public async Task SaveDLC(DLCState dlc)
{
var dir = Path.Combine(RepositoryDirectory, "DLCs");
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
var file = GetDLCFilePath(dlc.Id);
if (!File.Exists(file))
{
throw new InvalidOperationException("This DLC does not exists");
}
await File.WriteAllTextAsync(file, JsonConvert.SerializeObject(dlc, JsonSettings));
}
public async Task <DLCState> NewDLC(OracleInfo oracleInfo, DLCTransactionBuilder builder)
{
var dir = Path.Combine(RepositoryDirectory, "DLCs");
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
var s = new DLCState()
{
OracleInfo = oracleInfo,
BuilderState = builder.ExportStateJObject(),
Id = RandomUtils.GetUInt256()
};
var file = GetDLCFilePath(s.Id);
await File.WriteAllTextAsync(file, JsonConvert.SerializeObject(s, JsonSettings));
return(s);
}
public static void AssertState(this InvocationContext ctx, string optionName, DLCState currentState, bool expectedOfferer, DLCNextStep expectedState, Network network)
{
if (currentState.BuilderState is null)
{
throw new CommandException(optionName, "The DLC is in an invalid state for this action");
}
var isOfferer = currentState.GetBuilder(network).State.IsInitiator;
if (isOfferer && !expectedOfferer)
{
throw new CommandException(optionName, "This action must be run by the acceptor, but you are the offerer of the DLC");
}
if (!isOfferer && expectedOfferer)
{
throw new CommandException(optionName, "This action must be run by the offerer, but you are the acceptor of the DLC");
}
var actualStep = currentState.GetNextStep(network);
if (actualStep != expectedState)
{
throw new CommandException(optionName, $"The DLC is in an invalid state for this action. The expected state is '{expectedState}' but your state is '{actualStep}'.");
}
}