bittensor

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Is your feature request related to a problem? Please describe.

The feature related with following issues:

• subtensor: UI and python client get the error types and error docs from metadata
• subtensor: Improve error granularity

Describe the solution you'd like

With functionality of substrateinterface lib, we retrieve the metadata from Subtensor.

This allows us to:

1. Avoid hardcoding the error description.
2. Always have up-to-date information about all errors on the server.
3. Automatically receive updates to the list of errors and their descriptions.

Acceptance Criteria

• [x] Research: Exploring the logic of how the substrateinterface package interacts with metadata.
• [x] Research: Exploring structure of metadata by the provided data.
• [x] Implementation: Retrieving metadata from SubtensorModule.
• [x] Implementation: Caching a JSON object with a list of errors in the user's directory.
• [x] Implementation: Logic to control the relevancy of cached data relative to server metadata.
• [x] Implementation: Covering new code with unit tests.
• [ ] Implementation: a wrapper for presenting the error in a human-readable view.
• [ ] Testing new logic on a local network.

Describe alternatives you've considered

Previously, the team considered the possibility of implementing an API endpoint that would return data about the list of errors. After starting the implementation, the decision was canceled in favor of using the capabilities of the substrateinterface package.