Cleanup and feature gate instruction processing (#12359)

programs/bpf/rust/instruction_introspection/src/lib.rs

@@ -26,14 +26,14 @@ fn process_instruction(
         return Err(ProgramError::InvalidAccountData);
     }
 
-    let instruction = instructions::get_instruction(
+    let instruction = instructions::load_instruction_at(
         secp_instruction_index as usize,
         &instruction_accounts.try_borrow_data()?,
     )
     .map_err(|_| ProgramError::InvalidAccountData)?;
 
     let current_instruction =
-        instructions::get_current_instruction(&instruction_accounts.try_borrow_data()?);
+        instructions::load_current_index(&instruction_accounts.try_borrow_data()?);
     let my_index = instruction_data[1] as u16;
     assert_eq!(current_instruction, my_index);
 

runtime/src/bank.rs

@@ -1982,6 +1982,8 @@ impl Bank {
                         &self.rent_collector,
                         log_collector.clone(),
                         executors.clone(),
+                        self.cluster_type(),
+                        self.epoch(),
                     );
 
                     Self::refcells_to_accounts(

runtime/src/message_processor.rs

@@ -10,6 +10,7 @@ use solana_sdk::{
         ComputeBudget, ComputeMeter, ErasedProcessInstruction, ErasedProcessInstructionWithContext,
         Executor, InvokeContext, Logger, ProcessInstruction, ProcessInstructionWithContext,
     },
+    genesis_config::ClusterType,
     instruction::{CompiledInstruction, InstructionError},
     message::Message,
     native_loader,
@@ -656,6 +657,7 @@ impl MessageProcessor {
     /// This method calls the instruction's program entrypoint method and verifies that the result of
     /// the call does not violate the bank's accounting rules.
     /// The accounts are committed back to the bank only if this function returns Ok(_).
+    #[allow(clippy::too_many_arguments)]
     fn execute_instruction(
         &self,
         message: &Message,
@@ -666,17 +668,21 @@ impl MessageProcessor {
         log_collector: Option<Rc<LogCollector>>,
         executors: Rc<RefCell<Executors>>,
         instruction_index: usize,
+        cluster_type: ClusterType,
+        epoch: Epoch,
     ) -> Result<(), InstructionError> {
         // Fixup the special instructions key if present
         // before the account pre-values are taken care of
-        for (i, key) in message.account_keys.iter().enumerate() {
-            if solana_sdk::sysvar::instructions::check_id(key) {
-                let mut mut_account_ref = accounts[i].borrow_mut();
-                solana_sdk::sysvar::instructions::store_current_instruction(
-                    &mut mut_account_ref.data,
-                    instruction_index as u16,
-                );
-                break;
+        if solana_sdk::sysvar::instructions::is_enabled(epoch, cluster_type) {
+            for (i, key) in message.account_keys.iter().enumerate() {
+                if solana_sdk::sysvar::instructions::check_id(key) {
+                    let mut mut_account_ref = accounts[i].borrow_mut();
+                    solana_sdk::sysvar::instructions::store_current_index(
+                        &mut mut_account_ref.data,
+                        instruction_index as u16,
+                    );
+                    break;
+                }
             }
         }
 
@@ -716,6 +722,8 @@ impl MessageProcessor {
         rent_collector: &RentCollector,
         log_collector: Option<Rc<LogCollector>>,
         executors: Rc<RefCell<Executors>>,
+        cluster_type: ClusterType,
+        epoch: Epoch,
     ) -> Result<(), TransactionError> {
         for (instruction_index, instruction) in message.instructions.iter().enumerate() {
             self.execute_instruction(
@@ -727,6 +735,8 @@ impl MessageProcessor {
                 log_collector.clone(),
                 executors.clone(),
                 instruction_index,
+                cluster_type,
+                epoch,
             )
             .map_err(|err| TransactionError::InstructionError(instruction_index as u8, err))?;
         }
@@ -1319,6 +1329,8 @@ mod tests {
             &rent_collector,
             None,
             executors.clone(),
+            ClusterType::Development,
+            0,
         );
         assert_eq!(result, Ok(()));
         assert_eq!(accounts[0].borrow().lamports, 100);
@@ -1340,6 +1352,8 @@ mod tests {
             &rent_collector,
             None,
             executors.clone(),
+            ClusterType::Development,
+            0,
         );
         assert_eq!(
             result,
@@ -1365,6 +1379,8 @@ mod tests {
             &rent_collector,
             None,
             executors,
+            ClusterType::Development,
+            0,
         );
         assert_eq!(
             result,
@@ -1473,6 +1489,8 @@ mod tests {
             &rent_collector,
             None,
             executors.clone(),
+            ClusterType::Development,
+            0,
         );
         assert_eq!(
             result,
@@ -1498,6 +1516,8 @@ mod tests {
             &rent_collector,
             None,
             executors.clone(),
+            ClusterType::Development,
+            0,
         );
         assert_eq!(result, Ok(()));
 
