Ducca

Results 4 issues of Ducca

## Steps to Reproduce Issue Just start syncing from testnet branch. Docker-compose setup. We look at the indexer logs and see after checkpoint 149822 errors begin. Tried 3 different machines....

Yesterday we received a corrupt database on theta testnet. What could be the reason? `panic: failed to write batch: leveldb/table: corruption on data-block (pos=1239752): checksum mismatch, want=0x93c5b517 got=0x10265b0a [file=121829072.ldb]` ![image](https://user-images.githubusercontent.com/64695363/182323914-58f71a1f-edbd-4f0a-867f-a71fe3a77e49.png)