125 lines
4.7 KiB
C#
125 lines
4.7 KiB
C#
using System;
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using System.Text;
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using System.Linq;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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using Newtonsoft.Json;
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using SHA3;
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namespace onionrpow
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{
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public class Meta{
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public string ch { get; set; }
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public string type { get; set; }
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}
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public class Block{
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public string meta { get; set; }
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public string sig { get; set; }
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public string signer { get; set; }
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public int n;
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public int c;
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public int time;
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//public List<byte> data { get; set; }
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}
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public class OnionrPow
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{
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public static void compute(byte[] data, int difficulty){
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using (var shaAlg = SHA3.Net.Sha3.Sha3256())
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//using (SHA256 shaAlg = SHA256.Create())
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{
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string stringData = Encoding.UTF8.GetString(data);
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bool found = false;
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var justData = new List<byte>();
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var metadataJson = new List<byte>();
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int counter = 0;
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foreach(char c in stringData){
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if (found){
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justData.Add((byte) c);
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}
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else if (c == '\n'){
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for (int i = 0; i < counter + 1; i++){
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metadataJson.Add(data[i]);
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}
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found = true;
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}
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else{
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//Console.WriteLine(c.ToString());
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}
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counter += 1;
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}
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Block block = JsonConvert.DeserializeObject<Block>(Encoding.UTF8.GetString(metadataJson.ToArray()));
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block.n = new Random().Next(10000);
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block.c = 0;
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metadataJson.Clear();
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metadataJson.AddRange(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(block)));
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int location = Encoding.UTF8.GetString(metadataJson.ToArray()).IndexOf("\"c\":");
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var metadata1 = new List<byte>();
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var metadata2 = new List<byte>();
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var countKey = new List<byte>();
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countKey.AddRange(Encoding.UTF8.GetBytes("\"c\":"));
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bool afterNum = false;
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for (int i = location + 4; i < metadataJson.Count; i++){
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if (!afterNum && ((char) metadataJson[i]).Equals(',')){
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afterNum = true;
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continue;
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}
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if (afterNum){
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metadata2.Add(metadataJson[i]);
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}
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}
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for (int i = 0; i < location; i++){
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metadata1.Add(metadataJson[i]);
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}
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var preCompiled = new List<byte>();
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preCompiled.AddRange(metadata1);
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preCompiled.AddRange(countKey);
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int powCounter = 0;
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var justDataArray = justData.ToArray();
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justData.Clear();
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int difficultyCounter = 0;
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while(true){
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var compiled = preCompiled.ToList();
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compiled.AddRange(metadata1);
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compiled.AddRange(Encoding.UTF8.GetBytes(powCounter.ToString()));
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compiled.AddRange(metadata2);
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compiled.AddRange(justDataArray);
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var hash = shaAlg.ComputeHash(compiled.ToArray());
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foreach (byte b in hash){
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if (b == 0){
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difficultyCounter += 1;
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if (difficultyCounter == difficulty){
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Console.WriteLine(powCounter);
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Console.WriteLine(BitConverter.ToString(hash));
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goto powDone;
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}
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continue;
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}
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difficultyCounter = 0;
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break;
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}
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//Console.WriteLine(powCounter);
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powCounter += 1;
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}
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//Console.WriteLine(location);
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//Console.WriteLine(Encoding.UTF8.GetString(metadataJson.ToArray()));
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}
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powDone:;
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}
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//b'{"meta":"{\\"ch\\":\\"global\\",\\"type\\":\\"brd\\"}","sig":"pR4qmKGGCdnyNyZRlhGfF9GC7bONCsEnY04lTfiVuTHexPJypOqmxe9iyDQQqdR+PB2gwWuNqGMs5O8\\/S\\/hsCA==","signer":"UO74AP5LGQFI7EJTN6NAVINIPU2XO2KA7CAS6KSWGWAY5XIB5SUA====","time":1600542238,"pow":300182}\nxcvxcvvxcxcv'
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}
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}
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