private bool IncTest(Int64 num)
{
var b0 = new BigInteger(num);
var c0 = Mint.BigToCompact(b0);
var b1 = new BigInteger(0);
if (num < 0x800000)
{
b1 = new BigInteger(num + 1);
}
else
{
b1 = new BigInteger(num);
var bytes = BigInteger.Abs(b1).ToByteArray().Length;
var leftshift = 8 * (bytes - 3);
var toadd = 1 << leftshift;
b1 = BigInteger.Add(b1, new BigInteger(toadd));
}
var c1 = Mint.BigToCompact(b1);
if (c1 == c0)
{
return(false);
}
var c1_ = Mint.IncCompact(c0);
if (c1_ != c1)
{
return(false);
}
return(true);
}
public void CheckStakeKernelHashTest()
{
var result = Mint.CheckStakeKernelHash(new PeercoinUtils.MintTemplate(
"totest",
"Pxxxx",
1394219584,
160,
1394219584,
1,
210090000,
471087779
),
1411634680,
15161125480764745506);
bool isValid = result.success;
Assert.IsTrue(isValid);
var tpl0Hash = new List <byte> {
0x00, 0x00, 0x00, 0xdb, 0x33, 0x30, 0x88, 0x15,
0x19, 0xa4, 0xf3, 0x2b, 0x90, 0x91, 0xb0, 0x93,
0x0f, 0x24, 0xec, 0x6f, 0xb0, 0x90, 0x0a, 0xcf,
0xbf, 0xb0, 0xc2, 0x26, 0xc7, 0xbc, 0x31, 0x92,
};
//little endian
tpl0Hash.Reverse();
for (int i = 0; i < result.hash.Length; i++)
{
isValid = result.hash[i] == tpl0Hash[i];
Assert.IsTrue(isValid);
}
// check if template satisfies min target
var minbits = Mint.IncCompact(Mint.BigToCompact(result.minTarget));
var minresult = Mint.CheckStakeKernelHash(new PeercoinUtils.MintTemplate(
"totest",
"Pxxx",
1394219584,
160,
1394219584,
1,
210090000,
minbits
),
1411634680,
15161125480764745506);
isValid = minresult.success;
Assert.IsTrue(isValid);
}
public void TestRoundtrip()
{
var set = new List <UInt32>()
{
471105047
};
set.ForEach(compact => {
var expected = Mint.BigToCompact(Mint.DiffToTarget(Mint.CompactToDiff(compact)));
bool isValid = compact == expected;
Assert.IsTrue(isValid);
});
}
public void IncTests()
{
var list = new List <long>()
{
0x1, 0x2, 0x12, 0x123, 0x1234, 0x12345, 0x123456, 0x800000, 0x1234567,
0x7fffff, 0x7ffffffff,
};
var big = new BigInteger(0x1234567);
var g = long.Parse(Mint.CompactToBig(Mint.BigToCompact(big)).ToString());
list.Add(g);
list.Add(g - 1);
list.ForEach(num => {
bool isValid = IncTest(num);
Assert.IsTrue(isValid);
});
}
public void BigToCompactTest()
{
var set = new[] {
new uint[] { 8388608, 67141632 },
};
foreach (var i in set)
{
long data = (long)i[0];
var b0 = new BigInteger(data);
var c0 = Mint.BigToCompact(b0);
uint encoded = (uint)i[1];
bool isValid = c0 == encoded;
Assert.IsTrue(isValid);
}
}
public uint SetBitsWithDifficulty(float diff)
{
this.Bits = Mint.BigToCompact(Mint.DiffToTarget(diff));
return(this.Bits.Value);
}