Method findLocatorFork

src/node/interfaces.cpp:489–497

        return active.GetLocator();
    }
    std::optional<int> findLocatorFork(const CBlockLocator& locator) override
    {
        LOCK(cs_main);
        const CChainState& active = Assert(m_node.chainman)->ActiveChainstate();
        if (CBlockIndex* fork = active.FindForkInGlobalIndex(locator)) {
            return fork->nHeight;
        }
        return std::nullopt;
    }
    bool findBlock(const uint256& hash, const FoundBlock& block) override
    {
        WAIT_LOCK(cs_main, lock);