public override Task Validate(ProcessorContext context)
{
context.ValidateNonce();
var quantum = context.Envelope.Message as RequestQuantum;
var orderRequest = quantum.RequestEnvelope.Message as OrderRequest;
if (orderRequest.Asset <= 0 || !context.CentaurusContext.AssetIds.Contains(orderRequest.Asset))
{
throw new InvalidOperationException("Invalid asset identifier: " + orderRequest.Asset);
}
//estimate XLM amount
var quoteAmount = OrderMatcher.EstimateQuoteAmount(orderRequest.Amount, orderRequest.Price, orderRequest.Side);
//check that lot size is greater than minimum allowed lot
if (quoteAmount < context.CentaurusContext.Constellation.MinAllowedLotSize)
{
throw new BadRequestException("Lot size is smaller than the minimum allowed lot.");
}
//fetch user's account record
var account = orderRequest.AccountWrapper.Account;
//check required balances
if (orderRequest.Side == OrderSide.Sell)
{
var balance = account.GetBalance(orderRequest.Asset);
if (!balance.HasSufficientBalance(orderRequest.Amount))
{
throw new BadRequestException("Insufficient funds");
}
}
else
{
var balance = account.GetBalance(0);
if (!balance.HasSufficientBalance(quoteAmount))
{
throw new BadRequestException("Insufficient funds");
}
}
ValidateCounterOrdersCount(orderRequest, context.CentaurusContext.Exchange.GetOrderbook(orderRequest.Asset, orderRequest.Side.Inverse()));
return(Task.CompletedTask);
}
public override Task Validate(ProcessorContext context)
{
context.ValidateNonce();
return(Task.CompletedTask);
}
