Feature-gate stake program (#13394) (#13439)

* Add legacy stake-program handling

* Strip out duplicative legacy code

* Add feature for stake-program-fix

* Feature-deploy new stake program

* Expand comment

(cherry picked from commit 1b1d9f6b0c)

Co-authored-by: Tyera Eulberg <teulberg@gmail.com>

sdk/src/feature_set.rs

@@ -82,6 +82,10 @@ pub mod timestamp_bounding {
     solana_sdk::declare_id!("8FyEA6ABYiMxX7Az6AopQN3mavLD8Rz3N4bvKnbbBFFq");
 }
 
+pub mod stake_program_v2 {
+    solana_sdk::declare_id!("Gvd9gGJZDHGMNf1b3jkxrfBQSR5etrfTQSBNKCvLSFJN");
+}
+
 lazy_static! {
     /// Map of feature identifiers to user-visible description
     pub static ref FEATURE_NAMES: HashMap<Pubkey, &'static str> = [
@@ -104,6 +108,7 @@ lazy_static! {
         (pubkey_log_syscall_enabled::id(), "pubkey log syscall"),
         (pull_request_ping_pong_check::id(), "ping-pong packet check #12794"),
         (timestamp_bounding::id(), "add timestamp-correction bounding #13120"),
+        (stake_program_v2::id(), "solana_stake_program v2"),
         /*************** ADD NEW FEATURES HERE ***************/
     ]
     .iter()