public async Task InvokeAsync(HttpContext context)
{
var token = context.Request.Path.ToString();
if (!context.Request.IsHttps && token.EndsWith("/getLastBlock", StringComparison.InvariantCultureIgnoreCase))
{
var net = Network.GetById(token.Split('/')[1]);
if (net == null)
{
context.Response.Redirect("/");
return;
}
using (var client = ApiFab.CreateReleaseApi(net.Ip))
{
var pools = client.PoolListGet(0, 1);
context.Response.StatusCode = 200;
await context.Response.WriteAsync(pools.Pools[0].PoolNumber.ToString());
}
}
else
{
await _next.Invoke(context);
}
}
private API.Client CreateApi()
{
return(ApiFab.CreateReleaseApi(Network.GetById(Net).Ip));
}
private void OnCacheTimer(object state)
{
var tpState = (IndexServiceState)state;
try
{
if (tpState.Net.Api.EndsWith("/Api"))
{
using (var client = ApiFab.CreateNodeApi(tpState.Net.Ip))
{
// Service available
if (tpState.Net.Updating)
{
tpState.Net.Updating = false;
}
// Request blocks
if ((!tpState.PoolsOut.Any() && !tpState.PoolsIn.Any()))
{
var result = client.PoolListGet(0, SizeOut);
tpState.PoolsOut = result.Pools.Select(p => new PoolInfo(p)).ToList();
}
else
{
var result = client.PoolListGet(0, 20);
lock (tpState.PoolsLock)
{
var firstPoolNum = tpState.PoolsIn.Any()
? tpState.PoolsIn[0].Number
: tpState.PoolsOut[0].Number;
var nPools = result.Pools.TakeWhile(p => (p.PoolNumber > firstPoolNum) || (p.PoolNumber < firstPoolNum - 1000)).Select(p => new PoolInfo(p)).ToList();
tpState.PoolsIn = nPools.Concat(tpState.PoolsIn).ToList();
}
}
// Request stats
if (tpState.StatRequestCounter == 0)
{
var stats = client.StatsGet();
if (stats != null && stats.Stats.Count >= 4)
{
var statsSorted = stats.Stats.OrderBy(s => s.PeriodDuration).ToList();
var statData = new StatData();
for (var i = 0; i < 4; i++)
{
statData.Pdata[i] = new PeriodData(statsSorted[i]);
}
tpState.StatData = statData;
}
}
}
}
else if (tpState.Net.Api.EndsWith("/TestApi"))
{
using (var client = ApiFab.CreateTestApi(tpState.Net.Ip))
{
// Service available
if (tpState.Net.Updating)
{
tpState.Net.Updating = false;
}
// Request blocks
if ((!tpState.PoolsOut.Any() && !tpState.PoolsIn.Any()))
{
var result = client.PoolListGet(0, SizeOut);
tpState.PoolsOut = result.Pools.Where(p => p.PoolNumber > 0).Select(p => new PoolInfo(p)).ToList();
}
else
{
var result = client.PoolListGet(0, 20);
lock (tpState.PoolsLock)
{
var firstPoolNum = tpState.PoolsIn.Any()
? tpState.PoolsIn[0].Number
: tpState.PoolsOut[0].Number;
var nPools = result.Pools.Where(p => p.PoolNumber > 0).TakeWhile(p => (p.PoolNumber > firstPoolNum) || (p.PoolNumber < firstPoolNum - 1000)).Select(p => new PoolInfo(p)).ToList();
tpState.PoolsIn = nPools.Concat(tpState.PoolsIn).ToList();
}
}
// Request stats
if (tpState.StatRequestCounter == 0)
{
var stats = client.StatsGet();
if (stats != null && stats.Stats.Count >= 4)
{
var statsSorted = stats.Stats.OrderBy(s => s.PeriodDuration).ToList();
var statData = new StatData();
for (var i = 0; i < 4; i++)
{
statData.Pdata[i] = new PeriodData(statsSorted[i]);
}
tpState.StatData = statData;
}
}
}
}
else if (tpState.Net.Api.EndsWith("/ReleaseApi"))
{
using (var client = ApiFab.CreateReleaseApi(tpState.Net.Ip))
{
// Service available
if (tpState.Net.Updating)
{
tpState.Net.Updating = false;
}
// Request blocks
if ((!tpState.PoolsOut.Any() && !tpState.PoolsIn.Any()))
{
var result = client.PoolListGet(0, SizeOut);
