neoneo-go/pkg/core/state/notification_event_test.go

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package state
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import (
"encoding/json"
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"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"
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)
func TestEncodeDecodeNotificationEvent(t *testing.T) {
event := &NotificationEvent{
ScriptHash: random.Uint160(),
Name: "Event",
Item: stackitem.NewArray([]stackitem.Item{stackitem.NewBool(true)}),
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}
testserdes.EncodeDecodeBinary(t, event, new(NotificationEvent))
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}
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)))
})
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}
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)
}
})
}