mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-25 03:47:18 +00:00
349 lines
10 KiB
Go
349 lines
10 KiB
Go
package transaction
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import (
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"encoding/json"
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"errors"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type InvalidCondition struct{}
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func (c InvalidCondition) Type() WitnessConditionType {
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return 0xff
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}
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func (c InvalidCondition) Match(_ MatchContext) (bool, error) {
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return true, nil
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}
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func (c InvalidCondition) EncodeBinary(w *io.BinWriter) {
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w.WriteB(byte(c.Type()))
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}
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func (c InvalidCondition) DecodeBinarySpecific(r *io.BinReader, _ int) {
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}
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func (c InvalidCondition) MarshalJSON() ([]byte, error) {
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aux := conditionAux{
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Type: c.Type().String(),
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}
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return json.Marshal(aux)
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}
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func (c InvalidCondition) ToStackItem() stackitem.Item {
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panic("invalid")
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}
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type condCase struct {
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condition WitnessCondition
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success bool
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expectedStackItem []stackitem.Item
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}
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func TestWitnessConditionSerDes(t *testing.T) {
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var someBool bool
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pk, err := keys.NewPrivateKey()
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require.NoError(t, err)
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var cases = []condCase{
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{(*ConditionBoolean)(&someBool), true, []stackitem.Item{stackitem.Make(WitnessBoolean), stackitem.Make(someBool)}},
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{&ConditionNot{(*ConditionBoolean)(&someBool)}, true, []stackitem.Item{stackitem.Make(WitnessNot), stackitem.NewArray([]stackitem.Item{stackitem.Make(WitnessBoolean), stackitem.Make(someBool)})}},
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{&ConditionAnd{(*ConditionBoolean)(&someBool), (*ConditionBoolean)(&someBool)}, true, []stackitem.Item{stackitem.Make(WitnessAnd), stackitem.Make([]stackitem.Item{
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stackitem.NewArray([]stackitem.Item{stackitem.Make(WitnessBoolean), stackitem.Make(someBool)}),
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stackitem.NewArray([]stackitem.Item{stackitem.Make(WitnessBoolean), stackitem.Make(someBool)}),
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})}},
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{&ConditionOr{(*ConditionBoolean)(&someBool), (*ConditionBoolean)(&someBool)}, true, []stackitem.Item{stackitem.Make(WitnessOr), stackitem.Make([]stackitem.Item{
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stackitem.NewArray([]stackitem.Item{stackitem.Make(WitnessBoolean), stackitem.Make(someBool)}),
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stackitem.NewArray([]stackitem.Item{stackitem.Make(WitnessBoolean), stackitem.Make(someBool)}),
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})}},
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{&ConditionScriptHash{1, 2, 3}, true, []stackitem.Item{stackitem.Make(WitnessScriptHash), stackitem.Make(util.Uint160{1, 2, 3}.BytesBE())}},
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{(*ConditionGroup)(pk.PublicKey()), true, []stackitem.Item{stackitem.Make(WitnessGroup), stackitem.Make(pk.PublicKey().Bytes())}},
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{ConditionCalledByEntry{}, true, []stackitem.Item{stackitem.Make(WitnessCalledByEntry)}},
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{&ConditionCalledByContract{1, 2, 3}, true, []stackitem.Item{stackitem.Make(WitnessCalledByContract), stackitem.Make(util.Uint160{1, 2, 3}.BytesBE())}},
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{(*ConditionCalledByGroup)(pk.PublicKey()), true, []stackitem.Item{stackitem.Make(WitnessCalledByGroup), stackitem.Make(pk.PublicKey().Bytes())}},
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{InvalidCondition{}, false, nil},
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{&ConditionAnd{}, false, nil},
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{&ConditionOr{}, false, nil},
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{&ConditionNot{&ConditionNot{&ConditionNot{(*ConditionBoolean)(&someBool)}}}, false, nil},
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}
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var maxSubCondAnd = &ConditionAnd{}
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var maxSubCondOr = &ConditionAnd{}
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for i := 0; i < maxSubitems+1; i++ {
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*maxSubCondAnd = append(*maxSubCondAnd, (*ConditionBoolean)(&someBool))
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*maxSubCondOr = append(*maxSubCondOr, (*ConditionBoolean)(&someBool))
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}
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cases = append(cases, condCase{maxSubCondAnd, false, nil})
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cases = append(cases, condCase{maxSubCondOr, false, nil})
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t.Run("binary", func(t *testing.T) {
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for i, c := range cases {
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w := io.NewBufBinWriter()
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c.condition.EncodeBinary(w.BinWriter)
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require.NoError(t, w.Err)
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b := w.Bytes()
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r := io.NewBinReaderFromBuf(b)
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res := DecodeBinaryCondition(r)
