Merge pull request #845 from graphprotocol/pcv/l2gns-add-event

fix: emit SignalMinted when a subgraph transfer is finished

Author: pcarranzav

contracts/l2/discovery/L2GNS.sol

@@ -143,6 +143,7 @@ contract L2GNS is GNS, L2GNSV1Storage, IL2GNS {
             _subgraphDeploymentID
         );
         emit SubgraphVersionUpdated(_l2SubgraphID, _subgraphDeploymentID, _versionMetadata);
+        emit SignalMinted(_l2SubgraphID, msg.sender, nSignal, vSignal, transferData.tokens);
         emit SubgraphL2TransferFinalized(_l2SubgraphID);
     }
 

test/l2/l2GNS.test.ts

@@ -391,6 +391,9 @@ describe('L2GNS', () => {
       expect(subgraphAfter.subgraphDeploymentID).eq(newSubgraph0.subgraphDeploymentID)
       const expectedNSignal = await gns.vSignalToNSignal(l2SubgraphId, expectedSignal)
       expect(await gns.getCuratorSignal(l2SubgraphId, me.address)).eq(expectedNSignal)
+      await expect(tx)
+        .emit(gns, 'SignalMinted')
+        .withArgs(l2SubgraphId, me.address, expectedNSignal, expectedSignal, curatedTokens)
     })
     it('cannot be called by someone other than the subgraph owner', async function () {
       const { l1SubgraphId, curatedTokens, subgraphMetadata, versionMetadata } =