CalcBaseFee takes the previous header and the timestamp of its child block and calculates the expected base fee as well as the encoding of the past pricing information for the child block.

EstiamteNextBaseFee attempts to estimate the next base fee based on a block with [parent] being built at [timestamp].

MinRequiredTip is the estimated minimum tip a transaction would have needed to pay to be included in a given block (assuming it paid a tip proportional to its gas usage).

Skip block fee verification.

Skip over header verification.