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if !c.success {
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require.Nil(t, res)
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require.Errorf(t, r.Err, "case %d", i)
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continue
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}
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require.NoErrorf(t, r.Err, "case %d", i)
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require.Equal(t, c.condition, res)
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}
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})
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t.Run("json", func(t *testing.T) {
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for i, c := range cases {
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jj, err := c.condition.MarshalJSON()
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require.NoError(t, err)
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res, err := UnmarshalConditionJSON(jj)
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if !c.success {
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require.Errorf(t, err, "case %d, json %s", i, jj)
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continue
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}
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require.NoErrorf(t, err, "case %d, json %s", i, jj)
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require.Equal(t, c.condition, res)
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}
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})
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t.Run("stackitem", func(t *testing.T) {
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for i, c := range cases[1:] {
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if c.expectedStackItem != nil {
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expected := stackitem.NewArray(c.expectedStackItem)
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actual := c.condition.ToStackItem()
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assert.Equal(t, expected, actual, i)
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}
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}
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})
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}
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func TestWitnessConditionZeroDeser(t *testing.T) {
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r := io.NewBinReaderFromBuf([]byte{})
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res := DecodeBinaryCondition(r)
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require.Nil(t, res)
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require.Error(t, r.Err)
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}
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func TestWitnessConditionJSONErrors(t *testing.T) {
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var cases = []string{
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`[]`,
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`{}`,
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`{"type":"Boolean"}`,
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`{"type":"Not"}`,
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`{"type":"And"}`,
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`{"type":"Or"}`,
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`{"type":"ScriptHash"}`,
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`{"type":"Group"}`,
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`{"type":"CalledByContract"}`,
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`{"type":"CalledByGroup"}`,
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`{"type":"Boolean", "expression":42}`,
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`{"type":"Not", "expression":true}`,
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`{"type":"And", "expressions":[{"type":"CalledByGroup"},{"type":"Not", "expression":true}]}`,
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`{"type":"Or", "expressions":{"type":"CalledByGroup"}}`,
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`{"type":"Or", "expressions":[{"type":"CalledByGroup"},{"type":"Not", "expression":false}]}`,
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`{"type":"ScriptHash", "hash":"1122"}`,
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`{"type":"Group", "group":"032211"}`,
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`{"type":"CalledByContract", "hash":"1122"}`,
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`{"type":"CalledByGroup", "group":"032211"}`,
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}
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for i := range cases {
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res, err := UnmarshalConditionJSON([]byte(cases[i]))
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require.Errorf(t, err, "case %d, json %s", i, cases[i])
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require.Nil(t, res)
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}
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}
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type TestMC struct {
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calling util.Uint160
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current util.Uint160
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entry util.Uint160
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goodKey *keys.PublicKey
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badKey *keys.PublicKey
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}
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func (t *TestMC) GetCallingScriptHash() util.Uint160 {
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return t.calling
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}
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func (t *TestMC) GetCurrentScriptHash() util.Uint160 {
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return t.current
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}
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func (t *TestMC) GetEntryScriptHash() util.Uint160 {
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return t.entry
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}
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func (t *TestMC) IsCalledByEntry() bool {
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return t.entry.Equals(t.calling) || t.calling.Equals(util.Uint160{})
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}
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func (t *TestMC) CallingScriptHasGroup(k *keys.PublicKey) (bool, error) {
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res, err := t.CurrentScriptHasGroup(k)
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return !res, err // To differentiate from current we invert the logic value.
