package state import ( "encoding/json" "testing" "github.com/nspcc-dev/neo-go/internal/random" "github.com/nspcc-dev/neo-go/internal/testserdes" "github.com/nspcc-dev/neo-go/pkg/io" "github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger" "github.com/nspcc-dev/neo-go/pkg/vm" "github.com/nspcc-dev/neo-go/pkg/vm/stackitem" "github.com/stretchr/testify/require" ) func TestEncodeDecodeNotificationEvent(t *testing.T) { event := &NotificationEvent{ ScriptHash: random.Uint160(), Name: "Event", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewBool(true)}), } testserdes.EncodeDecodeBinary(t, event, new(NotificationEvent)) } func TestEncodeDecodeAppExecResult(t *testing.T) { newAer := func() *AppExecResult { return &AppExecResult{ Container: random.Uint256(), Execution: Execution{ Trigger: 1, VMState: vm.HaltState, GasConsumed: 10, Stack: []stackitem.Item{stackitem.NewBool(true)}, Events: []NotificationEvent{}, }, } } t.Run("halt", func(t *testing.T) { appExecResult := newAer() appExecResult.VMState = vm.HaltState testserdes.EncodeDecodeBinary(t, appExecResult, new(AppExecResult)) }) t.Run("fault", func(t *testing.T) { appExecResult := newAer() appExecResult.VMState = vm.FaultState testserdes.EncodeDecodeBinary(t, appExecResult, new(AppExecResult)) }) t.Run("with interop", func(t *testing.T) { appExecResult := newAer() appExecResult.Stack = []stackitem.Item{stackitem.NewInterop(nil)} testserdes.EncodeDecodeBinary(t, appExecResult, new(AppExecResult)) }) t.Run("recursive reference", func(t *testing.T) { var arr = stackitem.NewArray(nil) arr.Append(arr) appExecResult := newAer() appExecResult.Stack = []stackitem.Item{arr, stackitem.NewBool(true), stackitem.NewInterop(123)} bs, err := testserdes.EncodeBinary(appExecResult) require.NoError(t, err) actual := new(AppExecResult) require.NoError(t, testserdes.DecodeBinary(bs, actual)) require.Equal(t, 3, len(actual.Stack)) require.Nil(t, actual.Stack[0]) require.Equal(t, true, actual.Stack[1].Value()) require.Equal(t, stackitem.InteropT, actual.Stack[2].Type()) bs1, err := testserdes.EncodeBinary(actual) require.NoError(t, err) require.Equal(t, bs, bs1) }) t.Run("invalid item type", func(t *testing.T) { aer := newAer() w := io.NewBufBinWriter() w.WriteBytes(aer.Container[:]) w.WriteB(byte(aer.Trigger)) w.WriteB(byte(aer.VMState)) w.WriteU64LE(uint64(aer.GasConsumed)) stackitem.EncodeBinary(stackitem.NewBool(true), w.BinWriter) require.NoError(t, w.Err) require.Error(t, testserdes.DecodeBinary(w.Bytes(), new(AppExecResult))) }) } func TestMarshalUnmarshalJSONNotificationEvent(t *testing.T) { t.Run("positive", func(t *testing.T) { ne := &NotificationEvent{ ScriptHash: random.Uint160(), Name: "my_ne", Item: stackitem.NewArray([]stackitem.Item{ stackitem.NewBool(true), }), } testserdes.MarshalUnmarshalJSON(t, ne, new(NotificationEvent)) }) t.Run("MarshalJSON recursive reference", func(t *testing.T) { i := make([]stackitem.Item, 1) recursive := stackitem.NewArray(i) i[0] = recursive ne := &NotificationEvent{ Item: recursive, } _, err := json.Marshal(ne) require.NoError(t, err) }) t.Run("UnmarshalJSON error", func(t *testing.T) { errorCases := []string{ `{"contract":"0xBadHash","eventname":"my_ne","state":{"type":"Array","value":[{"type":"Boolean","value":true}]}}`, `{"contract":"0xab2f820e2aa7cca1e081283c58a7d7943c33a2f1","eventname":"my_ne","state":{"type":"Array","value":[{"type":"BadType","value":true}]}}`, `{"contract":"0xab2f820e2aa7cca1e081283c58a7d7943c33a2f1","eventname":"my_ne","state":{"type":"Boolean", "value":true}}`, } for _, errCase := range errorCases { err := json.Unmarshal([]byte(errCase), new(NotificationEvent)) require.Error(t, err) } }) } func TestMarshalUnmarshalJSONAppExecResult(t *testing.T) { t.Run("positive, transaction", func(t *testing.T) { appExecResult := &AppExecResult{ Container: random.Uint256(), Execution: Execution{ Trigger: trigger.Application, VMState: vm.HaltState, GasConsumed: 10, Stack: []stackitem.Item{}, Events: []NotificationEvent{}, }, } testserdes.MarshalUnmarshalJSON(t, appExecResult, new(AppExecResult)) }) t.Run("positive, fault state", func(t *testing.T) { appExecResult := &AppExecResult{ Container: random.Uint256(), Execution: Execution{ Trigger: trigger.Application, VMState: vm.FaultState, GasConsumed: 10, Stack: []stackitem.Item{stackitem.NewBool(true)}, Events: []NotificationEvent{}, FaultException: "unhandled exception", }, } testserdes.MarshalUnmarshalJSON(t, appExecResult, new(AppExecResult)) }) t.Run("positive, block", func(t *testing.T) { appExecResult := &AppExecResult{ Container: random.Uint256(), Execution: Execution{ Trigger: trigger.OnPersist, VMState: vm.HaltState, GasConsumed: 10, Stack: []stackitem.Item{}, Events: []NotificationEvent{}, }, } testserdes.MarshalUnmarshalJSON(t, appExecResult, new(AppExecResult)) }) t.Run("MarshalJSON recursive reference", func(t *testing.T) { arr := stackitem.NewArray(nil) arr.Append(arr) errAer := &AppExecResult{ Execution: Execution{ Trigger: trigger.Application, Stack: []stackitem.Item{arr, stackitem.NewBool(true), stackitem.NewInterop(123)}, }, } bs, err := json.Marshal(errAer) require.NoError(t, err) actual := new(AppExecResult) require.NoError(t, json.Unmarshal(bs, actual)) require.Equal(t, 3, len(actual.Stack)) require.Nil(t, actual.Stack[0]) require.Equal(t, true, actual.Stack[1].Value()) require.Equal(t, stackitem.InteropT, actual.Stack[2].Type()) bs1, err := json.Marshal(actual) require.NoError(t, err) require.NotEqual(t, bs, bs1) // recursive ref error vs. unserializable nil actual2 := new(AppExecResult) require.NoError(t, json.Unmarshal(bs, actual2)) bs2, err := json.Marshal(actual2) require.NoError(t, err) require.Equal(t, bs1, bs2) // unserializable nil in both cases }) t.Run("UnmarshalJSON error", func(t *testing.T) { nilStackCases := []string{ `{"container":"0x17145a039fca704fcdbeb46e6b210af98a1a9e5b9768e46ffc38f71c79ac2521","trigger":"Application","vmstate":"HALT","gasconsumed":"1","stack":[{"type":"WrongType","value":"1"}],"notifications":[]}`, } for _, str := range nilStackCases { actual := new(AppExecResult) err := json.Unmarshal([]byte(str), actual) require.NoError(t, err) require.Nil(t, actual.Stack) } errorCases := []string{ `{"container":"0xBadHash","trigger":"Application","vmstate":"HALT","gasconsumed":"1","stack":[{"type":"Integer","value":"1"}],"notifications":[]}`, `{"container":"0x17145a039fca704fcdbeb46e6b210af98a1a9e5b9768e46ffc38f71c79ac2521","trigger":"Application","vmstate":"BadState","gasconsumed":"1","stack":[{"type":"Integer","value":"1"}],"notifications":[]}`, `{"container":"0x17145a039fca704fcdbeb46e6b210af98a1a9e5b9768e46ffc38f71c79ac2521","trigger":"BadTrigger","vmstate":"HALT","gasconsumed":"1","stack":[{"type":"Integer","value":"1"}],"notifications":[]}`, } for _, str := range errorCases { actual := new(AppExecResult) err := json.Unmarshal([]byte(str), actual) require.Error(t, err) } }) }