* ReadBlockByNumber and ReadChainConfig return error
* Let's make rawdb package to return error. But by small steps.
High-level methods need to move first:
ReadBlockByNumber
ReadChainConfig
ReadBlockByHash
ReadHeaderByHash
WriteChainConfig
WriteDatabaseVersion
WriteBlock
DeleteTd
WriteTd
ReadTd
* it compiles
* after recent master
* fix linters warnings
* grpcV7
* go mod tidy
* unmarshall adresses or adress
* fix linters
* after cr
* after cr
* after cr
* after cr
* fix tests
* remove dev version
* it compiles
* mod tidy
* fix bin deps
* use stable version of grpc
* switch back to master constructor
* switch back to master constructor
* add a bit docs
* add a bit docs
Co-authored-by: Alexey Akhunov <akhounov@gmail.com>
Co-authored-by: alex.sharov <AskAlexSharov@gmail.com>