Function update_env_block 

fn update_env_block<N: Network, SPEC: Into<SpecId> + Copy, BLOCK: FoundryBlock>(
    evm_env: &mut EvmEnv<SPEC, BLOCK>,
    block: &N::BlockResponse,
    source_chain_id: ChainId,
    networks: NetworkConfigs,
)

Updates the evm env’s block with the block’s data