Update deletion flow to handle deployments without canonical deployments

packages/backend/src/service.ts

@@ -1289,13 +1289,38 @@ export class Service {
           },
         })
 
+        // If the canonical deployment is not present then query the chain for the deployment record for backwards compatibility
         if (!canonicalDeployment) {
-          log(`Canonical deployment for deployment with id ${deployment.id} not found`);
+          log(`Canonical deployment for deployment with id ${deployment.id} not found, querying the chain..`);
+          const currentDeploymentURL = `https://${(deployment.project.name).toLowerCase()}.${deployment.deployer.baseDomain}`;
+
+          const deploymentRecords =
+            await this.laconicRegistry.getDeploymentRecordsByFilter({
+              application: deployment.applicationRecordId,
+              url: currentDeploymentURL,
+            });
+
+          if (!deploymentRecords.length) {
+            log(
+              `No ApplicationDeploymentRecord found for URL ${currentDeploymentURL} and ApplicationDeploymentRecord id ${deployment.applicationDeploymentRecordId}`,
+            );
 
             return false;
           }
 
-        const dnsResult =
+          // Multiple records are fetched, take the latest record
+          const latestRecord = deploymentRecords
+            .sort((a, b) => new Date(b.createTime).getTime() - new Date(a.createTime).getTime())[0];
+
+          await this.laconicRegistry.createApplicationDeploymentRemovalRequest({
+            deploymentId: latestRecord.id,
+            deployerLrn: deployment.deployer.deployerLrn,
+            auctionId: deployment.project.auctionId,
+            payment: deployment.project.txHash
+          });
+        } else {
+          // If canonical deployment is found in the DB, then send the removal request with that deployment record Id
+          const result =
             await this.laconicRegistry.createApplicationDeploymentRemovalRequest({
               deploymentId: canonicalDeployment.applicationDeploymentRecordId!,
               deployerLrn: canonicalDeployment.deployer.deployerLrn,
@@ -1306,11 +1331,12 @@ export class Service {
           await this.db.updateDeploymentById(canonicalDeployment.id, {
             status: DeploymentStatus.Deleting,
             applicationDeploymentRemovalRequestId:
-            dnsResult.applicationDeploymentRemovalRequestId,
+              result.applicationDeploymentRemovalRequestId,
             applicationDeploymentRemovalRequestData:
-            dnsResult.applicationDeploymentRemovalRequestData,
+              result.applicationDeploymentRemovalRequestData,
           });
         }
+      }
 
       const result =
         await this.laconicRegistry.createApplicationDeploymentRemovalRequest({