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stackitem: make ByteArray an alias to []byte

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Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgeniy Stratonikov 2021-08-13 12:13:10 +03:00
parent 4f98ec2f53
commit 1dfef4ba26
2 changed files with 26 additions and 33 deletions
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45
pkg/vm/stackitem/item.go
View file

@ -101,13 +101,9 @@ func Make(v interface{}) Item {
case uint64:
return (*BigInteger)(new(big.Int).SetUint64(val))
case []byte:
return &ByteArray{
value: val,
}
return NewByteArray(val)
case string:
return &ByteArray{
value: []byte(val),
}
return NewByteArray([]byte(val))
case bool:
return Bool(val)
case []Item:
@ -538,25 +534,21 @@ func (i Bool) Convert(typ Type) (Item, error) {
}
// ByteArray represents a byte array on the stack.
type ByteArray struct {
value []byte
}
type ByteArray []byte
// NewByteArray returns an new ByteArray object.
func NewByteArray(b []byte) *ByteArray {
return &ByteArray{
value: b,
}
return (*ByteArray)(&b)
}
// Value implements Item interface.
func (i *ByteArray) Value() interface{} {
return i.value
return []byte(*i)
}
// MarshalJSON implements the json.Marshaler interface.
func (i *ByteArray) MarshalJSON() ([]byte, error) {
return json.Marshal(hex.EncodeToString(i.value))
return json.Marshal(hex.EncodeToString(*i))
}
func (i *ByteArray) String() string {
@ -565,10 +557,10 @@ func (i *ByteArray) String() string {
// TryBool implements Item interface.
func (i *ByteArray) TryBool() (bool, error) {
if len(i.value) > MaxBigIntegerSizeBits/8 {
if len(*i) > MaxBigIntegerSizeBits/8 {
return false, errTooBigInteger
}
for _, b := range i.value {
for _, b := range *i {
if b != 0 {
return true, nil
}
@ -577,21 +569,21 @@ func (i *ByteArray) TryBool() (bool, error) {
}
// TryBytes implements Item interface.
func (i *ByteArray) TryBytes() ([]byte, error) {
return i.value, nil
func (i ByteArray) TryBytes() ([]byte, error) {
return i, nil
}
// TryInteger implements Item interface.
func (i *ByteArray) TryInteger() (*big.Int, error) {
if len(i.value) > MaxBigIntegerSizeBits/8 {
func (i ByteArray) TryInteger() (*big.Int, error) {
if len(i) > MaxBigIntegerSizeBits/8 {
return nil, errTooBigInteger
}
return bigint.FromBytes(i.value), nil
return bigint.FromBytes(i), nil
}
// Equals implements Item interface.
func (i *ByteArray) Equals(s Item) bool {
if len(i.value) > MaxByteArrayComparableSize {
if len(*i) > MaxByteArrayComparableSize {
panic(errTooBigComparable)
}
if i == s {
@ -603,15 +595,16 @@ func (i *ByteArray) Equals(s Item) bool {
if !ok {
return false
}
if len(val.value) > MaxByteArrayComparableSize {
if len(*val) > MaxByteArrayComparableSize {
panic(errTooBigComparable)
}
return bytes.Equal(i.value, val.value)
return bytes.Equal(*i, *val)
}
// Dup implements Item interface.
func (i *ByteArray) Dup() Item {
return &ByteArray{slice.Copy(i.value)}
ba := slice.Copy(*i)
return (*ByteArray)(&ba)
}
// Type implements Item interface.
@ -1146,7 +1139,7 @@ func deepCopy(item Item, seen map[Item]Item) Item {
bi := new(big.Int).Set(it.Big())
return (*BigInteger)(bi)
case *ByteArray:
return NewByteArray(slice.Copy(it.value))
return NewByteArray(slice.Copy(*it))
case *Buffer:
return NewBuffer(slice.Copy(it.value))
case Bool:

14
pkg/vm/stackitem/item_test.go
View file

@ -47,19 +47,19 @@ var makeStackItemTestCases = []struct {
},
{
input: []byte{1, 2, 3, 4},
result: &ByteArray{value: []byte{1, 2, 3, 4}},
result: NewByteArray([]byte{1, 2, 3, 4}),
},
{
input: []byte{},
result: &ByteArray{value: []byte{}},
result: NewByteArray([]byte{}),
},
{
input: "bla",
result: &ByteArray{value: []byte("bla")},
result: NewByteArray([]byte("bla")),
},
{
input: "",
result: &ByteArray{value: []byte{}},
result: NewByteArray([]byte{}),
},
{
input: true,
@ -70,8 +70,8 @@ var makeStackItemTestCases = []struct {
result: Bool(false),
},
{
input: []Item{(*BigInteger)(big.NewInt(3)), &ByteArray{value: []byte{1, 2, 3}}},
result: &Array{value: []Item{(*BigInteger)(big.NewInt(3)), &ByteArray{value: []byte{1, 2, 3}}}},
input: []Item{(*BigInteger)(big.NewInt(3)), NewByteArray([]byte{1, 2, 3})},
result: &Array{value: []Item{(*BigInteger)(big.NewInt(3)), NewByteArray([]byte{1, 2, 3})}},
},
{
input: []int{1, 2, 3},
@ -441,7 +441,7 @@ var marshalJSONTestCases = []struct {
result: []byte(`"010203"`),
},
{
input: &Array{value: []Item{(*BigInteger)(big.NewInt(3)), &ByteArray{value: []byte{1, 2, 3}}}},
input: &Array{value: []Item{(*BigInteger)(big.NewInt(3)), NewByteArray([]byte{1, 2, 3})}},
result: []byte(`[3,"010203"]`),
},
{