public void GetMergedTokenNetworkDeltas_WhenCalled_ReturnsCorrectlyMergedList(
List <RaidenDelta> delta,
RaidenSnapshot RaidenSnapshot,
List <TokenNetworkDelta> expected)
{
var result = RaidenHelpers.GetMergedTokenNetworkDeltas(delta, RaidenSnapshot);
Assert.That(result, Is.EquivalentTo(expected));
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "v1/raiden/{timestamp}")] HttpRequest req,
long timestamp,
ILogger log)
{
var client = new MongoClient(MongoDbConnectionString);
log.LogInformation($"{DateTime.UtcNow} INFO Retrievieng Nearest State.");
var(nearestRaidenState, states) = await RetrieveNearestState(timestamp, client);
if (RaidenHelpers.TimestampsAreClose(nearestRaidenState.Timestamp, timestamp))
{
log.LogInformation($"{DateTime.UtcNow} INFO A near enough state was already available.");
return(new OkObjectResult(nearestRaidenState));
}
log.LogInformation($"{DateTime.UtcNow} INFO Computing Delta.");
var(delta, aggregates) =
await RaidenHelpers.RetrieveDelta <RaidenDelta>(
nearestRaidenState.Timestamp,
timestamp,
client,
DatabaseName,
RaidenAggregateCollection
);
var raidenStates =
nearestRaidenState
.States
.OrderByDescending(s => s.BlockNumber)
.ToList();
var howManyToRemove = delta.Count() - 1;
var howManyToRetain = nearestRaidenState.States.Count() - delta.Count();
// Remove unneded aggregates
raidenStates.RemoveRange(howManyToRetain, howManyToRemove);
raidenStates.AddRange(delta);
nearestRaidenState.BlockNumber = delta.Max(x => x.BlockNumber);
nearestRaidenState.Timestamp = delta.Max(x => x.Timestamp);
nearestRaidenState.TokenNetworks = RaidenHelpers.GetMergedTokenNetworkDeltas(delta, nearestRaidenState);
nearestRaidenState.States = raidenStates;
nearestRaidenState.MongoId = new ObjectId();
log.LogInformation($"{DateTime.UtcNow} INFO Inserting newly computed state in database");
// Could run in a separate Task
await states.InsertOneAsync(nearestRaidenState);
log.LogInformation($"{DateTime.UtcNow} INFO Returning computed state.");
return(new OkObjectResult(nearestRaidenState));
}
