private DiscretePayoffs GetOutcomes(string[]?outcomes)
{
string optionName = "outcome";
if (outcomes is null || outcomes.Length is 0)
{
throw new CommandOptionRequiredException(optionName);
}
DiscretePayoffs pnl = new DiscretePayoffs();
for (int i = 0; i < outcomes.Length; i++)
{
var separator = outcomes[i].LastIndexOf(':');
if (separator == -1)
{
throw new CommandException(optionName, "Invalid outcome, the format should be \'outcome:reward\' where \'reward\' is in sats (\'1000 sats\') or in BTC (\'0.2\')");
}
var outcome = outcomes[i].Substring(0, separator);
var reward = outcomes[i].Substring(separator + 1);
reward = reward.ToLowerInvariant().Trim();
var satsSeparator = reward.IndexOf("sats");
Money rewardMoney = Money.Zero;
if (satsSeparator == -1)
{
rewardMoney = Money.Parse(reward);
}
else
{
rewardMoney = Money.Satoshis(long.Parse(reward.Substring(0, satsSeparator)));
}
pnl.Add(new DiscretePayoff(outcome, rewardMoney));
}
return(pnl);
}
public void CanConvertContractInfoToPayoff()
{
var payoffs = new DiscretePayoffs();
payoffs.Add(new DiscreteOutcome("a"), Money.Coins(5.0m));
payoffs.Add(new DiscreteOutcome("b"), Money.Coins(-5.0m));
payoffs.Add(new DiscreteOutcome("c"), Money.Coins(-2.0m));
Assert.Equal(Money.Coins(5.0m), payoffs.CalculateMinimumCollateral());
var ci = payoffs.ToContractInfo(payoffs.CalculateMinimumCollateral());
Assert.Equal(Money.Coins(10.0m), ci[0].Payout);
Assert.Equal(Money.Coins(0m), ci[1].Payout);
Assert.Equal(Money.Coins(3.0m), ci[2].Payout);
payoffs = DiscretePayoffs.CreateFromContractInfo(ci, Money.Coins(5.0m));
Assert.Equal(Money.Coins(5.0m), payoffs[0].Reward);
Assert.Equal(Money.Coins(-5.0m), payoffs[1].Reward);
Assert.Equal(Money.Coins(-2.0m), payoffs[2].Reward);
}
public DiscretePayoffs ToDiscretePayoffs(ContractInfo[] contractInfo)
{
if (contractInfo is null || contractInfo.Length is 0)
{
throw new ArgumentException("contractInfo is required", nameof(contractInfo));
}
DiscretePayoffs payoffs = new DiscretePayoffs();
foreach (var ci in contractInfo)
{
payoffs.Add(new DiscretePayoff(ci.Outcome, ci.Payout - TotalCollateral));
}
return(payoffs);
}
private DiscretePayoffs CreatePayoffs(List <string> payoffs)
{
var result = new DiscretePayoffs();
foreach (var payoff in payoffs)
{
if (!DiscretePayoff.TryParse(payoff, out var o) || o is null)
{
throw new CommandException("payoff", "The payoff can't be parsed");
}
result.Add(o);
}
return(result);
}