static void Main(string[] args)
{
var chain = new Blockchain <Vote>();
var numberGenerator = new Random();
var personGenerator = new PersonNameGenerator(numberGenerator);
var candidates = personGenerator.GenerateMultipleFirstAndLastNames(5).Select(e => new Candidate(e)).ToList();
for (var x = 0; x < 100000; x++)
{
var vote = new Vote(new Voter(personGenerator.GenerateRandomFirstAndLastName()), candidates[numberGenerator.Next(candidates.Count)]);
chain.Add(vote);
}
//Console.WriteLine("ID\tPrevious Hash\t\t\t\t\tHash\t\t\t\t\t\t\tTimestamp");
var totals = new int[candidates.Count];
foreach (var block in chain.Chain)
{
if (block.Data != null)
{
totals[candidates.IndexOf(block.Data.Candidate)]++;
}
//Console.WriteLine($"{block.Id}\t{block?.PreviousHash ?? "",-44}\t{block.Hash,-44}\t{block.Timestamp}\t{block.Data?.Name ?? ""}:{block.Data?.Candidate ?? ""}");
}
for (var x = 0; x < candidates.Count; x++)
{
Console.WriteLine($"{candidates[x].FullName,-30}\t{totals[x]:#,#}");
}
Console.WriteLine();
Console.WriteLine($"Has blockchain been tampered with? {!chain.IsValid()}");
Console.ReadKey();
}
public void AddBlock()
{
Block block = new Block(0);
Block block1 = new Block(1);
Blockchain blockchain = new Blockchain(block);
blockchain.Add(block1);
Assert.AreEqual(1, blockchain.BestBlockNumber);
}
static void Main(string[] args)
{
Test();
int difficulty = 3;
var chain = new Blockchain <int>(difficulty);
chain.AddTag(new Tag("even"));
chain.AddTag(new Tag("odd"));
var data = new List <ISignedData <int> >();
for (int i = 0; i < 10; i++)
{
var tag = i % 2 == 0 ? "even" : "odd";
data.Add(chain.Add(i, tag));
}
Console.WriteLine($"Chain is:{chain.IsValid()}");
var d = chain[7];
Console.WriteLine($"Fake block is valid: { chain.ValidateData(d) }");
foreach (var item in data)
{
Console.WriteLine($"Data at index '{item.Index}' is valided: {chain.ValidateData(item)}");
}
var odd = chain.GetByTag("odd");
var json = chain.ToJson();
var newChain = Blockchain <int> .CreateFromJson(json);
Console.WriteLine($"New chain is valid: {newChain.IsValid()}");
Console.WriteLine($"Data is valid: {newChain.ValidateData(d)}");
Console.WriteLine($"Chains compared and equal: {chain.Compare(newChain)}");
}
public void RejectBlockWithTooMuchGreaterNumber()
{
Block block = new Block(0);
Block block1 = new Block(2);
Blockchain blockchain = new Blockchain(block);
try
{
blockchain.Add(block1);
Assert.Fail();
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(InvalidOperationException));
Assert.AreEqual("Rejected block", ex.Message);
}
}
// добавить данные в блокчейн
public static void AddData(this Blockchain chain, byte[] Data)
{
IBlock block = new Block(Data);
chain.Add(block);
}