Add ability to change the validator identity at runtime

core/src/test_validator.rs

@@ -1,7 +1,11 @@
 use {
     crate::validator::{Validator, ValidatorConfig, ValidatorStartProgress},
     solana_client::rpc_client::RpcClient,
-    solana_gossip::{cluster_info::Node, gossip_service::discover_cluster, socketaddr},
+    solana_gossip::{
+        cluster_info::{ClusterInfo, Node},
+        gossip_service::discover_cluster,
+        socketaddr,
+    },
     solana_ledger::{blockstore::create_new_ledger, create_new_tmp_ledger},
     solana_net_utils::PortRange,
     solana_rpc::rpc::JsonRpcConfig,
@@ -502,7 +506,7 @@ impl TestValidator {
 
         let validator = Some(Validator::new(
             node,
-            &Arc::new(validator_identity),
+            Arc::new(validator_identity),
             &ledger_path,
             &vote_account_address,
             config.authorized_voter_keypairs.clone(),
@@ -599,6 +603,10 @@ impl TestValidator {
             validator.join();
         }
     }
+
+    pub fn cluster_info(&self) -> Arc<ClusterInfo> {
+        self.validator.as_ref().unwrap().cluster_info.clone()
+    }
 }
 
 impl Drop for TestValidator {