handled failed publishing

src/routes/api/repos/[npub]/[repo]/fork/+server.ts

@@ -8,7 +8,7 @@ import { RepoManager } from '$lib/services/git/repo-manager.js';
 import { DEFAULT_NOSTR_RELAYS, combineRelays, getGitUrl } from '$lib/config.js';
 import { getUserRelays } from '$lib/services/nostr/user-relays.js';
 import { NostrClient } from '$lib/services/nostr/nostr-client.js';
-import { KIND } from '$lib/types/nostr.js';
+import { KIND, type NostrEvent } from '$lib/types/nostr.js';
 import { nip19 } from 'nostr-tools';
 import { signEventWithNIP07 } from '$lib/services/nostr/nip07-signer.js';
 import { OwnershipTransferService } from '$lib/services/nostr/ownership-transfer-service.js';
@@ -22,6 +22,45 @@ const repoRoot = process.env.GIT_REPO_ROOT || '/repos';
 const repoManager = new RepoManager(repoRoot);
 const nostrClient = new NostrClient(DEFAULT_NOSTR_RELAYS);
 
+/**
+ * Retry publishing an event with exponential backoff
+ * Attempts up to 3 times with delays: 1s, 2s, 4s
+ */
+async function publishEventWithRetry(
+  event: NostrEvent,
+  relays: string[],
+  eventName: string,
+  maxAttempts: number = 3
+): Promise<{ success: string[]; failed: Array<{ relay: string; error: string }> }> {
+  let lastResult: { success: string[]; failed: Array<{ relay: string; error: string }> } | null = null;
+  
+  for (let attempt = 1; attempt <= maxAttempts; attempt++) {
+    console.log(`[Fork] Publishing ${eventName} - Attempt ${attempt}/${maxAttempts}...`);
+    
+    lastResult = await nostrClient.publishEvent(event, relays);
+    
+    if (lastResult.success.length > 0) {
+      console.log(`[Fork] ✓ ${eventName} published successfully to ${lastResult.success.length} relay(s): ${lastResult.success.join(', ')}`);
+      if (lastResult.failed.length > 0) {
+        console.warn(`[Fork] ⚠ Some relays failed: ${lastResult.failed.map(f => `${f.relay}: ${f.error}`).join(', ')}`);
+      }
+      return lastResult;
+    }
+    
+    if (attempt < maxAttempts) {
+      const delayMs = Math.pow(2, attempt - 1) * 1000; // 1s, 2s, 4s
+      console.warn(`[Fork] ✗ ${eventName} failed on attempt ${attempt}. Retrying in ${delayMs}ms...`);
+      console.warn(`[Fork] Failed relays: ${lastResult.failed.map(f => `${f.relay}: ${f.error}`).join(', ')}`);
+      await new Promise(resolve => setTimeout(resolve, delayMs));
+    }
+  }
+  
+  // All attempts failed
+  console.error(`[Fork] ✗ ${eventName} failed after ${maxAttempts} attempts`);
+  console.error(`[Fork] All relay failures: ${lastResult?.failed.map(f => `${f.relay}: ${f.error}`).join(', ')}`);
+  return lastResult!;
+}
+
 /**
  * POST - Fork a repository
  * Body: { userPubkey, forkName? }
@@ -57,10 +96,12 @@ export const POST: RequestHandler = async ({ params, request }) => {
     // Decode user pubkey if needed
     let userPubkeyHex = userPubkey;
     try {
-      const userDecoded = nip19.decode(userPubkey);
-      if (userDecoded.type === 'npub') {
-        userPubkeyHex = userDecoded.data as string;
+      const userDecoded = nip19.decode(userPubkey) as { type: string; data: unknown };
+      // Type guard: check if it's an npub
+      if (userDecoded.type === 'npub' && typeof userDecoded.data === 'string') {
+        userPubkeyHex = userDecoded.data;
       }
+      // If not npub, assume it's already hex
     } catch {
       // Assume it's already hex
     }
@@ -150,34 +191,108 @@ export const POST: RequestHandler = async ({ params, request }) => {
     const { outbox } = await getUserRelays(userPubkeyHex, nostrClient);
     const combinedRelays = combineRelays(outbox);
 
