Don't send message to Ethereum with zero rewards

chains/orchestrator-relays/runtime/dancelight/src/genesis_config_presets.rs

@@ -437,6 +437,7 @@ fn dancelight_testnet_genesis(
                     x.stash.clone()
                 })
                 .collect::<Vec<_>>(),
+            ..Default::default()
         },
     })
 }

chains/orchestrator-relays/runtime/dancelight/src/tests/common/mod.rs

@@ -18,8 +18,8 @@
 
 use {
     crate::{
-        BlockProductionCost, CollatorAssignmentCost, ExternalValidatorSlashes, MessageQueue,
-        RuntimeCall,
+        Authorship, BlockProductionCost, CollatorAssignmentCost, ExternalValidatorSlashes,
+        MessageQueue, RuntimeCall,
     },
     babe_primitives::{
         digests::{PreDigest, SecondaryPlainPreDigest},
@@ -250,6 +250,7 @@ pub fn start_block() -> RunSummary {
 
     // Initialize the new block
     Babe::on_initialize(System::block_number());
+    Authorship::on_initialize(System::block_number());
     ContainerRegistrar::on_initialize(System::block_number());
     ExternalValidatorSlashes::on_initialize(System::block_number());
     Session::on_initialize(System::block_number());
@@ -280,6 +281,7 @@ pub fn end_block() {
     advance_block_state_machine(RunBlockState::End(block_number));
     // Finalize the block
     Babe::on_finalize(System::block_number());
+    Authorship::on_finalize(System::block_number());
     Session::on_finalize(System::block_number());
     Grandpa::on_finalize(System::block_number());
     TransactionPayment::on_finalize(System::block_number());
@@ -335,6 +337,8 @@ pub struct ExtBuilder {
     balances: Vec<(AccountId, Balance)>,
     // [validator, amount]
     validators: Vec<(AccountId, Balance)>,
+    // [validator, amount]
+    external_validators: Vec<(AccountId, Balance)>,
     // [collator, amount]
     collators: Vec<(AccountId, Balance)>,
     // sudo key
@@ -362,6 +366,7 @@ impl Default for ExtBuilder {
                 (AccountId::from(ALICE), 210 * UNIT),
                 (AccountId::from(BOB), 100 * UNIT),
             ],
+            external_validators: vec![],
             collators: Default::default(),
             sudo: Default::default(),
             para_ids: Default::default(),
@@ -398,6 +403,11 @@ impl ExtBuilder {
         self
     }
 
+    pub fn with_external_validators(mut self, validators: Vec<(AccountId, Balance)>) -> Self {
+        self.external_validators = validators;
+        self
+    }
+
     pub fn with_collators(mut self, collators: Vec<(AccountId, Balance)>) -> Self {
         self.collators = collators;
         self
@@ -614,6 +624,32 @@ impl ExtBuilder {
             keys.extend(validator_keys)
         }
 
+        if !self.external_validators.is_empty() {
+            let validator_keys: Vec<_> = self
+                .external_validators
+                .clone()
+                .into_iter()
+                .map(|(account, _balance)| {
+                    let authority_keys =
+                        get_authority_keys_from_seed(&account.to_string(), self.keystore.as_ref());
+                    (
+                        account.clone(),
+                        account,
+                        crate::SessionKeys {
+                            babe: authority_keys.babe.clone(),
+                            grandpa: authority_keys.grandpa.clone(),
+                            para_validator: authority_keys.para_validator.clone(),
+                            para_assignment: authority_keys.para_assignment.clone(),
+                            authority_discovery: authority_keys.authority_discovery.clone(),
+                            beefy: authority_keys.beefy.clone(),
+                            nimbus: authority_keys.nimbus.clone(),
+                        },
+                    )
+                })
+                .collect();
+            keys.extend(validator_keys)
+        }
+
         if !self.collators.is_empty() {
             // We set invulnerables in pallet_invulnerables
             let invulnerables: Vec<AccountId> = self
@@ -674,6 +710,11 @@ impl ExtBuilder {
                 .iter()
                 .map(|(account, _)| account.clone())
                 .collect(),
+            external_validators: self
+                .external_validators
+                .iter()
+                .map(|(account, _)| account.clone())
+                .collect(),
         }
         .assimilate_storage(&mut t)
         .unwrap();

chains/orchestrator-relays/runtime/dancelight/src/tests/external_validators_tests.rs

