From bd42f156df30694469e6d6a57cf6069feca7d646 Mon Sep 17 00:00:00 2001
From: Boyu Yang <yangby@cryptape.com>
Date: Mon, 16 Oct 2023 16:51:57 +0800
Subject: [PATCH] refactor: set default value of `Hex` to `0x`

---
 protocol/src/lazy.rs            |  2 +-
 protocol/src/types/primitive.rs | 24 +++++++++++++++++-------
 2 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/protocol/src/lazy.rs b/protocol/src/lazy.rs
index 8e2721004..2b715adf9 100644
--- a/protocol/src/lazy.rs
+++ b/protocol/src/lazy.rs
@@ -5,7 +5,7 @@ use crate::{ckb_blake2b_256, types::Hex};
 
 lazy_static::lazy_static! {
     pub static ref CHAIN_ID: ArcSwap<u64> = ArcSwap::from_pointee(Default::default());
-    pub static ref PROTOCOL_VERSION: ArcSwap<Hex> = ArcSwap::from_pointee(Default::default());
+    pub static ref PROTOCOL_VERSION: ArcSwap<Hex> = ArcSwap::from_pointee(Hex::with_length(8));
 
     pub static ref DUMMY_INPUT_OUT_POINT: packed::OutPoint
         = packed::OutPointBuilder::default()
diff --git a/protocol/src/types/primitive.rs b/protocol/src/types/primitive.rs
index eb02ae548..4e4685d97 100644
--- a/protocol/src/types/primitive.rs
+++ b/protocol/src/types/primitive.rs
@@ -79,6 +79,10 @@ impl Hex {
         Hex(Bytes::default())
     }
 
+    pub fn with_length(len: usize) -> Self {
+        Hex(vec![0u8; len].into())
+    }
+
     pub fn is_empty(&self) -> bool {
         self.0.is_empty()
     }
@@ -108,12 +112,6 @@ impl Hex {
     }
 }
 
-impl Default for Hex {
-    fn default() -> Self {
-        Hex(vec![0u8; 8].into())
-    }
-}
-
 impl AsRef<[u8]> for Hex {
     fn as_ref(&self) -> &[u8] {
         &self.0
@@ -459,7 +457,7 @@ pub struct Validator {
     pub vote_weight:    u32,
 }
 
-#[derive(RlpEncodable, RlpDecodable, Serialize, Deserialize, Clone, PartialEq, Eq, Default)]
+#[derive(RlpEncodable, RlpDecodable, Serialize, Deserialize, Clone, PartialEq, Eq)]
 pub struct ValidatorExtend {
     pub bls_pub_key:    Hex,
     pub pub_key:        Hex,
@@ -492,6 +490,18 @@ impl From<&ValidatorExtend> for Validator {
     }
 }
 
+impl Default for ValidatorExtend {
+    fn default() -> Self {
+        Self {
+            bls_pub_key:    Hex::with_length(8),
+            pub_key:        Hex::with_length(8),
+            address:        Default::default(),
+            propose_weight: Default::default(),
+            vote_weight:    Default::default(),
+        }
+    }
+}
+
 impl std::fmt::Debug for ValidatorExtend {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         let bls_pub_key = self.bls_pub_key.as_string_trim0x();