/// <summary>
/// Builds a SCHEMA ledger request to store a schema.
/// </summary>
/// <remarks>
/// <para>
/// Builds a request message that is suitable for storing a schema on a
/// ledger. Schema specify the data types and formats which are used to make up claims.
/// </para>
/// <para>
/// The <paramref name="data"/> parameter must contain a JSON string with the members "name",
/// "version" and "attr_names" that define the schema. For example the following JSON describes
/// a schema with the name "access" that is version 1.0 of the schema and specifies the attributes
/// "ip", "port", and "keys":
/// <code>
/// {
/// "name":"access",
/// "version":"1.0",
/// "attr_names":["ip","port","keys"]
/// }
/// </code>
/// </para>
/// </remarks>
/// <param name="submitterDid">The DID of the submitter.</param>
/// <param name="data">The JSON schema.</param>
/// <returns>An asynchronous <see cref="Task{T}"/> that resolves to a <see cref="string"/>
/// containing the request JSON. </returns>
public static Task <string> BuildSchemaRequestAsync(string submitterDid, string data)
{
var taskCompletionSource = new TaskCompletionSource <string>();
var commandHandle = PendingCommands.Add(taskCompletionSource);
var result = IndyNativeMethods.indy_build_schema_request(
commandHandle,
submitterDid,
data,
_buildRequestCallback
);
CallbackHelper.CheckResult(result);
return(taskCompletionSource.Task);
}