-    const publishResult = await nostrClient.publishEvent(signedForkAnnouncement, combinedRelays);
+    console.log(`[Fork] Starting fork process for ${forkRepoName} by ${userNpub}`);
+    console.log(`[Fork] Using ${combinedRelays.length} relay(s): ${combinedRelays.join(', ')}`);
+
+    const publishResult = await publishEventWithRetry(
+      signedForkAnnouncement,
+      combinedRelays,
+      'fork announcement',
+      3
+    );
 
     if (publishResult.success.length === 0) {
       // Clean up repo if announcement failed
+      console.error(`[Fork] ✗ Fork announcement failed after all retries. Cleaning up repository.`);
       await execAsync(`rm -rf "${forkRepoPath}"`).catch(() => {});
-      return error(500, 'Failed to publish fork announcement to relays');
+      const errorDetails = `All relays failed: ${publishResult.failed.map(f => `${f.relay}: ${f.error}`).join('; ')}`;
+      return json({
+        success: false,
+        error: 'Failed to publish fork announcement to relays after 3 attempts',
+        details: errorDetails,
+        eventName: 'fork announcement'
+      }, { status: 500 });
     }
 
     // Create and publish initial ownership proof (self-transfer event)
+    // This MUST succeed for the fork to be valid - without it, there's no proof of ownership on Nostr
     const ownershipService = new OwnershipTransferService(combinedRelays);
     const initialOwnershipEvent = ownershipService.createInitialOwnershipEvent(userPubkeyHex, forkRepoName);
     const signedOwnershipEvent = await signEventWithNIP07(initialOwnershipEvent);
     
-    await nostrClient.publishEvent(signedOwnershipEvent, combinedRelays).catch(err => {
-      console.warn('Failed to publish initial ownership event for fork:', err);
-    });
+    const ownershipPublishResult = await publishEventWithRetry(
+      signedOwnershipEvent,
+      combinedRelays,
+      'ownership transfer event',
+      3
+    );
+
+    if (ownershipPublishResult.success.length === 0) {
+      // Clean up repo if ownership proof failed
+      console.error(`[Fork] ✗ Ownership transfer event failed after all retries. Cleaning up repository and publishing deletion request.`);
+      await execAsync(`rm -rf "${forkRepoPath}"`).catch(() => {});
+      
+      // Publish deletion request (NIP-09) for the announcement since it's invalid without ownership proof
+      console.log(`[Fork] Publishing deletion request for invalid fork announcement...`);
+      const deletionRequest = {
+        kind: 5, // NIP-09: Event Deletion Request
+        pubkey: userPubkeyHex,
+        created_at: Math.floor(Date.now() / 1000),
+        content: 'Fork failed: ownership transfer event could not be published after 3 attempts. This announcement is invalid.',
+        tags: [
+          ['a', `30617:${userPubkeyHex}:${forkRepoName}`], // Reference to the repo announcement
+          ['k', KIND.REPO_ANNOUNCEMENT.toString()] // Kind of event being deleted
+        ]
+      };
+      
+      const signedDeletionRequest = await signEventWithNIP07(deletionRequest);
+      const deletionResult = await publishEventWithRetry(
+        signedDeletionRequest,
+        combinedRelays,
+        'deletion request',
+        3
+      );
+      
+      if (deletionResult.success.length > 0) {
+        console.log(`[Fork] ✓ Deletion request published successfully`);
+      } else {
+        console.error(`[Fork] ✗ Failed to publish deletion request: ${deletionResult.failed.map(f => `${f.relay}: ${f.error}`).join(', ')}`);
+      }
+      
+      const errorDetails = `Fork is invalid without ownership proof. All relays failed: ${ownershipPublishResult.failed.map(f => `${f.relay}: ${f.error}`).join('; ')}. Deletion request ${deletionResult.success.length > 0 ? 'published' : 'failed to publish'}.`;
+      return json({
+        success: false,
+        error: 'Failed to publish ownership transfer event to relays after 3 attempts',
+        details: errorDetails,
+        eventName: 'ownership transfer event'
+      }, { status: 500 });
+    }
 
