Method findFirstBlockWithTimeAndHeight

src/node/interfaces.cpp:504–509

        return FillBlock(m_node.chainman->m_blockman.LookupBlockIndex(hash), block, lock, active);
    }
    bool findFirstBlockWithTimeAndHeight(int64_t min_time, int min_height, const FoundBlock& block) override
    {
        WAIT_LOCK(cs_main, lock);
        const CChain& active = Assert(m_node.chainman)->ActiveChain();
        return FillBlock(active.FindEarliestAtLeast(min_time, min_height), block, lock, active);
    }
    bool findAncestorByHeight(const uint256& block_hash, int ancestor_height, const FoundBlock& ancestor_out) override
    {
        WAIT_LOCK(cs_main, lock);