def test_filelock(sender_privkey, client_contract_proxy, client_token_proxy,
datadir, channel_manager_contract_address,
token_contract_address):
kwargs = {
'privkey': sender_privkey,
'channel_manager_proxy': client_contract_proxy,
'token_proxy': client_token_proxy,
'datadir': datadir,
'channel_manager_address': channel_manager_contract_address,
'token_address': token_contract_address
}
client = Client(**kwargs)
client.close()
client = Client(**kwargs)
with pytest.raises(filelock.Timeout):
Client(**kwargs)
client.close()
with Client(**kwargs):
pass
with Client(**kwargs):
with pytest.raises(filelock.Timeout):
Client(**kwargs)
def client(sender_privkey: str, client_contract_proxy: ChannelContractProxy,
client_token_proxy: ContractProxy, datadir: str):
client = Client(privkey=sender_privkey,
channel_manager_proxy=client_contract_proxy,
token_proxy=client_token_proxy,
datadir=datadir)
yield client
client.close()
def client(sender_privkey, client_contract_proxy, client_token_proxy, datadir,
channel_manager_contract_address, token_contract_address):
client = Client(privkey=sender_privkey,
channel_manager_proxy=client_contract_proxy,
token_proxy=client_token_proxy,
datadir=datadir,
channel_manager_address=channel_manager_contract_address,
token_address=token_contract_address)
yield client
client.close()
class ETHTickerClient(ttk.Frame):
def __init__(
self,
sender_privkey: str,
httpclient: DefaultHTTPClient = None
):
self.root = tkinter.Tk()
ttk.Frame.__init__(self, self.root)
self.root.title('µRaiden ETH Ticker')
self.root.protocol('WM_DELETE_WINDOW', self.close)
self.pack()
self.pricevar = tkinter.StringVar(value='0.00 USD')
ttk.Label(self, textvariable=self.pricevar, font=('Helvetica', '72')).pack()
if httpclient:
self.httpclient = httpclient
self.client = httpclient.client
else:
self.client = Client(sender_privkey)
self.httpclient = DefaultHTTPClient(
self.client,
'localhost',
5000,
initial_deposit=lambda x: 10 * x,
topup_deposit=lambda x: 5 * x
)
self.active_query = False
self.running = False
def run(self):
self.running = True
self.root.after(1000, self.query_price)
self.root.mainloop()
def query_price(self):
if not self.running:
return
self.active_query = True
response = self.httpclient.run('ETHUSD')
if response:
ticker = json.loads(response.decode())
price = float(ticker['last_price'])
log.info('New price received: {:.2f} USD'.format(price))
self.pricevar.set('{:.2f} USD'.format(price))
else:
log.warning('No response.')
if self.running:
self.root.after(5000, self.query_price)
self.active_query = False
def close(self):
log.info('Shutting down gracefully.')
self.running = False
self.root.destroy()
self.httpclient.stop()
# Sloppy handling of thread joining but works for this small demo.
while self.active_query:
gevent.sleep(1)
self.httpclient.close_active_channel()
self.client.close()
