apollo_consensus_orchestrator: add validators_ids to ContextConfig

config/papyrus/default_config.json

@@ -214,6 +214,16 @@
     "privacy": "Public",
     "value": 10000
   },
+  "context.validator_ids": {
+    "description": "Optional explicit set of validator IDs.",
+    "privacy": "Public",
+    "value": []
+  },
+  "context.validator_ids.#is_none": {
+    "description": "Flag for an optional field.",
+    "privacy": "TemporaryValue",
+    "value": true
+  },
   "monitoring_gateway.collect_metrics": {
     "description": "If true, collect and return metrics in the monitoring gateway.",
     "pointer_target": "collect_metrics",

crates/apollo_consensus_orchestrator/src/sequencer_consensus_context.rs

@@ -188,13 +188,16 @@ impl SequencerConsensusContext {
         } else {
             L1DataAvailabilityMode::Calldata
         };
+        let validators = if let Some(ids) = config.validator_ids.clone() {
+            ids.into_iter().collect()
+        } else {
+            (0..num_validators).map(|i| ValidatorId::from(DEFAULT_VALIDATOR_ID + i)).collect()
+        };
         Self {
             config,
             deps,
             // TODO(Matan): Set the actual validator IDs (contract addresses).
-            validators: (0..num_validators)
-                .map(|i| ValidatorId::from(DEFAULT_VALIDATOR_ID + i))
-                .collect(),
+            validators,
             valid_proposals: Arc::new(Mutex::new(BuiltProposals::new())),
             proposal_id: 0,
             current_height: None,

crates/apollo_consensus_orchestrator_config/src/config.rs

@@ -93,6 +93,9 @@ pub struct ContextConfig {
     pub proposal_buffer_size: usize,
     /// The number of validators.
     pub num_validators: u64,
+    /// Optional explicit set of validator IDs (contract addresses) to use.
+    /// If provided, this overrides `num_validators`.
+    pub validator_ids: Option<Vec<ContractAddress>>,
     /// The chain id of the Starknet chain.
     pub chain_id: ChainId,
     /// Maximum allowed deviation (seconds) of a proposed block's timestamp from the current time.
@@ -132,7 +135,7 @@ pub struct ContextConfig {
 
 impl SerializeConfig for ContextConfig {
     fn dump(&self) -> BTreeMap<ParamPath, SerializedParam> {
-        BTreeMap::from_iter([
+        let mut config = BTreeMap::from_iter([
             ser_param(
                 "proposal_buffer_size",
                 &self.proposal_buffer_size,
@@ -227,7 +230,15 @@ impl SerializeConfig for ContextConfig {
                 "If true, sets STRK gas price to its minimum price from the versioned constants.",
                 ParamPrivacyInput::Public,
             ),
-        ])
+        ]);
+        config.extend(ser_optional_param(
+            &self.validator_ids,
+            Default::default(),
+            "validator_ids",
+            "Optional explicit set of validator IDs.",
+            ParamPrivacyInput::Public,
+        ));
+        config
     }
 }
 
@@ -236,6 +247,7 @@ impl Default for ContextConfig {
         Self {
             proposal_buffer_size: 100,
             num_validators: 1,
+            validator_ids: None,
             chain_id: ChainId::Mainnet,
             block_timestamp_window_seconds: 1,
             l1_da_mode: true,

crates/apollo_deployments/resources/app_configs/consensus_manager_config.json

@@ -26,6 +26,7 @@
   "consensus_manager_config.context_config.max_l1_gas_price_wei": 1000000000000,
   "consensus_manager_config.context_config.min_l1_data_gas_price_wei": 1,
   "consensus_manager_config.context_config.max_l1_data_gas_price_wei": 1000000000000,
+  "consensus_manager_config.context_config.validator_ids.#is_none": true,
   "consensus_manager_config.immediate_active_height": 1,
   "consensus_manager_config.assume_no_malicious_validators": true,
   "consensus_manager_config.network_config.broadcasted_message_metadata_buffer_size": 100000,

crates/apollo_node/resources/config_schema.json

@@ -1629,6 +1629,16 @@
     "privacy": "Public",
     "value": 10000
   },
+  "consensus_manager_config.context_config.validator_ids": {
+    "description": "Optional explicit set of validator IDs.",
+    "privacy": "Public",
+    "value": []
+  },
+  "consensus_manager_config.context_config.validator_ids.#is_none": {
+    "description": "Flag for an optional field.",
+    "privacy": "TemporaryValue",
+    "value": true
+  },
   "consensus_manager_config.immediate_active_height": {
     "description": "The height at which the node may actively participate in consensus.",
     "privacy": "Public",

crates/papyrus_node/src/config/snapshots/papyrus_node__config__config_test__dump_default_config.snap

@@ -264,6 +264,16 @@ expression: dumped_default_config
     },
     "privacy": "Public"
   },
+  "context.validator_ids": {
+    "description": "Optional explicit set of validator IDs.",
+    "value": [],
+    "privacy": "Public"
+  },
+  "context.validator_ids.#is_none": {
+    "description": "Flag for an optional field.",
+    "value": true,
+    "privacy": "TemporaryValue"
+  },
   "monitoring_gateway.collect_metrics": {
     "description": "If true, collect and return metrics in the monitoring gateway.",
     "value": false,