added more logging in RegularSync and PeersClient

Author: pslaski

src/main/scala/io/iohk/ethereum/blockchain/sync/PeersClient.scala

@@ -55,6 +55,7 @@ class PeersClient(
       case PeerRequestHandler.ResponseReceived(peer, message, _) =>
         handleResponse(requesters, Response(peer, message.asInstanceOf[Message]))
       case PeerRequestHandler.RequestFailed(peer, reason) =>
+        log.warning(s"Request to peer ${peer.remoteAddress} failed - reason: $reason")
         handleResponse(requesters, RequestFailed(peer, reason))
     }
 

src/main/scala/io/iohk/ethereum/blockchain/sync/regular/RegularSync.scala

@@ -97,9 +97,11 @@ class RegularSync(
       val newState = progressState.copy(initialBlock = blockNumber, currentBlock = blockNumber)
       context become running(newState)
     case ProgressProtocol.GotNewBlock(blockNumber) =>
+      log.info(s"Got information about new block [number = $blockNumber]")
       val newState = progressState.copy(bestKnownNetworkBlock = blockNumber)
       context become running(newState)
     case ProgressProtocol.ImportedBlock(blockNumber, internally) =>
+      log.info(s"Imported new block [number = $blockNumber, internally = $internally]")
       val newState = progressState.copy(currentBlock = blockNumber)
       if (internally) {
         fetcher ! InternalLastBlockImport(blockNumber)