public bool IsSafe(NetworkProviderContext context)
{
lock (_lock)
{
_hits.Add(DateTime.UtcNow);
var expired = DateTime.UtcNow.AddMinutes(-_perMinutes);
_hits.RemoveAll(x => x <= expired);
return(_hits.Count < _requests);
}
}
public static void EnterRate(INetworkProvider provider, NetworkProviderContext context)
{
var limiter = provider.RateLimiter;
if (limiter.IsSafe(context))
{
return;
}
limiter.Limit();
}
public static async Task <ApiResponse <T> > WrapExceptionAsync <T>(Func <Task <T> > t, string name, INetworkProvider provider, NetworkProviderContext context, Action <T> afterSuccess = null)
{
if (t == null)
{
return(new ApiResponse <T>("Not implemented"));
}
try
{
EnterRate(provider, context);
var sw = new Stopwatch();
sw.Start();
context.L.Trace("Api: " + provider.Title + " " + name);
var response = await t.Invoke().ConfigureAwait(false);
context.L.Trace("Api finished @ " + sw.ToElapsed() + " : " + provider.Title + " " + name);
if (response != null)
{
afterSuccess?.Invoke(response);
}
return(new ApiResponse <T>(response));
}
catch (ApiResponseException ae)
{
context.L.Error("Api Error: " + provider.Title + " " + name + ": " + ae.Message);
return(new ApiResponse <T>(ae.Message));
}
catch (Exception e)
{
context.L.Error("Api Error: " + provider.Title + " " + name + ": " + e.Message);
return(new ApiResponse <T>(e));
}
}
public static Task <ApiResponse <List <AssetInfo> > > GetCoinInformationAsync(ICoinInformationProvider provider, NetworkProviderContext context = null)
{
context = context ?? new NetworkProviderContext();
return(ApiHelpers.WrapExceptionAsync(() => provider.GetCoinInformationAsync(context), nameof(GetCoinInformation), provider, context));
}
public static Task <ApiResponse <TransferSuspensions> > GetTransferSuspensionsAsync(IDepositProvider provider, NetworkProviderContext context = null)
{
context = context ?? new NetworkProviderContext();
return(ApiHelpers.WrapExceptionAsync(() => provider.GetTransferSuspensionsAsync(context), nameof(GetTransferSuspensions), provider, context));
}
public static Task <ApiResponse <AssetPairs> > GetAssetPairsAsync(IAssetPairsProvider provider, NetworkProviderContext context = null)
{
context = context ?? new NetworkProviderContext();
return(AssetPairCache.I.TryAsync(provider, () => ApiHelpers.WrapExceptionAsync(() => provider.GetAssetPairsAsync(context), nameof(GetAssetPairs), provider, context)));
}
public static ApiResponse <List <AssetInfo> > GetCoinInformation(ICoinInformationProvider provider, NetworkProviderContext context = null)
{
return(AsyncContext.Run(() => GetCoinInformationAsync(provider, context)));
}
public static ApiResponse <TransferSuspensions> GetTransferSuspensions(IDepositProvider provider, NetworkProviderContext context = null)
{
return(AsyncContext.Run(() => GetTransferSuspensionsAsync(provider, context)));
}
public static ApiResponse <AssetPairs> GetAssetPairs(IAssetPairsProvider provider, NetworkProviderContext context = null)
{
return(AsyncContext.Run(() => GetAssetPairsAsync(provider, context)));
}