mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-27 13:58:05 +00:00
400 lines
12 KiB
Go
400 lines
12 KiB
Go
package core
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import (
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"fmt"
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"math/big"
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"testing"
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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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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/crypto"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/enumerator"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/iterator"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/internal/random"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/stretchr/testify/require"
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)
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/* Missing tests:
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* TestTxGetWitnesses
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* TestBcGetAccount
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* TestAccountGetBalance
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* TestAccountIsStandard
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* TestCreateContractStateFromVM
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* TestContractCreate
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* TestContractMigrate
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* TestRuntimeSerialize
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* TestRuntimeDeserialize
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*/
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func TestGetTrigger(t *testing.T) {
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v, _, context, chain := createVMAndPushBlock(t)
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defer chain.Close()
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require.NoError(t, runtimeGetTrigger(context, v))
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}
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func TestStorageFind(t *testing.T) {
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v, contractState, context, chain := createVMAndContractState(t)
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defer chain.Close()
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skeys := [][]byte{{0x01, 0x02}, {0x02, 0x01}, {0x01, 0x01}}
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items := []*state.StorageItem{
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{
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Value: []byte{0x01, 0x02, 0x03, 0x04},
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},
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{
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Value: []byte{0x04, 0x03, 0x02, 0x01},
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},
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{
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Value: []byte{0x03, 0x04, 0x05, 0x06},
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},
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}
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require.NoError(t, context.DAO.PutContractState(contractState))
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scriptHash := contractState.ScriptHash()
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for i := range skeys {
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err := context.DAO.PutStorageItem(scriptHash, skeys[i], items[i])
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require.NoError(t, err)
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}
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t.Run("normal invocation", func(t *testing.T) {
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v.Estack().PushVal([]byte{0x01})
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v.Estack().PushVal(vm.NewInteropItem(&StorageContext{ScriptHash: scriptHash}))
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err := storageFind(context, v)
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require.NoError(t, err)
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var iter *vm.InteropItem
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require.NotPanics(t, func() { iter = v.Estack().Top().Interop() })
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require.NoError(t, enumerator.Next(context, v))
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require.True(t, v.Estack().Pop().Bool())
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v.Estack().PushVal(iter)
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require.NoError(t, iterator.Key(context, v))
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require.Equal(t, []byte{0x01, 0x01}, v.Estack().Pop().Bytes())
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v.Estack().PushVal(iter)
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require.NoError(t, enumerator.Value(context, v))
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require.Equal(t, []byte{0x03, 0x04, 0x05, 0x06}, v.Estack().Pop().Bytes())
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v.Estack().PushVal(iter)
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require.NoError(t, enumerator.Next(context, v))
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require.True(t, v.Estack().Pop().Bool())
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v.Estack().PushVal(iter)
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require.NoError(t, iterator.Key(context, v))
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require.Equal(t, []byte{0x01, 0x02}, v.Estack().Pop().Bytes())
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v.Estack().PushVal(iter)
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require.NoError(t, enumerator.Value(context, v))
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require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, v.Estack().Pop().Bytes())
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v.Estack().PushVal(iter)
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require.NoError(t, enumerator.Next(context, v))
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require.False(t, v.Estack().Pop().Bool())
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})
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t.Run("normal invocation, empty result", func(t *testing.T) {
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v.Estack().PushVal([]byte{0x03})
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v.Estack().PushVal(vm.NewInteropItem(&StorageContext{ScriptHash: scriptHash}))
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err := storageFind(context, v)
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require.NoError(t, err)
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require.NoError(t, enumerator.Next(context, v))
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require.False(t, v.Estack().Pop().Bool())
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})
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t.Run("invalid type for StorageContext", func(t *testing.T) {
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v.Estack().PushVal([]byte{0x01})
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v.Estack().PushVal(vm.NewInteropItem(nil))
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require.Error(t, storageFind(context, v))
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})
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t.Run("invalid script hash", func(t *testing.T) {
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invalidHash := scriptHash
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invalidHash[0] = ^invalidHash[0]
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v.Estack().PushVal([]byte{0x01})
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v.Estack().PushVal(vm.NewInteropItem(&StorageContext{ScriptHash: invalidHash}))
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require.Error(t, storageFind(context, v))
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})
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}
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func TestHeaderGetVersion(t *testing.T) {
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v, block, context, chain := createVMAndPushBlock(t)
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defer chain.Close()
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err := headerGetVersion(context, v)
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require.NoError(t, err)
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value := v.Estack().Pop().Value().(*big.Int)
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require.Equal(t, uint64(block.Version), value.Uint64())
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}
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func TestHeaderGetVersion_Negative(t *testing.T) {
