* core: remove unnecessary fields in log * core: bump blockchain database version * core, les: remove unnecessary fields in txlookup * eth: print db version explicitly * core/rawdb: drop txlookup entry struct wrapper
* core: remove unnecessary fields in log * core: bump blockchain database version * core, les: remove unnecessary fields in txlookup * eth: print db version explicitly * core/rawdb: drop txlookup entry struct wrapper