let go fees (#1867)

polkadot/node/collation-generation/src/lib.rs

@@ -272,7 +272,6 @@ async fn handle_new_activations<Context: SubsystemContext>(
 				};
 
 				let commitments = CandidateCommitments {
-					fees: collation.fees,
 					upward_messages: collation.upward_messages,
 					new_validation_code: collation.new_validation_code,
 					head_data: collation.head_data,
@@ -381,7 +380,6 @@ mod tests {
 
 		fn test_collation() -> Collation {
 			Collation {
-				fees: Default::default(),
 				upward_messages: Default::default(),
 				new_validation_code: Default::default(),
 				head_data: Default::default(),

polkadot/node/core/backing/src/lib.rs

@@ -677,7 +677,6 @@ impl CandidateBackingJob {
 		let erasure_root = branches.root();
 
 		let commitments = CandidateCommitments {
-			fees: outputs.fees,
 			upward_messages: outputs.upward_messages,
 			erasure_root,
 			new_validation_code: outputs.new_validation_code,
@@ -1160,7 +1159,6 @@ mod tests {
 						ValidationResult::Valid(ValidationOutputs {
 							head_data: expected_head_data.clone(),
 							upward_messages: Vec::new(),
-							fees: Default::default(),
 							new_validation_code: None,
 							processed_downward_messages: 0,
 						}, test_state.validation_data.persisted),
@@ -1280,7 +1278,6 @@ mod tests {
 						ValidationResult::Valid(ValidationOutputs {
 							head_data: expected_head_data.clone(),
 							upward_messages: Vec::new(),
-							fees: Default::default(),
 							new_validation_code: None,
 							processed_downward_messages: 0,
 						}, test_state.validation_data.persisted),
@@ -1419,7 +1416,6 @@ mod tests {
 						ValidationResult::Valid(ValidationOutputs {
 							head_data: expected_head_data.clone(),
 							upward_messages: Vec::new(),
-							fees: Default::default(),
 							new_validation_code: None,
 							processed_downward_messages: 0,
 						}, test_state.validation_data.persisted),
@@ -1575,7 +1571,6 @@ mod tests {
 						ValidationResult::Valid(ValidationOutputs {
 							head_data: expected_head_data.clone(),
 							upward_messages: Vec::new(),
-							fees: Default::default(),
 							new_validation_code: None,
 							processed_downward_messages: 0,
 						}, test_state.validation_data.persisted),

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

@@ -492,7 +492,6 @@ mod tests {
 			ValidationOutputs {
 				head_data: HeadData(head_data),
 				upward_messages: Vec::new(),
-				fees: 0,
 				new_validation_code: None,
 				processed_downward_messages: 0,
 			},

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

@@ -490,7 +490,6 @@ fn validate_candidate_exhaustive<B: ValidationBackend, S: SpawnNamed + 'static>(
 			let outputs = ValidationOutputs {
 				head_data: res.head_data,
 				upward_messages: res.upward_messages,
-				fees: 0,
 				new_validation_code: res.new_validation_code,
 				processed_downward_messages: res.processed_downward_messages,
 			};
@@ -850,7 +849,6 @@ mod tests {
 		assert_matches!(v, ValidationResult::Valid(outputs, used_validation_data) => {
 			assert_eq!(outputs.head_data, HeadData(vec![1, 1, 1]));
 			assert_eq!(outputs.upward_messages, Vec::new());
-			assert_eq!(outputs.fees, 0);
 			assert_eq!(outputs.new_validation_code, Some(vec![2, 2, 2].into()));
 			assert_eq!(used_validation_data, validation_data);
 		});

polkadot/node/primitives/src/lib.rs

@@ -27,7 +27,7 @@ use parity_scale_codec::{Decode, Encode};
 use polkadot_primitives::v1::{
 	Hash, CommittedCandidateReceipt, CandidateReceipt, CompactStatement,
 	EncodeAs, Signed, SigningContext, ValidatorIndex, ValidatorId,
-	UpwardMessage, Balance, ValidationCode, PersistedValidationData, ValidationData,
+	UpwardMessage, ValidationCode, PersistedValidationData, ValidationData,
 	HeadData, PoV, CollatorPair, Id as ParaId, ValidationOutputs,
 };
 use polkadot_statement_table::{
@@ -253,8 +253,6 @@ impl std::convert::TryFrom<FromTableMisbehavior> for MisbehaviorReport {
 /// - contains a proof of validity.
 #[derive(Clone, Encode, Decode)]
 pub struct Collation {
-	/// Fees paid from the chain to the relay chain validators.
-	pub fees: Balance,
 	/// Messages destined to be interpreted by the Relay chain itself.
 	pub upward_messages: Vec<UpwardMessage>,
 	/// New validation code.

polkadot/primitives/src/v1.rs

@@ -318,8 +318,6 @@ pub struct ValidationOutputs {
 	pub head_data: HeadData,
 	/// Upward messages to the relay chain.
 	pub upward_messages: Vec<UpwardMessage>,
-	/// Fees paid to the validators of the relay-chain.
-	pub fees: Balance,
 	/// The new validation code submitted by the execution, if any.
 	pub new_validation_code: Option<ValidationCode>,
 	/// The number of messages processed from the DMQ.
@@ -330,8 +328,6 @@ pub struct ValidationOutputs {
 #[derive(PartialEq, Eq, Clone, Encode, Decode)]
 #[cfg_attr(feature = "std", derive(Debug, Default, Hash))]
 pub struct CandidateCommitments {
-	/// Fees paid from the chain to the relay chain validators.
-	pub fees: Balance,
 	/// Messages destined to be interpreted by the Relay chain itself.
 	pub upward_messages: Vec<UpwardMessage>,
 	/// The root of a block's erasure encoding Merkle tree.

polkadot/roadmap/implementers-guide/src/node/collators/collation-generation.md

@@ -22,8 +22,6 @@ The process of generating a collation for a parachain is very parachain-specific
 
 ```rust
 pub struct Collation {
-  /// Fees paid from the chain to the relay chain validators.
-  pub fees: Balance,
   /// Messages destined to be interpreted by the Relay chain itself.
   pub upward_messages: Vec<UpwardMessage>,
   /// New validation code.

polkadot/roadmap/implementers-guide/src/types/candidate.md

@@ -247,8 +247,6 @@ The execution and validation of parachain or parathread candidates produces a nu
 #[derive(PartialEq, Eq, Clone, Encode, Decode)]
 #[cfg_attr(feature = "std", derive(Debug, Default))]
 struct CandidateCommitments {
-	/// Fees paid from the chain to the relay chain validators.
-	fees: Balance,
 	/// Messages directed to other paras routed via the relay chain.
 	horizontal_messages: Vec<OutboundHrmpMessage>,
 	/// Messages destined to be interpreted by the Relay chain itself.
@@ -293,8 +291,6 @@ struct ValidationOutputs {
 	horizontal_messages: Vec<OutboundHrmpMessage>,
 	/// Upwards messages to the relay chain.
 	upwards_messages: Vec<UpwardsMessage>,
-	/// Fees paid to the validators of the relay-chain.
-	fees: Balance,
 	/// The new validation code submitted by the execution, if any.
 	new_validation_code: Option<ValidationCode>,
 	/// The number of messages processed from the DMQ.