// NewLockBasedTxMgr constructs a new instance of NewLockBasedTxMgr
func NewLockBasedTxMgr(db statedb.VersionedDB) *LockBasedTxMgr {
db.Open()
return &LockBasedTxMgr{db: db, validator: statebasedval.NewValidator(db)}
}
// TestDeletes tests deteles
func TestDeletes(t *testing.T, db statedb.VersionedDB) {
db.Open()
defer db.Close()
batch := statedb.NewUpdateBatch()
vv1 := statedb.VersionedValue{Value: []byte("value1"), Version: version.NewHeight(1, 1)}
vv2 := statedb.VersionedValue{Value: []byte("value2"), Version: version.NewHeight(1, 2)}
vv3 := statedb.VersionedValue{Value: []byte("value1"), Version: version.NewHeight(1, 3)}
vv4 := statedb.VersionedValue{Value: []byte("value2"), Version: version.NewHeight(1, 4)}
batch.Put("ns", "key1", vv1.Value, vv1.Version)
batch.Put("ns", "key2", vv2.Value, vv2.Version)
batch.Put("ns", "key3", vv2.Value, vv3.Version)
batch.Put("ns", "key4", vv2.Value, vv4.Version)
batch.Delete("ns", "key3", version.NewHeight(1, 5))
savePoint := version.NewHeight(1, 5)
err := db.ApplyUpdates(batch, savePoint)
testutil.AssertNoError(t, err, "")
vv, _ := db.GetState("ns", "key2")
testutil.AssertEquals(t, vv, &vv2)
vv, err = db.GetState("ns", "key3")
testutil.AssertNoError(t, err, "")
testutil.AssertNil(t, vv)
batch = statedb.NewUpdateBatch()
batch.Delete("ns", "key2", version.NewHeight(1, 6))
err = db.ApplyUpdates(batch, savePoint)
testutil.AssertNoError(t, err, "")
vv, err = db.GetState("ns", "key2")
testutil.AssertNoError(t, err, "")
testutil.AssertNil(t, vv)
}
// TestIterator tests the iterator
func TestIterator(t *testing.T, db statedb.VersionedDB) {
db.Open()
defer db.Close()
batch := statedb.NewUpdateBatch()
batch.Put("ns1", "key1", []byte("value1"), version.NewHeight(1, 1))
batch.Put("ns1", "key2", []byte("value2"), version.NewHeight(1, 2))
batch.Put("ns1", "key3", []byte("value3"), version.NewHeight(1, 3))
batch.Put("ns1", "key4", []byte("value4"), version.NewHeight(1, 4))
batch.Put("ns2", "key5", []byte("value5"), version.NewHeight(1, 5))
batch.Put("ns2", "key6", []byte("value6"), version.NewHeight(1, 6))
batch.Put("ns3", "key7", []byte("value7"), version.NewHeight(1, 7))
savePoint := version.NewHeight(2, 5)
db.ApplyUpdates(batch, savePoint)
itr1, _ := db.GetStateRangeScanIterator("ns1", "key1", "")
testItr(t, itr1, []string{"key1", "key2", "key3", "key4"})
itr2, _ := db.GetStateRangeScanIterator("ns1", "key2", "key3")
testItr(t, itr2, []string{"key2"})
itr3, _ := db.GetStateRangeScanIterator("ns1", "", "")
testItr(t, itr3, []string{"key1", "key2", "key3", "key4"})
itr4, _ := db.GetStateRangeScanIterator("ns2", "", "")
testItr(t, itr4, []string{"key5", "key6"})
}
// TestBasicRW tests basic read-write
func TestBasicRW(t *testing.T, db statedb.VersionedDB) {
db.Open()
defer db.Close()
val, err := db.GetState("ns", "key1")
testutil.AssertNoError(t, err, "")
testutil.AssertNil(t, val)
batch := statedb.NewUpdateBatch()
vv1 := statedb.VersionedValue{Value: []byte("value1"), Version: version.NewHeight(1, 1)}
vv2 := statedb.VersionedValue{Value: []byte("value2"), Version: version.NewHeight(1, 2)}
vv3 := statedb.VersionedValue{Value: []byte("value3"), Version: version.NewHeight(1, 3)}
vv4 := statedb.VersionedValue{Value: []byte{}, Version: version.NewHeight(1, 4)}
batch.Put("ns1", "key1", vv1.Value, vv1.Version)
batch.Put("ns1", "key2", vv2.Value, vv2.Version)
batch.Put("ns2", "key3", vv3.Value, vv3.Version)
batch.Put("ns2", "key4", vv4.Value, vv4.Version)
savePoint := version.NewHeight(2, 5)
db.ApplyUpdates(batch, savePoint)
vv, _ := db.GetState("ns1", "key1")
testutil.AssertEquals(t, vv, &vv1)
vv, _ = db.GetState("ns2", "key4")
testutil.AssertEquals(t, vv, &vv4)
sp, err := db.GetLatestSavePoint()
testutil.AssertNoError(t, err, "")
testutil.AssertEquals(t, sp, savePoint)
}