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v := vm.New()
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block := newDumbBlock()
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chain := newTestChain(t)
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defer chain.Close()
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context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), block, nil)
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v.Estack().PushVal(vm.NewBoolItem(false))
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err := headerGetVersion(context, v)
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require.Errorf(t, err, "value is not a header or block")
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}
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func TestHeaderGetMerkleRoot(t *testing.T) {
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v, block, context, chain := createVMAndPushBlock(t)
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defer chain.Close()
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err := headerGetMerkleRoot(context, v)
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require.NoError(t, err)
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value := v.Estack().Pop().Value()
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require.Equal(t, block.MerkleRoot.BytesBE(), value)
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}
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func TestHeaderGetNextConsensus(t *testing.T) {
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v, block, context, chain := createVMAndPushBlock(t)
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defer chain.Close()
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err := headerGetNextConsensus(context, v)
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require.NoError(t, err)
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value := v.Estack().Pop().Value()
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require.Equal(t, block.NextConsensus.BytesBE(), value)
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}
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func TestTxGetAttributes(t *testing.T) {
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v, tx, context, chain := createVMAndPushTX(t)
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defer chain.Close()
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err := txGetAttributes(context, v)
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require.NoError(t, err)
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value := v.Estack().Pop().Value().([]vm.StackItem)
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require.Equal(t, tx.Attributes[0].Usage, value[0].Value().(*transaction.Attribute).Usage)
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}
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func TestWitnessGetVerificationScript(t *testing.T) {
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v := vm.New()
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script := []byte{byte(opcode.PUSHM1), byte(opcode.RET)}
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witness := transaction.Witness{InvocationScript: nil, VerificationScript: script}
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chain := newTestChain(t)
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defer chain.Close()
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context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, nil)
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v.Estack().PushVal(vm.NewInteropItem(&witness))
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err := witnessGetVerificationScript(context, v)
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require.NoError(t, err)
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value := v.Estack().Pop().Value().([]byte)
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require.Equal(t, witness.VerificationScript, value)
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}
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func TestECDSAVerify(t *testing.T) {
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priv, err := keys.NewPrivateKey()
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require.NoError(t, err)
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chain := newTestChain(t)
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defer chain.Close()
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ic := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, nil)
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runCase := func(t *testing.T, isErr bool, result interface{}, args ...interface{}) {
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v := vm.New()
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for i := range args {
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v.Estack().PushVal(args[i])
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}
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var err error
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func() {
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defer func() {
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if r := recover(); r != nil {
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err = fmt.Errorf("panic: %v", r)
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}
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}()
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err = crypto.ECDSAVerify(ic, v)
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}()
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if isErr {
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require.Error(t, err)
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return
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}
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require.NoError(t, err)
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require.Equal(t, 1, v.Estack().Len())
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require.Equal(t, result, v.Estack().Pop().Value().(bool))
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}
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msg := []byte("test message")
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t.Run("success", func(t *testing.T) {
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sign := priv.Sign(msg)
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runCase(t, false, true, sign, priv.PublicKey().Bytes(), msg)
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})
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t.Run("signed interop item", func(t *testing.T) {
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tx := transaction.New([]byte{0, 1, 2}, 1)
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msg := tx.GetSignedPart()
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sign := priv.Sign(msg)
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runCase(t, false, true, sign, priv.PublicKey().Bytes(), vm.NewInteropItem(tx))
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})
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t.Run("signed script container", func(t *testing.T) {
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tx := transaction.New([]byte{0, 1, 2}, 1)
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msg := tx.GetSignedPart()
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sign := priv.Sign(msg)
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ic.Container = tx
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runCase(t, false, true, sign, priv.PublicKey().Bytes(), vm.NullItem{})
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})
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t.Run("missing arguments", func(t *testing.T) {
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runCase(t, true, false)
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sign := priv.Sign(msg)
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runCase(t, true, false, sign)
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runCase(t, true, false, sign, priv.PublicKey().Bytes())
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})
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t.Run("invalid signature", func(t *testing.T) {
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sign := priv.Sign(msg)
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sign[0] = ^sign[0]
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runCase(t, false, false, sign, priv.PublicKey().Bytes(), msg)
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})
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t.Run("invalid public key", func(t *testing.T) {
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sign := priv.Sign(msg)
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pub := priv.PublicKey().Bytes()
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pub = pub[10:]
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runCase(t, true, false, sign, pub, msg)
