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I'm starting to make some changes to the code documentation here. I'm including a bit of refactoring to make sure that things are more readable.
The code extensively uses the short variable names to the detriment of the readability. This compounds the problem of not having enough code documentation.
While golang recommends short variable names, the intention is to avoid long nested function calls and to avoid diverting the attention from the main logic of the program. However, even the main logic variables have really short names making it almost impossible to read.