tpState.PoolsOut = result.Pools.Where(p => p.PoolNumber > 0).Select(p => new PoolInfo(p)).ToList();
}
else
{
var result = client.PoolListGet(0, 20);
var firstPoolNum = tpState.PoolsIn.Any()
? tpState.PoolsIn[0].Number
: tpState.PoolsOut[0].Number;
var newPools = result.Pools
.Where(p => p.PoolNumber > 0)
.TakeWhile(p => p.PoolNumber > firstPoolNum || p.PoolNumber < firstPoolNum - 1000)
.Select(p => new PoolInfo(p)).ToList();
lock (tpState.PoolsLock)
tpState.PoolsIn = newPools.Concat(tpState.PoolsIn).ToList();
}
// Request stats
if (tpState.StatRequestCounter == 0)
{
var stats = client.StatsGet();
if (stats != null && stats.Stats.Count >= 4)
{
var statsSorted = stats.Stats.OrderBy(s => s.PeriodDuration).ToList();
var statData = new StatData();
for (var i = 0; i < 4; i++)
{
statData.Pdata[i] = new PeriodData(statsSorted[i]);
}
tpState.StatData = statData;
}
}
}
}
if (tpState.StatRequestCounter < Settings.UpdStatsPeriodSec * 1000 / Period)
{
tpState.StatRequestCounter++;
}
else
{
tpState.StatRequestCounter = 0;
}
}
catch (Thrift.Transport.TTransportException e)
{
tpState.Net.Updating = true;
_logger.LogError(e, "");
}
catch (Exception e)
{
_logger.LogError(e, "");
}
tpState.TimerForCache.Change(Period, 0);
}
private void OnCacheTimer(object state)
{
var tpState = (IndexServiceState)state;
try
{
using (var client = ApiFab.CreateReleaseApi(tpState.Net.Ip))
{
// Service available
if (tpState.Net.Updating)
{
tpState.Net.Updating = false;
}
// Request blocks
if (!tpState.PoolsOut.Any() && !tpState.PoolsIn.Any())
{
var result = client.PoolListGet(0, SizeOut);
tpState.PoolsOut = result.Pools.Where(p => p.PoolNumber > 0).Select(p => new BlockInfo(p)).ToList();
}
else
{
// Get last 20 blocks from API
var result = client.PoolListGet(0, 20);
// Get last block number (first from the top)
var firstPoolNum = tpState.PoolsIn.Any()
? tpState.PoolsIn[0].Number
: tpState.PoolsOut[0].Number;
// Network reset detection
var newNetWorkPools = result.Pools
.Count(p => p.PoolNumber > 0 && p.PoolNumber < firstPoolNum - 200);
// Reset cache, if network reset
if (newNetWorkPools > 0)
{
lock (tpState.PoolsLock)
{
tpState.PoolsOut = new List <BlockInfo>();
tpState.PoolsIn = new List <BlockInfo>();
}
firstPoolNum = 0;
// Delete Transactions per second statistics data
TpsService.Reset(tpState.Net.Id);
}
// Prepare list of new blocks
var newPools = result.Pools
.Where(p => p.PoolNumber > 0)
.TakeWhile(p => p.PoolNumber > firstPoolNum).ToList();
// Get Txs of new blocks
var newTx = new List <TransactionInfo>();
foreach (var pool in newPools)
{
var poolTr = client.PoolTransactionsGet(pool.Hash, 0, BlockTxLimit);
var newPoolTx = poolTr.Transactions.Select((t, i) => new TransactionInfo(i, t.Id, t.Trxn)
{
Color = (int)(pool.PoolNumber % 10)
}).ToList();
newTx = newPoolTx.Concat(newTx).ToList();
}
// Append new blocks and txs to the input cache
lock (tpState.PoolsLock)
{
tpState.PoolsIn = newPools.Select(p => new BlockInfo(p)).Concat(tpState.PoolsIn).ToList();
tpState.TxIn = newTx.Concat(tpState.TxIn).ToList();
}
}
// Request stats
if (tpState.StatRequestCounter == 0)
{
var stats = client.StatsGet();
if (stats != null && stats.Stats.Count >= 4)
{
var statsSorted = stats.Stats.OrderBy(s => s.PeriodDuration).ToList();
var statData = new StatData();
for (var i = 0; i < 4; i++)
{
statData.Pdata[i] = new PeriodData(statsSorted[i]);
}
//statData.CorrectTotalValue();
tpState.StatData = statData;