@@ -713,6 +713,11 @@ fn external_validators_rewards_sends_message_on_era_end() {
             (AccountId::from(ALICE), 210_000 * UNIT),
             (AccountId::from(BOB), 100_000 * UNIT),
         ])
+        .with_validators(vec![])
+        .with_external_validators(vec![
+            (AccountId::from(ALICE), 210 * UNIT),
+            (AccountId::from(BOB), 100 * UNIT),
+        ])
         .build()
         .execute_with(|| {
             let token_location: VersionedLocation = Location::here().into();
@@ -829,18 +834,13 @@ fn external_validators_rewards_merkle_proofs() {
                 vec![AccountId::from(CHARLIE), AccountId::from(DAVE)]
             );
 
-            assert!(
-                pallet_external_validators_rewards::RewardPointsForEra::<Runtime>::iter().count()
-                    == 0
-            );
-
             // Reward all validators in era 1
             crate::RewardValidators::reward_backing(vec![ValidatorIndex(0)]);
             crate::RewardValidators::reward_backing(vec![ValidatorIndex(1)]);
 
-            assert!(
-                pallet_external_validators_rewards::RewardPointsForEra::<Runtime>::iter().count()
-                    == 1
+            assert_eq!(
+                pallet_external_validators_rewards::RewardPointsForEra::<Runtime>::iter().count(),
+                1
             );
 
             let (_era_index, era_rewards) =
@@ -1048,8 +1048,6 @@ fn external_validators_whitelisted_never_rewarded() {
 
 #[test]
 fn external_validators_rewards_test_command_integrity() {
-    use {crate::ValidatorIndex, runtime_parachains::inclusion::RewardValidators};
-
     ExtBuilder::default()
         .with_balances(vec![
             (AccountId::from(ALICE), 210_000 * UNIT),
@@ -1139,18 +1137,10 @@ fn external_validators_rewards_test_command_integrity() {
                 vec![AccountId::from(CHARLIE), AccountId::from(DAVE)]
             );
 
-            assert!(
-                pallet_external_validators_rewards::RewardPointsForEra::<Runtime>::iter().count()
-                    == 0
-            );
-
-            // Reward Alice and Bob in era 1
-            crate::RewardValidators::reward_backing(vec![ValidatorIndex(0)]);
-            crate::RewardValidators::reward_backing(vec![ValidatorIndex(1)]);
-
-            assert!(
-                pallet_external_validators_rewards::RewardPointsForEra::<Runtime>::iter().count()
-                    == 1
+            // Validators are automatically rewarded.
+            assert_eq!(
+                pallet_external_validators_rewards::RewardPointsForEra::<Runtime>::iter().count(),
+                1
             );
 
             let expected_inflation =
@@ -1180,10 +1170,16 @@ fn external_validators_rewards_test_command_integrity() {
                 .count();
 
             let rewards_utils = ExternalValidatorsRewards::generate_era_rewards_utils(1, None);
+
+            let blocks_per_session: u128 = Babe::current_epoch().duration.into();
+            let points_per_block = 20;
+            let expected_total_points =
+                (sessions_per_era as u128) * blocks_per_session * points_per_block;
+
             let expected_rewards_command = Command::ReportRewards {
                 external_idx: 1u64,
                 era_index: 1u32,
-                total_points: 40u128,
+                total_points: expected_total_points,
                 tokens_inflated: expected_inflation,
                 rewards_merkle_root: rewards_utils.unwrap().rewards_merkle_root,
                 token_id,
@@ -1209,6 +1205,15 @@ fn external_validators_rewards_are_minted_in_sovereign_account() {
             (AccountId::from(ALICE), 210_000 * UNIT),
             (AccountId::from(BOB), 100_000 * UNIT),
         ])
+        .with_validators(
+            vec![]
+        )
+        .with_external_validators(
+            vec![
+                (AccountId::from(ALICE), 210 * UNIT),
+                (AccountId::from(BOB), 100 * UNIT),
+            ]
+        )
         .build()
         .execute_with(|| {
             let token_location: VersionedLocation = Location::here()

chains/orchestrator-relays/runtime/dancelight/src/tests/inbound_queue_tests/integration_tests.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Tanssi.  If not, see <http://www.gnu.org/licenses/>
 
