fix the first half of verkle test

core/genesis.go

@@ -121,13 +121,13 @@ func (ga *GenesisAlloc) UnmarshalJSON(data []byte) error {
 }
 
 // deriveHash computes the state root according to the genesis specification.
-func (ga *GenesisAlloc) deriveHash(cfg *params.ChainConfig) (common.Hash, error) {
+func (ga *GenesisAlloc) deriveHash(cfg *params.ChainConfig, timestamp uint64) (common.Hash, error) {
 	// Create an ephemeral in-memory database for computing hash,
 	// all the derived states will be discarded to not pollute disk.
 	db := state.NewDatabase(rawdb.NewMemoryDatabase())
 	// XXX check this is the case
 	// TODO remove the nil config check once we have rebased, it should never be nil
-	if cfg != nil && cfg.IsCancun(big.NewInt(int64(0)), 0 /* XXX */) {
+	if cfg != nil && cfg.IsCancun(big.NewInt(int64(0)), timestamp) {
 		db.EndVerkleTransition()
 	}
 	statedb, err := state.New(types.EmptyRootHash, db, nil)
@@ -155,7 +155,7 @@ func (ga *GenesisAlloc) flush(db ethdb.Database, triedb *trie.Database, blockhas
 	}
 
 	// End the verkle conversion at genesis if the fork block is 0
-	if cfg != nil && cfg.IsCancun(big.NewInt(int64(0)), 0 /* XXX */) {
+	if triedb.IsVerkle() {
 		statedb.Database().EndVerkleTransition()
 	}
 
@@ -456,7 +456,7 @@ func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
 
 // ToBlock returns the genesis block according to genesis specification.
 func (g *Genesis) ToBlock() *types.Block {
-	root, err := g.Alloc.deriveHash(g.Config)
+	root, err := g.Alloc.deriveHash(g.Config, g.Timestamp)
 	if err != nil {
 		panic(err)
 	}
@@ -547,7 +547,8 @@ func (g *Genesis) Commit(db ethdb.Database, triedb *trie.Database) (*types.Block
 // Note the state changes will be committed in hash-based scheme, use Commit
 // if path-scheme is preferred.
 func (g *Genesis) MustCommit(db ethdb.Database) *types.Block {
-	block, err := g.Commit(db, trie.NewDatabase(db))
+	triedb := trie.NewDatabaseWithConfig(db, &trie.Config{Verkle: g.Config != nil && g.Config.IsCancun(big.NewInt(int64(g.Number)), g.Timestamp)})
+	block, err := g.Commit(db, triedb)
 	if err != nil {
 		panic(err)
 	}

core/genesis_test.go

@@ -219,7 +219,7 @@ func TestReadWriteGenesisAlloc(t *testing.T) {
 			{1}: {Balance: big.NewInt(1), Storage: map[common.Hash]common.Hash{{1}: {1}}},
 			{2}: {Balance: big.NewInt(2), Storage: map[common.Hash]common.Hash{{2}: {2}}},
 		}
-		hash, _ = alloc.deriveHash(&params.ChainConfig{})
+		hash, _ = alloc.deriveHash(&params.ChainConfig{}, 0)
 	)
 	blob, _ := json.Marshal(alloc)
 	rawdb.WriteGenesisStateSpec(db, hash, blob)

core/state/database.go

@@ -195,6 +195,7 @@ func NewDatabaseWithNodeDB(db ethdb.Database, triedb *trie.Database) Database {
 		codeCache:     lru.NewSizeConstrainedCache[common.Hash, []byte](codeCacheSize),
 		triedb:        triedb,
 		addrToPoint:   utils.NewPointCache(),
+		ended:         triedb.IsVerkle(),
 	}
 }
 
@@ -313,8 +314,16 @@ func (db *cachingDB) OpenTrie(root common.Hash) (Trie, error) {
 		err error
 	)
 
-	if db.started {
+	// TODO separate both cases when I can be certain that it won't
-		vkt, err := db.openVKTrie(db.getTranslation(root))
+	// find a Verkle trie where is expects a Transitoion trie.
+	if db.started || db.ended {
+		var r common.Hash
+		if db.ended {
+			r = root
+		} else {
+			r = db.getTranslation(root)
+		}
+		vkt, err := db.openVKTrie(r)
 		if err != nil {
 			return nil, err
 		}

core/state/statedb.go

@@ -175,19 +175,19 @@ func New(root common.Hash, db Database, snaps *snapshot.Tree) (*StateDB, error)
 	}
 	if tr.IsVerkle() {
 		sdb.witness = NewAccessWitness(sdb)
-		if sdb.snaps == nil {
+		// if sdb.snaps == nil {
-			snapconfig := snapshot.Config{
+		// snapconfig := snapshot.Config{
-				CacheSize:  256,
+		// 	CacheSize:  256,
-				Recovery:   false,
+		// 	Recovery:   false,
-				NoBuild:    false,
+		// 	NoBuild:    false,
-				AsyncBuild: false,
+		// 	AsyncBuild: false,
-				Verkle:     true,
+		// 	Verkle:     true,
-			}
+		// }
-			sdb.snaps, err = snapshot.New(snapconfig, db.DiskDB(), db.TrieDB(), root)
+		// sdb.snaps, err = snapshot.New(snapconfig, db.DiskDB(), db.TrieDB(), root)
-			if err != nil {
+		// if err != nil {
-				return nil, err
+		// 	return nil, err
-			}
+		// }
-		}
+		// }
 	}
 	if sdb.snaps != nil {
 		if sdb.snap = sdb.snaps.Snapshot(root); sdb.snap == nil {

trie/database.go

@@ -33,6 +33,7 @@ type Config struct {
 	Cache     int            // Memory allowance (MB) to use for caching trie nodes in memory
 	Preimages bool           // Flag whether the preimage of trie key is recorded
 	PathDB    *pathdb.Config // Configs for experimental path-based scheme, not used yet.
+	Verkle    bool
 
 	// Testing hooks
 	OnCommit func(states *triestate.Set) // Hook invoked when commit is performed
@@ -279,3 +280,7 @@ func (db *Database) ClearStorageRootConversion(addr common.Address) {
 	defer db.addrToRootLock.Unlock()
 	delete(db.addrToRoot, addr)
 }
+
+func (db *Database) IsVerkle() bool {
+	return db.config != nil && db.config.Verkle
+}