Decompiled code is rarely "clean." Variable names (like entryPrice ) are replaced with generic labels (like var1 ), making it hard to read.
: The original source code written in MQL4; these are required to modify an indicator or Expert Advisor (EA). ex4 to mq4 v4 0 224 1 decompiler extra quality
: Search the MQL5 codebase for free, open-source versions of the tool you are trying to modify. Decompiled code is rarely "clean