Minimal proxy pattern support (EIP-1167)

[vbaranov]

Resolves #3716

Motivation

Missing Read/Write functionality for unverified contracts which follow minimal proxy contract pattern (EIP-1167)

Changelog

Checklist for your Pull Request (PR)

• I added an entry to CHANGELOG.md with this PR
• If I added new functionality, I added tests covering it.
• If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.
• I checked whether I should update the docs and did so by submitting a PR to https://github.com/blockscout/docs
• If I added/changed/removed ENV var, I submitted a PR to https://github.com/blockscout/docs to update the list of env vars at https://github.com/blockscout/docs/blob/master/for-developers/information-and-settings/env-variables.md and I updated the version to master in the Version column. Changes will be reflected in this table: https://docs.blockscout.com/for-developers/information-and-settings/env-variables.
• If I add new indices into DB, I checked, that they are not redundant with PGHero or other tools

[coveralls]

Pull Request Test Coverage Report for Build 5f2b5f24f9cb64e3c8fdecaeab199b7111e9c991-PR-3743

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.5%) to 64.446%

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Totals
Change from base Build db7035bc7903a84ef95139257ed78c5502daa1a7:	-0.5%
Covered Lines:	2099
Relevant Lines:	3257

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💛 - Coveralls