Function RewindBlockIndex

src/validation.cpp:4508–4525

}

bool RewindBlockIndex(const CChainParams& params) {
    if (!g_chainstate.RewindBlockIndex(params)) {
        return false;
    }

    if (chainActive.Tip() != nullptr) {
        // FlushStateToDisk can possibly read chainActive. Be conservative
        // and skip it here, we're about to -reindex-chainstate anyway, so
        // it'll get called a bunch real soon.
        CValidationState state;
        if (!FlushStateToDisk(params, state, FlushStateMode::ALWAYS)) {
            LogPrintf("RewindBlockIndex: unable to flush state to disk (%s)\n", FormatStateMessage(state));
            return false;
        }
    }

    return true;
}

void CChainState::UnloadBlockIndex() {
    nBlockSequenceId = 1;