From 205cb962fcc99814caac8e1b9d4f8ffd956eb184 Mon Sep 17 00:00:00 2001
From: Jordan Santell <jsantell@users.noreply.github.com>
Date: Mon, 22 May 2023 11:03:56 -0700
Subject: [PATCH] feat!: Migrate default hashing from blake2b to blake3. (#85)

---
 ucan/src/store.rs | 2 +-
 ucan/src/ucan.rs  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ucan/src/store.rs b/ucan/src/store.rs
index fde943fd..034a4c32 100644
--- a/ucan/src/store.rs
+++ b/ucan/src/store.rs
@@ -120,7 +120,7 @@ impl UcanStore<RawCodec> for MemoryStore {
     ) -> Result<Cid> {
         let codec = RawCodec;
         let block = codec.encode(&token)?;
-        let cid = Cid::new_v1(codec.into(), Code::Blake2b256.digest(&block));
+        let cid = Cid::new_v1(codec.into(), Code::Blake3_256.digest(&block));
 
         let mut dags = self.dags.lock().map_err(|_| anyhow!("poisoned mutex!"))?;
         dags.insert(cid, block);
diff --git a/ucan/src/ucan.rs b/ucan/src/ucan.rs
index 6bd616f7..bd0006d1 100644
--- a/ucan/src/ucan.rs
+++ b/ucan/src/ucan.rs
@@ -190,7 +190,7 @@ impl TryFrom<&Ucan> for Cid {
         let token = value.encode()?;
         let encoded = codec.encode(token.as_bytes())?;
 
-        Ok(Cid::new_v1(codec.into(), Code::Blake2b256.digest(&encoded)))
+        Ok(Cid::new_v1(codec.into(), Code::Blake3_256.digest(&encoded)))
     }
 }