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Merge pull request #808 from nspcc-dev/fix-map-serialization

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vm: make map serialization more compatible with C#
This commit is contained in:
Roman Khimov 2020-03-29 13:40:52 +03:00 committed by GitHub
commit 0d482ceb7f
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2 changed files with 16 additions and 2 deletions
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4
pkg/vm/serialization.go
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@ -74,8 +74,8 @@ func serializeItemTo(item StackItem, w *io.BinWriter, seen map[StackItem]bool) {
w.WriteBytes([]byte{byte(mapT)})
w.WriteVarUint(uint64(len(t.value)))
for k, v := range t.value {
serializeItemTo(v, w, seen)
serializeItemTo(makeStackItem(k), w, seen)
serializeItemTo(v, w, seen)
}
}
}
@ -128,8 +128,8 @@ func DecodeBinaryStackItem(r *io.BinReader) StackItem {
size := int(r.ReadVarUint())
m := NewMapItem()
for i := 0; i < size; i++ {
value := DecodeBinaryStackItem(r)
key := DecodeBinaryStackItem(r)
value := DecodeBinaryStackItem(r)
if r.Err != nil {
break
}

14
pkg/vm/vm_test.go
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@ -678,6 +678,20 @@ func TestSerializeMap(t *testing.T) {
require.Equal(t, item.value, vm.estack.Top().value.(*MapItem).value)
}
func TestSerializeMapCompat(t *testing.T) {
// Create a map, push key and value, add KV to map, serialize.
progHex := "c776036b65790576616c7565c468154e656f2e52756e74696d652e53657269616c697a65"
resHex := "820100036b6579000576616c7565"
prog, err := hex.DecodeString(progHex)
require.NoError(t, err)
res, err := hex.DecodeString(resHex)
require.NoError(t, err)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, res, vm.estack.Pop().Bytes())
}
func TestSerializeInterop(t *testing.T) {
vm := load(getSerializeProg())
item := NewInteropItem("kek")