134 lines
4.3 KiB
Go
134 lines
4.3 KiB
Go
package runtime
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import (
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"encoding/hex"
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"testing"
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"github.com/nspcc-dev/neo-go/internal/random"
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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/state"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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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/stackitem"
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"github.com/stretchr/testify/require"
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)
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func TestGasLeft(t *testing.T) {
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t.Run("no limit", func(t *testing.T) {
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ic := &interop.Context{VM: vm.New()}
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ic.VM.GasLimit = -1
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ic.VM.AddGas(58)
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require.NoError(t, GasLeft(ic))
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checkStack(t, ic.VM, -1)
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})
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t.Run("with limit", func(t *testing.T) {
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ic := &interop.Context{VM: vm.New()}
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ic.VM.GasLimit = 100
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ic.VM.AddGas(58)
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require.NoError(t, GasLeft(ic))
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checkStack(t, ic.VM, 42)
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})
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}
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func TestRuntimeGetNotifications(t *testing.T) {
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v := vm.New()
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ic := &interop.Context{
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VM: v,
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Notifications: []state.NotificationEvent{
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{ScriptHash: util.Uint160{1}, Name: "Event1", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{11})})},
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{ScriptHash: util.Uint160{2}, Name: "Event2", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{22})})},
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{ScriptHash: util.Uint160{1}, Name: "Event1", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{33})})},
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},
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}
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t.Run("NoFilter", func(t *testing.T) {
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v.Estack().PushVal(stackitem.Null{})
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require.NoError(t, GetNotifications(ic))
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arr := v.Estack().Pop().Array()
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require.Equal(t, len(ic.Notifications), len(arr))
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for i := range arr {
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elem := arr[i].Value().([]stackitem.Item)
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require.Equal(t, ic.Notifications[i].ScriptHash.BytesBE(), elem[0].Value())
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name, err := stackitem.ToString(elem[1])
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require.NoError(t, err)
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require.Equal(t, ic.Notifications[i].Name, name)
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require.Equal(t, ic.Notifications[i].Item, elem[2])
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}
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})
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t.Run("WithFilter", func(t *testing.T) {
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h := util.Uint160{2}.BytesBE()
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v.Estack().PushVal(h)
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require.NoError(t, GetNotifications(ic))
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arr := v.Estack().Pop().Array()
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require.Equal(t, 1, len(arr))
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elem := arr[0].Value().([]stackitem.Item)
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require.Equal(t, h, elem[0].Value())
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name, err := stackitem.ToString(elem[1])
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require.NoError(t, err)
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require.Equal(t, ic.Notifications[1].Name, name)
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require.Equal(t, ic.Notifications[1].Item, elem[2])
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})
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t.Run("Bad", func(t *testing.T) {
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t.Run("not bytes", func(t *testing.T) {
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v.Estack().PushVal(stackitem.NewInterop(util.Uint160{1}))
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require.Error(t, GetNotifications(ic))
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})
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t.Run("not uint160", func(t *testing.T) {
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v.Estack().PushVal([]byte{1, 2, 3})
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require.Error(t, GetNotifications(ic))
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})
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t.Run("too many notifications", func(t *testing.T) {
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for i := 0; i <= vm.MaxStackSize; i++ {
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ic.Notifications = append(ic.Notifications, state.NotificationEvent{
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ScriptHash: util.Uint160{3},
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Name: "Event3",
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Item: stackitem.NewArray(nil),
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})
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}
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v.Estack().PushVal(stackitem.Null{})
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require.Error(t, GetNotifications(ic))
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})
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})
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}
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func TestRuntimeGetInvocationCounter(t *testing.T) {
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ic := &interop.Context{VM: vm.New(), Invocations: make(map[util.Uint160]int)}
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h := random.Uint160()
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ic.Invocations[h] = 42
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t.Run("No invocations", func(t *testing.T) {
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h1 := h
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h1[0] ^= 0xFF
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ic.VM.LoadScriptWithHash([]byte{1}, h1, callflag.NoneFlag)
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// do not return an error in this case.
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require.NoError(t, GetInvocationCounter(ic))
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checkStack(t, ic.VM, 1)
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})
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t.Run("NonZero", func(t *testing.T) {
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ic.VM.LoadScriptWithHash([]byte{1}, h, callflag.NoneFlag)
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require.NoError(t, GetInvocationCounter(ic))
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checkStack(t, ic.VM, 42)
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})
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}
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// Test compatibility with C# implementation.
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// https://github.com/neo-project/neo/blob/master/tests/neo.UnitTests/Cryptography/UT_Murmur128.cs
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func TestMurmurCompat(t *testing.T) {
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res := murmur128([]byte("hello"), 123)
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require.Equal(t, "0bc59d0ad25fde2982ed65af61227a0e", hex.EncodeToString(res))
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res = murmur128([]byte("world"), 123)
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require.Equal(t, "3d3810fed480472bd214a14023bb407f", hex.EncodeToString(res))
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res = murmur128([]byte("hello world"), 123)
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require.Equal(t, "e0a0632d4f51302c55e3b3e48d28795d", hex.EncodeToString(res))
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bs, _ := hex.DecodeString("718f952132679baa9c5c2aa0d329fd2a")
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res = murmur128(bs, 123)
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require.Equal(t, "9b4aa747ff0cf4e41b3d96251551c8ae", hex.EncodeToString(res))
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}
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