}
}
}
// Increment statistics time counter (or reset if it's time)
if (tpState.StatRequestCounter < Settings.UpdStatsPeriodSec * 1000 / Period)
{
tpState.StatRequestCounter++;
}
else
{
tpState.StatRequestCounter = 0;
}
}
catch (Thrift.Transport.TTransportException e)
{
// Set up network updating flag in case of no connection to the node
tpState.Net.Updating = true;
_logger.LogError(e, "");
}
catch (Exception e)
{
// Log other errors
_logger.LogError(e, "");
}
// Set up next timer tick
tpState.TimerForCache.Change(Period, 0);
}
// Updates the list of nodes, from signal server
private async Task UpdateNetworkNodes(Network network)
{
// Create a connection to the signal server API
using (var client = ApiFab.CreateSignalApi(network.SignalIp, network.SignalPort))
{
// Get the list of nodes from API
var result = client.GetActiveNodes();
// Convert nodes to nodeInfos
var nodes = result.Nodes.Select(n => new NodeInfo(n)).ToList();
// Try to get country and geo-location for all nodes
try
{
// Connect to DB
using (var db = CsmonDbContext.Create())
{
// Get nodes, stored in db
var dbNodes = db.Nodes.Where(n => n.Network == network.Id).ToList();
// Add new nodes into db and update existing
foreach (var node in nodes)
{
var dbNode = dbNodes.FirstOrDefault(n => n.PublicKey.Equals(node.PublicKey));
if (dbNode == null)
{
db.Nodes.Add(new Node(node, network.Id));
}
else if (!node.EqualsDbNode(dbNode))
{
db.Nodes.Update(node.UpdateDbNode(dbNode));
}
}
db.SaveChanges();
// Get Non-Active nodes from db
foreach (var node in dbNodes.Where(n => !nodes.Any(d => d.PublicKey.Equals(n.PublicKey))))
{
nodes.Add(new NodeInfo(node));
}
// Find geo data for nodes
foreach (var ip in nodes.Select(n => n.Ip).Distinct())
{
// Try to find node in db by ip address
var location = db.Locations.FirstOrDefault(l => l.Ip.Equals(ip));
// If not found, try to get info by ip using ipapi.co web service
if (location == null)
{
try
{
var uri = new Uri("https://ipapi.co/" + $"{ip}/json/");
var nodeStr = await GetAsync(uri);
nodeStr = nodeStr.Replace("\"latitude\": null,", "");
nodeStr = nodeStr.Replace("\"longitude\": null,", "");
location = JsonConvert.DeserializeObject <Location>(nodeStr);
location.Ip = ip;
if (location.Org.Length > 64)
{
location.Org = location.Org.Substring(0, 64);
}
// Store data in db
db.Locations.Add(location);
db.SaveChanges();
}
catch (Exception e)
{
_logger.LogError(e, "");
continue;
}
}
// Set location data to nodes
foreach (var nodeInfo in nodes.Where(n => n.Ip.Equals(ip)))
{
nodeInfo.SetLocation(location);
}
}
}
}
catch (Exception e)
{
_logger.LogError(e, "");
}
// Collect additional info about nodes from the network
try
{
using (var cnt = ApiFab.CreateReleaseApi(network.Ip))
{
var page = 0;
while (true)
{
var writers = cnt.WritersGet(page++);
if (!writers.Writers.Any())
{
break;
}
foreach (var writer in writers.Writers)
{
var key = Base58Encoding.Encode(writer.Address);
var node = nodes.FirstOrDefault(n => n.PublicKey == key);
if (node == null)
{
continue;
}
node.TotalFee = ConvUtils.FormatAmount(writer.FeeCollected);
node.TimesWriter = writer.TimesWriter;
}
}
}
}
catch (Exception e)
{
_logger.LogError(e, "");
}
// Hide Ip addresses before output
foreach (var nodeInfo in nodes)
{
nodeInfo.HideIp();
}
// Put the ordered list into the storage
_states[network.Id].Nodes = nodes.OrderByDescending(n => n.Active).ThenBy(n => n.Ip).ToList();
}
}