From 9d40863f76a26828e9781cca672ba8445bf6c4ee Mon Sep 17 00:00:00 2001
From: Kien <kien@notional.ventures>
Date: Tue, 21 May 2024 22:38:05 +0700
Subject: [PATCH] feat(grandpa): expose migrate entry point (#499)

* feat(grandpa): expose migrate entry point

* chore: remote ununsed instantiate interface file
---
 Cargo.lock                                     |  4 ++--
 light-clients/ics10-grandpa-cw/src/contract.rs | 10 ++++++++--
 light-clients/ics10-grandpa-cw/src/msg.rs      |  3 +++
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index b3209a3d0..116e5a24c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1160,9 +1160,9 @@ dependencies = [
 
 [[package]]
 name = "cfg-expr"
-version = "0.15.5"
+version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03915af431787e6ffdcc74c645077518c6b6e01f80b761e0fbbfa288536311b3"
+checksum = "c8790cf1286da485c72cf5fc7aeba308438800036ec67d89425924c4807268c9"
 dependencies = [
  "smallvec",
 ]
diff --git a/light-clients/ics10-grandpa-cw/src/contract.rs b/light-clients/ics10-grandpa-cw/src/contract.rs
index bb1c49cad..685ff14dd 100644
--- a/light-clients/ics10-grandpa-cw/src/contract.rs
+++ b/light-clients/ics10-grandpa-cw/src/contract.rs
@@ -20,8 +20,8 @@ use crate::{
 	msg::{
 		CheckForMisbehaviourMsg, CheckSubstituteAndUpdateStateMsg, ContractResult, ExecuteMsg,
 		ExportMetadataMsg, InstantiateMsg, QueryMsg, QueryResponse, StatusMsg, UpdateStateMsg,
-		UpdateStateOnMisbehaviourMsg, VerifyClientMessage, VerifyMembershipMsg,
-		VerifyNonMembershipMsg, VerifyUpgradeAndUpdateStateMsg,
+		UpdateStateOnMisbehaviourMsg, VerifyClientMessage, VerifyMembershipMsg, MigrateMsg,
+		VerifyNonMembershipMsg, VerifyUpgradeAndUpdateStateMsg
 	},
 	state::{get_client_state, get_consensus_state},
 	Bytes,
@@ -113,6 +113,12 @@ impl grandpa_light_client_primitives::HostFunctions for HostFunctions {
 	}
 }
 
+#[entry_point]
+pub fn migrate(_deps: DepsMut, _env: Env, _msg: MigrateMsg) -> Result<Response, ContractError> {
+    // No state migrations performed, just returned a Response
+    Ok(Response::default())
+}
+
 #[cfg_attr(not(feature = "library"), entry_point)]
 pub fn instantiate(
 	_deps: DepsMut,
diff --git a/light-clients/ics10-grandpa-cw/src/msg.rs b/light-clients/ics10-grandpa-cw/src/msg.rs
index 0aea7b7eb..5a02f9df9 100644
--- a/light-clients/ics10-grandpa-cw/src/msg.rs
+++ b/light-clients/ics10-grandpa-cw/src/msg.rs
@@ -109,6 +109,9 @@ pub struct ClientStateCallResponse {
 	pub result: ContractResult,
 }
 
+#[cw_serde]
+pub struct MigrateMsg {}
+
 #[cw_serde]
 pub struct InstantiateMsg {}