fix(operator): dummy operator (#174)

README.md

@@ -114,20 +114,6 @@ Example response:
 }
 ```
 
-### Range of blocks stored in the `VectorX` contract
-
-Querying for the range of blocks stored in the VectorX contract deployed on Sepolia (chain ID: 11155111) at address 0x169e50f09A50F3509777cEf63EC59Eeb2aAcd201.
-
-```
-https://beaconapi.succinct.xyz/api/integrations/vectorx/range?contractChainId=11155111&contractAddress=0x169e50f09A50F3509777cEf63EC59Eeb2aAcd201
-```
-
-Example response:
-
-```json
-{ "data": { "rangeStart": 444840, "rangeEnd": 448140 } }
-```
-
 ### Health of the `VectorX` contract
 
 Querying for the health of the VectorX contract deployed on Sepolia (chain ID: 11155111) at address 0x169e50f09A50F3509777cEf63EC59Eeb2aAcd201.

bin/vectorx.rs

@@ -29,6 +29,7 @@ struct VectorXOperator {
     contract: VectorX<Provider<Http>>,
     client: SuccinctClient,
     data_fetcher: RpcDataFetcher,
+    is_dummy_operator: bool,
 }
 
 #[derive(Debug)]
@@ -72,11 +73,18 @@ impl VectorXOperator {
         let succinct_api_key = env::var("SUCCINCT_API_KEY").expect("SUCCINCT_API_KEY must be set");
         let client = SuccinctClient::new(succinct_rpc_url, succinct_api_key, false, false);
 
+        // is_dummy_operator defaults to false.
+        let is_dummy_operator = env::var("IS_DUMMY_OPERATOR")
+            .unwrap_or("false".to_string())
+            .parse::<bool>()
+            .unwrap();
+
         Self {
             config,
             contract,
             client,
             data_fetcher,
+            is_dummy_operator,
         }
     }
 
@@ -406,6 +414,11 @@ impl VectorXOperator {
             return None;
         }
 
+        // If dummy operator, return the block to step to.
+        if self.is_dummy_operator {
+            return Some(block_to_step_to);
+        }
+
         // Check that block_to_step_to has a valid justification. If not, iterate up until the maximum_vectorx_target_block
         // to find a valid justification. If we're unable to find a justification, something has gone
         // deeply wrong with the jusitification indexer.

circuits/input/mod.rs

@@ -992,6 +992,14 @@ mod tests {
         // assert_eq!(headers.len(), 181);
     }
 
+    #[tokio::test]
+    #[cfg_attr(feature = "ci", ignore)]
+    async fn test_get_block_hash() {
+        let fetcher = RpcDataFetcher::new().await;
+        let block_hash = fetcher.get_block_hash(70440).await;
+        println!("block hash {:?}", hex::encode(block_hash.0));
+    }
+
     #[tokio::test]
     #[cfg_attr(feature = "ci", ignore)]
     async fn test_get_header_hash() {