class HTTPProvider(JSONBaseProvider):
logger = logging.getLogger("web3.providers.HTTPProvider")
endpoint_uri = None
_request_args = None
_request_kwargs = None
# type ignored b/c conflict with _middlewares attr on BaseProvider
_middlewares: Tuple[Middleware, ...] = NamedElementOnion([
(http_retry_request_middleware, 'http_retry_request')
]) # type: ignore # noqa: E501
def __init__(self,
endpoint_uri: Optional[Union[URI, str]] = None,
request_kwargs: Optional[Any] = None,
session: Optional[Any] = None) -> None:
if endpoint_uri is None:
self.endpoint_uri = get_default_endpoint()
else:
self.endpoint_uri = URI(endpoint_uri)
self._request_kwargs = request_kwargs or {}
if session:
cache_session(self.endpoint_uri, session)
super().__init__()
def __str__(self) -> str:
return "RPC connection {0}".format(self.endpoint_uri)
@to_dict
def get_request_kwargs(self) -> Iterable[Tuple[str, Any]]:
if 'headers' not in self._request_kwargs:
yield 'headers', self.get_request_headers()
for key, value in self._request_kwargs.items():
yield key, value
def get_request_headers(self) -> Dict[str, str]:
return {
'Content-Type': 'application/json',
'User-Agent': construct_user_agent(str(type(self))),
}
def make_request(self, method: RPCEndpoint, params: Any) -> RPCResponse:
self.logger.debug("Making request HTTP. URI: %s, Method: %s",
self.endpoint_uri, method)
request_data = self.encode_rpc_request(method, params)
raw_response = make_post_request(self.endpoint_uri, request_data,
**self.get_request_kwargs())
response = self.decode_rpc_response(raw_response)
self.logger.debug(
"Getting response HTTP. URI: %s, "
"Method: %s, Response: %s", self.endpoint_uri, method, response)
return response
def __init__(self, web3, providers, middlewares=None):
self.web3 = web3
self.pending_requests = {}
if middlewares is None:
middlewares = self.default_middlewares(web3)
self.middleware_stack = NamedElementOnion(middlewares)
if providers is empty:
self.providers = AutoProvider()
else:
self.providers = providers
def __init__(self,
web3: 'Web3',
provider: BaseProvider = None,
middlewares: Sequence[Tuple[Middleware, str]] = None) -> None:
self.web3 = web3
self.pending_requests: Dict[UUID, ThreadWithReturn[RPCResponse]] = {}
if middlewares is None:
middlewares = self.default_middlewares(web3)
self.middleware_onion: MiddlewareOnion = NamedElementOnion(middlewares)
if provider is None:
self.provider = AutoProvider()
else:
self.provider = provider
class HTTPProvider(JSONBaseProvider):
logger = logging.getLogger("web3.providers.HTTPProvider")
endpoint_uri = None
_request_args = None
_request_kwargs = None
_middlewares = NamedElementOnion([(http_retry_request_middleware, 'http_retry_request')])
def __init__(self, endpoint_uri=None, request_kwargs=None):
if endpoint_uri is None:
self.endpoint_uri = get_default_endpoint()
else:
self.endpoint_uri = endpoint_uri
self._request_kwargs = request_kwargs or {}
super().__init__()
def __str__(self):
return "RPC connection {0}".format(self.endpoint_uri)
@to_dict
def get_request_kwargs(self):
if 'headers' not in self._request_kwargs:
yield 'headers', self.get_request_headers()
for key, value in self._request_kwargs.items():
yield key, value
def get_request_headers(self):
return {
'Content-Type': 'application/json',
'User-Agent': construct_user_agent(str(type(self))),
}
def make_request(self, method, params):
self.logger.debug("Making request HTTP. URI: %s, Method: %s",
self.endpoint_uri, method)
request_data = self.encode_rpc_request(method, params)
raw_response = make_post_request(
self.endpoint_uri,
request_data,
**self.get_request_kwargs()
)
response = self.decode_rpc_response(raw_response)
self.logger.debug("Getting response HTTP. URI: %s, "
"Method: %s, Response: %s",
self.endpoint_uri, method, response)
return response
