Fix Publish page not prepopulated with older version metadata

Author: MananTank

apps/dashboard/src/app/(dashboard)/contracts/publish/[publish_uri]/page.tsx

@@ -4,7 +4,11 @@ import { getThirdwebClient } from "@/constants/thirdweb.server";
 import { ContractPublishForm } from "components/contract-components/contract-publish-form";
 import { revalidatePath } from "next/cache";
 import { redirect } from "next/navigation";
-import { fetchDeployMetadata } from "thirdweb/contract";
+import {
+  type FetchDeployMetadataResult,
+  fetchDeployMetadata,
+} from "thirdweb/contract";
+import { getPublishedContractsWithPublisherMapping } from "../../../published-contract/[publisher]/[contract_id]/utils/getPublishedContractsWithPublisherMapping";
 
 type DirectDeployPageProps = {
   params: {
@@ -20,10 +24,13 @@ export default async function PublishContractPage(
     ? decodedPublishUri
     : `ipfs://${decodedPublishUri}`;
 
-  const publishMetadata = await fetchDeployMetadata({
-    uri: publishUri,
-    client: getThirdwebClient(),
-  });
+  const publishMetadataFromUri: FetchDeployMetadataResult =
+    await fetchDeployMetadata({
+      uri: publishUri,
+      client: getThirdwebClient(),
+    });
+
+  let publishMetadata = publishMetadataFromUri;
 
   const pathname = `/contracts/publish/${props.params.publish_uri}`;
 
@@ -32,6 +39,29 @@ export default async function PublishContractPage(
     redirect(`/login?next=${encodeURIComponent(pathname)}`);
   }
 
+  // Deploying the next version of a contract scenario:
+  // check if this is a pre-deployed metadata ( doesn't have a version )
+  // If that's the case:
+  // - get the publish metadata with name+publisher address
+  // - merge the two objects with publishMetadataFromUri taking higher precedence
+  if (!publishMetadataFromUri.version) {
+    const publishedContractVersions =
+      await getPublishedContractsWithPublisherMapping({
+        publisher: address,
+        contract_id: publishMetadataFromUri.name,
+      });
+
+    const publishedContract = publishedContractVersions[0];
+
+    if (publishedContract) {
+      publishMetadata = {
+        ...publishedContract,
+        ...publishMetadataFromUri,
+        version: publishedContract.version,
+      };
+    }
+  }
+
   const token = getJWTCookie(address);
   if (!token) {
     redirect(`/login?next=${encodeURIComponent(pathname)}`);