public DependencyContainer(string host, IFeedback feedback)
{
Cryptography = new Cryptography();
Network = new P2PNetwork(feedback, host);
ChainData = new ChainData(feedback, Cryptography);
Engine = new Engine.Engine(feedback, Network, ChainData);
}
public async Task BlockchainSync(IChainData chainData)
{
_feedback.SyncChainStart();
var latestBlockPeers = await GetLatestBlockPeers();
var networkLatestBlockIdentity = latestBlockPeers.Block;
var peers = latestBlockPeers.Peers.ToArray();
var localLastBlockIdentity = chainData.GetLastBlock().Identity();
var localLastBlockIdentityHeight = localLastBlockIdentity?.Height ?? -1;
//Check if network has blocks to sync
if (localLastBlockIdentityHeight < networkLatestBlockIdentity.Height)
{
//Calculate optimal block to retrieve
var blocksToSync = networkLatestBlockIdentity.Height - localLastBlockIdentityHeight;
var syncBlockPageSize = Math.Min(SyncBlockPageSizeMax, blocksToSync / peers.Length + 1);
var syncStartBlockIndex = localLastBlockIdentityHeight + 1;
_feedback.SyncChainProcessing(syncStartBlockIndex, networkLatestBlockIdentity.Height, peers.Length);
var chainSync = new ChainSync(syncStartBlockIndex, syncBlockPageSize, peers, chainData, _feedback);
chainSync.Sync();
_feedback.SyncChainFinished();
}
else
{
_feedback.SyncChainAlreadyInSync();
}
}
public Engine(
IFeedback feedback,
IP2PNetwork network,
IChainData chainData)
{
_feedback = feedback;
_network = network;
_chainData = chainData;
}
public ChainSync(
int syncBlockIndex,
int syncBlockPageSize,
PeerConnection[] peers,
IChainData chainData,
IFeedback feedback)
{
_syncBlockIndexCap = _syncBlockIndex = syncBlockIndex;
_syncBlockPageSize = syncBlockPageSize;
_peers = peers;
_chainData = chainData;
_feedback = feedback;
}
public static void Initialize(
IP2PNetwork network,
IEngine engine,
IChainData chainData,
Func <string, LogLevel, bool> consoleLogFilter,
Action <IApplicationLifetime> applicationLifetimeCreated)
{
_network = network;
_engine = engine;
_chainData = chainData;
_consoleLogFilter = consoleLogFilter;
_applicationLifetimeCreated = applicationLifetimeCreated;
}
public NetworkController(IP2PNetwork netwrok, IEngine engine, IChainData chainData)
{
_netwrok = netwrok;
_engine = engine;
_chainData = chainData;
}