SVM: move `TransactionProcessingCallback` into its own module (#1004)

runtime/benches/bank.rs

@@ -20,7 +20,7 @@ use {
         signature::{Keypair, Signer},
         transaction::Transaction,
     },
-    solana_svm::transaction_processor::TransactionProcessingCallback,
+    solana_svm::transaction_processing_callback::TransactionProcessingCallback,
     std::{sync::Arc, thread::sleep, time::Duration},
     test::Bencher,
 };

runtime/src/bank.rs

@@ -167,9 +167,9 @@ use {
         account_loader::{TransactionCheckResult, TransactionLoadResult},
         account_overrides::AccountOverrides,
         transaction_error_metrics::TransactionErrorMetrics,
+        transaction_processing_callback::TransactionProcessingCallback,
         transaction_processor::{
             ExecutionRecordingConfig, TransactionBatchProcessor, TransactionLogMessages,
-            TransactionProcessingCallback,
         },
         transaction_results::{
             TransactionExecutionDetails, TransactionExecutionResult, TransactionResults,

svm/src/account_loader.rs

@@ -2,7 +2,7 @@ use {
     crate::{
         account_overrides::AccountOverrides, account_rent_state::RentState,
         transaction_error_metrics::TransactionErrorMetrics,
-        transaction_processor::TransactionProcessingCallback,
+        transaction_processing_callback::TransactionProcessingCallback,
     },
     itertools::Itertools,
     log::warn,
@@ -455,7 +455,7 @@ mod tests {
         super::*,
         crate::{
             transaction_account_state_info::TransactionAccountStateInfo,
-            transaction_processor::TransactionProcessingCallback,
+            transaction_processing_callback::TransactionProcessingCallback,
         },
         nonce::state::Versions as NonceVersions,
         solana_program_runtime::{

svm/src/lib.rs

@@ -8,6 +8,7 @@ pub mod message_processor;
 pub mod runtime_config;
 pub mod transaction_account_state_info;
 pub mod transaction_error_metrics;
+pub mod transaction_processing_callback;
 pub mod transaction_processor;
 pub mod transaction_results;
 

svm/src/transaction_processing_callback.rs

@@ -0,0 +1,38 @@
+use {
+    crate::transaction_error_metrics::TransactionErrorMetrics,
+    solana_program_runtime::loaded_programs::ProgramCacheMatchCriteria,
+    solana_sdk::{
+        account::AccountSharedData, feature_set::FeatureSet, hash::Hash, message::SanitizedMessage,
+        pubkey::Pubkey, rent_collector::RentCollector, transaction,
+    },
+    std::sync::Arc,
+};
+
+/// Runtime callbacks for transaction processing.
+pub trait TransactionProcessingCallback {
+    fn account_matches_owners(&self, account: &Pubkey, owners: &[Pubkey]) -> Option<usize>;
+
+    fn get_account_shared_data(&self, pubkey: &Pubkey) -> Option<AccountSharedData>;
+
+    fn get_last_blockhash_and_lamports_per_signature(&self) -> (Hash, u64);
+
+    fn get_rent_collector(&self) -> &RentCollector;
+
+    fn get_feature_set(&self) -> Arc<FeatureSet>;
+
+    fn check_account_access(
+        &self,
+        _message: &SanitizedMessage,
+        _account_index: usize,
+        _account: &AccountSharedData,
+        _error_counters: &mut TransactionErrorMetrics,
+    ) -> transaction::Result<()> {
+        Ok(())
+    }
+
+    fn get_program_match_criteria(&self, _program: &Pubkey) -> ProgramCacheMatchCriteria {
+        ProgramCacheMatchCriteria::NoCriteria
+    }
+
+    fn add_builtin_account(&self, _name: &str, _program_id: &Pubkey) {}
+}