     // Provision the fork repo (this will create verification file and include self-transfer)
+    console.log(`[Fork] Provisioning fork repository...`);
     await repoManager.provisionRepo(signedForkAnnouncement, signedOwnershipEvent, false);
 
+    console.log(`[Fork] ✓ Fork completed successfully!`);
+    console.log(`[Fork]   - Repository: ${userNpub}/${forkRepoName}`);
+    console.log(`[Fork]   - Announcement ID: ${signedForkAnnouncement.id}`);
+    console.log(`[Fork]   - Ownership transfer ID: ${signedOwnershipEvent.id}`);
+    console.log(`[Fork]   - Published to ${publishResult.success.length} relay(s) for announcement`);
+    console.log(`[Fork]   - Published to ${ownershipPublishResult.success.length} relay(s) for ownership transfer`);
+
     return json({
       success: true,
       fork: {
         npub: userNpub,
         repo: forkRepoName,
         url: forkGitUrl,
-        announcementId: signedForkAnnouncement.id
+        announcementId: signedForkAnnouncement.id,
+        ownershipTransferId: signedOwnershipEvent.id,
+        publishedTo: {
+          announcement: publishResult.success.length,
+          ownershipTransfer: ownershipPublishResult.success.length
         }
+      },
+      message: `Repository forked successfully! Published to ${publishResult.success.length} relay(s) for announcement and ${ownershipPublishResult.success.length} relay(s) for ownership proof.`
     });
   } catch (err) {
     console.error('Error forking repository:', err);

src/routes/repos/[npub]/[repo]/+page.svelte

@@ -156,22 +156,45 @@
     error = null;
 
     try {
+      console.log(`[Fork UI] Starting fork of ${npub}/${repo}...`);
       const response = await fetch(`/api/repos/${npub}/${repo}/fork`, {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({ userPubkey })
       });
 
-      if (response.ok) {
       const data = await response.json();
-        alert(`Repository forked successfully! Visit /repos/${data.fork.npub}/${data.fork.repo}`);
+      
+      if (response.ok && data.success !== false) {
+        const message = data.message || `Repository forked successfully! Published to ${data.fork?.publishedTo?.announcement || 0} relay(s).`;
+        console.log(`[Fork UI] ✓ ${message}`);
+        console.log(`[Fork UI]   - Fork location: /repos/${data.fork.npub}/${data.fork.repo}`);
+        console.log(`[Fork UI]   - Announcement ID: ${data.fork.announcementId}`);
+        console.log(`[Fork UI]   - Ownership Transfer ID: ${data.fork.ownershipTransferId}`);
+        
+        alert(`✓ ${message}\n\nRedirecting to your fork...`);
         goto(`/repos/${data.fork.npub}/${data.fork.repo}`);
       } else {
-        const data = await response.json();
-        error = data.error || 'Failed to fork repository';
+        const errorMessage = data.error || 'Failed to fork repository';
+        const errorDetails = data.details ? `\n\nDetails: ${data.details}` : '';
+        const fullError = `${errorMessage}${errorDetails}`;
+        
+        console.error(`[Fork UI] ✗ Fork failed: ${errorMessage}`);
+        if (data.details) {
+          console.error(`[Fork UI] Details: ${data.details}`);
+        }
+        if (data.eventName) {
+          console.error(`[Fork UI] Failed event: ${data.eventName}`);
+        }
+        
+        error = fullError;
+        alert(`✗ Fork failed!\n\n${fullError}`);
       }
     } catch (err) {
-      error = err instanceof Error ? err.message : 'Failed to fork repository';
+      const errorMessage = err instanceof Error ? err.message : 'Failed to fork repository';
+      console.error(`[Fork UI] ✗ Unexpected error: ${errorMessage}`, err);
+      error = errorMessage;
+      alert(`✗ Fork failed!\n\n${errorMessage}`);
     } finally {
       forking = false;
     }