@@ -1520,6 +1540,8 @@ mod tests {
             &rent_collector,
             None,
             executors,
+            ClusterType::Development,
+            0,
         );
         assert_eq!(result, Ok(()));
         assert_eq!(accounts[0].borrow().lamports, 80);

sdk/benches/serialize_instructions.rs

@@ -47,7 +47,7 @@ fn bench_manual_instruction_deserialize(b: &mut Bencher) {
     let serialized = message.serialize_instructions();
     b.iter(|| {
         for i in 0..instructions.len() {
-            test::black_box(instructions::get_instruction(i, &serialized).unwrap());
+            test::black_box(instructions::load_instruction_at(i, &serialized).unwrap());
         }
     });
 }
@@ -58,6 +58,6 @@ fn bench_manual_instruction_deserialize_single(b: &mut Bencher) {
     let message = Message::new(&instructions, None);
     let serialized = message.serialize_instructions();
     b.iter(|| {
-        test::black_box(instructions::get_instruction(3, &serialized).unwrap());
+        test::black_box(instructions::load_instruction_at(3, &serialized).unwrap());
     });
 }

sdk/src/sysvar/instructions.rs

@@ -7,7 +7,7 @@ use crate::sysvar::Sysvar;
 
 pub type Instructions = Vec<Instruction>;
 
-crate::declare_sysvar_id!("instructions1111111111111111111111111111111", Instructions);
+crate::declare_sysvar_id!("Sysvar1nstructions1111111111111111111111111", Instructions);
 
 impl Sysvar for Instructions {}
 
@@ -21,19 +21,19 @@ pub fn is_enabled(_epoch: Epoch, cluster_type: ClusterType) -> bool {
     cluster_type == ClusterType::Development
 }
 
-pub fn get_current_instruction(data: &[u8]) -> u16 {
+pub fn load_current_index(data: &[u8]) -> u16 {
     let mut instr_fixed_data = [0u8; 2];
     let len = data.len();
     instr_fixed_data.copy_from_slice(&data[len - 2..len]);
     u16::from_le_bytes(instr_fixed_data)
 }
 
-pub fn store_current_instruction(data: &mut [u8], instruction_index: u16) {
+pub fn store_current_index(data: &mut [u8], instruction_index: u16) {
     let last_index = data.len() - 2;
     data[last_index..last_index + 2].copy_from_slice(&instruction_index.to_le_bytes());
 }
 
-pub fn get_instruction(index: usize, data: &[u8]) -> Result<Instruction, SanitizeError> {
+pub fn load_instruction_at(index: usize, data: &[u8]) -> Result<Instruction, SanitizeError> {
     solana_sdk::message::Message::deserialize_instruction(index, data)
 }
 
@@ -42,10 +42,10 @@ mod tests {
     use super::*;
 
     #[test]
-    fn test_get_store_instruction() {
+    fn test_load_store_instruction() {
         let mut data = [4u8; 10];
-        store_current_instruction(&mut data, 3);
-        assert_eq!(get_current_instruction(&data), 3);
+        store_current_index(&mut data, 3);
+        assert_eq!(load_current_index(&data), 3);
         assert_eq!([4u8; 8], data[0..8]);
     }
 }