omfg

Author: bkontur

examples/store_big_data.js

@@ -259,15 +259,17 @@ async function main() {
 
         console.log(`Storing DAG...`);
         let { rootCid, dagBytes } = await buildUnixFSDagPB(chunks, 0xb220);
+        // Store with dag-pb codec (0x70) to match rootCid from buildUnixFSDagPB
         let { cid } = await store(
             bulletinAPI,
             signers[0].signer,
             dagBytes,
-            undefined,
-            undefined,
+            0x70,   // dag-pb codec
+            0xb220, // blake2b-256
             TX_MODE_FINALIZED_BLOCK
         );
         console.log(`Downloading...${cid} / ${rootCid}`);
+        assert.deepStrictEqual(cid, rootCid, '❌ CID mismatch between stored and computed DAG root');
         let downloadedContent = await fetchCid(HTTP_IPFS_API, rootCid);
         console.log(`✅ Reconstructed file size: ${downloadedContent.length} bytes`);
         await fileToDisk(downloadedFileByDagPath, downloadedContent);