The new `getrpcinfo` shows a list of the active commands and the duration each command has been running. This sounds like a good place to report a completion percentage for any command doing a blockchain rescan, to solve [this problem](https://bitcoin.stackexchange.com/q/83236/90721).
std::set<CInputCoin>& setCoinsRet, CAmount& nValueRet, const CoinSelectionParams& coin_selection_params, bool& bnb_used) const
{
    setCoinsRet.clear();
    nValueRet = 0;
    std::vector<OutputGroup> utxo_pool;
    if (coin_selection_params.use_bnb) {
        
        FeeCalculation feeCalc;
        CCoinControl temp;
        temp.m_confirm_target = 1008;
        CFeeRate long_term_feerate = GetMinimumFeeRate(*this, temp, &feeCalc);
        
        CAmount cost_of_change = GetDiscardRate(*this).GetFee(coin_selection_params.change_spend_size) + coin_selection_params.effective_fee.GetFee(coin_selection_params.change_output_size);
        
        for (OutputGroup& group : groups) {
            if (!group.EligibleForSpending(eligibility_filter)) continue;
            group.fee = 0;
            group.long_term_fee = 0;
            group.effective_value = 0;