highperfocused/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2026-03-04 12:09:26 +01:00
Code Issues Packages Projects Releases Wiki Activity

refactor: Compute work from headers without CBlockIndex

Browse Source 
Avoid the need to construct a CBlockIndex object just to compute work for a header,
when its nBits value suffices for that.

Co-Authored-By: Pieter Wuille <pieter@wuille.net>
This commit is contained in:
Daniela Brozzoni
2025-08-18 11:46:04 +02:00
parent 0bf6139e19
commit 4066bfe561
5 changed files with 16 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/chain.cpp
View File

@@ -124,12 +124,12 @@ void CBlockIndex::BuildSkip()
pskip = pprev->GetAncestor(GetSkipHeight(nHeight));
}
arith_uint256 GetBlockProof(const CBlockIndex& block)
arith_uint256 GetBitsProof(uint32_t bits)
{
arith_uint256 bnTarget;
bool fNegative;
bool fOverflow;
bnTarget.SetCompact(block.nBits, &fNegative, &fOverflow);
bnTarget.SetCompact(bits, &fNegative, &fOverflow);
if (fNegative || fOverflow || bnTarget == 0)
return 0;
// We need to compute 2**256 / (bnTarget+1), but we can't represent 2**256