It seems like you're looking for the source code for the Gold Rush Pro EA in MQ4 format. Gold Rush Pro is a type of Expert Advisor (EA) designed for automated trading, often focusing on gold (XAU/USD) or similar assets. Unfortunately, Gold Rush Pro is a commercial EA, and the source code (MQ4) is typically not publicly available unless it's shared by the developer or community. EA developers usually keep the source code private to protect their intellectual property and ensure their products aren't easily replicated or reverse-engineered.