Verify prev block root in the executor and not only in the importer

[rymnc]

fuel-core/crates/services/consensus_module/src/block_verifier.rs

Lines 52 to 73 in 926b50b

	pub fn verify_block_fields(
	&self,
	consensus: &Consensus,
	block: &Block,
	) -> anyhow::Result<()> {
	match consensus {
	Consensus::Genesis(_) => {
	let expected_genesis_height = self.config.block_height;
	let expected_genesis_da_height = self.config.da_block_height;
	verify_genesis_block_fields(
	expected_genesis_height,
	expected_genesis_da_height,
	block.header(),
	)
	}
	Consensus::PoA(_) => {
	let view = self.view_provider.latest_view()?;
	fuel_core_poa::verifier::verify_block_fields(&view, block)
	}
	_ => Err(anyhow::anyhow!("Unsupported consensus: {:?}", consensus)),
	}
	}

defines the verify_block_fields function that is ran whenever a block is imported by a validator/node. We want to include this verification in the executor as well.