internal async Task <string> GetExtrinsicParametersAsync(GenericExtrinsicCall callArguments, Account account, uint tip, uint lifeTime, CancellationToken token)
{
Method method = GetMethod(callArguments);
uint nonce = await System.AccountNextIndexAsync(account.Address, token);
Era era;
Hash startEra;
if (lifeTime == 0)
{
era = Era.Create(0, 0);
startEra = GenesisHash;
}
else
{
startEra = await Chain.GetFinalizedHeadAsync(token);
Header finalizedHeader = await Chain.GetHeaderAsync(startEra, token);
era = Era.Create(lifeTime, finalizedHeader.Number);
}
var uncheckedExtrinsic = RequestGenerator.SubmitExtrinsic(true, account, method, era, nonce, tip, GenesisHash, startEra);
return(Utils.Bytes2HexString(uncheckedExtrinsic.Encode(), Utils.HexStringFormat.PREFIXED));
}
/// <summary>
/// Get an unchecked extrinsic.
/// </summary>
/// <param name="callArguments"></param>
/// <param name="account"></param>
/// <param name="tip"></param>
/// <param name="lifeTime"></param>
/// <param name="signed"></param>
/// <param name="token"></param>
/// <returns></returns>
public async Task <UnCheckedExtrinsic> GetExtrinsicParametersAsync(GenericExtrinsicCall callArguments, Account account, uint tip, uint lifeTime, bool signed, CancellationToken token)
{
var method = GetMethod(callArguments);
var nonce = await System.AccountNextIndexAsync(account.Value, token);
Era era;
Hash startEra;
if (lifeTime == 0)
{
era = Era.Create(0, 0);
startEra = GenesisHash;
}
else
{
startEra = await Chain.GetFinalizedHeadAsync(token);
var finalizedHeader = await Chain.GetHeaderAsync(startEra, token);
era = Era.Create(lifeTime, finalizedHeader.Number.Value);
}
return(RequestGenerator.SubmitExtrinsic(signed, account, method, era, nonce, tip, GenesisHash, startEra, RuntimeVersion));
}
/// <summary>
/// Subscribe Storage Key Async
/// </summary>
/// <param name="moduleName"></param>
/// <param name="itemName"></param>
/// <param name="parameter"></param>
/// <param name="callback"></param>
/// <param name="token"></param>
/// <returns></returns>
public async Task <string> SubscribeStorageKeyAsync(string moduleName, string itemName, string[] parameter,
Action <string, StorageChangeSet> callback, CancellationToken token)
{
if (_socket?.State != WebSocketState.Open)
{
throw new ClientNotConnectedException($"WebSocketState is not open! Currently {_socket?.State}!");
}
if (!MetaData.TryGetModuleByName(moduleName, out var module) ||
!module.TryGetStorageItemByName(itemName, out var item))
{
throw new MissingModuleOrItemException(
$"Module '{moduleName}' or Item '{itemName}' missing in metadata of '{MetaData.Origin}'!");
}
if (item.Function?.Key1 != null && (parameter == null || parameter.Length == 0))
{
throw new MissingParameterException(
$"{moduleName}.{itemName} needs a parameter of type '{item.Function?.Key1}'!");
}
var parameters = RequestGenerator.GetStorage(module, item, parameter);
var subscriptionId =
await InvokeAsync <string>("state_subscribeStorage", new object[] { new JArray {
parameters
} }, token);
Listener.RegisterCallBackHandler(subscriptionId, callback);
return(subscriptionId);
}
/// <summary>
/// Get Storage Keys Async
/// </summary>
/// <param name="moduleName"></param>
/// <param name="itemName"></param>
/// <param name="token"></param>
/// <returns></returns>
public async Task <JArray> GetStorageKeysAsync(string moduleName, string itemName, CancellationToken token)
{
if (_socket?.State != WebSocketState.Open)
{
throw new ClientNotConnectedException($"WebSocketState is not open! Currently {_socket?.State}!");
}
if (!MetaData.TryGetModuleByName(moduleName, out var module) ||
!module.TryGetStorageItemByName(itemName, out var item))
{
throw new MissingModuleOrItemException(
$"Module '{moduleName}' or Item '{itemName}' missing in metadata of '{MetaData.Origin}'!");
}
var parameters = Utils.Bytes2HexString(RequestGenerator.GetStorageKeyBytesHash(module, item));
return(await InvokeAsync <JArray>("state_getKeys", new object[] { parameters }, token));
}
/// <summary> Gets storage asynchronous. </summary>
/// <remarks> 19.09.2020. </remarks>
/// <exception cref="ClientNotConnectedException"> Thrown when a Client Not Connected error
/// condition occurs. </exception>
