Dmitrii Shmatko

Provide correct user message and exit when synced optimistically with wrong chain

1

### Description Sync optimistically for a few finalized epochs and then receive a message from EL that a block before (ancestor) latest finalized is invalid. Teku cycles with exceptions after...

Invalidated terminal block hash (by EL)

5

### Description I stuck how should we handle this, so explaining the issue. We reach the terminal block and are sending FCU to the EL: ``` 2022-08-08 13:56:28.120 INFO -...

Pass 100% of Hive tests

3

### Description Currently there are several kind of tests touching CL in Hive: - testnet, 1 test at the moment - engine, more than 10 tests The list of tests...

Mass peer drop anomaly with Lighthouse

2

### Description During full sync starting from genesis I regularly get mass ban disconnection of Lighthouse peers (initiated from other side) from my Teku peer in some periods of sync....

simulators/eth2/engine: Fix SyncingWithChainHavingInvalidPostTransiti…

12

I don't understand this test. I have changed it to be valid how I understand it, but maybe I'm not right, let's discuss - both ELs are mining. I don't...

Logging backpressure

4

Hello I'm trying to run Hive Testsuite with high log level, `DEBUG` or `TRACE` and see huge performance degradation compared to `INFO` level. Not only the participation level drops from...

DepositTreeSnapshot database persistence

6

## PR Description Stores DepositTreeSnapshot to DB (always) and loads it on Teku start if `--Xdeposit-snapshot-storage-enabled` flag is toggled Part №3 of #5432 ## Fixed Issue(s) ## Documentation - [x]...

### Description Current version of Teku has low participation rate in `eth2-testnet` Hive tests which leads to failure in most of them. While recently it fails mostly in pair with...

### Description Current version of Teku sometimes fails in `eth2-testnet` Hive tests due to absence of blocks in first or several slots in the beginning of the chain. It's a...

### Description Currently if we have `asyncRunner` with stub `timeProvider`, if we advance time, `asyncRunner` could miss some tasks in the middle because it schedules delayed tasks with final `timeProvider`...