create account key pair

Author: juanfranblanco

Nethereum.Console/App.cs

@@ -17,6 +17,7 @@ public App()
             Commands.Add(new CalculateAccountsFolderTotalBalanceCommand());
             Commands.Add(new CalculateAccountsTotalBalanceCommand());
             Commands.Add(new AccountTokenBalanceCommand(accountService));
+            Commands.Add(new CreateAccountKeyPairCommand(accountService));
 
             HelpOption("-h | -? | --help");
         }

Nethereum.Console/Commands/AccountTokenBalanceCommand.cs

@@ -3,6 +3,7 @@
 
 namespace Nethereum.Console
 {
+
     /// <example>
     ///  dotnet run account-total-token-balance --url "https://mainnet.infura.io:8545"  -a 0xd0a6e6c54dbc68db5db3a091b171a77407ff7ccf -ca 0x86fa049857e0209aa7d9e616f7eb3b3b78ecfdb0
     /// </example>

Nethereum.Console/Commands/CreateAccountKeyPairCommand.cs

@@ -0,0 +1,28 @@
+using System;
+using Microsoft.Extensions.CommandLineUtils;
+
+namespace Nethereum.Console
+{
+    public class CreateAccountKeyPairCommand: CommandLineApplication
+    {
+        private IAccountService accountService;
+        public CreateAccountKeyPairCommand(IAccountService accountService)
+        {
+            this.accountService = accountService;
+            Name = "create-account-key-pair";
+            Description = "Generates a new private key and ethereum address";
+
+            HelpOption("-? | -h | --help");
+            OnExecute((Func<int>)RunCommand);
+        }
+
+        private int RunCommand()
+        {
+            var key = accountService.GenerateNewAccount();
+            System.Console.WriteLine("Account Address: " + key.GetPublicAddress());
+            System.Console.WriteLine("Private Key: " + key.GetPrivateKey());
+            return 0;
+        }
+
+    }
+}

Nethereum.Console/Services/AccountService.cs

@@ -2,6 +2,7 @@
 using Nethereum.Hex.HexTypes;
 using Nethereum.KeyStore;
 using Nethereum.RPC.Eth.DTOs;
+using Nethereum.Signer;
 using Nethereum.Web3.Accounts;
 using System;
 using System.Collections.Generic;
@@ -14,14 +15,18 @@ namespace Nethereum.Console
 {
     public class AccountService : IAccountService
     {
+        public EthECKey GenerateNewAccount()
+        {
+            //Generate a private key pair using SecureRandom
+            return Nethereum.Signer.EthECKey.GenerateKey();
+        }
         public Account CreateAccount(string password, string path)
         {
             if (!Directory.Exists(path)){
                 Directory.CreateDirectory(path);
             }
-            //Generate a private key pair using SecureRandom
-            var ecKey = Nethereum.Signer.EthECKey.GenerateKey();
-            //Get the public address (derivied from the public key)
+
+            var ecKey = GenerateNewAccount();
             var address = ecKey.GetPublicAddress();
 
             //Create a store service, to encrypt and save the file using the web3 standard

Nethereum.Console/Services/IAccountService.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Nethereum.Hex.HexTypes;
+using Nethereum.Signer;
 
 namespace Nethereum.Console
 {
@@ -17,5 +18,6 @@ public interface IAccountService
         Task<string> SendTransactionAsync(string keyStoreFilePath, string keyStorePassword, string addressTo, decimal etherAmount, string rpcUrl, HexBigInteger gas, HexBigInteger gasPrice, string data);
         Task<string> SendTransactionAsync(Account account, string addressTo, decimal etherAmount, string rpcUrl, HexBigInteger gas, HexBigInteger gasPrice, string data);
         Task<decimal> GetTokenBalanceAsync(string adddress, string contractAddress, string rpcUrl, int numberOfDecimalPlaces = 18);
+        EthECKey GenerateNewAccount();
     }
 }

README.md

@@ -113,11 +113,13 @@ create-acccounts-mix-balances
 *  -? | -h | --help              Show help information
 
 # TODO
-* ERC20 balance, transfer
+* SendTransaction (added for private key and key store file, this is done add readme usage)
+* ERC20 balance (done, add readme usage), transfer
 * Generare keystore file from private key, password
-* Generate private key, address
+* Generate private key, address (done, todo add readme usage)
+* Retrieve private key from key storage
 * Message sign
-* Transfer overloads
+* Deploy contract
 * Generic Smart contract call / transfer using abi and method
 
 # License