0g-storage-node/tests/utility/simple_rpc_proxy.py

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from jsonrpcclient import request, parse, Ok
import requests
class SimpleRpcProxy:
def __init__(self, url, timeout=60):
self.url = url
self.timeout = timeout
def __getattr__(self, name):
return RpcCaller(self.url, name, self.timeout)
class RpcCaller:
def __init__(self, url, method, timeout):
self.url = url
self.method = method
self.timeout = timeout
def __call__(self, *args, **argsn):
r = request(self.method, *args)
try:
response = requests.post(self.url, json=r, timeout=self.timeout)
parsed = parse(response.json())
if isinstance(parsed, Ok):
return parsed.result
else:
print("Failed to call RPC, method = %s(%s), error = %s" % (self.method, str(*args)[-1500:], parsed))
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except Exception as ex:
print("Failed to call RPC, method = %s(%s), exception = %s" % (self.method, str(*args)[-1500:], ex))
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return None