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}
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func (t *TestMC) CurrentScriptHasGroup(k *keys.PublicKey) (bool, error) {
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if k.Equal(t.goodKey) {
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return true, nil
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}
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if k.Equal(t.badKey) {
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return false, errors.New("baaad key")
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}
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return false, nil
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}
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func TestWitnessConditionMatch(t *testing.T) {
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pkGood, err := keys.NewPrivateKey()
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require.NoError(t, err)
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pkBad, err := keys.NewPrivateKey()
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require.NoError(t, err)
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pkNeutral, err := keys.NewPrivateKey()
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require.NoError(t, err)
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entrySC := util.Uint160{1, 2, 3}
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currentSC := util.Uint160{4, 5, 6}
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tmc := &TestMC{
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calling: entrySC,
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entry: entrySC,
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current: currentSC,
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goodKey: pkGood.PublicKey(),
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badKey: pkBad.PublicKey(),
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}
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t.Run("boolean", func(t *testing.T) {
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var b bool
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var c = (*ConditionBoolean)(&b)
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res, err := c.Match(tmc)
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require.NoError(t, err)
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require.False(t, res)
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b = true
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res, err = c.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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})
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t.Run("not", func(t *testing.T) {
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var b bool
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var cInner = (*ConditionBoolean)(&b)
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var cInner2 = (*ConditionGroup)(pkBad.PublicKey())
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var c = &ConditionNot{cInner}
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var c2 = &ConditionNot{cInner2}
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res, err := c.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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b = true
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res, err = c.Match(tmc)
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require.NoError(t, err)
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require.False(t, res)
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_, err = c2.Match(tmc)
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require.Error(t, err)
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})
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t.Run("and", func(t *testing.T) {
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var bFalse, bTrue bool
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var cInnerFalse = (*ConditionBoolean)(&bFalse)
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var cInnerTrue = (*ConditionBoolean)(&bTrue)
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var cInnerBad = (*ConditionGroup)(pkBad.PublicKey())
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var c = &ConditionAnd{cInnerTrue, cInnerFalse, cInnerFalse}
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var cBad = &ConditionAnd{cInnerTrue, cInnerBad}
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bTrue = true
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res, err := c.Match(tmc)
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require.NoError(t, err)
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require.False(t, res)
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bFalse = true
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res, err = c.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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_, err = cBad.Match(tmc)
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require.Error(t, err)
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})
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t.Run("or", func(t *testing.T) {
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var bFalse, bTrue bool
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var cInnerFalse = (*ConditionBoolean)(&bFalse)
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var cInnerTrue = (*ConditionBoolean)(&bTrue)
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var cInnerBad = (*ConditionGroup)(pkBad.PublicKey())
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var c = &ConditionOr{cInnerTrue, cInnerFalse, cInnerFalse}
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var cBad = &ConditionOr{cInnerTrue, cInnerBad}
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bTrue = true
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res, err := c.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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bTrue = false
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res, err = c.Match(tmc)
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require.NoError(t, err)
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require.False(t, res)
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_, err = cBad.Match(tmc)
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require.Error(t, err)
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})
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t.Run("script hash", func(t *testing.T) {
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var cEntry = (*ConditionScriptHash)(&entrySC)
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var cCurrent = (*ConditionScriptHash)(¤tSC)
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res, err := cEntry.Match(tmc)
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require.NoError(t, err)
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require.False(t, res)
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res, err = cCurrent.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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})
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t.Run("group", func(t *testing.T) {
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var cBad = (*ConditionGroup)(pkBad.PublicKey())
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var cGood = (*ConditionGroup)(pkGood.PublicKey())
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var cNeutral = (*ConditionGroup)(pkNeutral.PublicKey())
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res, err := cGood.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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res, err = cNeutral.Match(tmc)
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require.NoError(t, err)
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require.False(t, res)
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_, err = cBad.Match(tmc)
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require.Error(t, err)
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})
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t.Run("called by entry", func(t *testing.T) {
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var c = ConditionCalledByEntry{}
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res, err := c.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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tmc2 := *tmc
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tmc2.entry = util.Uint160{0, 9, 8}
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res, err = c.Match(&tmc2)
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require.NoError(t, err)
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require.False(t, res)
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tmc3 := *tmc
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tmc3.calling = util.Uint160{}
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tmc3.current = tmc3.entry
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res, err = c.Match(&tmc3)
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require.NoError(t, err)
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require.True(t, res)
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})
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t.Run("called by contract", func(t *testing.T) {
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var cEntry = (*ConditionCalledByContract)(&entrySC)
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var cCurrent = (*ConditionCalledByContract)(¤tSC)
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res, err := cEntry.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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res, err = cCurrent.Match(tmc)
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require.NoError(t, err)
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require.False(t, res)
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})
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t.Run("called by group", func(t *testing.T) {
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var cBad = (*ConditionCalledByGroup)(pkBad.PublicKey())
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var cGood = (*ConditionCalledByGroup)(pkGood.PublicKey())
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var cNeutral = (*ConditionCalledByGroup)(pkNeutral.PublicKey())
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res, err := cGood.Match(tmc)
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require.NoError(t, err)
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require.False(t, res)
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res, err = cNeutral.Match(tmc)
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require.NoError(t, err)
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require.True(t, res)
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_, err = cBad.Match(tmc)
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require.Error(t, err)
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})
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}
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