From 0a376604c9ce0c588de0d943184380acd7e25db4 Mon Sep 17 00:00:00 2001
From: Maciej Kulawik <mkulawik@offchainlabs.com>
Date: Fri, 23 Aug 2024 16:17:38 +0200
Subject: [PATCH] don't store wasm targets in cachingDB

---
 core/state/database.go | 20 ++++++++++----------
 ethdb/database.go      |  7 +++++--
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/core/state/database.go b/core/state/database.go
index 168d33f51..34a4c355a 100644
--- a/core/state/database.go
+++ b/core/state/database.go
@@ -164,9 +164,9 @@ func NewDatabaseWithConfig(db ethdb.Database, config *triedb.Config) Database {
 	wasmdb, wasmTag := db.WasmDataBase()
 	cdb := &cachingDB{
 		// Arbitrum only
-		activatedAsmCache: lru.NewSizeConstrainedCache[activatedAsmCacheKey, []byte](activatedWasmCacheSize),
-		wasmTag:           wasmTag,
-		wasmTargets:       db.WasmTargets(),
+		activatedAsmCache:    lru.NewSizeConstrainedCache[activatedAsmCacheKey, []byte](activatedWasmCacheSize),
+		wasmTag:              wasmTag,
+		wasmTargetsRetriever: db,
 
 		disk:          db,
 		wasmdb:        wasmdb,
@@ -182,9 +182,9 @@ func NewDatabaseWithNodeDB(db ethdb.Database, triedb *triedb.Database) Database
 	wasmdb, wasmTag := db.WasmDataBase()
 	cdb := &cachingDB{
 		// Arbitrum only
-		activatedAsmCache: lru.NewSizeConstrainedCache[activatedAsmCacheKey, []byte](activatedWasmCacheSize),
-		wasmTag:           wasmTag,
-		wasmTargets:       db.WasmTargets(),
+		activatedAsmCache:    lru.NewSizeConstrainedCache[activatedAsmCacheKey, []byte](activatedWasmCacheSize),
+		wasmTag:              wasmTag,
+		wasmTargetsRetriever: db,
 
 		disk:          db,
 		wasmdb:        wasmdb,
@@ -202,9 +202,9 @@ type activatedAsmCacheKey struct {
 
 type cachingDB struct {
 	// Arbitrum
-	activatedAsmCache *lru.SizeConstrainedCache[activatedAsmCacheKey, []byte]
-	wasmTag           uint32
-	wasmTargets       []ethdb.WasmTarget
+	activatedAsmCache    *lru.SizeConstrainedCache[activatedAsmCacheKey, []byte]
+	wasmTag              uint32
+	wasmTargetsRetriever ethdb.WasmTargetsRetriever
 
 	disk          ethdb.KeyValueStore
 	wasmdb        ethdb.KeyValueStore
@@ -222,7 +222,7 @@ func (db *cachingDB) WasmCacheTag() uint32 {
 }
 
 func (db *cachingDB) WasmTargets() []ethdb.WasmTarget {
-	return db.wasmTargets
+	return db.wasmTargetsRetriever.WasmTargets()
 }
 
 // OpenTrie opens the main account trie at a specific root hash.
diff --git a/ethdb/database.go b/ethdb/database.go
index 08765390e..14b60cc67 100644
--- a/ethdb/database.go
+++ b/ethdb/database.go
@@ -178,10 +178,12 @@ type AncientStore interface {
 	io.Closer
 }
 
-type WasmTarget string
-
 type WasmDataBaseRetriever interface {
 	WasmDataBase() (KeyValueStore, uint32)
+}
+
+type WasmTarget string
+type WasmTargetsRetriever interface {
 	WasmTargets() []WasmTarget
 }
 
@@ -197,4 +199,5 @@ type Database interface {
 	Snapshotter
 	io.Closer
 	WasmDataBaseRetriever
+	WasmTargetsRetriever
 }