diff options
Diffstat (limited to 'python-packages/contract_artifacts/src/zero_ex/contract_artifacts/__init__.py')
| -rw-r--r-- | python-packages/contract_artifacts/src/zero_ex/contract_artifacts/__init__.py | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/__init__.py b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/__init__.py deleted file mode 100644 index 18947ee3b..000000000 --- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/__init__.py +++ /dev/null @@ -1,35 +0,0 @@ -"""0x smart contract compilation artifacts.""" - -import json -from typing import Dict -from pkg_resources import resource_string - - -class _ArtifactCache: - """A cache to facilitate lazy & singular loading of contract artifacts.""" - - _contract_name_to_abi: Dict[str, Dict] = {} # class data, not instance - - @classmethod - def contract_name_to_abi(cls, contract_name: str) -> Dict: - """Return the ABI for the given contract name. - - First tries to get data from the class level storage - `_contract_name_to_abi`. If it's not there, loads it from disk, stores - it in the class data (for the next caller), and then returns it. - """ - try: - return cls._contract_name_to_abi[contract_name] - except KeyError: - cls._contract_name_to_abi[contract_name] = json.loads( - resource_string( - "zero_ex.contract_artifacts", - f"artifacts/{contract_name}.json", - ) - )["compilerOutput"]["abi"] - return cls._contract_name_to_abi[contract_name] - - -def abi_by_name(contract_name: str) -> Dict: - """Return the ABI for the named contract.""" - return _ArtifactCache.contract_name_to_abi(contract_name) |