fix integration test

tests/integration_tests/hardhat/contracts/Greeter.sol

@@ -1,6 +1,7 @@
 pragma solidity >0.5.0;
 
 contract Greeter {
+    uint public n;
     string public greeting;
 
     event ChangeGreeting(address from, string value);
@@ -17,4 +18,8 @@ contract Greeter {
     function greet() public view returns (string memory) {
         return greeting;
     }
+
+    function intValue() public view returns (uint) {
+        return n;
+    }
 }

tests/integration_tests/test_call.py

@@ -1,17 +1,34 @@
-from web3 import Web3
 import json
+from web3 import Web3
+from web3._utils.contracts import encode_transaction_data
+from hexbytes import HexBytes
 
 from .utils import CONTRACTS
 
 
-def test_state_override(ethermint):
-    w3: Web3 = ethermint.w3
-    info = json.loads(CONTRACTS['Greeter'].read_text())
-    address = "0x0000000000000000000000000000ffffffffffff"
+def test_state_override(cronos):
+    state = 100
+    w3: Web3 = cronos.w3
+    info = json.loads(CONTRACTS["Greeter"].read_text())
+    data = encode_transaction_data(w3, "intValue", info["abi"])
+    # call an arbitrary address
+    address = w3.toChecksumAddress("0x0000000000000000000000000000ffffffffffff")
     overrides = {
         address: {
-            "code": info['deployedBytecode'],
+            "code": info["deployedBytecode"],
+            "state": {
+                ("0x" + "0" * 64): HexBytes(
+                    w3.codec.encode(("uint256",), (state,))
+                ).hex(),
+            },
         },
     }
-    contract = w3.eth.contract(abi=info['abi'], address=address)
-    print(contract.greet().call("latest", overrides))
+    result = w3.eth.call(
+        {
+            "to": address,
+            "data": data,
+        },
+        "latest",
+        overrides,
+    )
+    assert (state,) == w3.codec.decode(("uint256",), result)