Fix ed25519 builtin program handling (#23182)

* Fix ed25519 builtin program handling

* Fix tests

* Add integration tests for processing transactions with ed25519 ixs

* Fix another test

* fix formatting

program-test/src/lib.rs

@@ -25,6 +25,7 @@ use {
         account_info::AccountInfo,
         clock::Slot,
         entrypoint::{ProgramResult, SUCCESS},
+        feature_set::FEATURE_NAMES,
         fee_calculator::{FeeCalculator, FeeRateGovernor},
         genesis_config::{ClusterType, GenesisConfig},
         hash::Hash,
@@ -57,7 +58,10 @@ use {
     tokio::task::JoinHandle,
 };
 // Export types so test clients can limit their solana crate dependencies
-pub use {solana_banks_client::BanksClient, solana_program_runtime::invoke_context::InvokeContext};
+pub use {
+    solana_banks_client::{BanksClient, BanksClientError},
+    solana_program_runtime::invoke_context::InvokeContext,
+};
 
 pub mod programs;
 
@@ -456,6 +460,7 @@ pub struct ProgramTest {
     compute_max_units: Option<u64>,
     prefer_bpf: bool,
     use_bpf_jit: bool,
+    deactivate_feature_set: HashSet<Pubkey>,
 }
 
 impl Default for ProgramTest {
@@ -486,6 +491,7 @@ impl Default for ProgramTest {
             compute_max_units: None,
             prefer_bpf,
             use_bpf_jit: false,
+            deactivate_feature_set: HashSet::default(),
         }
     }
 }
@@ -715,6 +721,13 @@ impl ProgramTest {
             .push(Builtin::new(program_name, program_id, process_instruction));
     }
 
+    /// Deactivate a runtime feature.
+    ///
+    /// Note that all features are activated by default.
+    pub fn deactivate_feature(&mut self, feature_id: Pubkey) {
+        self.deactivate_feature_set.insert(feature_id);
+    }
+
     fn setup_bank(
         &self,
     ) -> (
@@ -754,6 +767,25 @@ impl ProgramTest {
             ClusterType::Development,
             vec![],
         );
+
+        // Remove features tagged to deactivate
+        for deactivate_feature_pk in &self.deactivate_feature_set {
+            if FEATURE_NAMES.contains_key(deactivate_feature_pk) {
+                match genesis_config.accounts.remove(deactivate_feature_pk) {
+                    Some(_) => debug!("Feature for {:?} deactivated", deactivate_feature_pk),
+                    None => warn!(
+                        "Feature {:?} set for deactivation not found in genesis_config account list, ignored.",
+                        deactivate_feature_pk
+                    ),
+                }
+            } else {
+                warn!(
+                    "Feature {:?} set for deactivation is not a known Feature public key",
+                    deactivate_feature_pk
+                );
+            }
+        }
+
         let target_tick_duration = Duration::from_micros(100);
         genesis_config.poh_config = PohConfig::new_sleep(target_tick_duration);
         debug!("Payer address: {}", mint_keypair.pubkey());