Claudio on Nostr: This might be the most important piece of code in the history of Programming: ``` /* ...

This might be the most important piece of code in the history of Programming:

```
/* Calculate the difficulty for a given block index.
*/
double GetDifficulty(const CBlockIndex& blockindex)
{
int nShift = (blockindex.nBits >> 24) & 0xff;
double dDiff =
(double)0x0000ffff / (double)(blockindex.nBits & 0x00ffffff);

while (nShift < 29)
{
dDiff *= 256.0;
nShift++;
}
while (nShift > 29)
{
dDiff /= 256.0;
nShift--;
}

return dDiff;
}
```

#Bitcoin