ProductHistoryv2.cs

using Nethereum.ABI.FunctionEncoding.Attributes;
using Nethereum.Contracts;
using Nethereum.Web3;
using Nethereum.Web3.Accounts;
using Newtonsoft.Json;
using System;
using System.Numerics;
using System.Threading.Tasks;

namespace NethereumSamples
{
    public static class ProductHistorySamplev2
    {
        /*
pragma solidity ^0.6.1;
pragma experimental ABIEncoderV2;

contract ProductTransHistory_2 {
    struct Transaction {
        string text;
        address FromAddress;
        address ToAddress;
        uint256 Price;
    }

    struct Product {
        string text;
        mapping(uint256 => Transaction) TransactionStructs;
        uint256 TransactionCount;
    }

    mapping(string => Product) ProductStructs;
    string[] ProductList;

    function newProduct(string memory ProductKey, string memory text) public returns (bool success) {
        ProductStructs[ProductKey].text = text;
        ProductList.push(ProductKey);
        return true;
    }

    function getProduct(string memory ProductKey) public view returns (string memory wording, uint256 TransactionCount) {
        return (ProductStructs[ProductKey].text, ProductStructs[ProductKey].TransactionCount);
    }

    function addTransaction(
        string memory ProductKey, string memory _transactionText, address _fromAddress, address _toAddress, uint256 _Price)
        public returns (bool success)
    {
        uint256 _TransacitonCount = ProductStructs[ProductKey].TransactionCount + 1;
        ProductStructs[ProductKey].TransactionStructs[_TransacitonCount].text = _transactionText;
        ProductStructs[ProductKey].TransactionStructs[_TransacitonCount].FromAddress = _fromAddress;
        ProductStructs[ProductKey].TransactionStructs[_TransacitonCount].ToAddress = _toAddress;
        ProductStructs[ProductKey].TransactionStructs[_TransacitonCount].Price = _Price;
        ProductStructs[ProductKey].TransactionCount = _TransacitonCount;
        return true;
    }

    function getProductTransaction(string memory ProductKey, uint256 TransactionNo)
        public
        view
        returns (string memory ProductText, string memory TransactionText, address FromAddress, address ToAddress, uint256 TransacitonCost)
    {
        return (
            ProductStructs[ProductKey].text,
            ProductStructs[ProductKey].TransactionStructs[TransactionNo].text,
            ProductStructs[ProductKey].TransactionStructs[TransactionNo].FromAddress,
            ProductStructs[ProductKey].TransactionStructs[TransactionNo].ToAddress,
            ProductStructs[ProductKey].TransactionStructs[TransactionNo].Price
        );
    }

    function getTransactionCount() public view returns (uint256 ProductCount) {
        return ProductList.length;
    }

    function getProductAtIndex(uint256 row) public view returns (string memory productkey) {
        return ProductList[row];
    }

    function getProductTransactionCount(string memory ProductKey) public view returns (uint256 transactionCount) {
        return ProductStructs[ProductKey].TransactionCount;
    }
}
         */

        public static async Task Main(string[] args)
        {
            // contract deployment starts here //
            var url = "http://testchain.nethereum.com:8545";
            var privateKey = "0x7580e7fb49df1c861f0050fae31c2224c6aba908e116b8da44ee8cd927b990b0";
            var account = new Account(privateKey);
            var web3 = new Web3(account, url);
            Console.WriteLine($"Deploying Contract");
            var deploymentReceipt = await web3.Eth.GetContractDeploymentHandler<ProductTransHistory_2Deployment>().SendRequestAndWaitForReceiptAsync();
            Console.WriteLine($"Contract Address: {deploymentReceipt.ContractAddress}");
            // contract deployment ends here //

            var contractHandler = web3.Eth.GetContractHandler(deploymentReceipt.ContractAddress);

            // create product
            Console.WriteLine("New Product");
            var newProductFunctionArgs = new NewProductFunction { ProductKey = "p1", Text = "Product 1" };
            var receipt = await contractHandler.SendRequestAndWaitForReceiptAsync(newProductFunctionArgs);
            Console.WriteLine($"Transaction Complete. Tx Hash: {receipt.TransactionHash},  Success: {receipt.Status}");

            Console.WriteLine("Add Transaction");
            var newTranArgs = new AddTransactionFunction { 
                ProductKey = "p1", 
                TransactionText = "tran 1", 
                FromAddress = account.Address, 
                ToAddress = account.Address, 
                Price = new BigInteger(99) };
            var addTranReceipt = await contractHandler.SendRequestAndWaitForReceiptAsync<AddTransactionFunction>(newTranArgs);
            Console.WriteLine($"Transaction Complete. Tx Hash: {addTranReceipt.TransactionHash},  Success: {addTranReceipt.Status}");

            // query
            Console.WriteLine("Query/Get Product");
            var getProductArgs = new GetProductFunction { ProductKey ="p1" };
            var productText = await contractHandler.QueryAsync<GetProductFunction, string>(getProductArgs);
            Console.WriteLine($"Product Text. {productText}");

            Console.WriteLine("Query/Get Product");
            var getProductTranArgs = new GetProductTransactionFunction { ProductKey = "p1", TransactionNo = 1 };
            var productTransactionDto = await contractHandler.QueryDeserializingToObjectAsync<GetProductTransactionFunction, GetProductTransactionOutputDTO>(getProductTranArgs);
            Console.WriteLine($"Product Trans. {JsonConvert.SerializeObject(productTransactionDto)}");
        }

