public async Task <OracleId?> GetId(string name)
{
var id = await NameRepository.GetId(Scopes.Oracles, name);
if (id is null)
{
return(null);
}
OracleId.TryParse(id, out var r);
return(r);
}
public async Task <ICollection <KeyValuePair <string, OracleId> > > GetIds()
{
var ids = await NameRepository.GetIds(Scopes.Oracles);
var result = new List <KeyValuePair <string, OracleId> >();
foreach (var id in ids)
{
if (OracleId.TryParse(id.Value, out var idObj))
{
result.Add(new KeyValuePair <string, OracleId>(id.Key, idObj));
}
}
return(result);
}
public static bool TryParse(string str, [MaybeNullWhenAttribute(false)] out OracleId id)
{
id = null;
if (!HexEncoder.IsWellFormed(str))
{
return(false);
}
var bytes = Encoders.Hex.DecodeData(str);
if (!ECXOnlyPubKey.TryCreate(bytes, Context.Instance, out var k) || k is null)
{
return(false);
}
id = new OracleId(k);
return(true);
}
protected override async Task InvokeAsyncBase(InvocationContext context)
{
var oracleName = context.ParseResult.CommandResult.GetArgumentValueOrDefault <string>("name")?.Trim();
if (oracleName is null)
{
throw new CommandOptionRequiredException("name");
}
var pubkey = context.ParseResult.CommandResult.GetArgumentValueOrDefault <string>("pubkey")?.ToLowerInvariant()?.Trim();
if (pubkey is null)
{
throw new CommandOptionRequiredException("pubkey");
}
if (!OracleId.TryParse(pubkey, out var oracleId))
{
throw new CommandException("pubkey", "Invalid pubkey");
}
if (Set)
{
var oracle = await GetOracle("name", oracleName);
await Repository.RemoveOracle(oracle.PubKey);
await Repository.AddOracle(oracleId.PubKey);
}
else
{
var oracle = await TryGetOracle(oracleName);
if (oracle is Oracle)
{
throw new CommandException("name", "This oracle already exists");
}
await Repository.AddOracle(oracleId.PubKey);
}
await NameRepository.SetMapping(Scopes.Oracles, oracleName, oracleId.ToString());
}
public async Task <EventFullName?> ResolveName(OracleInfo eventId)
{
var events = await NameRepository.GetIds(Scopes.Events);
foreach (var ev in events)
{
var oracleId = new OracleId(eventId.PubKey);
if (ev.Key.StartsWith(oracleId.ToString()))
{
if (ev.Value == eventId.RValue.ToString())
{
var oracleName = await NameRepository.GetName(Scopes.Oracles, oracleId.ToString());
if (oracleName is null)
{
return(null);
}
var idx = ev.Key.IndexOf('/');
return(new EventFullName(oracleName, ev.Key.Substring(idx + 1)));
}
}
}
return(null);
}
private string GetEventFullName(OracleId oracleId, string name)
{
return($"{oracleId.ToString()}/{name}");
}
