SimpleNethereumConsoleTest

using Nethereum.Geth;
using Nethereum.Hex.HexTypes;
using Nethereum.Web3.Accounts.Managed;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace SimpleTest
{
    public class Program
    {
        public static void Main()
        {
            var t = Task.Run(() => ShouldBeAbleToDeployAContract());
            t.Wait();
            Console.ReadKey();
        }


        public static async Task ShouldBeAbleToDeployAContract()
        {
            var senderAddress = "0x12890d2cce102216644c59daE5baed380d84830c";
            var password = "password";
            var abi = @"[{'constant':false,'inputs':[{'name':'x','type':'uint256'}],'name':'change','outputs':[],'payable':false,'type':'function'},{'constant':false,'inputs':[{'name':'a','type':'uint256'}],'name':'multiply','outputs':[{'name':'d','type':'uint256'}],'payable':false,'type':'function'}]";
            var byteCode =
                "0x60606040526007600055341561001457600080fd5b5b60c0806100236000396000f300606060405263ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166375322e4781146046578063c6888fa114605b575b600080fd5b3415605057600080fd5b60596004356080565b005b3415606557600080fd5b606e6004356089565b60405190815260200160405180910390f35b60008190555b50565b60005481025b9190505600a165627a7a72305820e968f1718f54e45928bdc522341c62736307a6445913275f6cc645b22376550f0029";

            var multiplier = 7;

            //a managed account uses personal_sendTransanction with the given password, this way we don't need to unlock the account for a certain period of time
            var account = new ManagedAccount(senderAddress, password);

            //using the specific geth web3 library to allow us manage the mining.
            var web3 = new Web3Geth(account);

            // start mining
            await web3.Miner.Start.SendRequestAsync(6);

            var transactionHash =
                await web3.Eth.DeployContract.SendRequestAsync(abi, byteCode, senderAddress, new HexBigInteger(900000));

            var receipt = await web3.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(transactionHash);

            while (receipt == null)
            {
                Thread.Sleep(5000);
                receipt = await web3.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(transactionHash);
            }

            //Contract
            var con = web3.Eth.GetContract(abi, receipt.ContractAddress);

            var function = con.GetFunction("multiply");
            var res = await function.CallAsync<uint>(10);


            function = con.GetFunction("change");
            var txnHashChange = await function.SendTransactionAsync(senderAddress, 10); //HANGS HERE
        }
    }
}