Constant MAX_RLP_BLOCK_SIZE 

pub const MAX_RLP_BLOCK_SIZE: usize = 8_388_608; // 8_388_608usize

The maximum RLP length of a block, defined in EIP-7934.

Calculated as MAX_BLOCK_SIZE - SAFETY_MARGIN where MAX_BLOCK_SIZE = 10_485_760 SAFETY_MARGIN = 2_097_152