def test_middleware_holds_state_across_requests():
provider = BaseProvider()
manager = RequestManager(None, provider, middlewares=[stateful_middleware])
state_a = manager.request_blocking('test_statefulness', [])
assert len(state_a) == 1
state_b = manager.request_blocking('test_statefulness', [])
assert id(state_a) == id(state_b)
assert len(state_b) == 2
def test_making_provider_request():
from testrpc.rpc import RPCMethods
provider = TestRPCProvider(port=get_open_port())
rm = RequestManager(None, provider)
response = rm.request_blocking(method="web3_clientVersion", params=[])
assert response == RPCMethods.web3_clientVersion()
def test_making_provider_request():
from testrpc.rpc import RPCMethods
provider = TheTestRPCProvider(port=get_open_port())
rm = RequestManager(None, provider)
response = rm.request_blocking(method="web3_clientVersion", params=[])
assert response == RPCMethods.web3_clientVersion()
def test_making_provider_request():
from testrpc.rpc import RPCMethods
provider = EthereumTesterProvider()
rm = RequestManager(None, provider)
response = rm.request_blocking(method="web3_clientVersion", params=[])
assert response == RPCMethods.web3_clientVersion()
def test_provider_property_setter_and_getter():
provider = DummyProvider()
manager = RequestManager(None,
provider,
middlewares=[middleware_a, middleware_b])
response = manager.request_blocking('init', ['init'])
assert response['method'] == 'init|middleware-A|middleware-B'
assert response['params'] == ['init', 'middleware-A', 'middleware-B']
assert response['middlewares'] == ['middleware-B', 'middleware-A']
def test_provider_property_setter_and_getter(middleware_factory):
middleware_a = middleware_factory('middleware-A')
middleware_b = middleware_factory('middleware-B')
provider = DummyProvider()
manager = RequestManager(None, provider, middlewares=[middleware_a, middleware_b])
response = manager.request_blocking('init', ['init'])
assert response['method'] == 'init|middleware-A|middleware-B'
assert response['params'] == ['init', 'middleware-A', 'middleware-B']
assert response['middlewares'] == ['middleware-B', 'middleware-A']
class Web3(object):
# Providers
HTTPProvider = HTTPProvider
RPCProvider = RPCProvider
KeepAliveRPCProvider = KeepAliveRPCProvider
IPCProvider = IPCProvider
TestRPCProvider = TestRPCProvider
EthereumTesterProvider = EthereumTesterProvider
# Managers
RequestManager = RequestManager
# Iban
Iban = Iban
# Encoding and Decoding
toHex = staticmethod(to_hex)
toAscii = staticmethod(decode_hex)
toUtf8 = staticmethod(compose(force_text, decode_hex))
fromAscii = staticmethod(encode_hex)
fromUtf8 = staticmethod(encode_hex)
toDecimal = staticmethod(to_decimal)
fromDecimal = staticmethod(from_decimal)
# Currency Utility
toWei = staticmethod(to_wei)
fromWei = staticmethod(from_wei)
# Address Utility
isAddress = staticmethod(is_address)
isChecksumAddress = staticmethod(is_checksum_address)
toChecksumAddress = staticmethod(to_checksum_address)
def __init__(self, providers, middlewares=None, modules=None):
self.manager = RequestManager(self, providers, middlewares)
if modules is None:
modules = get_default_modules()
for module_name, module_class in modules.items():
if hasattr(self, module_name):
raise AttributeError(
"Cannot set web3 module named '{0}'. The web3 object "
"already has an attribute with that name".format(
module_name))
setattr(self, module_name, module_class(self))
@property
def providers(self):
return self.manager.providers
def setProviders(self, providers):
self.manager.setProvider(providers)
def setManager(self, manager):
warnings.warn(
DeprecationWarning(
"The `setManager` method has been deprecated. Please update your "
"code to directly set the `manager` property."))
self.manager = manager
@property
def currentProvider(self):
warnings.warn(
DeprecationWarning(
"The `currentProvider` property has been renamed to `providers` and is now a list."
))
return self.manager.providers[0]
@coerce_return_to_text
def sha3(self, value, encoding="hex"):
if encoding == 'hex':
hex_string = value
else:
hex_string = encode_hex(value)
return self.manager.request_blocking('web3_sha3', [hex_string])
def isConnected(self):
for provider in self.providers:
if provider.isConnected():
return True
else:
return False
class Web3(object):
# Providers
HTTPProvider = HTTPProvider
RPCProvider = RPCProvider
KeepAliveRPCProvider = KeepAliveRPCProvider
IPCProvider = IPCProvider
TestRPCProvider = TestRPCProvider
EthereumTesterProvider = EthereumTesterProvider
# Managers
RequestManager = RequestManager
# Iban
Iban = Iban
# Encoding and Decoding
toHex = staticmethod(to_hex)
toAscii = staticmethod(decode_hex)
toUtf8 = staticmethod(compose(force_text, decode_hex))
fromAscii = staticmethod(encode_hex)
fromUtf8 = staticmethod(encode_hex)
toDecimal = staticmethod(to_decimal)
fromDecimal = staticmethod(from_decimal)
# Currency Utility
toWei = staticmethod(to_wei)
fromWei = staticmethod(from_wei)
# Address Utility
isAddress = staticmethod(is_address)
isChecksumAddress = staticmethod(is_checksum_address)
toChecksumAddress = staticmethod(to_checksum_address)
def __init__(self, providers, middlewares=None, modules=None):
self.manager = RequestManager(self, providers, middlewares)
if modules is None:
modules = get_default_modules()
for module_name, module_class in modules.items():
if hasattr(self, module_name):
raise AttributeError(
"Cannot set web3 module named '{0}'. The web3 object "
"already has an attribute with that name".format(
module_name))
setattr(self, module_name, module_class(self))
def add_middleware(self, middleware):
"""
Convenience API for RequestManager.add_middleware
"""
self.manager.add_middleware(middleware)
def clear_middlewares(self):
"""
Convenience API for RequestManager.clear_middlewares
"""
self.manager.clear_middlewares()
@property
def providers(self):
return self.manager.providers
def setProviders(self, providers):
self.manager.setProvider(providers)
def setManager(self, manager):
warnings.warn(
DeprecationWarning(
"The `setManager` method has been deprecated. Please update your "
"code to directly set the `manager` property."))
self.manager = manager
@property
def currentProvider(self):
warnings.warn(
DeprecationWarning(
"The `currentProvider` property has been renamed to `providers` and is now a list."
))
return self.manager.providers[0]
@coerce_return_to_text
def sha3(self, value, encoding="hex"):
if encoding == 'hex':
hex_string = value
else:
hex_string = encode_hex(value)
return self.manager.request_blocking('web3_sha3', [hex_string])
def soliditySha3(self, abi_types, values):
"""
Executes sha3 (keccak256) exactly as Solidity does.
Takes list of abi_types as inputs -- `[uint24, int8[], bool]`
and list of corresponding values -- `[20, [-1, 5, 0], True]`
"""
if len(abi_types) != len(values):
raise ValueError(
"Length mismatch between provided abi types and values. Got "
"{0} types and {1} values.".format(len(abi_types),
len(values)))
hex_string = add_0x_prefix(''.join(
remove_0x_prefix(hex_encode_abi_type(abi_type, value))
for abi_type, value in zip(abi_types, values)))
return self.sha3(hex_string, encoding="hex")
def isConnected(self):
for provider in self.providers:
if provider.isConnected():
return True
else:
return False
