Remove legacy_system_instruction_processor0

runtime/src/bank.rs

@@ -3127,7 +3127,6 @@ mod tests {
     use super::*;
     use crate::{
         accounts_index::{AccountMap, Ancestors},
-        builtin_programs::new_system_program_activation_epoch,
         genesis_utils::{
             create_genesis_config_with_leader, GenesisConfigInfo, BOOTSTRAP_VALIDATOR_LAMPORTS,
         },
@@ -7504,77 +7503,6 @@ mod tests {
         assert_eq!(bank.capitalization(), pre_capitalization - burn_amount);
     }
 
-    #[test]
-    fn test_legacy_system_instruction_processor0_stable() {
-        let (mut genesis_config, mint_keypair) = create_genesis_config(1_000_000);
-        genesis_config.operating_mode = OperatingMode::Stable;
-        let bank0 = Arc::new(Bank::new(&genesis_config));
-
-        let activation_epoch = new_system_program_activation_epoch(bank0.operating_mode());
-        assert!(activation_epoch > bank0.epoch());
-
-        // Transfer to self is not supported by legacy_system_instruction_processor0
-        bank0
-            .transfer(1, &mint_keypair, &mint_keypair.pubkey())
-            .unwrap_err();
-
-        // Activate system_instruction_processor
-        let bank = Bank::new_from_parent(
-            &bank0,
-            &Pubkey::default(),
-            genesis_config
-                .epoch_schedule
-                .get_first_slot_in_epoch(activation_epoch),
-        );
-
-        // Transfer to self is supported by system_instruction_processor
-        bank.transfer(2, &mint_keypair, &mint_keypair.pubkey())
-            .unwrap();
-    }
-
-    #[test]
-    fn test_legacy_system_instruction_processor0_preview() {
-        let (mut genesis_config, mint_keypair) = create_genesis_config(1_000_000);
-        genesis_config.operating_mode = OperatingMode::Preview;
-        let bank0 = Arc::new(Bank::new(&genesis_config));
-
-        let activation_epoch = new_system_program_activation_epoch(bank0.operating_mode());
-        assert!(activation_epoch > bank0.epoch());
-
-        // Transfer to self is not supported by legacy_system_instruction_processor0
-        bank0
-            .transfer(1, &mint_keypair, &mint_keypair.pubkey())
-            .unwrap_err();
-
-        // Activate system_instruction_processor
-        let bank = Bank::new_from_parent(
-            &bank0,
-            &Pubkey::default(),
-            genesis_config
-                .epoch_schedule
-                .get_first_slot_in_epoch(activation_epoch),
-        );
-
-        // Transfer to self is supported by system_instruction_processor
-        bank.transfer(2, &mint_keypair, &mint_keypair.pubkey())
-            .unwrap();
-    }
-
-    #[test]
-    fn test_legacy_system_instruction_processor0_development() {
-        let (mut genesis_config, mint_keypair) = create_genesis_config(1_000_000);
-        genesis_config.operating_mode = OperatingMode::Development;
-        let bank0 = Arc::new(Bank::new(&genesis_config));
-
-        let activation_epoch = new_system_program_activation_epoch(bank0.operating_mode());
-        assert!(activation_epoch == bank0.epoch());
-
-        // Transfer to self is supported by system_instruction_processor
-        bank0
-            .transfer(2, &mint_keypair, &mint_keypair.pubkey())
-            .unwrap();
-    }
-
     #[test]
     fn test_duplicate_account_key() {
         solana_logger::setup();

runtime/src/builtin_programs.rs

@@ -1,4 +1,4 @@
-use crate::{legacy_system_instruction_processor0, system_instruction_processor};
+use crate::system_instruction_processor;
 use solana_sdk::{
     clock::Epoch, entrypoint_native::ProcessInstruction, genesis_config::OperatingMode,
     pubkey::Pubkey, system_program,
@@ -19,30 +19,14 @@ impl BuiltinProgram {
     }
 }
 
-pub(crate) fn new_system_program_activation_epoch(operating_mode: OperatingMode) -> Epoch {
-    match operating_mode {
-        OperatingMode::Development => 0,
-        OperatingMode::Preview => 60,
-        OperatingMode::Stable => 40,
-    }
-}
-
 /// All builtin programs that should be active at the given (operating_mode, epoch)
-pub fn get_builtin_programs(operating_mode: OperatingMode, epoch: Epoch) -> Vec<BuiltinProgram> {
+pub fn get_builtin_programs(_operating_mode: OperatingMode, _epoch: Epoch) -> Vec<BuiltinProgram> {
     vec![
-        if epoch < new_system_program_activation_epoch(operating_mode) {
-            BuiltinProgram::new(
-                "system_program",
-                system_program::id(),
-                legacy_system_instruction_processor0::process_instruction,
-            )
-        } else {
         BuiltinProgram::new(
             "system_program",
             system_program::id(),
             system_instruction_processor::process_instruction,
-            )
-        },
+        ),
         BuiltinProgram::new(
             "config_program",
             solana_config_program::id(),
@@ -63,16 +47,8 @@ pub fn get_builtin_programs(operating_mode: OperatingMode, epoch: Epoch) -> Vec<
 
 /// Builtin programs that activate at the given (operating_mode, epoch)
 pub fn get_epoch_activated_builtin_programs(
-    operating_mode: OperatingMode,
-    epoch: Epoch,
+    _operating_mode: OperatingMode,
+    _epoch: Epoch,
 ) -> Option<Vec<BuiltinProgram>> {
-    if epoch == new_system_program_activation_epoch(operating_mode) {
-        Some(vec![BuiltinProgram::new(
-            "system_program",
-            system_program::id(),
-            system_instruction_processor::process_instruction,
-        )])
-    } else {
     None
-    }
 }

runtime/src/lib.rs

@@ -14,7 +14,6 @@ pub mod commitment;
 pub mod epoch_stakes;
 pub mod genesis_utils;
 pub mod hardened_unpack;
-mod legacy_system_instruction_processor0;
 pub mod loader_utils;
 pub mod log_collector;
 pub mod message_processor;