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})
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}
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func TestAttrGetData(t *testing.T) {
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v, tx, context, chain := createVMAndTX(t)
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defer chain.Close()
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v.Estack().PushVal(vm.NewInteropItem(&tx.Attributes[0]))
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err := attrGetData(context, v)
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require.NoError(t, err)
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data := v.Estack().Pop().Value()
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require.Equal(t, tx.Attributes[0].Data, data)
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}
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func TestAttrGetUsage(t *testing.T) {
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v, tx, context, chain := createVMAndTX(t)
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defer chain.Close()
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v.Estack().PushVal(vm.NewInteropItem(&tx.Attributes[0]))
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err := attrGetUsage(context, v)
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require.NoError(t, err)
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usage := v.Estack().Pop().Value()
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require.Equal(t, big.NewInt(int64(tx.Attributes[0].Usage)), usage)
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}
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func TestAccountGetScriptHash(t *testing.T) {
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v, accState, context, chain := createVMAndAccState(t)
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defer chain.Close()
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v.Estack().PushVal(vm.NewInteropItem(accState))
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err := accountGetScriptHash(context, v)
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require.NoError(t, err)
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hash := v.Estack().Pop().Value()
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require.Equal(t, accState.ScriptHash.BytesBE(), hash)
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}
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func TestContractGetScript(t *testing.T) {
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v, contractState, context, chain := createVMAndContractState(t)
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defer chain.Close()
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v.Estack().PushVal(vm.NewInteropItem(contractState))
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err := contractGetScript(context, v)
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require.NoError(t, err)
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script := v.Estack().Pop().Value()
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require.Equal(t, contractState.Script, script)
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}
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func TestContractIsPayable(t *testing.T) {
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v, contractState, context, chain := createVMAndContractState(t)
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defer chain.Close()
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v.Estack().PushVal(vm.NewInteropItem(contractState))
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err := contractIsPayable(context, v)
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require.NoError(t, err)
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isPayable := v.Estack().Pop().Value()
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require.Equal(t, contractState.IsPayable(), isPayable)
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}
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// Helper functions to create VM, InteropContext, TX, Account, Contract.
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func createVMAndPushBlock(t *testing.T) (*vm.VM, *block.Block, *interop.Context, *Blockchain) {
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v := vm.New()
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block := newDumbBlock()
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chain := newTestChain(t)
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context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), block, nil)
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v.Estack().PushVal(vm.NewInteropItem(block))
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return v, block, context, chain
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}
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func createVMAndPushTX(t *testing.T) (*vm.VM, *transaction.Transaction, *interop.Context, *Blockchain) {
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v, tx, context, chain := createVMAndTX(t)
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v.Estack().PushVal(vm.NewInteropItem(tx))
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return v, tx, context, chain
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}
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func createVMAndContractState(t *testing.T) (*vm.VM, *state.Contract, *interop.Context, *Blockchain) {
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v := vm.New()
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contractState := &state.Contract{
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Script: []byte("testscript"),
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ParamList: []smartcontract.ParamType{smartcontract.StringType, smartcontract.IntegerType, smartcontract.Hash160Type},
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ReturnType: smartcontract.ArrayType,
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Properties: smartcontract.HasStorage,
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Name: random.String(10),
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CodeVersion: random.String(10),
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Author: random.String(10),
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Email: random.String(10),
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Description: random.String(10),
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}
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chain := newTestChain(t)
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context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, nil)
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return v, contractState, context, chain
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}
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func createVMAndAccState(t *testing.T) (*vm.VM, *state.Account, *interop.Context, *Blockchain) {
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v := vm.New()
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rawHash := "4d3b96ae1bcc5a585e075e3b81920210dec16302"
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hash, err := util.Uint160DecodeStringBE(rawHash)
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accountState := state.NewAccount(hash)
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require.NoError(t, err)
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chain := newTestChain(t)
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context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, nil)
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return v, accountState, context, chain
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}
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func createVMAndTX(t *testing.T) (*vm.VM, *transaction.Transaction, *interop.Context, *Blockchain) {
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v := vm.New()
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script := []byte{byte(opcode.PUSH1), byte(opcode.RET)}
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tx := transaction.New(script, 0)
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bytes := make([]byte, 1)
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attributes := append(tx.Attributes, transaction.Attribute{
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Usage: transaction.Description,
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Data: bytes,
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})
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tx.Attributes = attributes
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chain := newTestChain(t)
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context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, tx)
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return v, tx, context, chain
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}
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