public async Task <Promise> Get(int id, ApplicationUser user)
{
try
{
var promiseKeyHex = await SmartPromiseConverter.GetPromiseKeyHex(user.Address, id, _blockchain);
var promiseJsonHex = await _blockchain.GetStorage(NETWORK_TYPE.TESTNET, promiseKeyHex);
var promiseJson = SmartPromiseConverter.Hex2Str(promiseJsonHex);
return(JsonConvert.DeserializeObject <Promise>(promiseJson));
}
catch (Exception ex)
{
return(null);
}
}
private async Task <IEnumerable <Promise> > LoadPromises(string[] keys)
{
var jsonPromisesHex = await Task.WhenAll(
keys.Select(key => _blockchain.GetStorage(NETWORK_TYPE.TESTNET, key))
);
var promises = jsonPromisesHex.ToAsyncEnumerable().Select(p => {
try
{
return(JsonConvert.DeserializeObject <Promise>(SmartPromiseConverter.Hex2Str(p)));
}
catch (Exception)
{
return(new Promise {
Title = "Error while loading. Please, try later.",
Content = "",
Complicity = 0,
Status = PROMISE_STATUS.ERROR
});
}
}).ToEnumerable();
return(promises);
}