes, list)
decoders = {
'blockHash': data_decoder,
'transactionHash': data_decoder,
'data': data_decoder,
'address': address_decoder,
'topics': lambda x: [topic_decoder(t) for t in x],
'blockNumber': quantity_decoder,
'logIndex': quantity_decoder,
'transactionIndex': quantity_decoder
}
return [{k: decoders[k](v)
for k, v in c.items() if v is not None} for c in changes]
def filter_changes(self, fid: int) -> List:
changes = self.call('eth_getFilterChanges', quantity_encoder(fid))
if not changes:
return list()
assert isinstance(changes, list)
decoders = {
'blockHash': data_decoder,
'transactionHash': data_decoder,
'data': data_decoder,
'address': address_decoder,
'topics': lambda x: [topic_decoder(t) for t in x],
'blockNumber': quantity_decoder,
'logIndex': quantity_decoder,
'transactionIndex': quantity_decoder
}
return [
{k: decoders[k](v) for k, v in c.items() if v is not None}
for c in changes
]
def all_contract_events(
rpc: JSONRPCClient,
contract_address: str,
abi,
start_block: Union[str, int] = 0,
end_block: Union[str, int] = 'latest') -> List[Dict]:
"""Find and decode all events for a deployed contract given its `contract_address` and `abi`.
Args:
rpc: client instance.
contract_address: hex encoded contract address.
abi: the contract's ABI.
start_block: read event-logs starting from this block number (default: 0).
end_block: read event-logs up to this block number (default: 'latest').
Returns:
A list of all events from the given contract.
"""
translator = ContractTranslator(abi)
events_raw = all_contract_events_raw(
rpc,
contract_address,
start_block=start_block,
end_block=end_block
)
events = list()
for event_encoded in events_raw:
topics_ids = [
topic_decoder(topic)
for topic in event_encoded['topics']
]
event_data = data_decoder(event_encoded['data'])
event = translator.decode_event(topics_ids, event_data)
events.append(event)
return events
def _process_filter_results(self, filter_changes: List) -> List[Dict]:
# geth could return None
if filter_changes is None:
return []
result = list()
for log_event in filter_changes:
address = address_decoder(log_event['address'])
data = data_decoder(log_event['data'])
topics = [
topic_decoder(add_0x_prefix(encode_hex(topic)))
for topic in log_event['topics']
]
block_number = log_event.get('blockNumber')
result.append({
'topics': topics,
'data': data,
'address': address,
'block_number': block_number,
'event_data': log_event
})
return result
def test_blockchain(
blockchain_backend, # required to start the geth backend pylint: disable=unused-argument
blockchain_rpc_ports,
private_keys,
poll_timeout):
# pylint: disable=too-many-locals
addresses = [privatekey_to_address(priv) for priv in private_keys]
privatekey = private_keys[0]
address = privatekey_to_address(privatekey)
total_token = 100
host = '127.0.0.1'
jsonrpc_client = JSONRPCClient(
host,
blockchain_rpc_ports[0],
privatekey,
)
humantoken_path = get_contract_path('HumanStandardToken.sol')
humantoken_contracts = compile_file(humantoken_path, libraries=dict())
token_proxy = jsonrpc_client.deploy_solidity_contract(
'HumanStandardToken',
humantoken_contracts,
list(),
(total_token, 'raiden', 2, 'Rd'),
contract_path=humantoken_path,
timeout=poll_timeout,
)
registry_path = get_contract_path('Registry.sol')
registry_contracts = compile_file(registry_path)
registry_proxy = jsonrpc_client.deploy_solidity_contract(
'Registry',
registry_contracts,
list(),
tuple(),
contract_path=registry_path,
timeout=poll_timeout,
)
log_list = jsonrpc_client.rpccall_with_retry(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert not log_list
assert token_proxy.call('balanceOf', address) == total_token
transaction_hash = registry_proxy.transact(
'addToken',
address,
token_proxy.contract_address,
)
jsonrpc_client.poll(unhexlify(transaction_hash), timeout=poll_timeout)
assert len(registry_proxy.call('tokenAddresses')) == 1
log_list = jsonrpc_client.rpccall_with_retry(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 1
channel_manager_address_encoded = registry_proxy.call(
'channelManagerByToken',
token_proxy.contract_address,
)
channel_manager_address = to_canonical_address(
channel_manager_address_encoded)
log = log_list[0]
log_topics = [
topic_decoder(topic) for topic in log['topics'] # pylint: disable=invalid-sequence-index
]
log_data = log['data'] # pylint: disable=invalid-sequence-index
event = registry_proxy.translator.decode_event(
log_topics,
unhexlify(log_data[2:]),
)
assert channel_manager_address == to_canonical_address(
event['channel_manager_address'])
assert token_proxy.contract_address == to_canonical_address(
event['token_address'])
channel_manager_proxy = jsonrpc_client.new_contract_proxy(
CONTRACT_MANAGER.get_abi(CONTRACT_CHANNEL_MANAGER),
channel_manager_address,
)
transaction_hash = channel_manager_proxy.transact(
'newChannel',
addresses[1],
10,
)
jsonrpc_client.poll(unhexlify(transaction_hash), timeout=poll_timeout)
log_list = jsonrpc_client.rpccall_with_retry(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 2
def test_blockchain(
blockchain_type,
blockchain_backend, # required to start the geth backend
