mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-12-27 15:42:54 +00:00
core: move System.Binary.* interops to binary/ package
Also extend test suite.
This commit is contained in:
Evgenii Stratonikov
parent
2eb256014e
commit
d136569ac8
5 changed files with 155 additions and 100 deletions
57
pkg/core/interop/binary/encode.go
Normal file
57
pkg/core/interop/binary/encode.go
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@ -0,0 +1,57 @@
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package binary
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import (
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"encoding/base64"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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)
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// Serialize serializes top stack item into a ByteArray.
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func Serialize(ic *interop.Context) error {
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return vm.RuntimeSerialize(ic.VM)
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}
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// Deserialize deserializes ByteArray from a stack into an item.
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func Deserialize(ic *interop.Context) error {
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return vm.RuntimeDeserialize(ic.VM)
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}
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// EncodeBase64 encodes top stack item into a base64 string.
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func EncodeBase64(ic *interop.Context) error {
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src := ic.VM.Estack().Pop().Bytes()
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result := base64.StdEncoding.EncodeToString(src)
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ic.VM.Estack().PushVal([]byte(result))
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return nil
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}
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// DecodeBase64 decodes top stack item from base64 string to byte array.
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func DecodeBase64(ic *interop.Context) error {
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src := ic.VM.Estack().Pop().String()
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result, err := base64.StdEncoding.DecodeString(src)
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if err != nil {
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return err
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}
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ic.VM.Estack().PushVal(result)
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return nil
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}
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// EncodeBase58 encodes top stack item into a base58 string.
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func EncodeBase58(ic *interop.Context) error {
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src := ic.VM.Estack().Pop().Bytes()
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result := base58.Encode(src)
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ic.VM.Estack().PushVal([]byte(result))
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return nil
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}
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// DecodeBase58 decodes top stack item from base58 string to byte array.
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func DecodeBase58(ic *interop.Context) error {
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src := ic.VM.Estack().Pop().String()
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result, err := base58.Decode(src)
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if err != nil {
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return err
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}
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ic.VM.Estack().PushVal(result)
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return nil
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}
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92
pkg/core/interop/binary/encode_test.go
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92
pkg/core/interop/binary/encode_test.go
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@ -0,0 +1,92 @@
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package binary
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import (
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"encoding/base64"
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"math/big"
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"testing"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/stretchr/testify/require"
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)
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func TestRuntimeSerialize(t *testing.T) {
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t.Run("recursive", func(t *testing.T) {
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arr := stackitem.NewArray(nil)
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arr.Append(arr)
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ic := &interop.Context{VM: vm.New()}
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ic.VM.Estack().PushVal(arr)
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require.Error(t, Serialize(ic))
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})
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t.Run("big item", func(t *testing.T) {
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ic := &interop.Context{VM: vm.New()}
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ic.VM.Estack().PushVal(make([]byte, stackitem.MaxSize))
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require.Error(t, Serialize(ic))
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})
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t.Run("good", func(t *testing.T) {
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ic := &interop.Context{VM: vm.New()}
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ic.VM.Estack().PushVal(42)
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require.NoError(t, Serialize(ic))
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w := io.NewBufBinWriter()
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stackitem.EncodeBinaryStackItem(stackitem.Make(42), w.BinWriter)
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require.NoError(t, w.Err)
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encoded := w.Bytes()
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require.Equal(t, encoded, ic.VM.Estack().Pop().Bytes())
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ic.VM.Estack().PushVal(encoded)
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require.NoError(t, Deserialize(ic))
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require.Equal(t, big.NewInt(42), ic.VM.Estack().Pop().BigInt())
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t.Run("bad", func(t *testing.T) {
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encoded[0] ^= 0xFF
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ic.VM.Estack().PushVal(encoded)
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require.Error(t, Deserialize(ic))
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})
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})
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}
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func TestRuntimeEncodeDecode(t *testing.T) {
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original := []byte("my pretty string")
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encoded64 := base64.StdEncoding.EncodeToString(original)
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encoded58 := base58.Encode(original)
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v := vm.New()
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ic := &interop.Context{VM: v}
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t.Run("Encode64", func(t *testing.T) {
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v.Estack().PushVal(original)
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require.NoError(t, EncodeBase64(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, []byte(encoded64), actual)
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})
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t.Run("Encode58", func(t *testing.T) {
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v.Estack().PushVal(original)
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require.NoError(t, EncodeBase58(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, []byte(encoded58), actual)
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})
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t.Run("Decode64/positive", func(t *testing.T) {
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v.Estack().PushVal(encoded64)
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require.NoError(t, DecodeBase64(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, original, actual)
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})
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t.Run("Decode64/error", func(t *testing.T) {
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v.Estack().PushVal(encoded64 + "%")
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require.Error(t, DecodeBase64(ic))
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})
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t.Run("Decode58/positive", func(t *testing.T) {
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v.Estack().PushVal(encoded58)
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require.NoError(t, DecodeBase58(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, original, actual)
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})
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t.Run("Decode58/error", func(t *testing.T) {
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v.Estack().PushVal(encoded58 + "%")
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require.Error(t, DecodeBase58(ic))
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})
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}
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@ -2,14 +2,12 @@ package core
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"math"
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"sort"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/contract"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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@ -193,51 +191,3 @@ func callDeploy(ic *interop.Context, cs *state.Contract, isUpdate bool) error {
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}
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return nil
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}
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// runtimeSerialize serializes top stack item into a ByteArray.
