Huckleberry patch (#469) (#470)

(cherry picked from commit 40097d1)

Co-authored-by: Dev Ojha <[email protected]>

x/auth/vesting/msg_server.go

@@ -128,6 +128,17 @@ func (s msgServer) CreateClawbackVestingAccount(goCtx context.Context, msg *type
 		lockupCoins = lockupCoins.Add(period.Amount...)
 	}
 
+	if ctx.IsCheckTx() {
+		if err := lockupCoins.Validate(); err != nil {
+			return nil, sdkerrors.Wrapf(
+				sdkerrors.ErrInvalidCoins, "lockup coins %s are invalid: %v", lockupCoins, err)
+		}
+		if err := vestingCoins.Validate(); err != nil {
+			return nil, sdkerrors.Wrapf(
+				sdkerrors.ErrInvalidCoins, "vesting coins %s are invalid: %v", vestingCoins, err)
+		}
+	}
+
 	// if lockup absent, default to an instant unlock schedule
 	lockupPeriods := msg.LockupPeriods
 	vestingPeriods := msg.VestingPeriods