/// <summary>
/// Adds block to chain if more than %50 of miners agrees it
/// </summary>
/// <param name="block"></param>
/// <param name="blockID"></param>
public static void AddBlockToChain(Block block)
{
for (int a = 0; a < Miners.miners.Count; a++)
{
for (int b = 0; b < Miners.miners[a].Count; b++)
{
if (Miners.miners[a][b].Key.BlockID == block.BlockID)
{
if (Miners.miners[a][b].Key.Time.CompareTo(block.Time) < 0)
{
block.Time = Miners.miners[a][b].Key.Time;
block.Nonce = Miners.miners[a][b].Key.Nonce;
block.Hash = Miners.miners[a][b].Key.Hash;
}
Miners.miners[a].RemoveAt(b);
break;
}
}
}
for (int a = 0; a < Chain.Count; a++)
{
if (Chain[a].BlockID == block.BlockID)
{
return;
}
}
Chain.Add(block);
// notify all miners that a block is added into the local chain
TCP.SendAllMiners("block" + TCP.JsonSerialize(block));
}
public void Mine()
{
int division = int.MaxValue / Miners.minerIPs.Count;
Nonce = 0;
for (int a = 0; a < Miners.minerIPs.Count; a++)
{
if (Miners.minerIPs[a].Equals(TCP.myIP))
{
Nonce = division * a;
}
}
Console.WriteLine("Mine started");
while (true)
{
//if(Nonce%1000 == 0)
// Console.WriteLine(Nonce);
if (ChangeNonce(Nonce))
{
Console.WriteLine("Mine ended");
Time = DateTime.Now;
Miners.SetMyMinerTrue(this);
TCP.SendAllMiners("checkNonce" + Time.ToString() + "$" + BlockID.ToString() + "$" + Nonce.ToString());
break;
}
else
{
Nonce++;
}
}
Console.WriteLine(
"Block's hash is -> " + Hash +
"\nBlock's nonce is -> " + Nonce + "\n" +
"Found Date is -> " + Time + "\n");
}
public static void Main()
{
IPAddress[] address = Dns.GetHostEntry(Dns.GetHostName()).AddressList;
List <string> addressList = new List <string>();
int b = 1;
for (int a = 0; a < address.Length; a++)
{
string ipString = address[a].ToString();
if (!ipString.Contains("::"))
{
addressList.Add(address[a].ToString());
Console.WriteLine(b + "- " + address[a].ToString());
b++;
}
}
if (addressList.Count == 1)
{
TCP.myIP = addressList[0];
}
else
{
Console.WriteLine("Please select your ip.");
int select = int.Parse(Console.ReadLine());
TCP.myIP = addressList[select - 1];
}
Console.WriteLine("Your ip: " + TCP.myIP);
TCP.StartListener();
AppDomain.CurrentDomain.ProcessExit += new EventHandler(CurrentDomain_ProcessExit);
//Test.TestMethod();
Console.WriteLine("\nMiner application starting...\n");
MainMethod();
}
static void CurrentDomain_ProcessExit(object sender, EventArgs e)
{
TCP.SendWebServer("exit");
Console.WriteLine("\n\nExiting...");
Console.WriteLine("Please press a key");
Console.ReadKey();
}
/// <summary>
/// Website sent new block
/// </summary>
/// <param name="data"></param>
public static void ReceiveNewBlock(Data data)
{
Block block = null;
for (int a = 0; a < Miners.miners.Count; a++)
{
block = CreateBlock(data);
Miners.miners[a].Add(new KeyValuePair <Block, bool>(block, false));
}
// send webserver BlockID
if (Miners.minerIPs[0].Equals(TCP.myIP))
{
TCP.SendWebServer("BlockID" + block.BlockID);
}
Console.WriteLine("Received new block");
nonceFinderThread = new Thread(new ThreadStart(block.Mine))
{
Name = "NonceFinderThread" + block.BlockID
};
nonceFinderThread.Start();
}
public static void ConnectToNetwork()
{
TCP.SendWebServer("connectToNetwork" + TCP.myIP);
Console.WriteLine("Connect request sent to network");
}
public static void ReceiveChain(List <Block> blockChain)
{
Chain = blockChain;
TCP.SendWebServer("addMeNow");
}
public static void MainMethod()
{
string title = @"
_____ _ _____ _ _
/ ____| | | / ____| | (_)
| (___ _ _ _ __ _ __ | |_ _| | | |__ __ _ _ _ __
\___ \| | | | '_ \| '_ \| | | | | | | '_ \ / _` | | '_ \
____) | |_| | |_) | |_) | | |_| | |____| | | | (_| | | | | |
|_____/ \__,_| .__/| .__/|_|\__, |\_____|_| |_|\__,_|_|_| |_|
| | | | __/ |
|_| |_| |___/
";
Console.WriteLine(title);
Console.WriteLine(
"Command List: \n" +
"connect [ip] --> Connect to website and join other miners. [ip] is webserver's ip.\n" +
"print [id] --> Print block which given id\n" +
"exit --> Leave the network\n" +
"quit --> exit application\n");
while (true)
{
string command = Console.ReadLine();
command = command.ToLower();
if (command.StartsWith("connect"))
{
if (command.Length > 8)
{
command = command.Substring(8);
}
else
{
Console.WriteLine("Please enter the ip");
continue;
}
if (!command.Contains("."))
{
Console.WriteLine("Please enter the ip");
continue;
}
TCP.WebServerIp = command;
Miners.ConnectToNetwork();
continue;
}
if (command.StartsWith("print"))
{
command = command.Substring(6);
Console.WriteLine(BlockChain.GetBlock(int.Parse(command)).ToString());
break;
}
if (command.StartsWith("chain"))
{
Console.WriteLine("\n--------BLOCKCHAIN--------");
BlockChain.GetChain().ForEach(b => Console.WriteLine(b.ToString()));
Console.WriteLine("--------BLOCKCHAIN--------\n");
}
if (command.StartsWith("get"))
{
if (BlockChain.GetChain().Count == 1)
{
TCP.Send(Miners.minerIPs[0], "getChain");
}
else
{
Console.WriteLine("Already have chain");
}
}
if (command.StartsWith("read"))
{
string path = command.Substring(5);
string st = File.ReadAllText(path);
object ret = TCP.JsonDeserialize(st);
var obj = TCP.Cast(ret, new { list = new List <Block>() });
BlockChain.SetChain(obj.list);
TCP.SendWebServer("addMeNow");
}
if (command.StartsWith("write"))
{
string path = command.Substring(6);
string st = TCP.JsonSerialize(new { list = BlockChain.GetChain() });
File.WriteAllText(path, st);
}
if (command.Equals("exit"))
{
Console.WriteLine("Leaving network...\nPlease press a key");
Console.ReadKey();
Console.Clear();
MainMethod();
break;
}
if (command.Equals("quit"))
{
Environment.Exit(0);
}
}
}
