Event V2 Translation

api/src/context.rs

@@ -30,7 +30,7 @@ use aptos_types::{
     account_address::AccountAddress,
     account_config::{AccountResource, NewBlockEvent},
     chain_id::ChainId,
-    contract_event::EventWithVersion,
+    contract_event::{ContractEvent, EventWithVersion},
     event::EventKey,
     indexer::indexer_db_reader::IndexerReader,
     ledger_info::LedgerInfoWithSignatures,
@@ -818,12 +818,17 @@ impl Context {
             .into_iter()
             .zip(infos)
             .enumerate()
-            .map(|(i, ((txn, txn_output), info))| {
-                let version = start_version + i as u64;
-                let (write_set, events, _, _, _) = txn_output.unpack();
-                self.get_accumulator_root_hash(version)
-                    .map(|h| (version, txn, info, events, h, write_set).into())
-            })
+            .map(
+                |(i, ((txn, txn_output), info))| -> Result<TransactionOnChainData> {
+                    let version = start_version + i as u64;
+                    let (write_set, mut events, _, _, _) = txn_output.unpack();
+                    if self.node_config.indexer_db_config.enable_event_translation {
+                        let _ = self.translate_v2_to_v1_events_for_version(version, &mut events);
+                    }
+                    let h = self.get_accumulator_root_hash(version)?;
+                    Ok((version, txn, info, events, h, write_set).into())
+                },
+            )
             .collect()
     }
 
@@ -878,7 +883,14 @@ impl Context {
             })?;
         txns.into_inner()
             .into_iter()
-            .map(|t| self.convert_into_transaction_on_chain_data(t))
+            .map(|t| -> Result<TransactionOnChainData> {
+                let mut txn = self.convert_into_transaction_on_chain_data(t)?;
+                if self.node_config.indexer_db_config.enable_event_translation {
+                    let _ =
+                        self.translate_v2_to_v1_events_for_version(txn.version, &mut txn.events);
+                }
+                Ok(txn)
+            })
             .collect::<Result<Vec<_>>>()
             .context("Failed to parse account transactions")
             .map_err(|err| E::internal_with_code(err, AptosErrorCode::InternalError, ledger_info))
@@ -889,10 +901,18 @@ impl Context {
         hash: HashValue,
         ledger_version: u64,
     ) -> Result<Option<TransactionOnChainData>> {
-        self.db
+        if let Some(t) = self
+            .db
             .get_transaction_by_hash(hash, ledger_version, true)?
-            .map(|t| self.convert_into_transaction_on_chain_data(t))
-            .transpose()
+        {
+            let mut txn: TransactionOnChainData = self.convert_into_transaction_on_chain_data(t)?;
+            if self.node_config.indexer_db_config.enable_event_translation {
+                let _ = self.translate_v2_to_v1_events_for_version(txn.version, &mut txn.events);
+            }
+            Ok(Some(txn))
+        } else {
+            Ok(None)
+        }
     }
 
     pub async fn get_pending_transaction_by_hash(
@@ -915,11 +935,32 @@ impl Context {
         version: u64,
         ledger_version: u64,
     ) -> Result<TransactionOnChainData> {
-        self.convert_into_transaction_on_chain_data(self.db.get_transaction_by_version(
-            version,
-            ledger_version,
-            true,
-        )?)
+        let mut txn = self.convert_into_transaction_on_chain_data(
+            self.db
+                .get_transaction_by_version(version, ledger_version, true)?,
+        )?;
+        if self.node_config.indexer_db_config.enable_event_translation {
+            let _ = self.translate_v2_to_v1_events_for_version(version, &mut txn.events);
+        }
+        Ok(txn)
+    }
+
+    fn translate_v2_to_v1_events_for_version(
+        &self,
+        version: u64,
+        events: &mut [ContractEvent],
+    ) -> Result<()> {
+        for (idx, event) in events.iter_mut().enumerate() {
+            let translated_event = self
+                .indexer_reader
+                .as_ref()
+                .ok_or(anyhow!("Internal indexer reader doesn't exist"))?
+                .get_translated_v1_event_by_version_and_index(version, idx as u64);
+            if let Ok(translated_event) = translated_event {
+                *event = ContractEvent::V1(translated_event);
+            }
+        }
+        Ok(())
     }
 
