Enable system program at SoftLaunch epoch 0 (#7313)

local-cluster/Cargo.toml

@@ -31,5 +31,6 @@ tempfile = "3.1.0"
 solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "0.22.0" }
 
 [dev-dependencies]
+assert_matches = "1.3.0"
 serial_test = "0.3.1"
 serial_test_derive = "0.3.1"

local-cluster/src/local_cluster.rs

@@ -170,9 +170,11 @@ impl LocalCluster {
                         .into_iter()
                         .collect()
             }
-            // create_genesis_config_with_leader() assumes OperatingMode::Development so do
-            // nothing...
-            OperatingMode::Development => (),
+            OperatingMode::Development => {
+                genesis_config
+                    .native_instruction_processors
+                    .push(solana_storage_program!());
+            }
         }
 
         genesis_config.inflation =
@@ -181,9 +183,6 @@ impl LocalCluster {
         genesis_config
             .native_instruction_processors
             .extend_from_slice(&config.native_instruction_processors);
-        genesis_config
-            .native_instruction_processors
-            .push(solana_storage_program!());
 
         let storage_keypair = Keypair::new();
         genesis_config.add_account(

local-cluster/tests/local_cluster.rs

@@ -1,3 +1,4 @@
+use assert_matches::assert_matches;
 use log::*;
 use serial_test_derive::serial;
 use solana_client::thin_client::create_client;
@@ -565,11 +566,30 @@ fn test_softlaunch_operating_mode() {
         solana_core::cluster_info::VALIDATOR_PORT_RANGE,
     );
 
-    // Programs that are not available at soft launch
+    // Programs that are available at soft launch epoch 0
+    for program_id in [
+        &solana_sdk::system_program::id(),
+        &solana_vote_program::id(),
+        &solana_stake_program::id(),
+    ]
+    .iter()
+    {
+        assert_matches!(
+            (
+                program_id,
+                client
+                    .get_account_with_commitment(program_id, CommitmentConfig::recent())
+                    .unwrap()
+            ),
+            (_program_id, Some(_))
+        );
+    }
+
+    // Programs that are not available at soft launch epoch 0
     for program_id in [
         &solana_config_program::id(),
         &solana_sdk::bpf_loader::id(),
-        &solana_sdk::system_program::id(),
+        &solana_storage_program::id(),
         &solana_vest_program::id(),
     ]
     .iter()