Price Feeds + Restructuring

[shubhagarwal03]

This PR includes the following changes:

1. There is now functionality to fetch token prices from other providers (i.e. Dune and Moralis) in case it is unable to
   fetch from coingecko.
2. The function write_coingecko_prices() has been changed to write_prices(). There is a new table called "slippage_prices"
   in the solver_slippage DB with an additional field for the price source.

Restructures:

1. The coingecko_pricing file does not use a hardcoded JSON and instead makes an API call to fetch the coingecko token-
   ids list in a fixed interval (currently, every 24 hours) to account for any updated lists.

[fhenneke]

Have not checked the code in detail yet, but the overall code structure looks good to me.

I would probably move all price providers into a prices folde for not clutter the main folder too much.

One additional price provider might be native prices from the auction. That would require the backend database for now.

[bram-vdberg]

Looks great to me. I found some small formatting things but overall looks good.

[socket-security]

New dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
pypi/[email protected]	environment, filesystem, network	0	183 kB	bh2smith, dune.com
pypi/[email protected]	environment, eval, filesystem, network	0	10.2 MB	ErnoW

View full report↗︎

[fhenneke]

Edit: I moved all my comments to the other PR
I added a few comment. Some of the things are easy to address, some can just be turned into issues.

Did you plan on restructuring more, e.g. splitting the daemon file? That could be done in some other PR as well.

I do not see any tests for the added code. I assume some parts of the code did change behavior. How did you check correctness of the code locally? Maybe that could be turned into a test.

[fhenneke]

Actually, ignore the comments for now. Will look at the actual restructuring PR first.

[fhenneke]

Is this PR still relevant? It seems all the changes are contained in #29 as well.