solana catchup now detects when you try to catchup to yourself (#8635)

automerge

client/src/rpc_response.rs

@@ -241,6 +241,13 @@ pub struct RpcVersionInfo {
     pub solana_core: String,
 }
 
+#[derive(Serialize, Deserialize, Clone, Debug)]
+#[serde(rename_all = "kebab-case")]
+pub struct RpcIdentity {
+    /// The current node identity pubkey
+    pub identity: String,
+}
+
 #[derive(Serialize, Deserialize, Clone, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct RpcVoteAccountStatus {