Simple cap by including sysvars and native programs (#13884) (#14110)

* Simpler cap by including sysvars and native programs

* Fix tests

* Add comment

* revert some unrelated code

* Update test_bank_update_sysvar_account for cap.

* Test cap. for add_native_program using new helper

* Improve the cap adjustment with new tests

* Fix typo...

* Adjust test for improved code coverage

* Rename simpler_capitalization => simple_capitalization

* More rename and bonus commenting

(cherry picked from commit de9ac43ebf)

Co-authored-by: Ryo Onodera <ryoqun@gmail.com>

sdk/src/feature_set.rs

@@ -98,6 +98,10 @@ pub mod filter_stake_delegation_accounts {
     solana_sdk::declare_id!("GE7fRxmW46K6EmCD9AMZSbnaJ2e3LfqCZzdHi9hmYAgi");
 }
 
+pub mod simple_capitalization {
+    solana_sdk::declare_id!("9r69RnnxABmpcPFfj1yhg4n9YFR2MNaLdKJCC6v3Speb");
+}
+
 lazy_static! {
     /// Map of feature identifiers to user-visible description
     pub static ref FEATURE_NAMES: HashMap<Pubkey, &'static str> = [
@@ -124,6 +128,7 @@ lazy_static! {
         (stake_program_v2::id(), "solana_stake_program v2"),
         (rewrite_stake::id(), "rewrite stake"),
         (filter_stake_delegation_accounts::id(), "filter stake_delegation_accounts #14062"),
+        (simple_capitalization::id(), "simple capitalization"),
         /*************** ADD NEW FEATURES HERE ***************/
     ]
     .iter()

sdk/src/genesis_config.rs

@@ -149,6 +149,11 @@ impl GenesisConfig {
         hash(&serialized)
     }
 
+    pub fn disable_cap_altering_features_for_preciseness(&mut self) {
+        self.accounts
+            .remove(&crate::feature_set::simple_capitalization::id());
+    }
+
     fn genesis_filename(ledger_path: &Path) -> PathBuf {
         Path::new(ledger_path).join("genesis.bin")
     }