/// <summary>
/// Revokes a user identified by a revoc_id in a given revoc-registry.
/// </summary>
/// <remarks>
/// <para>
/// The corresponding claim definition and revocation registry must be already
/// have been created and stored in the wallet.
/// </para>
/// </remarks>
/// <param name="wallet">The target wallet.</param>
/// <param name="issuerDid">The DID of the issuer.</param>
/// <param name="schemaSequenceNumber">The sequence number of the schema.</param>
/// <param name="userRevocIndex">index of the user in the revocation registry</param>
/// <returns>An asynchronous <see cref="Task{T}"/> that, when the operation completes, resolves
/// to a revocation registry update JSON with a revoked claim.</returns>
public static Task <string> IssuerRevokeClaimAsync(Wallet wallet, string issuerDid, int schemaSequenceNumber, int userRevocIndex)
{
var taskCompletionSource = new TaskCompletionSource <string>();
var commandHandle = PendingCommands.Add(taskCompletionSource);
var commandResult = IndyNativeMethods.indy_issuer_revoke_claim(
commandHandle,
wallet.Handle,
issuerDid,
schemaSequenceNumber,
userRevocIndex,
IssuerRevokeClaimCallback
);
CallbackHelper.CheckResult(commandResult);
return(taskCompletionSource.Task);
}
