deprecate fees sysvar (#18960)

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

@@ -2,7 +2,7 @@
 
 extern crate solana_program;
 #[allow(deprecated)]
-use solana_program::sysvar::recent_blockhashes::RecentBlockhashes;
+use solana_program::sysvar::{fees::Fees, recent_blockhashes::RecentBlockhashes};
 use solana_program::{
     account_info::AccountInfo,
     entrypoint,
@@ -12,7 +12,7 @@ use solana_program::{
     program_error::ProgramError,
     pubkey::Pubkey,
     sysvar::{
-        self, clock::Clock, epoch_schedule::EpochSchedule, fees::Fees, instructions, rent::Rent,
+        self, clock::Clock, epoch_schedule::EpochSchedule, instructions, rent::Rent,
         slot_hashes::SlotHashes, slot_history::SlotHistory, stake_history::StakeHistory, Sysvar,
     },
 };
@@ -45,6 +45,7 @@ pub fn process_instruction(
     }
 
     // Fees
+    #[allow(deprecated)]
     {
         msg!("Fees identifier:");
         sysvar::fees::id().log();

programs/bpf/rust/sysvar/tests/lib.rs

@@ -1,13 +1,11 @@
 use solana_bpf_rust_sysvar::process_instruction;
 use solana_program_test::*;
+use solana_sdk::sysvar::{fees, recent_blockhashes};
 use solana_sdk::{
     instruction::{AccountMeta, Instruction},
     pubkey::Pubkey,
     signature::Signer,
-    sysvar::{
-        clock, epoch_schedule, fees, instructions, recent_blockhashes, rent, slot_hashes,
-        slot_history, stake_history,
-    },
+    sysvar::{clock, epoch_schedule, instructions, rent, slot_hashes, slot_history, stake_history},
     transaction::Transaction,
 };
 
@@ -30,8 +28,10 @@ async fn test_sysvars() {
                 AccountMeta::new(Pubkey::new_unique(), false),
                 AccountMeta::new_readonly(clock::id(), false),
                 AccountMeta::new_readonly(epoch_schedule::id(), false),
+                #[allow(deprecated)]
                 AccountMeta::new_readonly(fees::id(), false),
                 AccountMeta::new_readonly(instructions::id(), false),
+                #[allow(deprecated)]
                 AccountMeta::new_readonly(recent_blockhashes::id(), false),
                 AccountMeta::new_readonly(rent::id(), false),
                 AccountMeta::new_readonly(slot_hashes::id(), false),