From 3cbe5951dba2b6d987f9ebb52e4ba5f3d0e3c289 Mon Sep 17 00:00:00 2001
From: Kevin Wang <wy721@qq.com>
Date: Mon, 27 Feb 2023 01:48:50 +0000
Subject: [PATCH] node-rpc-ext: Remove rayon

---
 Cargo.lock                                       | 1 -
 crates/phala-node-rpc-ext/Cargo.toml             | 3 ---
 crates/phala-node-rpc-ext/src/storage_changes.rs | 3 +--
 3 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 50433d253a..3b5261a452 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7818,7 +7818,6 @@ dependencies = [
  "phala-mq",
  "phala-node-rpc-ext-types",
  "phala-pallets",
- "rayon",
  "sc-client-api",
  "sc-rpc",
  "sc-transaction-pool-api",
diff --git a/crates/phala-node-rpc-ext/Cargo.toml b/crates/phala-node-rpc-ext/Cargo.toml
index 229e9e1b9a..3e560df0cb 100644
--- a/crates/phala-node-rpc-ext/Cargo.toml
+++ b/crates/phala-node-rpc-ext/Cargo.toml
@@ -32,6 +32,3 @@ phala-mq = { path = "../../crates/phala-mq" }
 phala-pallets = { path = "../../pallets/phala" }
 pallet-mq-runtime-api = { path = "../../pallets/phala/mq-runtime-api" }
 ext-types = { path = "./types", package = "phala-node-rpc-ext-types" }
-
-rayon = "1"
-
diff --git a/crates/phala-node-rpc-ext/src/storage_changes.rs b/crates/phala-node-rpc-ext/src/storage_changes.rs
index 250607137a..25b983e5f2 100644
--- a/crates/phala-node-rpc-ext/src/storage_changes.rs
+++ b/crates/phala-node-rpc-ext/src/storage_changes.rs
@@ -1,6 +1,5 @@
 use super::*;
 pub use ext_types::*;
-use rayon::prelude::*;
 
 /// State RPC errors.
 #[derive(Debug, thiserror::Error)]
@@ -107,7 +106,7 @@ where
     }
 
     headers
-        .into_par_iter()
+        .into_iter()
         .map(|(id, mut header)| -> Result<_, Error> {
             let api = client.runtime_api();
             let hash = client.expect_block_hash_from_id(&id).expect("Should get the block hash");