Adrian Sutton

Implement mev-boost circuit breaker

1

### Description As per https://github.com/ethereum/builder-specs/pull/47

### Description Update deposit merkle tree snapshot as per https://github.com/ethereum/EIPs/pull/5443

### Description We noticed sth like this on teku nethermind 09:18:09.096 FATAL - Exiting due to fatal error in Eth1DepositManager java.util.concurrent.CompletionException: tech.pegasys.teku.infrastructure.exceptions.FatalServiceFailureException: java.util.concurrent.CompletionException: tech.pegasys.teku.beacon.pow.exception.FailedToFindMinGenesisBlockException: Failed to retrieve min genesis block....

Automatically recover from late upgrade for a fork

2

### Description When a user fails to upgrade prior to a fork, they may import blocks after the fork epoch that are from the old milestone. After Teku is updated,...

### Description After Bellatrix activates if Teku receives an Altair block it correctly refuses to import it but considers it an internal failure rather than an invalid block: ``` 2022-08-04...

Cannot create attestation for future slot errors

20

### Description Investigate why the beacon node time updates lag behind sometimes and cause attestation failures with "Cannot create attestation for future slot" error messages.

Default --ee-endpoint to http://localhost:8551

1

### Description Default the execution endpoint to localhost so that in simple setups where the EE is running on the same host it can be omitted.

### Description One suggestion is https://hackmd.io/@ralexstokes/BJn9N6Thc but discussions are continuing about the best approach. Just logging this so we ensure we have something and don't forget it.

### Description Review feature toggles that have been enabled by default for a number of releases and remove them. Probably best to review the `--X` options teku has (`teku -X`...

[Merge] Store blocks and execution payloads separately

2

### Description Post-merge the `ExecutionPayload` inside a block can be quite large and isn't needed for a lot of operations (only the payload header). In particular it's not required when...