From 1da255e5131f84ff8e8e991e4a70f1c802ba5a70 Mon Sep 17 00:00:00 2001
From: Kevin Wang <wy721@qq.com>
Date: Fri, 8 Dec 2023 15:16:41 +0000
Subject: [PATCH] Add hash blake2b512

---
 examples/hash-bench.js     | 1 +
 src/host_functions/hash.rs | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/hash-bench.js b/examples/hash-bench.js
index a7b962a..b5a071c 100644
--- a/examples/hash-bench.js
+++ b/examples/hash-bench.js
@@ -13,3 +13,4 @@ bench("sha256", iterations);
 bench("keccak256", iterations);
 bench("blake2b128", iterations);
 bench("blake2b256", iterations);
+bench("blake2b512", iterations);
diff --git a/src/host_functions/hash.rs b/src/host_functions/hash.rs
index f27cad9..003defd 100644
--- a/src/host_functions/hash.rs
+++ b/src/host_functions/hash.rs
@@ -1,7 +1,7 @@
 use super::Result;
 use anyhow::bail;
 use blake2::{
-    digest::typenum::{U16, U32},
+    digest::typenum::{U16, U32, U64},
     Blake2b, Digest,
 };
 use js::AsBytes;
@@ -24,6 +24,7 @@ fn hash(algorithm: js::JsString, message: AsBytes<Vec<u8>>) -> Result<AsBytes<Ve
         "keccak256" => do_hash::<sha3::Keccak256>(message.0),
         "blake2b128" => do_hash::<Blake2b<U16>>(message.0),
         "blake2b256" => do_hash::<Blake2b<U32>>(message.0),
+        "blake2b512" => do_hash::<Blake2b<U64>>(message.0),
         _ => bail!("Unsupported hash algorithm: {}", algorithm.as_str()),
     };
     Ok(hash.into())