        /*
pragma solidity ^0.6.1;
pragma experimental ABIEncoderV2;

contract ProductHistory {

    mapping(bytes32 => string) public productText;
    bytes32[] public productList;

    constructor() public {}

    function newProduct(bytes32 productKey, string memory text) public payable returns (bool) {
        productText[productKey] = text;
        productList.push(productKey);
        return true;
    }

    function getProductText(bytes32 productKey) public view returns(string memory){
        return productText[productKey];
    }
}
         */

        // Generated code starts here

        public partial class ProductTransHistory_2Deployment : ProductTransHistory_2DeploymentBase
        {
            public ProductTransHistory_2Deployment() : base(BYTECODE) { }
            public ProductTransHistory_2Deployment(string byteCode) : base(byteCode) { }
        }

        public class ProductTransHistory_2DeploymentBase : ContractDeploymentMessage
        {
            public static string BYTECODE = "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";
            public ProductTransHistory_2DeploymentBase() : base(BYTECODE) { }
            public ProductTransHistory_2DeploymentBase(string byteCode) : base(byteCode) { }

        }

        public partial class AddTransactionFunction : AddTransactionFunctionBase { }

        [Function("addTransaction", "bool")]
        public class AddTransactionFunctionBase : FunctionMessage
        {
            [Parameter("string", "ProductKey", 1)]
            public virtual string ProductKey { get; set; }
            [Parameter("string", "_transactionText", 2)]
            public virtual string TransactionText { get; set; }
            [Parameter("address", "_fromAddress", 3)]
            public virtual string FromAddress { get; set; }
            [Parameter("address", "_toAddress", 4)]
            public virtual string ToAddress { get; set; }
            [Parameter("uint256", "_Price", 5)]
            public virtual BigInteger Price { get; set; }
        }

        public partial class GetProductFunction : GetProductFunctionBase { }

        [Function("getProduct", typeof(GetProductOutputDTO))]
        public class GetProductFunctionBase : FunctionMessage
        {
            [Parameter("string", "ProductKey", 1)]
            public virtual string ProductKey { get; set; }
        }

        public partial class GetProductAtIndexFunction : GetProductAtIndexFunctionBase { }

        [Function("getProductAtIndex", "string")]
        public class GetProductAtIndexFunctionBase : FunctionMessage
        {
            [Parameter("uint256", "row", 1)]
            public virtual BigInteger Row { get; set; }
        }

        public partial class GetProductTransactionFunction : GetProductTransactionFunctionBase { }

        [Function("getProductTransaction", typeof(GetProductTransactionOutputDTO))]
        public class GetProductTransactionFunctionBase : FunctionMessage
        {
            [Parameter("string", "ProductKey", 1)]
            public virtual string ProductKey { get; set; }
            [Parameter("uint256", "TransactionNo", 2)]
            public virtual BigInteger TransactionNo { get; set; }
        }

        public partial class GetProductTransactionCountFunction : GetProductTransactionCountFunctionBase { }

        [Function("getProductTransactionCount", "uint256")]
        public class GetProductTransactionCountFunctionBase : FunctionMessage
        {
            [Parameter("string", "ProductKey", 1)]
            public virtual string ProductKey { get; set; }
        }

        public partial class GetTransactionCountFunction : GetTransactionCountFunctionBase { }

        [Function("getTransactionCount", "uint256")]
        public class GetTransactionCountFunctionBase : FunctionMessage
        {

        }

        public partial class NewProductFunction : NewProductFunctionBase { }

        [Function("newProduct", "bool")]
        public class NewProductFunctionBase : FunctionMessage
        {
            [Parameter("string", "ProductKey", 1)]
            public virtual string ProductKey { get; set; }
            [Parameter("string", "text", 2)]
            public virtual string Text { get; set; }
        }



        public partial class GetProductOutputDTO : GetProductOutputDTOBase { }

        [FunctionOutput]
        public class GetProductOutputDTOBase : IFunctionOutputDTO
        {
            [Parameter("string", "wording", 1)]
            public virtual string Wording { get; set; }
            [Parameter("uint256", "TransactionCount", 2)]
            public virtual BigInteger TransactionCount { get; set; }
        }

        public partial class GetProductAtIndexOutputDTO : GetProductAtIndexOutputDTOBase { }

        [FunctionOutput]
        public class GetProductAtIndexOutputDTOBase : IFunctionOutputDTO
        {
            [Parameter("string", "productkey", 1)]
            public virtual string Productkey { get; set; }
        }

        public partial class GetProductTransactionOutputDTO : GetProductTransactionOutputDTOBase { }

        [FunctionOutput]
        public class GetProductTransactionOutputDTOBase : IFunctionOutputDTO
        {
            [Parameter("string", "ProductText", 1)]
            public virtual string ProductText { get; set; }
            [Parameter("string", "TransactionText", 2)]
            public virtual string TransactionText { get; set; }
            [Parameter("address", "FromAddress", 3)]
            public virtual string FromAddress { get; set; }
            [Parameter("address", "ToAddress", 4)]
            public virtual string ToAddress { get; set; }
            [Parameter("uint256", "TransacitonCost", 5)]
            public virtual BigInteger TransacitonCost { get; set; }
        }

        public partial class GetProductTransactionCountOutputDTO : GetProductTransactionCountOutputDTOBase { }

        [FunctionOutput]
        public class GetProductTransactionCountOutputDTOBase : IFunctionOutputDTO
        {
            [Parameter("uint256", "transactionCount", 1)]
            public virtual BigInteger TransactionCount { get; set; }
        }

        public partial class GetTransactionCountOutputDTO : GetTransactionCountOutputDTOBase { }

        [FunctionOutput]
        public class GetTransactionCountOutputDTOBase : IFunctionOutputDTO
        {
            [Parameter("uint256", "ProductCount", 1)]
            public virtual BigInteger ProductCount { get; set; }
        }
    }
}