From 33837e4c8e9cce89fc426352b66a2c752c3da6b9 Mon Sep 17 00:00:00 2001
From: Emilia Hane <elsaemiliaevahane@gmail.com>
Date: Fri, 4 Oct 2024 13:47:07 +0200
Subject: [PATCH 1/2] Derive Default for Sealed<T>

---
 crates/primitives/src/sealed.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/primitives/src/sealed.rs b/crates/primitives/src/sealed.rs
index f69ded2d6b..eb2a3d28da 100644
--- a/crates/primitives/src/sealed.rs
+++ b/crates/primitives/src/sealed.rs
@@ -4,7 +4,7 @@ use crate::B256;
 ///
 /// We do not implement any specific hashing algorithm here. Instead types
 /// implement the [`Sealable`] trait to provide define their own hash.
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
+#[derive(Clone, Default, Copy, Debug, PartialEq, Eq, Hash)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Sealed<T> {
     /// The inner item

From a8f76e9586b1933773dca496cf2bb45d53375932 Mon Sep 17 00:00:00 2001
From: Emilia Hane <elsaemiliaevahane@gmail.com>
Date: Fri, 4 Oct 2024 19:32:43 +0200
Subject: [PATCH 2/2] Manual impl Default for Sealed<T>

---
 crates/primitives/src/sealed.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/crates/primitives/src/sealed.rs b/crates/primitives/src/sealed.rs
index eb2a3d28da..22e3d21c6c 100644
--- a/crates/primitives/src/sealed.rs
+++ b/crates/primitives/src/sealed.rs
@@ -4,7 +4,7 @@ use crate::B256;
 ///
 /// We do not implement any specific hashing algorithm here. Instead types
 /// implement the [`Sealable`] trait to provide define their own hash.
-#[derive(Clone, Default, Copy, Debug, PartialEq, Eq, Hash)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Sealed<T> {
     /// The inner item
@@ -67,6 +67,15 @@ impl<T> Sealed<T> {
     }
 }
 
+impl<T> Default for Sealed<T>
+where
+    T: Sealable + Default,
+{
+    fn default() -> Self {
+        T::default().seal_slow()
+    }
+}
+
 /// Sealeable objects.
 pub trait Sealable: Sized {
     /// Calculate the seal hash, this may be slow.