account.owner = X -> account.set_owner(X) (#16754)

programs/bpf_loader/src/lib.rs

@@ -2455,7 +2455,7 @@ mod tests {
             min_program_balance,
             min_programdata_balance,
         );
-        program_account.borrow_mut().owner = Pubkey::new_unique();
+        program_account.borrow_mut().set_owner(Pubkey::new_unique());
         let keyed_accounts = vec![
             KeyedAccount::new(&programdata_address, false, &programdata_account),
             KeyedAccount::new(&program_address, false, &program_account),

programs/stake/src/stake_instruction.rs

@@ -626,7 +626,7 @@ mod tests {
     use super::*;
     use bincode::serialize;
     use solana_sdk::{
-        account::{self, Account, AccountSharedData},
+        account::{self, Account, AccountSharedData, WritableAccount},
         keyed_account::KeyedAccount,
         process_instruction::MockInvokeContext,
         rent::Rent,
@@ -1026,7 +1026,9 @@ mod tests {
         let stake_account = create_default_stake_account();
         let vote_address = Pubkey::default();
         let mut bad_vote_account = create_default_account();
-        bad_vote_account.get_mut().owner = solana_vote_program::id();
+        bad_vote_account
+            .get_mut()
+            .set_owner(solana_vote_program::id());
         let clock_address = sysvar::clock::id();
         let clock_account = RefCell::new(account::create_account_shared_data_for_test(
             &sysvar::clock::Clock::default(),

programs/stake/src/stake_state.rs

@@ -1708,8 +1708,11 @@ mod tests {
     use super::*;
     use crate::id;
     use solana_sdk::{
-        account::AccountSharedData, native_token, process_instruction::MockInvokeContext,
-        pubkey::Pubkey, system_program,
+        account::{AccountSharedData, WritableAccount},
+        native_token,
+        process_instruction::MockInvokeContext,
+        pubkey::Pubkey,
+        system_program,
     };
     use solana_vote_program::vote_state;
     use std::{cell::RefCell, iter::FromIterator};
@@ -2010,7 +2013,9 @@ mod tests {
 
         // signed but faked vote account
         let faked_vote_account = vote_account.clone();
-        faked_vote_account.borrow_mut().owner = solana_sdk::pubkey::new_rand();
+        faked_vote_account
+            .borrow_mut()
+            .set_owner(solana_sdk::pubkey::new_rand());
         let faked_vote_keyed_account = KeyedAccount::new(&vote_pubkey, false, &faked_vote_account);
         assert_eq!(
             stake_keyed_account.delegate(

runtime/src/accounts_db.rs

@@ -6687,10 +6687,10 @@ pub mod tests {
         account_data_with_mint[..PUBKEY_BYTES].clone_from_slice(&(mint_key.to_bytes()));
 
         let mut normal_account = AccountSharedData::new(1, 0, AccountSharedData::default().owner());
-        normal_account.owner = inline_spl_token_v2_0::id();
+        normal_account.set_owner(inline_spl_token_v2_0::id());
         normal_account.set_data(account_data_with_mint.clone());
         let mut zero_account = AccountSharedData::new(0, 0, AccountSharedData::default().owner());
-        zero_account.owner = inline_spl_token_v2_0::id();
+        zero_account.set_owner(inline_spl_token_v2_0::id());
         zero_account.set_data(account_data_with_mint);
 
         //store an account

runtime/src/bank.rs

@@ -12121,7 +12121,7 @@ pub(crate) mod tests {
         // freely modified with malicious data
         let bogus_vote_program = Pubkey::new_unique();
         vote_account.lamports = original_lamports;
-        vote_account.owner = bogus_vote_program;
+        vote_account.set_owner(bogus_vote_program);
         bank.store_account(
             &validator_vote_keypairs0.vote_keypair.pubkey(),
             &vote_account,
@@ -12135,7 +12135,7 @@ pub(crate) mod tests {
         let mut stake_account = bank
             .get_account(&validator_vote_keypairs1.stake_keypair.pubkey())
             .unwrap_or_default();
-        stake_account.owner = bogus_stake_program;
+        stake_account.set_owner(bogus_stake_program);
         bank.store_account(
             &validator_vote_keypairs1.stake_keypair.pubkey(),
             &stake_account,

runtime/src/message_processor.rs

@@ -916,7 +916,9 @@ impl MessageProcessor {
                         return Err(InstructionError::InvalidRealloc);
                     }
                     dst_keyed_account.try_account_ref_mut()?.lamports = src_keyed_account.lamports;
-                    dst_keyed_account.try_account_ref_mut()?.owner = src_keyed_account.owner;
+                    dst_keyed_account
+                        .try_account_ref_mut()?
+                        .set_owner(src_keyed_account.owner);
                     dst_keyed_account
                         .try_account_ref_mut()?
                         .set_data(src_keyed_account.data().to_vec());
@@ -1463,7 +1465,7 @@ mod tests {
             self
         }
         pub fn owner(mut self, post: &Pubkey) -> Self {
-            self.post.owner = *post;
+            self.post.set_owner(*post);
             self
         }
         pub fn data(mut self, pre: Vec<u8>, post: Vec<u8>) -> Self {

runtime/src/system_instruction_processor.rs

@@ -1,6 +1,6 @@
 use log::*;
 use solana_sdk::{
-    account::{AccountSharedData, ReadableAccount},
+    account::{AccountSharedData, ReadableAccount, WritableAccount},
     account_utils::StateMut,
     ic_msg,
     instruction::InstructionError,
@@ -126,7 +126,7 @@ fn assign(
         return Err(SystemError::InvalidProgramId.into());
     }
 
-    account.owner = *owner;
+    account.set_owner(*owner);
     Ok(())
 }