private void QueryChainState()
{
try
{
if (!App.IsPolkadotApiConnected)
{
App.ConnectToNode();
}
var response = PolkadotApi.GetStorage(new Address("5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY"), "ProductRegistry", "ProductsOfOrganization");
var products = PolkadotApi.Serializer.Deserialize <ProductIdList>(response.HexToByteArray());
foreach (var product in products.ProductIds)
{
Trace.WriteLine(product);
}
var extrinsicExtensions = PolkadotApi.GetMetadata(new Polkadot.Data.GetMetadataParams()).GetExtrinsicExtension();
foreach (var ext in extrinsicExtensions)
{
Trace.WriteLine(ext);
}
}
catch (System.Exception ex)
{
Trace.WriteLine(ex);
}
}
internal async Task LoadDataAsync()
{
IsBusy = true;
try
{
await Task.Run(() =>
{
try
{
var response = PolkadotApi.GetStorage(new Address("5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY"), "ProductTracking", "ShipmentsOfOrganization");
var shipments = PolkadotApi.Serializer.Deserialize <ShipmentIdList>(response.HexToByteArray());
var shipmentsObs = new ObservableCollection <ShipmentInfo>(shipments.ShipmentIds.Select(s => new ShipmentInfo {
ShipmentId = s.ToString()
}));
Device.BeginInvokeOnMainThread(() => Shipments = shipmentsObs);
}
catch (Exception ex)
{
Trace.WriteLine(ex);
}
});
}
finally
{
IsBusy = false;
}
}
protected T GetValueFromStorageMap <T>(string module, string storageMap, object key)
{
var param = PolkadotApi.Serializer.Serialize(key);
var paramKey = Hash.GetStorageKey(Hasher.BLAKE2, param, param.Length, PolkadotApi.Serializer);
var response = PolkadotApi.GetStorage(paramKey.Concat(param).ToArray(), module, storageMap);
return(PolkadotApi.Serializer.Deserialize <T>(response.HexToByteArray()));
}
