Paying for fixes to an already established plugin.

[Mellow]

I need changes made to an already established premium plugin. It states that modification to the code is allowed but the source code isn't available so you'd have to decompile it? I'm aware of the fact that decompiling means you have to make a ton of fixes to code so I would be willing to pay extra just to get this done.

You see my server is "GunPvP" and the spectator system in the plugin breaks the game when players get hit with snowballs (bullets), as it can sometimes kill the spectator or the spectator get's kicked from the arena but keeps flight so they can fly around in the next match.. So essentially I just need snowballs to passthrough spectators and while at the same timer keeping the spectator leave and TP functionality.
Here's what it looks like when spectators block shots from an in-game player:
https://gyazo.com/95ff5dd675d1c42faa6cefd3ba672dec
Now here's one from the spectators POV:
https://gyazo.com/e79868b2bac962f121639c5964d03150

As you can see the developer tried to stop this by teleporting the player in the air but it's a horrible system as not only can spectators block killing blows from enemy's, but sometimes when it kicks a player from an arena they keep their spectator functionality instead of it being removed so players can just fly around in spawn and even sometimes get put BACK into games with fly mode enabled...

Here is the link to the spigot page where at the very bottom it states modifications to code are allowed as long as the author of the plugin "Wazup92" does not change.
https://www.spigotmc.org/resources/survivalgames.1351/
You do not need to pay for the plugin I will supply it to you in DM's

If anyone can do this please contact me quickly we can discuss payments in the DM's
I will not be paying first, I want to see this plugin fixed before I pay anything, I've already been scummed over twice from "no refund" policies....