private bool IsBeyondBlockSecurityDelay(MonitorChainSession monitorChainSession)
{
this.logger.LogInformation("() Session started at block {0}, block security delay {1}, current block height {2}, waiting for {3} more blocks",
monitorChainSession.BlockNumber, BlockSecurityDelay, this.concurrentChain.Tip.Height,
monitorChainSession.BlockNumber + BlockSecurityDelay - this.concurrentChain.Tip.Height);
return(this.concurrentChain.Tip.Height >= (monitorChainSession.BlockNumber + BlockSecurityDelay));
}
// Creates the Monitor session.
// A session is added when the CrossChainTransactionMonitor identifies a transaction that needs to be completed cross chain.
public void RegisterMonitorSession(MonitorChainSession monitorSession)
{
this.logger.LogTrace("({0}:'{1}')", nameof(monitorSession.BlockNumber), monitorSession.BlockNumber);
this.monitorSessions.TryAdd(monitorSession.BlockNumber, monitorSession);
//monitorChainSession.CrossChainTransactions.Add(crossChainTransactionInfo);
//this.monitorSessions.TryAdd(monitorChainSession.SessionId, monitorChainSession);
//this.logger.LogInformation("MonitorChainSession added: {0}", monitorChainSession);
//// Call to the counter chain and tell it to also create a session.
//this.CreateSessionOnCounterChain(this.federationGatewaySettings.CounterChainApiPort, monitorChainSession);
// //crossChainTransactionInfo.TransactionHash,
// //crossChainTransactionInfo.Amount,
// //crossChainTransactionInfo.DestinationAddress,
// //crossChainTransactionInfo.BlockNumber);
}
// Calls into the counter chain and registers the session there.
public void CreateSessionOnCounterChain(int apiPortForSidechain, MonitorChainSession monitorChainSession)
{
this.logger.LogTrace("({0}:'{1}',{2}:'{3}',{4}:'{5}')", nameof(apiPortForSidechain), apiPortForSidechain, nameof(monitorChainSession.BlockNumber), monitorChainSession.BlockNumber, "Transactions Count", monitorChainSession.CrossChainTransactions.Count);
var createCounterChainSessionRequest = new CreateCounterChainSessionRequest
{
BlockHeight = monitorChainSession.BlockNumber,
CounterChainTransactionInfos = monitorChainSession.CrossChainTransactions.Select(t => new CounterChainTransactionInfoRequest
{
TransactionHash = t.TransactionHash,
DestinationAddress = t.DestinationAddress,
Amount = t.Amount.ToString()
}).ToList()
};
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
var uri = new Uri($"http://localhost:{apiPortForSidechain}/api/FederationGateway/create-session-oncounterchain");
var request = new JsonContent(createCounterChainSessionRequest);
try
{
var httpResponseMessage = client.PostAsync(uri, request).ConfigureAwait(false).GetAwaiter().GetResult();
string json = httpResponseMessage.Content.ReadAsStringAsync().ConfigureAwait(false).GetAwaiter().GetResult();
}
catch (Exception e)
{
this.logger.LogError(e, "Error occurred when calling /api/FederationGateway/create-session-oncounterchain: {0}", e.Message);
}
}
this.logger.LogTrace("(-)");
}
// Calls into the counter chain and sets off the process to build the multi-sig transaction.
private async Task <uint256> ProcessSessionOnCounterChain(int apiPortForSidechain, MonitorChainSession monitorChainSession)
{
this.logger.LogTrace("({0}:'{1}',{2}:'{3}',{4}:'{5}')", nameof(apiPortForSidechain), apiPortForSidechain, nameof(monitorChainSession.BlockNumber), monitorChainSession.BlockNumber, "Transactions Count", monitorChainSession.CrossChainTransactions.Count);
var createCounterChainSessionRequest = new CreateCounterChainSessionRequest
{
BlockHeight = monitorChainSession.BlockNumber,
CounterChainTransactionInfos = monitorChainSession.CrossChainTransactions.Select(t => new CounterChainTransactionInfoRequest
{
TransactionHash = t.TransactionHash,
DestinationAddress = t.DestinationAddress,
Amount = t.Amount.ToString()
}).ToList()
};
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
var uri = new Uri($"http://localhost:{apiPortForSidechain}/api/FederationGateway/process-session-oncounterchain");
var request = new JsonContent(createCounterChainSessionRequest);
try
{
var httpResponseMessage = await client.PostAsync(uri, request);
this.logger.LogInformation("Response: {0}", await httpResponseMessage.Content.ReadAsStringAsync());
if (httpResponseMessage.StatusCode == System.Net.HttpStatusCode.NotFound)
{
return(uint256.One);
}
if (httpResponseMessage.StatusCode != System.Net.HttpStatusCode.OK)
{
this.logger.LogError("Error occurred when calling /api/FederationGateway/process-session-oncounterchain: {0}-{1}", httpResponseMessage.StatusCode, httpResponseMessage.ToString());
return(uint256.Zero);
}
string json = await httpResponseMessage.Content.ReadAsStringAsync();
return(JsonConvert.DeserializeObject <uint256>(json, new UInt256JsonConverter()));
}
catch (Exception e)
{
this.logger.LogError(e, "Error occurred when calling /api/FederationGateway/process-session-oncounterchain: {0}", e.Message);
return(uint256.Zero);
}
}
}
// A session is added when the CrossChainTransactionMonitor identifies a transaction that needs to be completed cross chain.
public void RegisterMonitorSession(MonitorChainSession monitorSession)
{
this.logger.LogTrace("({0}:'{1}')", nameof(monitorSession.BlockNumber), monitorSession.BlockNumber);
this.monitorSessions.TryAdd(monitorSession.BlockNumber, monitorSession);
}
