update

data-otservbr-global/scripts/actions/other/potions.lua

@@ -268,13 +268,12 @@ function flaskPotion.onUse(player, item, fromPosition, target, toPosition, isHot
 
 		player:addAchievementProgress("Potion Addict", 100000)
 		target:say("Aaaah...", MESSAGE_POTION)
-		if fromPosition.x == CONTAINER_POSITION and not container == store_inbox then
+		local deactivatedFlasks = player:kv():get("talkaction.potions.flask") or false
+		if not deactivatedFlasks then
 			local container = Container(item:getParent().uid)
-			if player:getStorageValueByName("talkaction.potions.flask") ~= 1 then
+			if fromPosition.x == CONTAINER_POSITION and not container == store_inbox then
 				container:addItem(potion.flask, 1)
-			end
-		else
-			if player:getStorageValueByName("talkaction.potions.flask") ~= 1 then
+			else
 				player:addItem(potion.flask, 1)
 			end
 		end

data/XML/storages.xml

@@ -29,6 +29,5 @@ When adding a new range or storage, make sure that the ranges do not overlap, an
 		<storage name="wheel.scroll.revised" key="3" />
 		<storage name="wheel.scroll.extended" key="4" />
 		<storage name="wheel.scroll.advanced" key="5" />
-		<storage name="talkaction.potions.flask" key="6" />
 	</range>
 </storages>

data/scripts/talkactions/player/flask.lua

@@ -5,12 +5,12 @@ function flask.onSay(player, words, param)
 		player:sendCancelMessage("You need to specify on/off param.")
 		return true
 	end
-	if param == "on" and player:getStorageValueByName("talkaction.potions.flask") ~= 1 then
-		player:setStorageValueByName("talkaction.potions.flask", 1)
+	if param == "on" then
+		player:kv():set("talkaction.potions.flask", true)
 		player:sendTextMessage(MESSAGE_EVENT_ADVANCE, "You will not receive flasks!")
 		player:getPosition():sendMagicEffect(CONST_ME_REDSMOKE)
 	elseif param == "off" then
-		player:setStorageValueByName("talkaction.potions.flask", 0)
+		player:kv():remove("talkaction.potions.flask")
 		player:sendTextMessage(MESSAGE_EVENT_ADVANCE, "You will receive flasks.")
 		player:getPosition():sendMagicEffect(CONST_ME_REDSMOKE)
 	end