fix creation of RawEvents

boa/contracts/vyper/event.py

@@ -30,5 +30,6 @@ def __repr__(self):
         return f"{self.event_type.name}({args})"
 
 
+@dataclass
 class RawEvent:
     event_data: Any

tests/integration/fork/test_logs.py

@@ -0,0 +1,44 @@
+import pytest
+
+import boa
+from boa.contracts.vyper.event import RawEvent
+from vyper.utils import keccak256
+
+WETH_ADDRESS = "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
+
+code = f"""
+
+interface IWETH:
+    def deposit(): payable
+
+weth9: constant(address) = {WETH_ADDRESS}
+
+@external
+@payable
+def deposit():
+    IWETH(weth9).deposit(value=msg.value)
+
+"""
+
+
+@pytest.fixture(scope="module")
+def simple_contract():
+    return boa.loads(code)
+
+
+def test_logs(simple_contract):
+    eoa = boa.env.generate_address()
+    amount = 10**18
+    boa.env.set_balance(eoa, amount)
+    simple_contract.deposit(value=amount, sender=eoa)
+
+    topic0 = keccak256("Deposit(address,uint256)".encode())
+    expected_log = (
+        0,
+        int(WETH_ADDRESS, 16).to_bytes(20),
+        (int.from_bytes(topic0), int(simple_contract.address, 16)),
+        amount.to_bytes(32)
+    )
+
+    logs = simple_contract.get_logs()
+    assert logs == [RawEvent(expected_log)]