M8M/diffCalc.html at main · MaxDZ8/M8M · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
<!DOCTYPE html>
<html>
<!--
 * This code is released under the MIT license.
 * For conditions of distribution and use, see the LICENSE or hit the web.
 */-->
<head>
<meta charset="UTF-8">
<title>M8M large integer trouble test test test</title>
<script type="application/javascript" src="bigInt.js"></script>
<script type="application/javascript">
"use strict"

var toDec = {
  truediffone:  "00000000FFFF0000000000000000000000000000000000000000000000000000",
  truediffonePD:"00000000FFFFFFFF000000000000000000000000000000000000000000000000",
  bits192:      "0000000000000000FFFFFFFFFFFFFFFF00000000000000000000000000000000",
  bits128:      "00000000000000000000000000000000FFFFFFFFFFFFFFFF0000000000000000",
  bits64:       "000000000000000000000000000000000000000000000000FFFFFFFFFFFFFFFF"
};


var toHex = {
  truediffone: "26959535291011309493156476344723991336010898738574164086137773096960",
  bits192: "6277101735386680763835789423207666416102355444464034512896",
  bits128: "340282366920938463463374607431768211456",
  bits64: "18446744073709551616",
};


window.onload = function() {
  function addCell(content, container) {
    if(!container) container = tr;
    var type = "td";
    if(container.tagName == "THEADER") type = "th";
    var td = document.createElement(type);
    td.textContent = content;
    container.appendChild(td);
  }
  function header() {
    var h = document.createElement("theader");
    for(var loop = 0; loop < arguments.length; loop++) {
      addCell(arguments[loop], h);
    }
    table.appendChild(h);
  }
  var table = document.createElement("table");
  header("identifier", "hex digits", "decimal");
  for(var key in toDec) {
    var value = str2bigInt(toDec[key], 16, 256);
    var tr = document.createElement("tr");
    addCell(key);
    addCell("0x" + toDec[key]);
    addCell(bigInt2str(value, 10));
    table.appendChild(tr);
  }
  document.body.appendChild(table);
  table = document.createElement("table");
  header("identifier", "decimal", "hex digits");
  for(var key in toHex) {
    var value = str2bigInt(toHex[key], 10, 256);
    var tr = document.createElement("tr");
    addCell(key);
    addCell(toHex[key]);
    addCell("0x" + bigInt2str(value, 16));
    table.appendChild(tr);
  }
  document.body.appendChild(table);
}

</script>
</head>
<body">
<p>Stupid webpage to test the magic numbers used in miner's difficulty calculations.</p>
</body>
</html>