def test_filter_start_block_inclusive(deploy_client, blockchain_backend):
""" A filter includes events from the block given in from_block """
contract_proxy = deploy_rpc_test_contract(deploy_client)
# call the create event function twice and wait for confirmation each time
gas = contract_proxy.createEvent.estimate_gas() * 2
transaction_hex_1 = contract_proxy.createEvent.transact(1, startgas=gas)
deploy_client.poll(transaction_hex_1.decode('hex'))
transaction_hex_2 = contract_proxy.createEvent.transact(2, startgas=gas)
deploy_client.poll(transaction_hex_2.decode('hex'))
# create a new filter in the node
new_filter(deploy_client, contract_proxy.address, None)
result_1 = get_filter_events(deploy_client, contract_proxy.address, None)
block_number_events = get_list_of_block_numbers(result_1)
block_number_event_1 = block_number_events[0]
block_number_event_2 = block_number_events[1]
# inclusive from_block should return both events
result_2 = get_filter_events(deploy_client,
contract_proxy.address,
None,
from_block=block_number_event_1)
assert get_list_of_block_numbers(result_2) == block_number_events
# a higher from_block must not contain the first event
result_3 = get_filter_events(deploy_client,
contract_proxy.address,
None,
from_block=block_number_event_1 + 1)
assert get_list_of_block_numbers(result_3) == [block_number_event_2]
def get_contract_events(
chain,
abi,
contract_address,
topics,
from_block,
to_block):
""" Query the blockchain for all events of the smart contract at
`contract_address` that match the filters `topics`, `from_block`, and
`to_block`.
"""
# Note: Issue #452 (https://github.com/raiden-network/raiden/issues/452)
# tracks a suggested TODO, which will reduce the 3 RPC calls here to only
# one using `eth_getLogs`. It will require changes in all testing frameworks
# to be implemented though.
events = get_filter_events(
chain.client,
contract_address,
topics=topics,
from_block=from_block,
to_block=to_block
)
result = []
for event in events:
decoded_event = dict(decode_event(abi, event['event_data']))
if event.get('block_number'):
decoded_event['block_number'] = event['block_number']
result.append(decoded_event)
return result
def get_contract_events(
chain,
translator,
contract_address,
topics,
from_block,
to_block):
""" Query the blockchain for all events of the smart contract at
`contract_address` that match the filters `topics`, `from_block`, and
`to_block`.
"""
# Note: Issue #452 (https://github.com/raiden-network/raiden/issues/452)
# tracks a suggested TODO, which will reduce the 3 RPC calls here to only
# one using `eth_getLogs`. It will require changes in all testing frameworks
# to be implemented though.
events = get_filter_events(
chain.client,
contract_address,
topics=topics,
from_block=from_block,
to_block=to_block
)
result = []
for event in events:
decoded_event = translator.decode_event(event['topics'], event['data'])
if event.get('block_number'):
decoded_event['block_number'] = event['block_number']
result.append(decoded_event)
return result
def test_filter_end_block_inclusive(deploy_client, blockchain_backend):
""" A filter includes events from the block given in from_block
until and including end_block. """
contract_proxy = deploy_rpc_test_contract(deploy_client)
# call the create event function twice and wait for confirmation each time
gas = contract_proxy.estimate_gas('createEvent', 1) * 2
transaction_hex_1 = contract_proxy.transact('createEvent', 1, startgas=gas)
deploy_client.poll(unhexlify(transaction_hex_1))
transaction_hex_2 = contract_proxy.transact('createEvent', 2, startgas=gas)
deploy_client.poll(unhexlify(transaction_hex_2))
# create a new filter in the node
new_filter(deploy_client, contract_proxy.contract_address, None)
result_1 = get_filter_events(deploy_client,
contract_proxy.contract_address, None)
block_number_events = get_list_of_block_numbers(result_1)
block_number_event_1 = block_number_events[0]
block_number_event_2 = block_number_events[1]
# inclusive to_block should return first event
result_2 = get_filter_events(
deploy_client,
contract_proxy.contract_address,
None,
to_block=block_number_event_1,
)
assert get_list_of_block_numbers(result_2) == [block_number_event_1]
# this should include the second event
result_3 = get_filter_events(
deploy_client,
contract_proxy.contract_address,
None,
to_block=block_number_event_2,
)
assert get_list_of_block_numbers(result_3) == block_number_events
def test_filter_start_block_inclusive(deploy_client, blockchain_backend):
""" A filter includes events from the block given in from_block """
contract_proxy = deploy_rpc_test_contract(deploy_client)
# call the create event function twice and wait for confirmation each time
gas = contract_proxy.estimate_gas('createEvent') * 2
transaction_hex_1 = contract_proxy.transact('createEvent', 1, startgas=gas)
deploy_client.poll(unhexlify(transaction_hex_1))
transaction_hex_2 = contract_proxy.transact('createEvent', 2, startgas=gas)
deploy_client.poll(unhexlify(transaction_hex_2))
# create a new filter in the node
new_filter(deploy_client, contract_proxy.contract_address, None)
result_1 = get_filter_events(deploy_client, contract_proxy.contract_address, None)
block_number_events = get_list_of_block_numbers(result_1)
block_number_event_1 = block_number_events[0]
block_number_event_2 = block_number_events[1]
# inclusive from_block should return both events
result_2 = get_filter_events(
deploy_client,
contract_proxy.contract_address,
None,
from_block=block_number_event_1,
)
assert get_list_of_block_numbers(result_2) == block_number_events
# a higher from_block must not contain the first event
result_3 = get_filter_events(
deploy_client,
contract_proxy.contract_address,
None,
from_block=block_number_event_1 + 1,
)
assert get_list_of_block_numbers(result_3) == [block_number_event_2]
