def wait_for_dag(self, timeout=0):
if not self.is_mining and not self.geth_kwargs.get('autodag', False):
raise ValueError("Geth not configured to generate DAG")
with Timeout(timeout) as _timeout:
while True:
if self.is_dag_generated:
break
time.sleep(0.1)
_timeout.check()
def wait_for_ipc(self, timeout=0):
if not self.ipc_enabled:
raise ValueError("IPC interface is not enabled")
with Timeout(timeout) as _timeout:
while True:
if self.is_ipc_ready:
break
time.sleep(0.1)
_timeout.check()
def test_waiting_for_dag_generation(base_dir):
assert not is_dag_generated(base_dir=base_dir)
command, proc = spawn_geth(
dict(
data_dir=base_dir,
suffix_args=['makedag', '0', base_dir],
))
assert not is_dag_generated(base_dir=base_dir)
with Timeout(600) as timeout:
while True:
if is_dag_generated(base_dir=base_dir):
break
time(0.1)
timeout.check()
assert proc.poll() is not None
assert proc.returncode == 0
def join(self, timeout=None):
with Timeout(timeout) as _timeout:
while not self.empty():
time.sleep(0)
_timeout.check()