/// <exception cref="MissingModuleOrItemException"> Thrown when a Missing Module Or Item error
/// condition occurs. </exception>
/// <exception cref="MissingParameterException"> Thrown when a Missing Parameter error
/// condition occurs. </exception>
/// <exception cref="MissingConverterException"> Thrown when a Missing Converter error
/// condition occurs. </exception>
/// <param name="moduleName"> Name of the module. </param>
/// <param name="itemName"> Name of the item. </param>
/// <param name="parameter"> The parameter. </param>
/// <param name="token"> A token that allows processing to be cancelled. </param>
/// <returns> The storage. </returns>
public async Task <object> GetStorageAsync(string moduleName, string itemName, string parameter, CancellationToken token)
{
if (_socket?.State != WebSocketState.Open)
{
throw new ClientNotConnectedException($"WebSocketState is not open! Currently {_socket?.State}!");
}
if (!MetaData.TryGetModuleByName(moduleName, out Module module) || !module.TryGetStorageItemByName(itemName, out Item item))
{
throw new MissingModuleOrItemException($"Module '{moduleName}' or Item '{itemName}' missing in metadata of '{MetaData.Origin}'!");
}
string method = "state_getStorage";
if (item.Function?.Key1 != null && parameter == null)
{
throw new MissingParameterException($"{moduleName}.{itemName} needs a parameter of type '{item.Function?.Key1}'!");
}
string parameters;
if (item.Function?.Key1 != null)
{
byte[] key1Bytes = Utils.KeyTypeToBytes(item.Function.Key1, parameter);
parameters = "0x" + RequestGenerator.GetStorage(module, item, key1Bytes);
}
else
{
parameters = "0x" + RequestGenerator.GetStorage(module, item);
}
var resultString = await InvokeAsync <string>(method, new object[] { parameters }, token);
string returnType = item.Function?.Value;
if (!_typeConverters.ContainsKey(returnType))
{
throw new MissingConverterException($"Unknown type '{returnType}' for result '{resultString}'!");
}
return(_typeConverters[returnType].Create(resultString));
}
/// <summary>Gets the storage asynchronous.</summary>
/// <param name="moduleName">Name of the module.</param>
/// <param name="itemName">Name of the item.</param>
/// <param name="key1Param">The key1 parameter.</param>
/// <param name="key2Param">The key2 parameter.</param>
/// <param name="token">The token.</param>
/// <returns> Returns storage object of ITypeConverter result.</returns>
/// <exception cref="ClientNotConnectedException">WebSocketState is not open! Currently {_socket?.State}!</exception>
/// <exception cref="MissingModuleOrItemException">Module '{moduleName}' or Item '{itemName}' missing in metadata of '{MetaData.Origin}'!</exception>
/// <exception cref="MissingParameterException"></exception>
/// <exception cref="MissingConverterException">Unknown type '{returnType}' for result '{resultString}'!</exception>
public async Task <object> GetStorageAsync(string moduleName, string itemName, string[] key1Param, string[] key2Param,
CancellationToken token)
{
if (_socket?.State != WebSocketState.Open)
{
throw new ClientNotConnectedException($"WebSocketState is not open! Currently {_socket?.State}!");
}
if (!MetaData.TryGetModuleByName(moduleName, out var module) ||
!module.TryGetStorageItemByName(itemName, out var item))
{
throw new MissingModuleOrItemException(
$"Module '{moduleName}' or Item '{itemName}' missing in metadata of '{MetaData.Origin}'!");
}
// map
if (item.Function?.Key1 != null && (key1Param == null || key1Param.Length == 0))
{
throw new MissingParameterException(
$"{moduleName}.{itemName} needs a parameter of type '{item.Function?.Key1}'!");
}
// double map
if (item.Function?.Key2 != null && (key2Param == null || key2Param.Length == 0))
{
throw new MissingParameterException(
$"{moduleName}.{itemName} needs a parameter of type '{item.Function?.Key2}'!");
}
var parameters = RequestGenerator.GetStorage(module, item, key1Param, key2Param);
var resultString = await InvokeAsync <string>("state_getStorage", new object[] { parameters }, token);
var returnType = item.Function?.Value;
if (!_typeConverters.ContainsKey(returnType))
{
throw new MissingConverterException($"Unknown type '{returnType}' for result '{resultString}'!");
}
return(_typeConverters[returnType].Create(resultString));
}
