mirror of https://github.com/nucypher/nucypher.git
76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
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import json
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from contextlib import contextmanager
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from typing import Union
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from nucypher.blockchain.eth.clients import EthereumClient
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from nucypher.blockchain.eth.networks import NetworksInventory
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from nucypher.blockchain.eth.registry import (
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BaseContractRegistry,
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CanonicalRegistrySource,
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RegistrySourceManager
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)
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from nucypher.config.constants import TEMPORARY_DOMAIN
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from tests.constants import MOCK_ETH_PROVIDER_URI
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from tests.utils.blockchain import TesterBlockchain
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@contextmanager
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def mock_registry_source_manager(test_registry):
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class MockRegistrySource(CanonicalRegistrySource):
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name = "Mock Registry Source"
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is_primary = False
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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if self.network != TEMPORARY_DOMAIN:
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raise ValueError(f"Somehow, MockRegistrySource is trying to get a registry for '{self.network}'. "
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f"Only '{TEMPORARY_DOMAIN}' is supported.'")
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def get_publication_endpoint(self) -> str:
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return f":mock-registry-source:/{self.network}/{self.registry_name}"
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def fetch_latest_publication(self) -> Union[str, bytes]:
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self.logger.debug(f"Reading registry at {self.get_publication_endpoint()}")
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if self.registry_name == BaseContractRegistry.REGISTRY_NAME:
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registry_data = test_registry.read()
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raw_registry_data = json.dumps(registry_data)
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return raw_registry_data
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real_networks = NetworksInventory.NETWORKS
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real_eth_networks = NetworksInventory.ETH_NETWORKS
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real_poly_networks = NetworksInventory.POLY_NETWORKS
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try:
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RegistrySourceManager._FALLBACK_CHAIN = (MockRegistrySource,)
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NetworksInventory.NETWORKS = (TEMPORARY_DOMAIN,)
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NetworksInventory.ETH_NETWORKS = (TEMPORARY_DOMAIN,)
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NetworksInventory.POLY_NETWORKS = (TEMPORARY_DOMAIN,)
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yield real_networks
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finally:
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NetworksInventory.POLY_NETWORKS = real_poly_networks
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NetworksInventory.ETH_NETWORKS = real_eth_networks
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NetworksInventory.NETWORKS = real_networks
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class MockBlockchain(TesterBlockchain):
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ETH_PROVIDER_URI = MOCK_ETH_PROVIDER_URI
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def __init__(self):
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super().__init__(compile_now=False)
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class MockEthereumClient(EthereumClient):
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def __init__(self, w3):
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super().__init__(w3=w3, node_technology=None, version=None, platform=None, backend=None)
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def connect(self, *args, **kwargs) -> bool:
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if 'compile_now' in kwargs:
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raise ValueError("Mock testerchain cannot handle solidity source compilation.")
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return super().connect(compile_now=False, *args, **kwargs)
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