Add replay invalidator scaffolding upstream (#31567)

* Add replay invalidator scaffolding upstream

core/src/tpu.rs

@@ -15,6 +15,7 @@ use {
         sigverify::TransactionSigVerifier,
         sigverify_stage::SigVerifyStage,
         staked_nodes_updater_service::StakedNodesUpdaterService,
+        validator::GeneratorConfig,
     },
     crossbeam_channel::{unbounded, Receiver},
     solana_client::connection_cache::{ConnectionCache, Protocol},
@@ -106,6 +107,7 @@ impl Tpu {
         tracer_thread_hdl: TracerThread,
         tpu_enable_udp: bool,
         prioritization_fee_cache: &Arc<PrioritizationFeeCache>,
+        _generator_config: Option<GeneratorConfig>, /* vestigial code for replay invalidator */
     ) -> Self {
         let TpuSockets {
             transactions: transactions_sockets,

core/src/validator.rs

@@ -175,6 +175,13 @@ impl BlockProductionMethod {
     }
 }
 
+/// Configuration for the block generator invalidator for replay.
+#[derive(Clone, Debug)]
+pub struct GeneratorConfig {
+    pub accounts_path: String,
+    pub starting_keypairs: Arc<Vec<Keypair>>,
+}
+
 pub struct ValidatorConfig {
     pub halt_at_slot: Option<Slot>,
     pub expected_genesis_hash: Option<Hash>,
@@ -240,6 +247,7 @@ pub struct ValidatorConfig {
     pub banking_trace_dir_byte_limit: banking_trace::DirByteLimit,
     pub block_verification_method: BlockVerificationMethod,
     pub block_production_method: BlockProductionMethod,
+    pub generator_config: Option<GeneratorConfig>,
 }
 
 impl Default for ValidatorConfig {
@@ -306,6 +314,7 @@ impl Default for ValidatorConfig {
             banking_trace_dir_byte_limit: 0,
             block_verification_method: BlockVerificationMethod::default(),
             block_production_method: BlockProductionMethod::default(),
+            generator_config: None,
         }
     }
 }
@@ -1184,6 +1193,7 @@ impl Validator {
             tracer_thread,
             tpu_enable_udp,
             &prioritization_fee_cache,
+            config.generator_config.clone(),
         );
 
         datapoint_info!(

local-cluster/src/validator_configs.rs

@@ -68,6 +68,7 @@ pub fn safe_clone_config(config: &ValidatorConfig) -> ValidatorConfig {
         banking_trace_dir_byte_limit: config.banking_trace_dir_byte_limit,
         block_verification_method: config.block_verification_method.clone(),
         block_production_method: config.block_production_method.clone(),
+        generator_config: config.generator_config.clone(),
     }
 }