ContractTransactionResponse.cs

public class ContractTransactionResponse
{
    public List<Datum> data { get; set; }
    public bool success { get; set; }
    public Meta meta { get; set; }

    public class Datum
    {
        public List<Ret> ret { get; set; }
        public List<string> signature { get; set; }
        public string txID { get; set; }
        public int net_usage { get; set; }
        public string raw_data_hex { get; set; }
        public int net_fee { get; set; }
        public int energy_usage { get; set; }
        public string block_timestamp { get; set; }
        public string blockNumber { get; set; }
        public int energy_fee { get; set; }
        public int energy_usage_total { get; set; }
        public RawData raw_data { get; set; }
        public List<object> internal_transactions { get; set; }

        public class Ret
        {
            public string contractRet { get; set; }
        }

        public class RawData
        {
            public List<Contract> contract { get; set; }
            public string ref_block_bytes { get; set; }
            public string ref_block_hash { get; set; }
            public object expiration { get; set; }
            public long fee_limit { get; set; }
            public object timestamp { get; set; }

            public class Contract
            {
                public Parameter parameter { get; set; }
                public string type { get; set; }
                public class Parameter
                {
                    public Value value { get; set; }
                    public string type_url { get; set; }

                    public class Value
                    {
                        public string data { get; set; }
                        public string owner_address { get; set; }
                        public string contract_address { get; set; }
                    }
                }
            }

        }

    }

    public class Meta
    {
        public long at { get; set; }
        public string fingerprint { get; set; }
        public Links links { get; set; }
        public int page_size { get; set; }

        public class Links
        {
            public string next { get; set; }
        }
    }

}

GetContractTransactionDataByTxId.cs

//call GetContractTransactionDataByTxId from USDT contract and find txid: 63958d9a93c206567123f8c5120742f0d024d5ffe45a6dc700f6cc169552b38b
var res = GetContractTransactionDataByTxId("TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t", "63958d9a93c206567123f8c5120742f0d024d5ffe45a6dc700f6cc169552b38b");
Console.Write(JsonConvert.SerializeObject(res));



 /// <summary>
 /// 在某合約中的交易查詢 尋找某  txid 交易資訊
 /// </summary>
 /// <param name="contractAddress">contract address</param>
 /// <param name="targetTxId">target txid</param>
 static ContractTransactionResponse.Datum GetContractTransactionDataByTxId(string contractAddress, string targetTxId)
 {


     var apiUri = "https://api.trongrid.io/v1/contracts/" + contractAddress + "/transactions";

     var count = 0;

     while (!string.IsNullOrEmpty(apiUri))
     {
         var client = new RestClient(apiUri);
         var request = new RestRequest("", Method.Get);
         request.AddHeader("accept", "application/json");

         var response = client.Execute(request);

         var contractTransObj = JsonConvert.DeserializeObject<ContractTransactionResponse>(response.Content);


         foreach (var t in contractTransObj.data)
         {
             var amount = BigInteger.Parse(t.raw_data.contract[0].parameter.value.data.Substring(t.raw_data.contract[0].parameter.value.data.Length - 64, 64),
                                           NumberStyles.AllowHexSpecifier);

             var to = ConvertHexToBase58Check("41" + t.raw_data.contract[0].parameter.value.data.Substring(32, 40));
             var from = ConvertHexToBase58Check(t.raw_data.contract[0].parameter.value.owner_address);

             Console.WriteLine($"Block: {t.blockNumber}, txid: {t.txID}, from: {from}, to: {to}, amount: {amount}");

             if (t.txID == targetTxId)
             {
                 Console.WriteLine("找到目標交易！");
                 Console.Write("搜尋過" + count + "筆資料");
                 return t;
                 break;
             }
             count++;
         }

         
         apiUri = contractTransObj.meta?.links?.next;
     }
     return null;
     //  Console.WriteLine(response.Content);

 }