Method FindFork

src/chain.cpp:53–62

}

const CBlockIndex *CChain::FindFork(const CBlockIndex *pindex) const {
    if (!pindex)
        return nullptr;

    if (pindex->nHeight > Height())
        pindex = pindex->GetAncestor(Height());
    while (pindex && !Contains(pindex))
        pindex = pindex->pprev;
    return pindex;
}

/** Turn the lowest '1' bit in the binary representation of a number into a '0'. */
int static inline InvertLowestOne(int n) { return n & (n - 1); }