public Result <string> SendRawTransactions(List <SendRawTransactionInputsIM> senders, IEnumerable <SendItemInfo> sendManyModels, string changeAddress, long lockTime, long feeRate) { if (senders == null || !senders.Any()) { return(null); } List <SendRawTransactionOutputsIM> receivers = new List <SendRawTransactionOutputsIM>(); sendManyModels.ToList().ForEach(x => { SendRawTransactionOutputsIM receiver = new SendRawTransactionOutputsIM { Address = x.Address, Amount = x.Amount }; receivers.Add(receiver); }); ApiResponse response = TransactionApi.SendRawTransaction(senders.ToArray(), receivers.ToArray(), changeAddress, lockTime, feeRate).Result; return(base.GetResult <string>(response));; }