feat: evidence parameter

Author: jaybuidl

contracts/README.md

@@ -16,9 +16,9 @@ Refresh the list of deployed contracts by running `./scripts/generateDeployments
 
 #### Arbitrum Sepolia
 
-- [CurateFactory](https://sepolia.arbiscan.io/address/0x334ccaF11CF578f5acF208eC588aA58253020547)
-- [CurateV2](https://sepolia.arbiscan.io/address/0xb2fe313cdC7e25627fCB7D585E98213e8A4655B2)
-- [CurateView](https://sepolia.arbiscan.io/address/0xaccB6CB6976a7cc935a2C36285E2a46B995d99a6)
+- [CurateFactory](https://sepolia.arbiscan.io/address/0x5D03d22229899cd7Af84a3F0f9c39B24F51c8E21)
+- [CurateV2](https://sepolia.arbiscan.io/address/0x091Ba21a03aab5b4cfee5A770667cc53EF2cB1bc)
+- [CurateView](https://sepolia.arbiscan.io/address/0x7152126B8F9f9A9Bd20A37072D198F59773E61dA)
 
 #### Sepolia
 

contracts/deployments/arbitrumSepoliaDevnet/CurateFactory.json

@@ -411,7 +411,8 @@ contract CurateV2 is IArbitrableV2 {
 
     /// @dev Challenges the request of the item. Accepts enough ETH to cover the deposit, reimburses the rest.
     /// @param _itemID The ID of the item which request to challenge.
-    function challengeRequest(bytes32 _itemID) external payable {
+    /// @param _evidence A link to evidence using its URI.
+    function challengeRequest(bytes32 _itemID, string calldata _evidence) external payable {
         Item storage item = items[_itemID];
         require(item.status > Status.Registered, "The item must have a pending request.");
 
@@ -451,10 +452,16 @@ contract CurateV2 is IArbitrableV2 {
 
         arbitratorDisputeIDToItemID[address(arbitrator)][disputeData.disputeID] = _itemID;
 
+        uint256 requestID = getRequestID(_itemID, lastRequestIndex);
         uint256 templateId = request.requestType == RequestType.Registration
             ? templateIdRegistration
             : templateIdRemoval;
-        emit DisputeRequest(arbitrator, disputeData.disputeID, getRequestID(_itemID, lastRequestIndex), templateId, "");
+        emit DisputeRequest(arbitrator, disputeData.disputeID, requestID, templateId, "");
+
+        // Emit evidence if it was provided.
+        if (bytes(_evidence).length > 0) {
+            arbitrationParams.evidenceModule.submitEvidence(requestID, _evidence); // TODO: add a msg.sender parameter to submitEvidence.
+        }
 
         if (msg.value > totalCost) {
             payable(msg.sender).send(msg.value - totalCost);