blockchain_rpc_ports,
private_keys,
poll_timeout):
# pylint: disable=too-many-locals
# this test is for interaction with a blockchain using json-rpc, so it
# doesnt make sense to execute it against tester
if blockchain_type not in ('geth', ):
return
addresses = [privatekey_to_address(priv) for priv in private_keys]
privatekey = private_keys[0]
address = privatekey_to_address(privatekey)
total_token = 100
host = '127.0.0.1'
jsonrpc_client = JSONRPCClient(
host,
blockchain_rpc_ports[0],
privatekey,
)
humantoken_path = get_contract_path('HumanStandardToken.sol')
humantoken_contracts = compile_file(humantoken_path, libraries=dict())
token_proxy = jsonrpc_client.deploy_solidity_contract(
address,
'HumanStandardToken',
humantoken_contracts,
dict(),
(total_token, 'raiden', 2, 'Rd'),
contract_path=humantoken_path,
gasprice=GAS_PRICE,
timeout=poll_timeout,
)
registry_path = get_contract_path('Registry.sol')
registry_contracts = compile_file(registry_path)
registry_proxy = jsonrpc_client.deploy_solidity_contract(
address,
'Registry',
registry_contracts,
dict(),
tuple(),
contract_path=registry_path,
gasprice=GAS_PRICE,
timeout=poll_timeout,
)
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 0
# pylint: disable=no-member
assert token_proxy.balanceOf(address) == total_token
transaction_hash = registry_proxy.addToken.transact(
token_proxy.address,
gasprice=denoms.wei,
)
jsonrpc_client.poll(transaction_hash.decode('hex'), timeout=poll_timeout)
assert len(registry_proxy.tokenAddresses.call()) == 1
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 1
channel_manager_address_encoded = registry_proxy.channelManagerByToken.call(
token_proxy.address, )
channel_manager_address = channel_manager_address_encoded.decode('hex')
log = log_list[0]
log_topics = [
topic_decoder(topic) for topic in log['topics'] # pylint: disable=invalid-sequence-index
]
log_data = log['data']
event = registry_proxy.translator.decode_event(
log_topics,
log_data[2:].decode('hex'),
)
assert channel_manager_address == event['channel_manager_address'].decode(
'hex')
assert token_proxy.address == event['token_address'].decode('hex')
channel_manager_proxy = jsonrpc_client.new_contract_proxy(
CONTRACT_MANAGER.get_abi(CONTRACT_CHANNEL_MANAGER),
channel_manager_address,
)
transaction_hash = channel_manager_proxy.newChannel.transact(
addresses[1],
10,
gasprice=denoms.wei,
)
jsonrpc_client.poll(transaction_hash.decode('hex'), timeout=poll_timeout)
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 2
def test_blockchain(
blockchain_backend, # required to start the geth backend pylint: disable=unused-argument
blockchain_rpc_ports,
private_keys,
poll_timeout):
# pylint: disable=too-many-locals
addresses = [
privatekey_to_address(priv)
for priv in private_keys
]
privatekey = private_keys[0]
address = privatekey_to_address(privatekey)
total_token = 100
host = '127.0.0.1'
jsonrpc_client = JSONRPCClient(
host,
blockchain_rpc_ports[0],
privatekey,
)
humantoken_path = get_contract_path('HumanStandardToken.sol')
humantoken_contracts = compile_file(humantoken_path, libraries=dict())
token_proxy = jsonrpc_client.deploy_solidity_contract(
address,
'HumanStandardToken',
humantoken_contracts,
list(),
(total_token, 'raiden', 2, 'Rd'),
contract_path=humantoken_path,
gasprice=GAS_PRICE,
timeout=poll_timeout,
)
registry_path = get_contract_path('Registry.sol')
registry_contracts = compile_file(registry_path)
registry_proxy = jsonrpc_client.deploy_solidity_contract(
address,
'Registry',
registry_contracts,
list(),
tuple(),
contract_path=registry_path,
gasprice=GAS_PRICE,
timeout=poll_timeout,
)
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert not log_list
assert token_proxy.call('balanceOf', address) == total_token
transaction_hash = registry_proxy.transact(
'addToken',
token_proxy.contract_address,
gasprice=denoms.wei,
)
jsonrpc_client.poll(unhexlify(transaction_hash), timeout=poll_timeout)
assert len(registry_proxy.call('tokenAddresses')) == 1
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 1
channel_manager_address_encoded = registry_proxy.call(
'channelManagerByToken',
token_proxy.contract_address,
)
channel_manager_address = normalize_address(channel_manager_address_encoded)
log = log_list[0]
log_topics = [
topic_decoder(topic)
for topic in log['topics'] # pylint: disable=invalid-sequence-index
]
log_data = log['data'] # pylint: disable=invalid-sequence-index
event = registry_proxy.translator.decode_event(
log_topics,
unhexlify(log_data[2:]),
)
assert channel_manager_address == normalize_address(event['channel_manager_address'])
assert token_proxy.contract_address == normalize_address(event['token_address'])
channel_manager_proxy = jsonrpc_client.new_contract_proxy(
CONTRACT_MANAGER.get_abi(CONTRACT_CHANNEL_MANAGER),
channel_manager_address,
)
transaction_hash = channel_manager_proxy.transact(
'newChannel',
addresses[1],
10,
gasprice=denoms.wei,
)
jsonrpc_client.poll(unhexlify(transaction_hash), timeout=poll_timeout)
log_list = jsonrpc_client.call(
'eth_getLogs',
{
'fromBlock': '0x0',
'toBlock': 'latest',
'topics': [],
},
)
assert len(log_list) == 2
