Differential D10168 Diff 30110 test/functional/test_framework/util.py

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test/functional/test_framework/util.py

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def str_to_b64str(string):		def str_to_b64str(string):
return b64encode(string.encode('utf-8')).decode('ascii')		return b64encode(string.encode('utf-8')).decode('ascii')


def satoshi_round(amount):		def satoshi_round(amount):
return Decimal(amount).quantize(Decimal('0.01'), rounding=ROUND_DOWN)		return Decimal(amount).quantize(Decimal('0.01'), rounding=ROUND_DOWN)


def wait_until(predicate, *, attempts=float('inf'),		def wait_until_helper(predicate, *, attempts=float('inf'),
timeout=float('inf'), lock=None, timeout_factor=1.0):		timeout=float('inf'), lock=None, timeout_factor=1.0):
"""Sleep until the predicate resolves to be True.		"""Sleep until the predicate resolves to be True.

Warning: Note that this method is not recommended to be used in tests as it is		Warning: Note that this method is not recommended to be used in tests as it is
not aware of the context of the test framework. Using `wait_until()` counterpart		not aware of the context of the test framework. Using the `wait_until()` members
from `BitcoinTestFramework` or `P2PInterface` class ensures an understandable		from `BitcoinTestFramework` or `P2PInterface` class ensures the timeout is
amount of timeout and a common shared timeout_factor. Furthermore, `wait_until()`		properly scaled. Furthermore, `wait_until()` from `P2PInterface` class in
from `P2PInterface` class in `mininode.py` has a preset lock.		`p2p.py` has a preset lock.
"""		"""
if attempts == float('inf') and timeout == float('inf'):		if attempts == float('inf') and timeout == float('inf'):
timeout = 60		timeout = 60
timeout = timeout * timeout_factor		timeout = timeout * timeout_factor
attempt = 0		attempt = 0
time_end = time.time() + timeout		time_end = time.time() + timeout

while attempt < attempts and time.time() < time_end:		while attempt < attempts and time.time() < time_end:
▲ Show 20 Lines • Show All 179 Lines • ▼ Show 20 Lines	for peer_id in peer_ids:
except JSONRPCException as e:		except JSONRPCException as e:
# If this node is disconnected between calculating the peer id		# If this node is disconnected between calculating the peer id
# and issuing the disconnect, don't worry about it.		# and issuing the disconnect, don't worry about it.
# This avoids a race condition if we're mass-disconnecting peers.		# This avoids a race condition if we're mass-disconnecting peers.
if e.error['code'] != -29: # RPC_CLIENT_NODE_NOT_CONNECTED		if e.error['code'] != -29: # RPC_CLIENT_NODE_NOT_CONNECTED
raise		raise

# wait to disconnect		# wait to disconnect
wait_until(lambda: not get_peer_ids(), timeout=5)		wait_until_helper(lambda: not get_peer_ids(), timeout=5)


def connect_nodes(from_node, to_node):		def connect_nodes(from_node, to_node):
host = to_node.host		host = to_node.host
if host is None:		if host is None:
host = '127.0.0.1'		host = '127.0.0.1'
ip_port = host + ':' + str(to_node.p2p_port)		ip_port = host + ':' + str(to_node.p2p_port)
from_node.addnode(ip_port, "onetry")		from_node.addnode(ip_port, "onetry")
# poll until version handshake complete to avoid race conditions		# poll until version handshake complete to avoid race conditions
# with transaction relaying		# with transaction relaying
# See comments in net_processing:		# See comments in net_processing:
# * Must have a version message before anything else		# * Must have a version message before anything else
# * Must have a verack message before anything else		# * Must have a verack message before anything else
wait_until(		wait_until_helper(
lambda: all(		lambda: all(peer['version'] != 0
peer['version'] != 0 for peer in from_node.getpeerinfo()))		for peer in from_node.getpeerinfo()))
wait_until(		wait_until_helper(
lambda: all(		lambda: all(peer['bytesrecv_per_msg'].pop('verack', 0) == 24
peer['bytesrecv_per_msg'].pop(		for peer in from_node.getpeerinfo()))
'verack',
0) == 24 for peer in from_node.getpeerinfo()))


# Transaction/Block functions		# Transaction/Block functions
#############################		#############################


def find_output(node, txid, amount, *, blockhash=None):		def find_output(node, txid, amount, *, blockhash=None):
"""		"""
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