public Task <TransactionReceipt> FinalizeChangeRequestAndWaitForReceiptAsync(FinalizeChangeFunction finalizeChangeFunction, CancellationTokenSource cancellationToken = null)
 {
     return(ContractHandler.SendRequestAndWaitForReceiptAsync(finalizeChangeFunction, cancellationToken));
 }
 public Task <string> FinalizeChangeRequestAsync(FinalizeChangeFunction finalizeChangeFunction)
 {
     return(ContractHandler.SendRequestAsync(finalizeChangeFunction));
 }