deprecate fees sysvar (#18960)

program-test/src/lib.rs

@@ -1,6 +1,8 @@
 //! The solana-program-test provides a BanksClient-based test framework BPF programs
 #![allow(clippy::integer_arithmetic)]
 
+#[allow(deprecated)]
+use solana_sdk::sysvar::fees::Fees;
 use {
     async_trait::async_trait,
     chrono_humanize::{Accuracy, HumanTime, Tense},
@@ -34,7 +36,7 @@ use {
         signature::{Keypair, Signer},
         sysvar::{
             clock, epoch_schedule,
-            fees::{self, Fees},
+            fees::{self},
             rent, Sysvar,
         },
     },
@@ -377,6 +379,7 @@ impl solana_sdk::program_stubs::SyscallStubs for SyscallStubs {
         get_sysvar::<EpochSchedule>(&epoch_schedule::id(), var_addr)
     }
 
+    #[allow(deprecated)]
     fn sol_get_fees_sysvar(&self, var_addr: *mut u8) -> u64 {
         get_sysvar::<Fees>(&fees::id(), var_addr)
     }

program-test/tests/sysvar.rs

@@ -1,17 +1,11 @@
+#[allow(deprecated)]
+use solana_sdk::sysvar::fees::Fees;
 use {
     solana_program_test::{processor, ProgramTest},
     solana_sdk::{
-        account_info::AccountInfo,
-        clock::Clock,
-        entrypoint::ProgramResult,
-        epoch_schedule::EpochSchedule,
-        fee_calculator::FeeCalculator,
-        instruction::Instruction,
-        msg,
-        pubkey::Pubkey,
-        rent::Rent,
-        signature::Signer,
-        sysvar::{fees::Fees, Sysvar},
+        account_info::AccountInfo, clock::Clock, entrypoint::ProgramResult,
+        epoch_schedule::EpochSchedule, fee_calculator::FeeCalculator, instruction::Instruction,
+        msg, pubkey::Pubkey, rent::Rent, signature::Signer, sysvar::Sysvar,
         transaction::Transaction,
     },
 };
@@ -30,13 +24,16 @@ fn sysvar_getter_process_instruction(
     let epoch_schedule = EpochSchedule::get()?;
     assert_eq!(epoch_schedule, EpochSchedule::default());
 
-    let fees = Fees::get()?;
-    assert_eq!(
-        fees.fee_calculator,
-        FeeCalculator {
-            lamports_per_signature: 5000
-        }
-    );
+    #[allow(deprecated)]
+    {
+        let fees = Fees::get()?;
+        assert_eq!(
+            fees.fee_calculator,
+            FeeCalculator {
+                lamports_per_signature: 5000
+            }
+        );
+    }
 
     let rent = Rent::get()?;
     assert_eq!(rent, Rent::default());