pub fn matches_filter(&self, filter: &L2TxFilter) -> bool {
        self.fee_data.max_fee_per_gas >= U256::from(filter.fee_per_gas)
            && self.fee_data.gas_per_pubdata_limit >= U256::from(filter.gas_per_pubdata)
    }
Checks whether transaction matches requirements provided by state keeper.
core/lib/mempool/src/types.rs