     pub fn get_accumulator_root_hash(&self, version: u64) -> Result<HashValue> {

api/src/tests/mod.rs

@@ -36,7 +36,7 @@ fn new_test_context_with_config(test_name: String, node_config: NodeConfig) -> T
 fn new_test_context_with_db_sharding_and_internal_indexer(test_name: String) -> TestContext {
     let mut node_config = NodeConfig::default();
     node_config.storage.rocksdb_configs.enable_storage_sharding = true;
-    node_config.indexer_db_config = InternalIndexerDBConfig::new(true, true, true, 10);
+    node_config.indexer_db_config = InternalIndexerDBConfig::new(true, true, true, true, 10);
     let test_context = super_new_test_context(test_name, node_config, false, None);
     let _ = test_context
         .get_indexer_reader()
@@ -51,6 +51,6 @@ fn new_test_context_with_sharding_and_delayed_internal_indexer(
 ) -> TestContext {
     let mut node_config = NodeConfig::default();
     node_config.storage.rocksdb_configs.enable_storage_sharding = true;
-    node_config.indexer_db_config = InternalIndexerDBConfig::new(true, true, true, 1);
+    node_config.indexer_db_config = InternalIndexerDBConfig::new(true, true, true, true, 1);
     super_new_test_context(test_name, node_config, false, end_version)
 }

config/src/config/internal_indexer_db_config.rs

@@ -12,6 +12,7 @@ use serde::{Deserialize, Serialize};
 pub struct InternalIndexerDBConfig {
     pub enable_transaction: bool,
     pub enable_event: bool,
+    pub enable_event_translation: bool,
     pub enable_statekeys: bool,
     pub batch_size: usize,
 }
@@ -20,12 +21,14 @@ impl InternalIndexerDBConfig {
     pub fn new(
         enable_transaction: bool,
         enable_event: bool,
+        enable_event_translation: bool,
         enable_statekeys: bool,
         batch_size: usize,
     ) -> Self {
         Self {
             enable_transaction,
             enable_event,
+            enable_event_translation,
             enable_statekeys,
             batch_size,
         }
@@ -39,6 +42,10 @@ impl InternalIndexerDBConfig {
         self.enable_event
     }
 
+    pub fn enable_event_translation(&self) -> bool {
+        self.enable_event_translation
+    }
+
     pub fn enable_statekeys(&self) -> bool {
         self.enable_statekeys
     }
@@ -57,6 +64,7 @@ impl Default for InternalIndexerDBConfig {
         Self {
             enable_transaction: false,
             enable_event: false,
+            enable_event_translation: false,
             enable_statekeys: false,
             batch_size: 10_000,
         }

ecosystem/indexer-grpc/indexer-grpc-table-info/src/internal_indexer_db_service.rs

@@ -51,7 +51,8 @@ impl InternalIndexerDBService {
                 .expect("Failed to open internal indexer db"),
         );
 
-        let internal_indexer_db_config = InternalIndexerDBConfig::new(false, false, true, 10_000);
+        let internal_indexer_db_config =
+            InternalIndexerDBConfig::new(false, false, false, true, 10_000);
         Some(InternalIndexerDB::new(arc_db, internal_indexer_db_config))
     }
 

storage/aptosdb/src/event_store/mod.rs

@@ -19,13 +19,14 @@ use aptos_crypto::{
 };
 use aptos_db_indexer_schemas::schema::{
     event_by_key::EventByKeySchema, event_by_version::EventByVersionSchema,
+    translated_v1_event::TranslatedV1EventSchema,
 };
 use aptos_schemadb::{iterator::SchemaIterator, schema::ValueCodec, ReadOptions, SchemaBatch, DB};
 use aptos_storage_interface::{db_ensure as ensure, db_other_bail, AptosDbError, Result};
 use aptos_types::{
     account_address::AccountAddress,
     account_config::{new_block_event_key, NewBlockEvent},
-    contract_event::ContractEvent,
+    contract_event::{ContractEvent, ContractEventV1},
     event::EventKey,
     proof::position::Position,
     transaction::Version,

storage/aptosdb/src/state_store/mod.rs

@@ -107,7 +107,7 @@ pub(crate) struct StateStore {
     buffered_state: Mutex<BufferedState>,
     buffered_state_target_items: usize,
     smt_ancestors: Mutex<SmtAncestors<StateValue>>,
-    internal_indexer_db: Option<InternalIndexerDB>,
+    pub internal_indexer_db: Option<InternalIndexerDB>,
 }
 
 impl Deref for StateStore {