-use crate::tests::common::{mock_snowbridge_message_proof, ExtBuilder};
+use crate::tests::common::{mock_snowbridge_message_proof, ExtBuilder, ALICE, BOB, UNIT};
 use crate::{AccountId, EthereumInboundQueue, ExternalValidators, Runtime};
 use alloy_sol_types::SolEvent;
 use frame_system::pallet_prelude::OriginFor;
@@ -33,7 +33,16 @@ use tp_bridge::symbiotic_message_processor::{
 
 #[test]
 fn test_inbound_queue_message_passing() {
-    ExtBuilder::default().build().execute_with(|| {
+    ExtBuilder::default()
+    .with_validators(
+        vec![]
+    )
+    .with_external_validators(
+        vec![
+            (AccountId::from(ALICE), 210 * UNIT),
+            (AccountId::from(BOB), 100 * UNIT),
+        ]
+    ).build().execute_with(|| {
         let current_nonce = 1;
 
         snowbridge_pallet_system::Channels::<Runtime>::set(PRIMARY_GOVERNANCE_CHANNEL, Some(Channel {
@@ -59,8 +68,6 @@ fn test_inbound_queue_message_passing() {
             proof: dummy_proof.clone(),
         }), Err(DispatchError::Other("No handler for message found")));
 
-        assert_eq!(ExternalValidators::validators(), ExternalValidators::whitelisted_validators());
-
         let payload_validators = vec![
             AccountKeyring::Charlie.to_account_id(),
             AccountKeyring::Ferdie.to_account_id(),
@@ -91,7 +98,6 @@ fn test_inbound_queue_message_passing() {
             proof: dummy_proof.clone(),
         }), Ok(()));
 
-
         let expected_validators = [ExternalValidators::whitelisted_validators(), payload_validators].concat();
         assert_eq!(ExternalValidators::validators(), expected_validators);
     });

chains/orchestrator-relays/runtime/dancelight/src/tests/slashes.rs

@@ -407,6 +407,11 @@ fn test_slashes_are_sent_to_ethereum() {
             (AccountId::from(CHARLIE), 100_000 * UNIT),
             (AccountId::from(DAVE), 100_000 * UNIT),
         ])
+        .with_validators(vec![])
+        .with_external_validators(vec![
+            (AccountId::from(ALICE), 210 * UNIT),
+            (AccountId::from(BOB), 100 * UNIT),
+        ])
         .build()
         .execute_with(|| {
             let token_location: VersionedLocation = Location::here().into();
@@ -422,10 +427,6 @@ fn test_slashes_are_sent_to_ethereum() {
             ));
 
             run_to_block(2);
-            assert_ok!(ExternalValidators::remove_whitelisted(
-                RuntimeOrigin::root(),
-                AccountId::from(ALICE)
-            ));
 
             inject_babe_slash(&AccountId::from(ALICE).to_string());
 
@@ -552,6 +553,15 @@ fn test_slashes_are_sent_to_ethereum_accumulatedly() {
             (AccountId::from(CHARLIE), 100_000 * UNIT),
             (AccountId::from(DAVE), 100_000 * UNIT),
         ])
+        .with_validators(
+            vec![]
+        )
+        .with_external_validators(
+            vec![
+                (AccountId::from(ALICE), 210 * UNIT),
+                (AccountId::from(BOB), 100 * UNIT),
+            ]
+        )
         .build()
         .execute_with(|| {
             let token_location: VersionedLocation = Location::here()
@@ -683,6 +693,15 @@ fn test_slashes_are_sent_to_ethereum_accumulate_until_next_era() {
             (AccountId::from(CHARLIE), 100_000 * UNIT),
             (AccountId::from(DAVE), 100_000 * UNIT),
         ])
+        .with_validators(
+            vec![]
+        )
+        .with_external_validators(
+            vec![
+                (AccountId::from(ALICE), 210 * UNIT),
+                (AccountId::from(BOB), 100 * UNIT),
+            ]
+        )
         .build()
         .execute_with(|| {
             let token_location: VersionedLocation = Location::here()