pub(crate) fn base_fee_to_gas_per_pubdata(l1_gas_price: u64, base_fee: u64) -> u64 {
    let eth_price_per_pubdata_byte = eth_price_per_pubdata_byte(l1_gas_price);
    if eth_price_per_pubdata_byte == 0 {
        0
    } else {
        eth_price_per_pubdata_byte.div_ceil(base_fee)
    }
}
Calculates the amount of gas required to publish one byte of pubdata
core/lib/multivm/src/versions/vm_virtual_blocks/utils/fee.rs