def get_web3_provider():
"""Get Web3 instance. Supports websocket, http, ipc."""
global hostname
protocol = get_setting('rpc', 'protocol')
if hostname is None:
hostname = get_setting('rpc', 'hostname')
port = get_setting('rpc', 'port')
if hostname.find(".r1.") != -1:
hostname = hostname.replace(".r1.", ".r2.")
elif hostname.find(".r2.") != -1:
hostname = hostname.replace(".r2.", ".r1.")
console.info("get_web3_provider, RPC hostname => " + hostname)
timeout = 30
#if timeout is None:
# try:
# timeout = int(get_setting('rpc', 'timeout'))
# except KeyError:
# timeout = 15 # default timeout is 15 seconds
if protocol == 'ws' or protocol == 'wss':
provider = WebsocketProvider(
"%s://%s:%s" % (
protocol,
hostname,
port),
websocket_kwargs={'timeout':timeout}
)
provider.egs_timeout = timeout
return Web3(provider)
elif protocol == 'http' or protocol == 'https':
provider = HTTPProvider(
"%s://%s:%s" % (
protocol,
hostname,
port),
request_kwargs={'timeout':timeout}
)
provider.egs_timeout = timeout
return Web3(provider)
elif protocol == 'ipc':
provider = IPCProvider(
hostname,
timeout=timeout
)
provider.egs_timeout = timeout
return Web3(provider)
else:
raise Exception("Can't set web3 provider type %s" % str(protocol))
def get_web3_provider(protocol=None, hostname=None, port=None, timeout=None):
"""Get Web3 instance. Supports websocket, http, ipc."""
if protocol is None:
protocol = get_setting('rpc', 'protocol')
if hostname is None:
hostname = get_setting('rpc', 'hostname')
if port is None:
port = get_setting('rpc', 'port')
if timeout is None:
try:
timeout = int(get_setting('rpc', 'timeout'))
except KeyError:
timeout = 15 # default timeout is 15 seconds
if protocol == 'ws' or protocol == 'wss':
provider = WebsocketProvider(
"%s://%s:%s" % (
protocol,
hostname,
port),
websocket_kwargs={'timeout':timeout}
)
provider.egs_timeout = timeout
return Web3(provider)
elif protocol == 'http' or protocol == 'https':
provider = HTTPProvider(
"%s://%s:%s" % (
protocol,
hostname,
port),
request_kwargs={'timeout':timeout}
)
provider.egs_timeout = timeout
return Web3(provider)
elif protocol == 'ipc':
provider = IPCProvider(
hostname,
timeout=timeout
)
provider.egs_timeout = timeout
return Web3(provider)
else:
raise Exception("Can't set web3 provider type %s" % str(protocol))