chore: add rewards balance query on chan open ack (#729)

* add rewards balance query on chan open ack

* add changelog

CHANGELOG.md

@@ -38,11 +38,14 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Features
 
+- [729](https://github.com/persistenceOne/pstake-native/pull/729) Add rewards account query (hence autocompound) OnChanOpenAck.
+- [727](https://github.com/persistenceOne/pstake-native/pull/727) Send LSM redeem messages in chunks.
 - [721](https://github.com/persistenceOne/pstake-native/pull/721) Add Query host chain user unbondings.
 
 ### Bug Fixes
-- [728](https://github.com/persistenceOne/pstake-native/pull/728) Fix prevent users from liquid-staking funds by removing the Deposit entry.
-- [727](https://github.com/persistenceOne/pstake-native/pull/727) Send LSM redeem messages in chunks.
+
+- [728](https://github.com/persistenceOne/pstake-native/pull/728) Fix prevent users from liquid-staking funds by
+  removing the Deposit entry.
 - [726](https://github.com/persistenceOne/pstake-native/pull/726) Fix minimal unbondings.
 - [725](https://github.com/persistenceOne/pstake-native/pull/725) Fix Incorrect bookkeeping of validator’s delegated
   amount upon redelegation

x/liquidstakeibc/keeper/ibc.go

@@ -95,6 +95,16 @@ func (k *Keeper) OnChanOpenAck(
 			)
 		}
 	}
+	// send an ICQ query to get the rewards account balance
+	if hc.RewardsAccount != nil && hc.RewardsAccount.ChannelState == types.ICAAccount_ICA_CHANNEL_CREATED {
+		if err := k.QueryRewardsHostChainAccountBalance(ctx, hc); err != nil {
+			return fmt.Errorf(
+				"error querying host chain %s for rewards account balances: %v",
+				hc.ChainId,
+				err,
+			)
+		}
+	}
 
 	k.Logger(ctx).Info(
 		"Created new ICA.",