chain api plugin / get_activated_protocol_features modifications 📦

[heifner]

Made the following modifications related to the get_activated_protocol_features API call:

• Corrected documentation that indicated a wrong format of the POST json payload needed for this call.
• When the search_by_block num was used, the range of values to act was always empty due to a bug on the lower_bound_value used for both upper_bound and lower_bound.
• Added some extra checks on the integration test plugin_http_api_test to take into account the data returned by the api call.
• https://github.com/EOSIO/eos/pull/9873

Change Description

Change Type

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• [x] Documentation
• [x] Stability bug fix
• [ ] Other
• [ ] Other - special case

Testing Changes

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• [ ] New Tests
• [x] Existing Tests
• [ ] Test Framework
• [ ] CI System
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Consensus Changes

• [ ] Consensus Changes

API Changes

• [ ] API Changes

Documentation Additions

• [ ] Documentation Additions