Validator client: Could not convert complete database to minimal when no proposer setting is found.

[nalepae]

Has this worked before in a previous version?

Probably not

🔬 Minimal Reproduction

1. Start a validator client with at least one key, without the --enable-minimal-slashing-protection flag, and without specifying any proposer setting (so, for example, without specifying the --suggested-fee-recipient flag).
2. Wait a few epochs.
3. Stop the validator client.
4. Convert the complete, boltDB database in a minimal, filesystem one. Example of command:

validator db convert-complete-to-minimal --source-data-dir /Users/manu/Library/Eth2 --target-data-dir /Users/manu/Library/Eth2

Error

[2024-03-06 10:12:58] FATAL db: Could not convert database error=could not get proposer settings from source database: no proposer settings found in bucket

Expected: No error

Platform(s)

Mac (Apple Silicon)

What version of Prysm are you running? (Which release)

develop

[nalepae]

This issue also happens in the minimal, filesystem --> complete, boltDB way.