Idle game maker

Let's make a game!
  name:Metalorgy
  by:Vassago310
  desc:Start by mining some ore, become the greatest smith ever !
  created:21/10/2018
  version:0.1

Settings
  building cost increase:115%
  building cost refund:50%

Resources
  *money
    name:Money
    desc:Some uroz dallaz yeniz

  *ironOre
    name:Iron ore
    desc:A lump of iron ore.

  *silverOre
    name:Silver ore
    desc:A lump of silver ore.

  *goldOre
    name:Gold ore
    desc:A lump of gold ore.

Buildings
  *miner
    name:Miner
    desc:Son of Stakhanov.
    cost:5 money
    on tick:yield 0.1 ironOre
    on tick:if (have silverFind and chance(75%)) yield 0.1 silverOre
    on tick:if (have goldFind and chance(50%)) yield 1 goldOre
    unlocked

  *foundry
    name:Foundry
    desc:Allows you to turn your ores into metal bars!
    cost:100 money

Buttons
  *mine
    name:Mine ore
    desc:Click to mine some ore
    on click:yield 1 ironOre
    on click:if (have silverFind and chance(75%)) yield 1 silverOre
    on click:if (have goldFind and chance(50%)) yield 1 goldOre

Upgrades
  *silverFind
    name:Silver miner
    desc:You can now find silver ore !
    cost:100 money

  *goldFind
    name:Gold miner
    desc:You can now find gold ore !
    cost:1000 money