public async IAsyncEnumerable <ApiFund> GetFunds([FromQuery] ApiCurrencyQueryFilter queryFilter)
{
await foreach (var fund in fundService
.ListFundsAsync(queryFilter.CurrencyCode)
.WithCancellation(scopedCancellationToken.Token))
{
yield return(MapFund(fund));
}
}
public async IAsyncEnumerable <IInvestment> ListInvestmentsAsync(EthereumAddress address, CurrencyCode currencyCode)
{
await foreach (var fund in fundService
.ListFundsAsync(currencyCode)
.WithCancellation(CancellationToken))
{
var tokenCount = await quantityProviderFactory
.CreateProvider(fund.Token.Symbol.ToString())
.GetContractBalanceAsync(fund.Token.ContractAddress, address, fund.Token.Decimals);
if (tokenCount > decimal.Zero)
{
yield return(new BusinessInvestment()
{
Fund = fund,
Held = tokenCount
});
}
else
{
var isLegacy = false;
await foreach (var transaction in Transactions
.ListInboundTransactionsAsync(fund.Token.Symbol, address)
.WithCancellation(CancellationToken))
{
isLegacy = true;
break;
}
if (!isLegacy)
{
await foreach (var transaction in Transactions
.ListOutboundTransactionsAsync(fund.Token.Symbol, address)
.WithCancellation(CancellationToken))
{
isLegacy = true;
break;
}
}
if (isLegacy)
{
yield return(new BusinessInvestment()
{
Fund = fund,
Held = decimal.Zero,
Legacy = isLegacy
});
}
}
}
await foreach (var stake in stakeService
.ListStakesAsync(currencyCode)
.WithCancellation(CancellationToken))
{
var tokenCount = await quantityProviderFactory
.CreateProvider(stake.Token.Symbol.ToString())
.GetContractBalanceAsync(stake.Token.ContractAddress, address, stake.Token.Decimals);
if (tokenCount > decimal.Zero)
{
yield return(new BusinessInvestment()
{
Fund = MapStakeToFund(stake),
Held = tokenCount
});
}
}
}
