Allows calculating variable rate from checkpoints

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 67.56757% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 81.35%. Comparing base (13e126c) to head (1654d6a).

:exclamation: Current head 1654d6a differs from pull request most recent head bfbbaa0. Consider uploading reports for the commit bfbbaa0 to get more accurate results

Files	Patch %	Lines
src/agent0/core/hyperdrive/policies/smart_long.py	0.00%	5 Missing :warning:
...gent0/ethpy/hyperdrive/interface/read_interface.py	80.00%	4 Missing :warning:
src/agent0/core/hyperdrive/policies/lpandarb.py	72.72%	3 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1388 +/- ## ========================================== - Coverage 81.36% 81.35% -0.01% ========================================== Files 104 104 Lines 6272 6303 +31 ========================================== + Hits 5103 5128 +25 - Misses 1169 1175 +6 ``` | [Flag](https://app.codecov.io/gh/delvtech/agent0/pull/1388/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/delvtech/agent0/pull/1388/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | `81.35% <67.56%> (-0.01%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech#carryforward-flags-in-the-pull-request-comment) to find out more.

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