## Issue Addressed - Resolves #3266 ## Proposed Changes Return 200 OK rather than an error when a block, attestation or sync message is already known. Presently, we will log return an error which causes a BN to go "offline" from the VCs perspective which causes the fallback mechanism to do work to try and avoid and upcheck offline nodes. This can be observed as instability in the `vc_beacon_nodes_available_count` metric. The current behaviour also causes scary logs for the user. There's nothing to *actually* be concerned about when we see duplicate messages, this can happen on fallback systems (see code comments). ## Additional Info NA |
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