work on import command in progress

Initial BlocksWriter version

import is a subcommand

opening multiple connections

Serving `mempool` request

Serving `getheaders` requests

Implement block number index

Svyatoslav Nikolsky authored Nov 02, 2016 and Marek Kotewicz committed Nov 02, 2016

* started work on synchronization_server

* continue synchronization server

* added response to getblocks message

* renamed Synchronization to Client

* LocalNode parametrized by Server

* LocalNode parametrized by Client

* fixed test

* support connect to given port via command line

* fixed couple of sync server issues && added sync server trace

* fixing sync issues

* fixed grumbles

Fixed duplicates in node_table

Support connect to given port via command line

Added db::Store::block_number

One more test helper

Continuous verification of block transactions

Close sync session implementation