  "mempoolminfee": 0.00000000

When the minrelaytxfee is > 0.

if (!fPruneMode)
        throw JSONRPCError(RPC_MISC_ERROR, "Cannot prune blocks because node is not in prune mode.");
    LOCK(cs_main);
    int heightParam = request.params[0].get_int();
    if (heightParam < 0)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Negative block height.");
    
    
    if (heightParam > 1000000000) {
        
        CBlockIndex* pindex = chainActive.FindEarliestAtLeast(heightParam - TIMESTAMP_WINDOW);
        if (!pindex) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Could not find block with at least the specified timestamp.");
        }
        heightParam = pindex->nHeight;
    }
    unsigned int height = (unsigned int) heightParam;
    unsigned int chainHeight = (unsigned int) chainActive.Height();
    if (chainHeight < Params().PruneAfterHeight())
        throw JSONRPCError(RPC_MISC_ERROR, "Blockchain is too short for pruning.");
    else if (height > chainHeight)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Blockchain is shorter than the attempted prune height.");
    else if (height > chainHeight - MIN_BLOCKS_TO_KEEP) {
        LogPrint(BCLog::RPC, "Attempt to prune blocks close to the tip.  Retaining the minimum number of blocks.");
        height = chainHeight - MIN_BLOCKS_TO_KEEP;
    }
    PruneBlockFilesManual(height);
    return uint64_t(height);
}
UniValue gettxoutsetinfo(const JSONRPCRequest& request)