fix: "stealing" of ABIFunction.contract in factory deployment

boa/contracts/abi/abi_contract.py

@@ -341,7 +341,7 @@ def __init__(self, name: str, abi: list[dict], filename: Optional[str] = None):
     def abi(self):
         return self._abi
 
-    @cached_property
+    @property
     def functions(self):
         return [
             ABIFunction(item, self._name)

tests/unitary/contracts/abi/test_abi.py

@@ -237,3 +237,22 @@ def test_abi_invalid_components():
         _ = contract.test.argument_types
 
     assert "Components found in non-tuple type uint256" == str(exc_info.value)
+
+def test_abi_factory_multi_deploy():
+    code = """
+foo: public(uint256)
+
+@external
+def __init__(x: uint256):
+    self.foo = x
+    """
+    contract = boa.loads(code, 5)
+    contract2 = boa.loads(code, 6)
+    factory = ABIContractFactory.from_abi_dict(contract.abi)
+
+    wrapper = factory.at(contract.address)
+    wrapper2 = factory.at(contract2.address)
+
+    assert wrapper.foo() == 5
+    assert wrapper2.foo() == 6
+