Deprecate `is_sysvar_id` function (#789)

Deprecate is_sysvar_id

ledger-tool/src/main.rs

@@ -2778,7 +2778,7 @@ fn main() {
                         for (pubkey, warped_account) in all_accounts {
                             // Don't output sysvars; it's always updated but not related to
                             // inflation.
-                            if solana_sdk::sysvar::is_sysvar_id(&pubkey) {
+                            if solana_sdk::sysvar::check_id(warped_account.owner()) {
                                 continue;
                             }
 

ledger-tool/src/output.rs

@@ -643,9 +643,9 @@ struct AccountsScanner {
 
 impl AccountsScanner {
     /// Returns true if this account should be included in the output
-    fn should_process_account(&self, account: &AccountSharedData, pubkey: &Pubkey) -> bool {
+    fn should_process_account(&self, account: &AccountSharedData) -> bool {
         solana_accounts_db::accounts::Accounts::is_loadable(account.lamports())
-            && (self.config.include_sysvars || !solana_sdk::sysvar::is_sysvar_id(pubkey))
+            && (self.config.include_sysvars || !solana_sdk::sysvar::check_id(account.owner()))
     }
 
     fn maybe_output_account<S>(
@@ -688,8 +688,8 @@ impl AccountsScanner {
         };
 
         let scan_func = |account_tuple: Option<(&Pubkey, AccountSharedData, Slot)>| {
-            if let Some((pubkey, account, slot)) = account_tuple
-                .filter(|(pubkey, account, _)| self.should_process_account(account, pubkey))
+            if let Some((pubkey, account, slot)) =
+                account_tuple.filter(|(_, account, _)| self.should_process_account(account))
             {
                 total_accounts_stats.accumulate_account(pubkey, &account, rent_collector);
                 self.maybe_output_account(
@@ -710,7 +710,7 @@ impl AccountsScanner {
                 if let Some((account, slot)) = self
                     .bank
                     .get_account_modified_slot_with_fixed_root(pubkey)
-                    .filter(|(account, _)| self.should_process_account(account, pubkey))
+                    .filter(|(account, _)| self.should_process_account(account))
                 {
                     total_accounts_stats.accumulate_account(pubkey, &account, rent_collector);
                     self.maybe_output_account(
@@ -727,7 +727,7 @@ impl AccountsScanner {
                 .get_program_accounts(program_pubkey, &ScanConfig::default())
                 .unwrap()
                 .iter()
-                .filter(|(pubkey, account)| self.should_process_account(account, pubkey))
+                .filter(|(_, account)| self.should_process_account(account))
                 .for_each(|(pubkey, account)| {
                     total_accounts_stats.accumulate_account(pubkey, account, rent_collector);
                     self.maybe_output_account(

runtime/src/bank/tests.rs

@@ -4366,7 +4366,7 @@ fn test_bank_get_program_accounts() {
     assert!(
         genesis_accounts
             .iter()
-            .any(|(pubkey, _, _)| solana_sdk::sysvar::is_sysvar_id(pubkey)),
+            .any(|(_, account, _)| solana_sdk::sysvar::check_id(account.owner())),
         "no sysvars found"
     );
 

sdk/program/src/message/legacy.rs

@@ -58,6 +58,7 @@ lazy_static! {
     };
 }
 
+#[allow(deprecated)]
 pub fn is_builtin_key_or_sysvar(key: &Pubkey) -> bool {
     if MAYBE_BUILTIN_KEY_OR_SYSVAR[key.0[0] as usize] {
         return sysvar::is_sysvar_id(key) || BUILTIN_PROGRAMS_KEYS.contains(key);

sdk/program/src/sysvar/mod.rs

@@ -118,6 +118,10 @@ lazy_static! {
 }
 
 /// Returns `true` of the given `Pubkey` is a sysvar account.
+#[deprecated(
+    since = "2.0.0",
+    note = "please check the account's owner or use solana_sdk::reserved_account_keys::ReservedAccountKeys instead"
+)]
 pub fn is_sysvar_id(id: &Pubkey) -> bool {
     ALL_IDS.iter().any(|key| key == id)
 }

storage-bigtable/src/lib.rs

@@ -10,8 +10,8 @@ use {
         deserialize_utils::default_on_eof,
         message::v0::LoadedAddresses,
         pubkey::Pubkey,
+        reserved_account_keys::ReservedAccountKeys,
         signature::Signature,
-        sysvar::is_sysvar_id,
         timing::AtomicInterval,
         transaction::{TransactionError, VersionedTransaction},
     },
@@ -938,6 +938,7 @@ impl LedgerStorage {
             entries,
         } = confirmed_block;
 
+        let reserved_account_keys = ReservedAccountKeys::new_all_activated();
         let mut tx_cells = Vec::with_capacity(confirmed_block.transactions.len());
         for (index, transaction_with_meta) in confirmed_block.transactions.iter().enumerate() {
             let VersionedTransactionWithStatusMeta { meta, transaction } = transaction_with_meta;
@@ -947,7 +948,11 @@ impl LedgerStorage {
             let memo = extract_and_fmt_memos(transaction_with_meta);
 
             for address in transaction_with_meta.account_keys().iter() {
-                if !is_sysvar_id(address) {
+                // Historical note that previously only a set of sysvar ids were
+                // skipped from being uploaded. Now we skip uploaded for the set
+                // of all reserved account keys which will continue to grow in
+                // the future.
+                if !reserved_account_keys.is_reserved(address) {
                     by_addr
                         .entry(address)
                         .or_default()
@@ -1083,9 +1088,13 @@ impl LedgerStorage {
                     let err = None;
 
                     for address in transaction.message.account_keys.iter() {
-                        if !is_sysvar_id(address) {
-                            addresses.insert(address);
-                        }
+                        // We could skip deleting addresses that are known
+                        // reserved keys but it's hard to be sure whether we
+                        // previously uploaded rows for reserved keys or not. So
+                        // to ensure everything is deleted properly, we attempt
+                        // to delete rows for all addresses even if they might
+                        // not have been uploaded.
+                        addresses.insert(address);
                     }
 
                     expected_tx_infos.insert(
@@ -1100,9 +1109,13 @@ impl LedgerStorage {
                     let err = meta.status.clone().err();
 
                     for address in tx_with_meta.account_keys().iter() {
-                        if !is_sysvar_id(address) {
-                            addresses.insert(address);
-                        }
+                        // We could skip deleting addresses that are known
+                        // reserved keys but it's hard to be sure whether we
+                        // previously uploaded rows for reserved keys or not. So
+                        // to ensure everything is deleted properly, we attempt
+                        // to delete rows for all addresses even if they might
+                        // not have been uploaded.
+                        addresses.insert(address);
                     }
 
                     expected_tx_infos.insert(