From a2d5a60418e70ce56112381dffdd121cc678a1b6 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Tue, 18 Aug 2015 14:14:45 +0200
Subject: core, core/state: batch-based state sync

---
 tests/block_test_util.go | 12 ++++++------
 tests/state_test_util.go |  8 ++++----
 2 files changed, 10 insertions(+), 10 deletions(-)

(limited to 'tests')

diff --git a/tests/block_test_util.go b/tests/block_test_util.go
index 3ca00bae8..33577cf55 100644
--- a/tests/block_test_util.go
+++ b/tests/block_test_util.go
@@ -253,13 +253,13 @@ func (t *BlockTest) InsertPreState(ethereum *eth.Ethereum) (*state.StateDB, erro
 			statedb.SetState(common.HexToAddress(addrString), common.HexToHash(k), common.HexToHash(v))
 		}
 	}
-	// sync objects to trie
-	statedb.SyncObjects()
-	// sync trie to disk
-	statedb.Sync()
 
-	if !bytes.Equal(t.Genesis.Root().Bytes(), statedb.Root().Bytes()) {
-		return nil, fmt.Errorf("computed state root does not match genesis block %x %x", t.Genesis.Root().Bytes()[:4], statedb.Root().Bytes()[:4])
+	root, err := statedb.Commit()
+	if err != nil {
+		return nil, fmt.Errorf("error writing state: %v", err)
+	}
+	if t.Genesis.Root() != root {
+		return nil, fmt.Errorf("computed state root does not match genesis block: genesis=%x computed=%x", t.Genesis.Root().Bytes()[:4], root.Bytes()[:4])
 	}
 	return statedb, nil
 }
diff --git a/tests/state_test_util.go b/tests/state_test_util.go
index 086822461..669e90a1e 100644
--- a/tests/state_test_util.go
+++ b/tests/state_test_util.go
@@ -200,9 +200,9 @@ func runStateTest(test VmTest) error {
 		}
 	}
 
-	statedb.Sync()
-	if common.HexToHash(test.PostStateRoot) != statedb.Root() {
-		return fmt.Errorf("Post state root error. Expected %s, got %x", test.PostStateRoot, statedb.Root())
+	root, _ := statedb.Commit()
+	if common.HexToHash(test.PostStateRoot) != root {
+		return fmt.Errorf("Post state root error. Expected %s, got %x", test.PostStateRoot, root)
 	}
 
 	// check logs
@@ -246,7 +246,7 @@ func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.
 	if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) {
 		statedb.Set(snapshot)
 	}
-	statedb.SyncObjects()
+	statedb.Commit()
 
 	return ret, vmenv.state.Logs(), vmenv.Gas, err
 }
-- 
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