Python contract wrappers (#1721)

python-packages/contract_wrappers/stubs/web3/__init__.pyi

@@ -0,0 +1,56 @@
+from typing import Any, Callable, Dict, List, Optional, Union
+
+from hexbytes import HexBytes
+from eth_account.local import LocalAccount
+from web3 import datastructures
+from web3.utils import datatypes
+from web3.providers.base import BaseProvider
+
+
+class Web3:
+    class HTTPProvider(BaseProvider):
+        ...
+
+    def __init__(self, provider: BaseProvider) -> None: ...
+
+    @staticmethod
+    def sha3(
+        primitive: Optional[Union[bytes, int, None]] = None,
+        text: Optional[str] = None,
+        hexstr: Optional[str] = None
+    ) -> bytes: ...
+
+    @staticmethod
+    def isAddress(address: str) -> bool: ...
+
+    class middleware_stack:
+        @staticmethod
+        def get(key: str) -> Callable: ...
+        ...
+
+    class net:
+        version: str
+        ...
+
+
+    class eth:
+        defaultAccount: str
+        accounts: List[str]
+        ...
+
+        class account:
+            @staticmethod
+            def privateKeyToAccount(private_key: str) -> LocalAccount: ...
+            ...
+
+        @staticmethod
+        def getTransactionReceipt(tx_hash: Union[HexBytes, bytes]) -> Any: ...
+        
+        @staticmethod
+        def contract(address: str, abi: Dict) -> datatypes.Contract: ...
+        ...
+
+        @staticmethod
+        def isAddress(address: str) -> bool: ...
+        ...
+    ...