Pass relay_storage_root into ValidationParams (#2245)

Prior this commit, a PVF wasn't able to access this property.

polkadot/node/core/candidate-validation/src/lib.rs

@@ -439,6 +439,7 @@ fn validate_candidate_exhaustive<B: ValidationBackend, S: SpawnNamed + 'static>(
 		parent_head: persisted_validation_data.parent_head.clone(),
 		block_data: pov.block_data.clone(),
 		relay_chain_height: persisted_validation_data.block_number,
+		relay_storage_root: persisted_validation_data.relay_storage_root,
 		dmq_mqc_head: persisted_validation_data.dmq_mqc_head,
 		hrmp_mqc_heads: persisted_validation_data.hrmp_mqc_heads.clone(),
 	};

polkadot/parachain/src/primitives.rs

@@ -254,6 +254,8 @@ pub struct ValidationParams {
 	pub block_data: BlockData,
 	/// The current relay-chain block number.
 	pub relay_chain_height: RelayChainBlockNumber,
+	/// The relay-chain block's storage root.
+	pub relay_storage_root: Hash,
 	/// The MQC head for the DMQ.
 	///
 	/// The DMQ MQC head will be used by the validation function to authorize the downward messages

polkadot/parachain/test-parachains/adder/collator/src/lib.rs

@@ -234,6 +234,7 @@ mod tests {
 				parent_head: parent_head.encode().into(),
 				block_data: collation.proof_of_validity.block_data,
 				relay_chain_height: 1,
+				relay_storage_root: Default::default(),
 				hrmp_mqc_heads: Vec::new(),
 				dmq_mqc_head: Default::default(),
 			},

polkadot/parachain/test-parachains/tests/adder/mod.rs

@@ -68,6 +68,7 @@ fn execute_good_on_parent(isolation_strategy: IsolationStrategy) {
 			parent_head: GenericHeadData(parent_head.encode()),
 			block_data: GenericBlockData(block_data.encode()),
 			relay_chain_height: 1,
+			relay_storage_root: Default::default(),
 			hrmp_mqc_heads: Vec::new(),
 			dmq_mqc_head: Default::default(),
 		},
@@ -107,6 +108,7 @@ fn execute_good_chain_on_parent() {
 				parent_head: GenericHeadData(parent_head.encode()),
 				block_data: GenericBlockData(block_data.encode()),
 				relay_chain_height: number as RelayChainBlockNumber + 1,
+				relay_storage_root: Default::default(),
 				hrmp_mqc_heads: Vec::new(),
 				dmq_mqc_head: Default::default(),
 			},
@@ -147,6 +149,7 @@ fn execute_bad_on_parent() {
 			parent_head: GenericHeadData(parent_head.encode()),
 			block_data: GenericBlockData(block_data.encode()),
 			relay_chain_height: 1,
+			relay_storage_root: Default::default(),
 			hrmp_mqc_heads: Vec::new(),
 			dmq_mqc_head: Default::default(),
 		},

polkadot/parachain/test-parachains/tests/wasm_executor/mod.rs

@@ -42,6 +42,7 @@ fn terminates_on_timeout() {
 			block_data: BlockData(Vec::new()),
 			parent_head: Default::default(),
 			relay_chain_height: 1,
+			relay_storage_root: Default::default(),
 			hrmp_mqc_heads: Vec::new(),
 			dmq_mqc_head: Default::default(),
 		},
@@ -70,6 +71,7 @@ fn parallel_execution() {
 			block_data: BlockData(Vec::new()),
 			parent_head: Default::default(),
 			relay_chain_height: 1,
+			relay_storage_root: Default::default(),
 			hrmp_mqc_heads: Vec::new(),
 			dmq_mqc_head: Default::default(),
 		},
@@ -81,6 +83,7 @@ fn parallel_execution() {
 		ValidationParams {
 			block_data: BlockData(Vec::new()),
 			parent_head: Default::default(),
+			relay_storage_root: Default::default(),
 			relay_chain_height: 1,
 			hrmp_mqc_heads: Vec::new(),
 			dmq_mqc_head: Default::default(),