feat: added disputeStatus mapping and enum

Author: MercuricChloride

contracts/disputes/DisputeManager.sol

@@ -482,6 +482,9 @@ contract DisputeManager is DisputeManagerV1Storage, GraphUpgradeable, IDisputeMa
             DisputeType.QueryDispute
         );
 
+        // store the dispute status
+        disputeStatus[disputeID] = IDisputeManager.DisputeStatus.Pending;
+
         emit QueryDisputeCreated(
             disputeID,
             indexer,
@@ -549,6 +552,9 @@ contract DisputeManager is DisputeManagerV1Storage, GraphUpgradeable, IDisputeMa
             DisputeType.IndexingDispute
         );
 
+        // store dispute status
+        disputeStatus[disputeID] = IDisputeManager.DisputeStatus.Pending;
+
         emit IndexingDisputeCreated(disputeID, alloc.indexer, _fisherman, _deposit, _allocationID);
 
         return disputeID;
@@ -563,7 +569,10 @@ contract DisputeManager is DisputeManagerV1Storage, GraphUpgradeable, IDisputeMa
      * @param _disputeID ID of the dispute to be accepted
      */
     function acceptDispute(bytes32 _disputeID) external override onlyArbitrator {
-        Dispute memory dispute = disputes[_disputeID];
+        Dispute memory dispute = _resolveDispute(_disputeID);
+
+        // store dispute status
+        disputeStatus[_disputeID] = IDisputeManager.DisputeStatus.Accepted;
 
         // Slash
         (, uint256 tokensToReward) = _slashIndexer(
@@ -594,6 +603,9 @@ contract DisputeManager is DisputeManagerV1Storage, GraphUpgradeable, IDisputeMa
     function rejectDispute(bytes32 _disputeID) external override onlyArbitrator {
         Dispute memory dispute = _resolveDispute(_disputeID);
 
+        // store dispute status
+        disputeStatus[_disputeID] = IDisputeManager.DisputeStatus.Rejected;
+
         // Handle conflicting dispute if any
         require(
             !_isDisputeInConflict(dispute),
@@ -614,6 +626,9 @@ contract DisputeManager is DisputeManagerV1Storage, GraphUpgradeable, IDisputeMa
     function drawDispute(bytes32 _disputeID) external override onlyArbitrator {
         Dispute memory dispute = _resolveDispute(_disputeID);
 
+        // store dispute status
+        disputeStatus[_disputeID] = IDisputeManager.DisputeStatus.Drawn;
+
         // Return deposit to the fisherman
         TokenUtils.pushTokens(graphToken(), dispute.fisherman, dispute.deposit);
 

contracts/disputes/DisputeManagerStorage.sol

@@ -31,4 +31,8 @@ contract DisputeManagerV1Storage is Managed {
     // Disputes created : disputeID => Dispute
     // disputeID - check creation functions to see how disputeID is built
     mapping(bytes32 => IDisputeManager.Dispute) public disputes;
+
+    // Dispute status : disputeID => DisputeStatus
+    // disputeID - check creation functions to see how disputeID is built
+    mapping(bytes32 => IDisputeManager.DisputeStatus) public disputeStatus;
 }

contracts/disputes/IDisputeManager.sol

@@ -12,6 +12,13 @@ interface IDisputeManager {
         QueryDispute
     }
 
+    enum DisputeStatus {
+        Accepted,
+        Rejected,
+        Drawn,
+        Pending
+    }
+
     // Disputes contain info necessary for the Arbitrator to verify and resolve
     struct Dispute {
         address indexer;