Edits trading exchange on Laravel

Hello, I had a trading exchange project in which I had to make some changes and connect the payment. They made them to me by a bunch of other problems that need to be solved in a couple of days.
I can give a link to the work that needed to be done.

Current issues in the list:
https://docs.google.com/document/d/1MWaQlXXdq2-VKY...
Primary for work and test to solve with data analysis in real time.

as soon as we solve them, we need to transfer everything to the combat server and start the normal operation of the radish there, so that as on the test there is auto-zoning of data.

the budget is 15 thousand rubles, it is necessary to solve in a couple of days.
there is no prepayment.

git yes, with the latest developer commits
project on laravel, radishes are used.
You need a very confident understanding of laravel and a lot of experience with php.

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