If we have a subset of nodes providing attestation data, we need to only use those nodes to obtain HEAD events. Otherwise we can end up in the situation where none of the providing nodes are up-to-date with the head and no attestation data can be obtained.
If we have a subset of nodes providing attestation data, we need to only use those nodes to obtain HEAD events. Otherwise we can end up in the situation where none of the providing nodes are up-to-date with the head and no attestation data can be obtained.