use verdb in accepted and metadb (#1375)

Co-authored-by: Darioush Jalali <[email protected]>

plugin/evm/vm.go

@@ -1279,8 +1279,8 @@ func (vm *VM) initializeDBs(avaDB database.Database) error {
 	// remains the same regardless of the provided baseDB type.
 	vm.chaindb = rawdb.NewDatabase(Database{prefixdb.NewNested(ethDBPrefix, db)})
 	vm.db = versiondb.New(db)
-	vm.acceptedBlockDB = prefixdb.New(acceptedPrefix, db)
-	vm.metadataDB = prefixdb.New(metadataPrefix, db)
+	vm.acceptedBlockDB = prefixdb.New(acceptedPrefix, vm.db)
+	vm.metadataDB = prefixdb.New(metadataPrefix, vm.db)
 	// Note warpDB is not part of versiondb because it is not necessary
 	// that warp signatures are committed to the database atomically with
 	// the last accepted block.

plugin/evm/vm_test.go

@@ -189,8 +189,10 @@ func setupGenesis(
 	genesisBytes := buildGenesisTest(t, genesisJSON)
 	ctx := NewContext()
 
+	baseDB := memdb.New()
+
 	// initialize the atomic memory
-	atomicMemory := atomic.NewMemory(prefixdb.New([]byte{0}, memdb.New()))
+	atomicMemory := atomic.NewMemory(prefixdb.New([]byte{0}, baseDB))
 	ctx.SharedMemory = atomicMemory.NewSharedMemory(ctx.ChainID)
 
 	// NB: this lock is intentionally left locked when this function returns.
@@ -204,7 +206,8 @@ func setupGenesis(
 	ctx.Keystore = userKeystore.NewBlockchainKeyStore(ctx.ChainID)
 
 	issuer := make(chan commonEng.Message, 1)
-	return ctx, memdb.New(), genesisBytes, issuer, atomicMemory
+	prefixedDB := prefixdb.New([]byte{1}, baseDB)
+	return ctx, prefixedDB, genesisBytes, issuer, atomicMemory
 }
 
 // GenesisVM creates a VM instance with the genesis test bytes and returns