gasPrice in the OVM_GasPriceOracle.sol contract, so the Sequencer can fetch the latest gasPrice and update the L2 gas over time..env file before running.OVM_GasPriceOracleOVM_GasPriceOracleyarn in the base directoryyarn buildyarn startrollup_gasPrices, which is composed of L1SecurityFee and L2GasPrice based on the following expression:L1SecurityFee changes gradually to reflect our service cost, primarily, the cost of writing state roots into L1, and the significant cost of relaying messages from L1 to L2 (e.g. deposits) and back from L2 to L1 (e.g. exits). Unlike other L2's, we include the cost of relaying messages in our gas limits, so you do not have to pay two different fees or have to worry about relaying your messages.overhead is the x% percentage of the average gas usage of the L1 txs that submitting the state and tx roots within last 1000 blocks. We adjust x based on our operation cost.