def start(app: PaywalledProxy, host: str, port: int, elasticsearch: str):
auth = os.environ.get('ES_CREDENTIALS')
if auth is None:
print(
'Please provide elasticsearch credentials via ES_CREDENTIALS environment.'
)
sys.exit(1)
elasticsearch_connection = Elasticsearch(elasticsearch,
timeout=30,
http_auth=auth)
backend = ElasticsearchBackend(elasticsearch_connection)
APIServer(app, backend)
app.run(host=host, port=port, debug=True)
app.join()
if __name__ == '__main__':
private_key = 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
tempfile = os.path.join(os.path.expanduser('~'), '.raiden/echo_server.pkl')
# set up a paywalled proxy
# arguments are:
# - channel manager contract
# - private key to use for receiving funds
# - temporary file for storing state information (balance proofs)
app = PaywalledProxy(CHANNEL_MANAGER_ADDRESS, private_key, tempfile)
# Add resource defined by regex and with a fixed price of 1 token
# We setup the resource to return whatever is supplied as a second argument
# in the URL.
app.add_content(
PaywalledContent("echofix\/[a-zA-Z0-9]+", 1, lambda request:
(request.split("/")[1], 200)))
# Resource with a price determined by the second parameter
app.add_content(
PaywalledContent("echodyn\/[0-9]+",
lambda request: int(request.split("/")[1]),
lambda request: (int(request.split("/")[1]), 200)))
app.add_content(
PaywalledProxyUrl(
"p\/[0-9]+", 1,
lambda request: 'google.com/search?q=' + request.split("/")[1]))
# start the app. proxy is a WSGI greenlet, so you must join it properly
app.run(debug=True)
app.join()
# now use echo_client to get the resources