fix polygon mapper and remove base goerli mapper #131
Merged
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(Merged #132 into this branch as well)
Polygon has changed how their mapper API works, which is now essentially a hosted tokenlist that contains mapping data. This PR updates the PolygonMapper class to work with this new way of fetching polygon mappings.
Note that for consistency with the original mapper, we solely use the "pos" mapping type as the mapped polygon token, which indicates token is bridged through the official PoS bridge.
Testing:
Ran a script to find the diff between default tokenlist entries before and after this change, result is a fair amount of newly mapped polygon tokens:
Tokens only in new list (138):