fix: Unstaking finding (#726)

* fix unstaking finding

* changelog

CHANGELOG.md

@@ -42,6 +42,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Bug Fixes
 
+- [726](https://github.com/persistenceOne/pstake-native/pull/726) Fix minimal unbondings.
 - [720](https://github.com/persistenceOne/pstake-native/pull/720) Fix unbondings loop.
 - [719](https://github.com/persistenceOne/pstake-native/pull/719) Fix afterEpoch hooks to take LiquidStake feature
   instead of LiquidStakeIBC

x/liquidstakeibc/keeper/msg_server.go

@@ -607,6 +607,16 @@ func (k msgServer) LiquidUnstake(
 		return nil, types.ErrHostChainInactive
 	}
 
+	// check for minimum unbonding amount
+	if msg.Amount.Amount.LT(hc.MinimumDeposit) {
+		return nil, errorsmod.Wrapf(
+			types.ErrMinDeposit,
+			"expected amount more than %s, got %s",
+			hc.MinimumDeposit,
+			msg.Amount.Amount,
+		)
+	}
+
 	// check if the message amount has the correct denom
 	if msg.Amount.Denom != hc.MintDenom() {
 		return nil, errorsmod.Wrapf(types.ErrInvalidDenom,

x/liquidstakeibc/keeper/msg_server_test.go

@@ -298,7 +298,55 @@ func (suite *IntegrationTestSuite) Test_msgServer_LiquidUnstake() {
 				goCtx: ctx,
 				msg: &types.MsgLiquidUnstake{
 					DelegatorAddress: suite.chainA.SenderAccount.GetAddress().String(),
-					Amount:           sdk.NewInt64Coin(hc.MintDenom(), 100),
+					Amount:           sdk.NewInt64Coin(hc.MintDenom(), 1000000),
+				},
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "amount less than minimum amount",
+			args: args{
+				goCtx: ctx,
+				msg: &types.MsgLiquidUnstake{
+					DelegatorAddress: suite.chainA.SenderAccount.GetAddress().String(),
+					Amount:           sdk.NewInt64Coin(hc.MintDenom(), 0),
+				},
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "mint denom not parseable",
+			args: args{
+				goCtx: ctx,
+				msg: &types.MsgLiquidUnstake{
+					DelegatorAddress: suite.chainA.SenderAccount.GetAddress().String(),
+					Amount:           sdk.NewInt64Coin(hc.HostDenom, 1000000),
+				},
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "host chain not found",
+			args: args{
+				goCtx: ctx,
+				msg: &types.MsgLiquidUnstake{
+					DelegatorAddress: suite.chainA.SenderAccount.GetAddress().String(),
+					Amount:           sdk.NewInt64Coin("stk/uosmo", 1000000),
+				},
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "invalid delegator address",
+			args: args{
+				goCtx: ctx,
+				msg: &types.MsgLiquidUnstake{
+					DelegatorAddress: "invalidaddr",
+					Amount:           sdk.NewInt64Coin(hc.MintDenom(), 1000000),
 				},
 			},
 			want:    nil,