protected override Task InvokeAsyncBase(InvocationContext context)
{
try
{
var human = context.ParseResult.ValueForOption <bool>("human");
var offer = JsonConvert.DeserializeObject <Offer>(context.ParseResult.CommandResult.GetArgumentValueOrDefault("offer") as string ?? string.Empty, JsonSerializerSettings);
if (offer is null)
{
throw new CommandException("offer", "Invalid offer");
}
var review = new OfferReview(offer);
if (human)
{
context.Console.Out.WriteLine($"Oracle pubkey: {review.OraclePubKey}");
context.Console.Out.WriteLine($"Event's nonce: {review.Nonce}");
context.Console.Out.WriteLine($"Offerer payoffs:");
PrintPayoffs(context, review.OffererPayoffs);
context.Console.Out.WriteLine($"Accepter payoffs:");
PrintPayoffs(context, review.AcceptorPayoffs);
context.Console.Out.WriteLine($"Expected Acceptor Collateral: {review.AcceptorCollateral.ToString(false, false)}");
context.Console.Out.Write($"You will be able to broadcast the contract transactions " + ToString(review.Timeouts.ContractMaturity));
context.Console.Out.Write($"If the oracle disappears, you can be refunded " + ToString(review.Timeouts.ContractTimeout));
}
else
{
WriteObject(context, review);
}
}
catch (Exception ex)
{
throw new CommandException("offer", $"Invalid offer ({ex.Message})");
}
return(Task.CompletedTask);
}
public bool AddReview(OfferReview review)
{
if ((review.Rate <= 5 || review.Rate >= 0) && review.Comment.Length <= 255)
{
try
{
return(_unitOfWork.Offers.AddReview(new Review
{
Comment = review.Comment,
Customer_ID = review.CustomerId,
RateValue = review.Rate,
ServiceOffer_ID = review.ServiceOfferId
}
));
}
catch
{
return(false);
}
}
return(false);
}
protected override async Task InvokeAsyncBase(InvocationContext context)
{
var offer = context.GetOffer(Network);
if (offer.OracleInfo is null)
{
throw new CommandException("offer", "Missing oracleInfo");
}
if (offer.Timeouts is null)
{
throw new CommandException("offer", "Missing timeouts");
}
if (offer.ContractInfo is null)
{
throw new CommandException("offer", "Missing contractInfos");
}
var oracle = await Repository.GetOracle(offer.OracleInfo.PubKey);
var oracleName = await NameRepository.GetName(Scopes.Oracles, new OracleId(offer.OracleInfo.PubKey).ToString());
if (oracle is null || oracleName is null)
{
throw new CommandException("offer", "Unknown oracle");
}
var evt = await Repository.GetEvent(offer.OracleInfo.PubKey, offer.OracleInfo.RValue);
if (evt?.EventId is null)
{
throw new CommandException("offer", "Unknown event");
}
var maturity = new LockTimeEstimation(offer.Timeouts.ContractMaturity, Network);
var refund = new LockTimeEstimation(offer.Timeouts.ContractTimeout, Network);
if (!refund.UnknownEstimation)
{
if (refund.EstimatedRemainingBlocks == 0)
{
throw new CommandException("offer", "The refund should not be immediately valid");
}
if (refund.EstimatedRemainingBlocks < maturity.EstimatedRemainingBlocks)
{
throw new CommandException("offer", "The refund should not be valid faster than the contract execution transactions");
}
}
if (!offer.SetContractPreimages(evt.Outcomes))
{
throw new CommandException("offer", "The contract info of the offer does not match the specification of the event");
}
try
{
var review = new OfferReview(offer);
var evtName = (await NameRepository.AsEventRepository().ResolveName(evt.EventId)) ?? new EventFullName("???", "???");
context.Console.Out.WriteLine($"Event: {evtName}");
context.Console.Out.WriteLine($"Fee rate: {offer.FeeRate!.SatoshiPerByte} sat/vbyte");
context.Console.Out.WriteLine($"The payoff function if you accept:");
PrintPayoffs(context, review.AcceptorPayoffs);
context.Console.Out.WriteLine($"Your expected collateral: {review.AcceptorCollateral.ToString(false, false)}");
context.Console.Out.WriteLine($"Contract Execution validity: " + maturity.ToString());
context.Console.Out.WriteLine($"Refund validity: " + refund.ToString());
context.Console.Out.WriteLine($"How to accept this offer:");
context.Console.Out.WriteLine($"If your plan to accept this offer, you need to run 'dlc accept <dlcname> <offer>'. The DLC name is arbitrary and local, you will use it to manage your DLC.");
}
catch (Exception ex)
{
throw new CommandException("offer", $"Invalid offer. ({ex.Message})");
}
}