From aa3a75a57dcc5686b0e8870ce42b811eab63e53b Mon Sep 17 00:00:00 2001
From: Ron <yrong1997@gmail.com>
Date: Tue, 26 Mar 2024 23:23:14 +0800
Subject: [PATCH] Remove MaxExecutionHeadersToKeep (#129)

---
 bridges/snowbridge/pallets/ethereum-client/src/lib.rs        | 3 ---
 bridges/snowbridge/pallets/ethereum-client/src/mock.rs       | 2 --
 bridges/snowbridge/pallets/inbound-queue/src/mock.rs         | 4 +---
 .../runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs        | 5 -----
 4 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/bridges/snowbridge/pallets/ethereum-client/src/lib.rs b/bridges/snowbridge/pallets/ethereum-client/src/lib.rs
index a8442b1e46ee..0f6581fba167 100644
--- a/bridges/snowbridge/pallets/ethereum-client/src/lib.rs
+++ b/bridges/snowbridge/pallets/ethereum-client/src/lib.rs
@@ -84,9 +84,6 @@ pub mod pallet {
 		type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
 		#[pallet::constant]
 		type ForkVersions: Get<ForkVersions>;
-		/// Maximum number of execution headers to keep
-		#[pallet::constant]
-		type MaxExecutionHeadersToKeep: Get<u32>;
 		type WeightInfo: WeightInfo;
 	}
 
diff --git a/bridges/snowbridge/pallets/ethereum-client/src/mock.rs b/bridges/snowbridge/pallets/ethereum-client/src/mock.rs
index 5b295e02a290..bd6144ebd8f9 100644
--- a/bridges/snowbridge/pallets/ethereum-client/src/mock.rs
+++ b/bridges/snowbridge/pallets/ethereum-client/src/mock.rs
@@ -98,13 +98,11 @@ parameter_types! {
 			epoch: 0,
 		}
 	};
-	pub const ExecutionHeadersPruneThreshold: u32 = 8192;
 }
 
 impl ethereum_beacon_client::Config for Test {
 	type RuntimeEvent = RuntimeEvent;
 	type ForkVersions = ChainForkVersions;
-	type MaxExecutionHeadersToKeep = ExecutionHeadersPruneThreshold;
 	type WeightInfo = ();
 }
 
diff --git a/bridges/snowbridge/pallets/inbound-queue/src/mock.rs b/bridges/snowbridge/pallets/inbound-queue/src/mock.rs
index 0b34e11b3b21..c96c868bc26e 100644
--- a/bridges/snowbridge/pallets/inbound-queue/src/mock.rs
+++ b/bridges/snowbridge/pallets/inbound-queue/src/mock.rs
@@ -4,7 +4,7 @@ use super::*;
 
 use frame_support::{
 	derive_impl, parameter_types,
-	traits::{ConstU128, ConstU32, Everything},
+	traits::{ConstU32, Everything},
 	weights::IdentityFee,
 };
 use hex_literal::hex;
@@ -88,7 +88,6 @@ impl pallet_balances::Config for Test {
 }
 
 parameter_types! {
-	pub const ExecutionHeadersPruneThreshold: u32 = 10;
 	pub const ChainForkVersions: ForkVersions = ForkVersions{
 		genesis: Fork {
 			version: [0, 0, 0, 1], // 0x00000001
@@ -116,7 +115,6 @@ parameter_types! {
 impl snowbridge_pallet_ethereum_client::Config for Test {
 	type RuntimeEvent = RuntimeEvent;
 	type ForkVersions = ChainForkVersions;
-	type MaxExecutionHeadersToKeep = ExecutionHeadersPruneThreshold;
 	type WeightInfo = ();
 }
 
diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs
index 2fa4bac4731b..c3719903bbfa 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs
@@ -640,14 +640,9 @@ parameter_types! {
 	};
 }
 
-parameter_types! {
-	pub const MaxExecutionHeadersToKeep: u32 = 8192 * 20;
-}
-
 impl snowbridge_pallet_ethereum_client::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type ForkVersions = ChainForkVersions;
-	type MaxExecutionHeadersToKeep = MaxExecutionHeadersToKeep;
 	type WeightInfo = weights::snowbridge_pallet_ethereum_client::WeightInfo<Runtime>;
 }