async Task <Dictionary <Tuple <int, uint, ChainType>, ChainSyncItem> > GetChainSyncItems()
{
var chains = new List <Chain.Chain> {
_chainManager.CoreChain
};
chains.AddRange(_chainManager.ServiceChains.Values);
chains.AddRange(_chainManager.DataChains.Values);
chains.AddRange(_chainManager.MaintainChains.Values);
var chainSyncs = new Dictionary <Tuple <int, uint, ChainType>, ChainSyncItem>();
var remotes = new List <RemoteSyncItem>();
foreach (var chain in chains)
{
var chainType = chain.ChainType;
var chainId = chain.ChainId;
var chainIndex = chain.ChainIndex;
var chainSync = new ChainSyncItem(chain);
chainSyncs.Add(new Tuple <int, uint, ChainType>(chainId, chainIndex, chainType), chainSync);
Chain.Chain.CreateRequiredDirectories(_storage, chain.ChainType, chainId, chainIndex, true);
var endPoints = chain.AvailableEndpoints;
foreach (var endPoint in endPoints)
{
var client = new NodeClient(endPoint.EndPoint);
var nodeInfo = endPoint.NodeInfo;
if (nodeInfo == null)
{
nodeInfo = (await client.DownloadNodeInfo(_configuration.NetworkPublicKey)).Data;
}
if (nodeInfo != null && !(nodeInfo.NodeId == _configuration.LocaleNodeInfo.NodeId))
{
if (endPoint.NodeInfo == null)
{
endPoint.NodeInfo = nodeInfo;
}
var lastBlockInfo = (await client.DownloadLastBlockInfo(chainType, chainId, chainIndex)).Data;
if (lastBlockInfo != null)
{
var blockSliceInfo = (await client.DownloadBlockStorageSliceInfo(chainType, chainId, chainIndex)).Data;
var transactionSliceInfo = (await client.DownloadTransactionStorageSliceInfo(chainType, chainId, chainIndex)).Data;
var remote = new RemoteSyncItem(client, lastBlockInfo);
chainSync.AddRemote(remote);
if (blockSliceInfo != null)
{
chainSync.UpdateLowestFoundBlockSliceId(blockSliceInfo.FirstStoredSliceId);
}
if (transactionSliceInfo != null)
{
chainSync.UpdateLowestFoundTransactionSliceId(transactionSliceInfo.FirstStoredSliceId);
}
remotes.Add(remote);
}
}
}
}
// get latest chain info
foreach (var chain in chainSyncs.Values)
{
var chainType = chain.ChainType;
var chainId = chain.ChainId;
var chainIndex = chain.ChainIndex;
foreach (var remote in chain.Remotes)
{
var lastBlockInfo = (await remote.Client.DownloadLastBlockInfo(chainType, chainId, chainIndex)).Data;
chain.UpdateLastBlockInfo(lastBlockInfo);
}
}
return(chainSyncs);
}