From fb3c7ce6d30c95365ef0dd5506f2e2bcba24c5b2 Mon Sep 17 00:00:00 2001
From: Aideepakchaudhary <aideepakchaudhary@gmail.com>
Date: Sat, 22 Jun 2024 16:16:52 +0530
Subject: [PATCH 1/4] added-implementation-of-ContainsLengthBound

---
 substrate/frame/membership/src/lib.rs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/substrate/frame/membership/src/lib.rs b/substrate/frame/membership/src/lib.rs
index aa6be6497eea..9a8afde52961 100644
--- a/substrate/frame/membership/src/lib.rs
+++ b/substrate/frame/membership/src/lib.rs
@@ -24,7 +24,7 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use frame_support::{
-	traits::{ChangeMembers, Contains, Get, InitializeMembers, SortedMembers},
+	traits::{ChangeMembers, Contains, Get, InitializeMembers, SortedMembers, ContainsLengthBound},
 	BoundedVec,
 };
 use sp_runtime::traits::{StaticLookup, UniqueSaturatedInto};
@@ -361,6 +361,17 @@ impl<T: Config<I>, I: 'static> Contains<T::AccountId> for Pallet<T, I> {
 	}
 }
 
+impl<T: Config> ContainsLengthBound for Pallet<T> {
+	fn min_len() -> usize {
+		0
+	}
+
+	/// Implementation uses a parameter type so calling is cost-free.
+	fn max_len() -> usize {
+		T::MaxMembers::get() as usize
+	}
+}
+
 impl<T: Config<I>, I: 'static> SortedMembers<T::AccountId> for Pallet<T, I> {
 	fn sorted_members() -> Vec<T::AccountId> {
 		Self::members().to_vec()

From 2af23e7757b8c23d0b7eaaa79424e3e9d186e587 Mon Sep 17 00:00:00 2001
From: Aideepakchaudhary <aideepakchaudhary@gmail.com>
Date: Sat, 22 Jun 2024 17:09:47 +0530
Subject: [PATCH 2/4] added pr_doc

---
 prdoc/pr_4803.prdoc | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 prdoc/pr_4803.prdoc

diff --git a/prdoc/pr_4803.prdoc b/prdoc/pr_4803.prdoc
new file mode 100644
index 000000000000..d94c958bd029
--- /dev/null
+++ b/prdoc/pr_4803.prdoc
@@ -0,0 +1,12 @@
+# Schema: Polkadot SDK PRDoc Schema (prdoc) v1.0.0
+# See doc at https://raw.githubusercontent.com/paritytech/polkadot-sdk/master/prdoc/schema_user.json
+
+title: Implement trait `ContainsLengthBound` for pallet-membership
+
+doc:
+  - audience: Runtime Dev
+    description: |
+      Implement trait ContainsLengthBound for pallet membership otherwise we can't use it with pallet-tips without wrapper
+
+crates:
+  - name: pallet-membership

From 0c8e3ba7b1e0737a5d52b9d1eb950e0d62bac4b8 Mon Sep 17 00:00:00 2001
From: Aideepakchaudhary <aideepakchaudhary@gmail.com>
Date: Sat, 22 Jun 2024 17:38:10 +0530
Subject: [PATCH 3/4] change the name of doc

---
 prdoc/{pr_4803.prdoc => pr_4865.prdoc} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename prdoc/{pr_4803.prdoc => pr_4865.prdoc} (100%)

diff --git a/prdoc/pr_4803.prdoc b/prdoc/pr_4865.prdoc
similarity index 100%
rename from prdoc/pr_4803.prdoc
rename to prdoc/pr_4865.prdoc

From fdd02bcf86ddd8a4ea66c4ac31e5a820993c181e Mon Sep 17 00:00:00 2001
From: Aideepakchaudhary <aideepakchaudhary@gmail.com>
Date: Mon, 24 Jun 2024 15:36:51 +0530
Subject: [PATCH 4/4] some refactor

---
 prdoc/pr_4865.prdoc                   | 1 +
 substrate/frame/membership/src/lib.rs | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/prdoc/pr_4865.prdoc b/prdoc/pr_4865.prdoc
index d94c958bd029..48ffd04219cf 100644
--- a/prdoc/pr_4865.prdoc
+++ b/prdoc/pr_4865.prdoc
@@ -10,3 +10,4 @@ doc:
 
 crates:
   - name: pallet-membership
+    bump: minor
diff --git a/substrate/frame/membership/src/lib.rs b/substrate/frame/membership/src/lib.rs
index 9a8afde52961..8deb4fc022f3 100644
--- a/substrate/frame/membership/src/lib.rs
+++ b/substrate/frame/membership/src/lib.rs
@@ -24,7 +24,7 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use frame_support::{
-	traits::{ChangeMembers, Contains, Get, InitializeMembers, SortedMembers, ContainsLengthBound},
+	traits::{ChangeMembers, Contains, ContainsLengthBound, Get, InitializeMembers, SortedMembers},
 	BoundedVec,
 };
 use sp_runtime::traits::{StaticLookup, UniqueSaturatedInto};