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[upgradable authenticator] Proxy reader #389
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bh2smith
approved these changes
Jan 29, 2021
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(PR is part of the work in #167 to make the authenticator upgradable.)
Adds a small library to recover the implementation and the owner of EIP-1967-compatible proxies.
The two failing tests from #167 are fixed by referencing to the proxy implementation.
Next steps, in no particular order:
Test Plan
Implementation retrieval is used in the existing unit tests. Owner retrieval is untested.