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func runtimeSerialize(ic *interop.Context) error {
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return vm.RuntimeSerialize(ic.VM)
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}
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// runtimeDeserialize deserializes ByteArray from a stack into an item.
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func runtimeDeserialize(ic *interop.Context) error {
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return vm.RuntimeDeserialize(ic.VM)
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}
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// runtimeEncodeBase64 encodes top stack item into a base64 string.
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func runtimeEncodeBase64(ic *interop.Context) error {
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src := ic.VM.Estack().Pop().Bytes()
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result := base64.StdEncoding.EncodeToString(src)
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ic.VM.Estack().PushVal([]byte(result))
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return nil
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}
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// runtimeDecodeBase64 decodes top stack item from base64 string to byte array.
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func runtimeDecodeBase64(ic *interop.Context) error {
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src := ic.VM.Estack().Pop().String()
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result, err := base64.StdEncoding.DecodeString(src)
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if err != nil {
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return err
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}
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ic.VM.Estack().PushVal(result)
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return nil
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}
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// runtimeEncodeBase58 encodes top stack item into a base58 string.
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func runtimeEncodeBase58(ic *interop.Context) error {
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src := ic.VM.Estack().Pop().Bytes()
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result := base58.Encode(src)
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ic.VM.Estack().PushVal([]byte(result))
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return nil
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}
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// runtimeDecodeBase58 decodes top stack item from base58 string to byte array.
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func runtimeDecodeBase58(ic *interop.Context) error {
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src := ic.VM.Estack().Pop().String()
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result, err := base58.Decode(src)
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if err != nil {
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return err
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}
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ic.VM.Estack().PushVal(result)
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return nil
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}
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@ -1,11 +1,9 @@
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package core
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import (
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"encoding/base64"
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"fmt"
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"testing"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/dao"
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@ -213,48 +211,6 @@ func TestECDSAVerify(t *testing.T) {
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})
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}
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func TestRuntimeEncodeDecode(t *testing.T) {
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original := []byte("my pretty string")
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encoded64 := base64.StdEncoding.EncodeToString(original)
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encoded58 := base58.Encode(original)
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v, ic, bc := createVM(t)
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defer bc.Close()
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t.Run("Encode64", func(t *testing.T) {
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v.Estack().PushVal(original)
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require.NoError(t, runtimeEncodeBase64(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, []byte(encoded64), actual)
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})
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t.Run("Encode58", func(t *testing.T) {
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v.Estack().PushVal(original)
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require.NoError(t, runtimeEncodeBase58(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, []byte(encoded58), actual)
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})
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t.Run("Decode64/positive", func(t *testing.T) {
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v.Estack().PushVal(encoded64)
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require.NoError(t, runtimeDecodeBase64(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, original, actual)
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})
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t.Run("Decode64/error", func(t *testing.T) {
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v.Estack().PushVal(encoded64 + "%")
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require.Error(t, runtimeDecodeBase64(ic))
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})
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t.Run("Decode58/positive", func(t *testing.T) {
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v.Estack().PushVal(encoded58)
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require.NoError(t, runtimeDecodeBase58(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, original, actual)
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})
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t.Run("Decode58/error", func(t *testing.T) {
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v.Estack().PushVal(encoded58 + "%")
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require.Error(t, runtimeDecodeBase58(ic))
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})
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}
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// Helper functions to create VM, InteropContext, TX, Account, Contract.
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func createVM(t *testing.T) (*vm.VM, *interop.Context, *Blockchain) {
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@ -34,13 +34,13 @@ func SpawnVM(ic *interop.Context) *vm.VM {
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// All lists are sorted, keep 'em this way, please.
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var systemInterops = []interop.Function{
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{Name: interopnames.SystemBinaryAtoi, Func: binary.Atoi, Price: 100000, ParamCount: 2},
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{Name: interopnames.SystemBinaryBase58Decode, Func: runtimeDecodeBase58, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinaryBase58Encode, Func: runtimeEncodeBase58, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinaryBase64Decode, Func: runtimeDecodeBase64, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinaryBase64Encode, Func: runtimeEncodeBase64, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinaryDeserialize, Func: runtimeDeserialize, Price: 500000, ParamCount: 1},
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{Name: interopnames.SystemBinaryBase58Decode, Func: binary.DecodeBase58, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinaryBase58Encode, Func: binary.EncodeBase58, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinaryBase64Decode, Func: binary.DecodeBase64, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinaryBase64Encode, Func: binary.EncodeBase64, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinaryDeserialize, Func: binary.Deserialize, Price: 500000, ParamCount: 1},
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{Name: interopnames.SystemBinaryItoa, Func: binary.Itoa, Price: 100000, ParamCount: 2},
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{Name: interopnames.SystemBinarySerialize, Func: runtimeSerialize, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBinarySerialize, Func: binary.Serialize, Price: 100000, ParamCount: 1},
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{Name: interopnames.SystemBlockchainGetBlock, Func: bcGetBlock, Price: 2500000,
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RequiredFlags: smartcontract.AllowStates, ParamCount: 1},
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{Name: interopnames.SystemBlockchainGetContract, Func: bcGetContract, Price: 1000000,
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