Function BlockGetMerkleBranch

src/test/merkle_tests.cpp:158–170

Older version of the merkle branch computation code, for comparison.

// Older version of the merkle branch computation code, for comparison.
static std::vector<uint256> BlockGetMerkleBranch(const CBlock& block, const std::vector<uint256>& vMerkleTree, int nIndex)
{
    std::vector<uint256> vMerkleBranch;
    int j = 0;
    for (int nSize = block.vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
    {
        int i = std::min(nIndex^1, nSize-1);
        vMerkleBranch.push_back(vMerkleTree[j+i]);
        nIndex >>= 1;
        j += nSize;
    }
    return vMerkleBranch;
}

static inline int ctz(uint32_t i) {
    if (i == 0) return 0;