From 743e3b779094ec8770f207bfa15aae7dce180c2e Mon Sep 17 00:00:00 2001
From: Steven Vandevelde <steven.vandevelde@hey.com>
Date: Thu, 21 Mar 2024 14:52:04 +0100
Subject: [PATCH] feat!: Switch to SHA256 hashed CIDs, instead of rs-wnfs
 default Blake3, for better compatibility

---
 packages/nest/src/store.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/nest/src/store.ts b/packages/nest/src/store.ts
index 22d6e80..65aa8ca 100644
--- a/packages/nest/src/store.ts
+++ b/packages/nest/src/store.ts
@@ -31,6 +31,14 @@ export function wnfs(blockstore: Blockstore): WnfsBlockStore {
       const decodedCid = CID.decode(cid)
       await blockstore.put(decodedCid, bytes)
     },
+
+    // Don't hash blocks with the rs-wnfs default Blake 3, sha256 has better support
+    async putBlock(bytes: Uint8Array, codec: number): Promise<Uint8Array> {
+      const hash = await sha256.digest(bytes)
+      const cid = CID.create(1, codec, hash)
+      await blockstore.put(cid, bytes)
+      return cid.bytes
+    },
   }
 }