public OracleResponseInvocation(OracleResponseCode code, string url, string callback, string filter, JToken?userData, JToken result, long gasForResponse)
{
Code = code;
Url = url;
Callback = callback;
Filter = filter;
UserData = userData;
Result = result;
GasForResponse = gasForResponse;
}
protected override void DeserializeWithoutType(ref MemoryReader reader)
{
Id = reader.ReadUInt64();
Code = (OracleResponseCode)reader.ReadByte();
if (!Enum.IsDefined(typeof(OracleResponseCode), Code))
{
throw new FormatException();
}
Result = reader.ReadVarMemory(MaxResultSize);
if (Code != OracleResponseCode.Success && Result.Length > 0)
{
throw new FormatException();
}
}
public static void Callback(string url, string userdata, OracleResponseCode code, string result)
{
if (code != OracleResponseCode.Success)
{
throw new Exception("Oracle response failure with code " + (byte)code);
}
object ret = StdLib.JsonDeserialize(result); // [ "hello world" ]
object[] arr = (object[])ret;
string value = (string)arr[0];
Runtime.Log("userdata: " + userdata);
Runtime.Log("response value: " + value);
}
public static void GetPriceCallback(string url, string userdata, OracleResponseCode code, string result)
{
if (Runtime.CallingScriptHash != Oracle.Hash)
{
throw new Exception("No authorization");
}
if (code != OracleResponseCode.Success)
{
throw new Exception("Oracle response failure with code " + (byte)code);
}
object[] arr = (object[])StdLib.JsonDeserialize(result); // ["11988.2"]
string value = (string)arr[0];
string[] data = StdLib.StringSplit(userdata, "#");
Contract.Call(ProviderRegistry, "updatePriceByProvider", CallFlags.All, new object[] { data[0], data[1], value });
}