public static bool CheckHash(byte[] data, int hardness, uint nonce)
{
Pack p = new Pack(data, nonce);
uint hash = FNVHash.Hash_1a_32(Util.ObjectToByteArray(p));
return(hash < 1 << (32 - hardness));
}
public static uint CrunchHash(byte[] data, int hardness, Action <uint, uint> cb = null)
{
if (hardness < 0 || hardness > 31)
{
throw new Exception("Hardness must be between 0 and 31");
}
//give cb a dummy value, so we're not calling an if-statement every loop
if (cb == null)
{
cb = (uint h, uint n) => {};
}
Pack p = new Pack(data);
uint hash;
do
{
hash = FNVHash.Hash_1a_32(Util.ObjectToByteArray(p));
cb(hash, p.nonce);
} while((hash >= 1 << (32 - hardness)) && ++p.nonce != 0);
return(p.nonce);
}
