Function UpdateBlockAvailability

src/main.cpp:463–479

Update tracking information about which blocks a peer is assumed to have. */

/** Update tracking information about which blocks a peer is assumed to have. */
void UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) {
    AssertLockHeld(cs_main);
    NodeStatePtr state(nodeid);
    assert(!state.IsNull());

    ProcessBlockAvailability(state);

    BlockMap::iterator it = mapBlockIndex.find(hash);
    if (it != mapBlockIndex.end() && it->second->nChainWork > 0) {
        // An actually better block was announced.
        if (state->pindexBestKnownBlock == NULL || it->second->nChainWork >= state->pindexBestKnownBlock->nChainWork)
            state->pindexBestKnownBlock = it->second;
    } else {
        // An unknown block was announced; just assume that the latest one is the best one.
        state->hashLastUnknownBlock = hash;
    }
}

void OnBlockFinished::operator()(const CBlock& block, const std::vector<NodeId>& ids) {
    AssertLockHeld(cs_main);