def test_pass_name_resolver(w3):
return_chain_on_mainnet = construct_fixture_middleware({
'net_version': '1',
})
return_balance = construct_fixture_middleware({'eth_getBalance': BALANCE})
w3.middleware_onion.inject(return_chain_on_mainnet, layer=0)
w3.middleware_onion.inject(return_balance, layer=0)
assert w3.eth.getBalance(NAME) == BALANCE
def test_fail_name_resolver(w3):
return_chain_on_mainnet = construct_fixture_middleware({
'net_version': '2',
})
w3.middleware_onion.inject(return_chain_on_mainnet, layer=0)
with pytest.raises(InvalidAddress, match=r'.*ethereum\.eth.*'):
w3.eth.getBalance("ethereum.eth")
def test_full_extra_data(web3):
return_block_with_long_extra_data = construct_fixture_middleware({
'eth_getBlockByNumber': {
'extraData': '0x' + 'ff' * 32
},
})
web3.middleware_onion.inject(return_block_with_long_extra_data, layer=0)
block = web3.eth.getBlock('latest')
assert block.extraData == b'\xff' * 32
def test_long_extra_data(web3):
return_block_with_long_extra_data = construct_fixture_middleware({
'eth_getBlockByNumber': {
'extraData': '0x' + 'ff' * 33
},
})
web3.middleware_onion.inject(return_block_with_long_extra_data, layer=0)
with pytest.raises(ValidationError):
web3.eth.getBlock('latest')
def test_fixture_middleware(w3, method, expected):
w3.middleware_onion.add(
construct_fixture_middleware({'test_endpoint': 'value-a'}))
if isinstance(expected, type) and issubclass(expected, Exception):
with pytest.raises(expected):
w3.manager.request_blocking(method, [])
else:
actual = w3.manager.request_blocking(method, [])
assert actual == expected
def test_web3_auto_gethdev():
assert isinstance(w3.provider, IPCProvider)
return_block_with_long_extra_data = construct_fixture_middleware({
'eth_getBlockByNumber': {
'extraData': '0x' + 'ff' * 33
},
})
w3.middleware_onion.inject(return_block_with_long_extra_data, layer=0)
block = w3.eth.getBlock('latest')
assert 'extraData' not in block
assert block.proofOfAuthorityData == b'\xff' * 33
def test_geth_proof_of_authority(web3):
return_block_with_long_extra_data = construct_fixture_middleware({
'eth_getBlockByNumber': {
'extraData': '0x' + 'ff' * 33
},
})
web3.middleware_onion.inject(geth_poa_middleware, layer=0)
web3.middleware_onion.inject(return_block_with_long_extra_data, layer=0)
block = web3.eth.getBlock('latest')
assert 'extraData' not in block
assert block.proofOfAuthorityData == b'\xff' * 33