public async Task <IReadOnlyCollection <AssetBalanceModel> > GetLykkeAsync()
{
IReadOnlyCollection <Balance> balances = await _balanceService.GetAsync(ExchangeNames.Lykke);
IReadOnlyCollection <Credit> credits = await _creditService.GetAllAsync();
string[] assets = balances.Select(o => o.AssetId)
.Union(credits.Select(o => o.AssetId))
.ToArray();
var model = new List <AssetBalanceModel>();
foreach (string assetId in assets)
{
Balance balance = balances.SingleOrDefault(o => o.AssetId == assetId);
Credit credit = credits.SingleOrDefault(o => o.AssetId == assetId);
decimal balanceAmount = balance?.Amount ?? decimal.Zero;
decimal creditAmount = credit?.Amount ?? decimal.Zero;
model.Add(new AssetBalanceModel
{
AssetId = assetId,
Amount = balanceAmount,
CreditAmount = creditAmount,
Disbalance = balanceAmount - creditAmount
});
}
return(model);
}
public async Task <IReadOnlyCollection <BalanceReport> > GetAsync()
{
IReadOnlyCollection <Balance> lykkeBalances = await _balanceService.GetAsync(ExchangeNames.Lykke);
IReadOnlyCollection <Balance> externalBalances = await _balanceService.GetAsync(ExchangeNames.External);
IReadOnlyCollection <Credit> credits = await _creditService.GetAllAsync();
IReadOnlyCollection <Domain.AssetSettings> assetsSettings = await _assetSettingsService.GetAllAsync();
string[] assets = externalBalances
.Select(o => o.AssetId)
.Union(lykkeBalances.Select(o => o.AssetId).Union(credits.Select(o => o.AssetId))
.Select(o => assetsSettings.SingleOrDefault(p => p.LykkeAssetId == o)?.AssetId ?? o))
.ToArray();
var reports = new List <BalanceReport>();
foreach (string assetId in assets)
{
Domain.AssetSettings assetSettings = assetsSettings.SingleOrDefault(o => o.AssetId == assetId);
string lykkeAssetId = assetSettings?.LykkeAssetId ?? assetId;
Balance lykkeBalance = lykkeBalances.SingleOrDefault(o => o.AssetId == lykkeAssetId);
Balance externalBalance = externalBalances.SingleOrDefault(o => o.AssetId == assetId);
Credit credit = credits.SingleOrDefault(o => o.AssetId == lykkeAssetId);
decimal lykkeDisbalance = (lykkeBalance?.Amount ?? 0) - (credit?.Amount ?? 0);
decimal totalAmount = lykkeDisbalance + (externalBalance?.Amount ?? 0);
if (totalAmount != 0)
{
(decimal? TotalAmountInUsd, decimal? Rate)tuple = (null, null);
if (assetId == AssetConsts.UsdAssetId)
{
tuple = (totalAmount, 1);
}
else if (assetSettings != null)
{
Quote quote = await _quoteService
.GetAsync(assetSettings.QuoteSource, assetSettings.ExternalAssetPairId);
if (quote != null)
{
tuple = Calculator.CalculateCrossMidPrice(totalAmount, quote, assetSettings.IsInverse);
}
}
reports.Add(new BalanceReport
{
Asset = assetId,
LykkeAssetId = lykkeAssetId,
ExternalAssetId = assetId,
LykkeAmount = lykkeBalance?.Amount,
LykkeCreditAmount = credit?.Amount,
LykkeDisbalance = lykkeDisbalance,
ExternalAmount = externalBalance?.Amount,
TotalAmount = totalAmount,
TotalAmountInUsd = tuple.TotalAmountInUsd,
CrossRate = tuple.Rate
});
}
}
return(reports);
}