svm/src/transaction_processor.rs

@@ -8,6 +8,7 @@ use {
         runtime_config::RuntimeConfig,
         transaction_account_state_info::TransactionAccountStateInfo,
         transaction_error_metrics::TransactionErrorMetrics,
+        transaction_processing_callback::TransactionProcessingCallback,
         transaction_results::{
             DurableNonceFee, TransactionExecutionDetails, TransactionExecutionResult,
         },
@@ -34,15 +35,12 @@ use {
         bpf_loader_upgradeable::{self, UpgradeableLoaderState},
         clock::{Epoch, Slot},
         epoch_schedule::EpochSchedule,
-        feature_set::FeatureSet,
         fee::FeeStructure,
-        hash::Hash,
         inner_instruction::{InnerInstruction, InnerInstructionsList},
         instruction::{CompiledInstruction, InstructionError, TRANSACTION_LEVEL_STACK_HEIGHT},
         loader_v4::{self, LoaderV4State, LoaderV4Status},
         message::SanitizedMessage,
         pubkey::Pubkey,
-        rent_collector::RentCollector,
         saturating_add_assign,
         transaction::{self, SanitizedTransaction, TransactionError},
         transaction_context::{ExecutionRecord, TransactionContext},
@@ -84,34 +82,6 @@ impl ExecutionRecordingConfig {
     }
 }
 
-pub trait TransactionProcessingCallback {
-    fn account_matches_owners(&self, account: &Pubkey, owners: &[Pubkey]) -> Option<usize>;
-
-    fn get_account_shared_data(&self, pubkey: &Pubkey) -> Option<AccountSharedData>;
-
-    fn get_last_blockhash_and_lamports_per_signature(&self) -> (Hash, u64);
-
-    fn get_rent_collector(&self) -> &RentCollector;
-
-    fn get_feature_set(&self) -> Arc<FeatureSet>;
-
-    fn check_account_access(
-        &self,
-        _message: &SanitizedMessage,
-        _account_index: usize,
-        _account: &AccountSharedData,
-        _error_counters: &mut TransactionErrorMetrics,
-    ) -> transaction::Result<()> {
-        Ok(())
-    }
-
-    fn get_program_match_criteria(&self, _program: &Pubkey) -> ProgramCacheMatchCriteria {
-        ProgramCacheMatchCriteria::NoCriteria
-    }
-
-    fn add_builtin_account(&self, _name: &str, _program_id: &Pubkey) {}
-}
-
 #[derive(Debug)]
 enum ProgramAccountLoadResult {
     InvalidAccountData(ProgramCacheEntryOwner),
@@ -1032,8 +1002,11 @@ mod tests {
         solana_sdk::{
             account::{create_account_shared_data_for_test, WritableAccount},
             bpf_loader,
+            feature_set::FeatureSet,
             fee_calculator::FeeCalculator,
+            hash::Hash,
             message::{LegacyMessage, Message, MessageHeader},
+            rent_collector::RentCollector,
             rent_debits::RentDebits,
             reserved_account_keys::ReservedAccountKeys,
             signature::{Keypair, Signature},

svm/tests/integration_test.rs

@@ -34,9 +34,8 @@ use {
         account_loader::TransactionCheckResult,
         runtime_config::RuntimeConfig,
         transaction_error_metrics::TransactionErrorMetrics,
-        transaction_processor::{
-            ExecutionRecordingConfig, TransactionBatchProcessor, TransactionProcessingCallback,
-        },
+        transaction_processing_callback::TransactionProcessingCallback,
+        transaction_processor::{ExecutionRecordingConfig, TransactionBatchProcessor},
         transaction_results::TransactionExecutionResult,
     },
     std::{

svm/tests/mock_bank.rs

@@ -7,7 +7,7 @@ use {
         pubkey::Pubkey,
         rent_collector::RentCollector,
     },
-    solana_svm::transaction_processor::TransactionProcessingCallback,
+    solana_svm::transaction_processing_callback::TransactionProcessingCallback,
     std::{cell::RefCell, collections::HashMap, sync::Arc},
 };