smartcontract: add test for user-defined extended event types configuration

config_extended.yml contains an example of user-defined configuration
file with extended event types. User-defined event types are allowed
to be named and complicated, i.e. properly support extended types
notation.

Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>

cli/smartcontract/generate_test.go

@@ -379,14 +379,24 @@ func TestAssistedRPCBindings(t *testing.T) {
 	app := cli.NewApp()
 	app.Commands = NewCommands()
 
-	var checkBinding = func(source string) {
+	var checkBinding = func(source string, suffix ...string) {
-		t.Run(source, func(t *testing.T) {
+		testName := source
+		if len(suffix) != 0 {
+			testName += suffix[0]
+		}
+		t.Run(testName, func(t *testing.T) {
+			configFile := filepath.Join(source, "config.yml")
+			expectedFile := filepath.Join(source, "rpcbindings.out")
+			if len(suffix) != 0 {
+				configFile = filepath.Join(source, "config"+suffix[0]+".yml")
+				expectedFile = filepath.Join(source, "rpcbindings"+suffix[0]+".out")
+			}
 			manifestF := filepath.Join(tmpDir, "manifest.json")
 			bindingF := filepath.Join(tmpDir, "binding.yml")
 			nefF := filepath.Join(tmpDir, "out.nef")
 			require.NoError(t, app.Run([]string{"", "contract", "compile",
 				"--in", source,
-				"--config", filepath.Join(source, "config.yml"),
+				"--config", configFile,
 				"--manifest", manifestF,
 				"--bindings", bindingF,
 				"--out", nefF,
@@ -402,7 +412,6 @@ func TestAssistedRPCBindings(t *testing.T) {
 			data, err := os.ReadFile(outFile)
 			require.NoError(t, err)
 			data = bytes.ReplaceAll(data, []byte("\r"), []byte{}) // Windows.
-			expectedFile := filepath.Join(source, "rpcbindings.out")
 			if rewriteExpectedOutputs {
 				require.NoError(t, os.WriteFile(expectedFile, data, os.ModePerm))
 			} else {
@@ -417,6 +426,7 @@ func TestAssistedRPCBindings(t *testing.T) {
 	checkBinding(filepath.Join("testdata", "types"))
 	checkBinding(filepath.Join("testdata", "structs"))
 	checkBinding(filepath.Join("testdata", "notifications"))
+	checkBinding(filepath.Join("testdata", "notifications"), "_extended")
 
 	require.False(t, rewriteExpectedOutputs)
 }

cli/smartcontract/testdata/notifications/config.yml

@@ -12,4 +12,8 @@ events:
   - name: "SomeStruct"
     parameters:
       - name: s
-        type: Struct
+        type: Struct
+  - name: "SomeArray"
+    parameters:
+      - name: a
+        type: Array

cli/smartcontract/testdata/notifications/config_extended.yml

@@ -0,0 +1,47 @@
+name: "Notifications"
+sourceurl: https://github.com/nspcc-dev/neo-go/
+events:
+  - name: "! complicated name %$#"
+    parameters:
+      - name: ! complicated param @#$%
+        type: String
+  - name: "SomeMap"
+    parameters:
+      - name: m
+        type: Map
+        extendedtype:
+          base: Map
+          key: Integer
+          value:
+            base: Map
+            key: String
+            value:
+              base: Array
+              value:
+                base: Hash160
+  - name: "SomeStruct"
+    parameters:
+      - name: s
+        type: Struct
+        extendedtype:
+          base: Struct
+          name: crazyStruct
+  - name: "SomeArray"
+    parameters:
+      - name: a
+        type: Array
+        extendedtype:
+          base: Array
+          value:
+            base: Array
+            value:
+              base: Integer
+namedtypes:
+  crazyStruct:
+    base: Struct
+    name: crazyStruct
+    fields:
+      - field: I
+        base: Integer
+      - field: B
+        base: Boolean

cli/smartcontract/testdata/notifications/notifications.go

@@ -19,3 +19,7 @@ func Struct() {
 		B bool
 	}{I: 123, B: true})
 }
+
+func Array() {
+	runtime.Notify("SomeArray", [][]int{})
+}

cli/smartcontract/testdata/notifications/rpcbindings.out

@@ -92,6 +92,11 @@ type SomeStructEvent struct {
 	S []any
 }
 
+// SomeArrayEvent represents "SomeArray" event emitted by the contract.
+type SomeArrayEvent struct {
+	A []any
+}
+
 // Actor is used by Contract to call state-changing methods.
 type Actor interface {
 	MakeCall(contract util.Uint160, method string, params ...any) (*transaction.Transaction, error)
@@ -112,6 +117,28 @@ func New(actor Actor) *Contract {
 	return &Contract{actor}
 }
 
+// Array creates a transaction invoking `array` method of the contract.
+// This transaction is signed and immediately sent to the network.
+// The values returned are its hash, ValidUntilBlock value and error if any.
+func (c *Contract) Array() (util.Uint256, uint32, error) {
+	return c.actor.SendCall(Hash, "array")
+}
+
+// ArrayTransaction creates a transaction invoking `array` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) ArrayTransaction() (*transaction.Transaction, error) {
+	return c.actor.MakeCall(Hash, "array")
+}
+
+// ArrayUnsigned creates a transaction invoking `array` method of the contract.
+// This transaction is not signed, it's simply returned to the caller.
+// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
+// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
+func (c *Contract) ArrayUnsigned() (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(Hash, "array", nil)
+}
+
 // CrazyMap creates a transaction invoking `crazyMap` method of the contract.
 // This transaction is signed and immediately sent to the network.
 // The values returned are its hash, ValidUntilBlock value and error if any.
@@ -936,3 +963,68 @@ func (e *SomeStructEvent) FromStackItem(item *stackitem.Array) error {
 
 	return nil
 }
+
+// SomeArrayEventsFromApplicationLog retrieves a set of all emitted events
+// with "SomeArray" name from the provided ApplicationLog.
+func SomeArrayEventsFromApplicationLog(log *result.ApplicationLog) ([]*SomeArrayEvent, error) {
+	if log == nil {
+		return nil, errors.New("nil application log")
+	}
+
+	var res []*SomeArrayEvent
+	for i, ex := range log.Executions {
+		for j, e := range ex.Events {
+			if e.Name != "SomeArray" {
+				continue
+			}
+			event := new(SomeArrayEvent)
+			err := event.FromStackItem(e.Item)
+			if err != nil {
+				return nil, fmt.Errorf("failed to deserialize SomeArrayEvent from stackitem (execution %d, event %d): %w", i, j, err)
+			}
+			res = append(res, event)
+		}
+	}
+
+	return res, nil
+}
+
+// FromStackItem converts provided stackitem.Array to SomeArrayEvent and
+// returns an error if so.
+func (e *SomeArrayEvent) FromStackItem(item *stackitem.Array) error {
+	if item == nil {
+		return errors.New("nil item")
+	}
+	arr, ok := item.Value().([]stackitem.Item)
+	if !ok {
+		return errors.New("not an array")
+	}
+	if len(arr) != 1 {
+		return errors.New("wrong number of structure elements")
+	}
+
+	var (
+		index = -1
+		err error
+	)
+	index++
+	e.A, err = func (item stackitem.Item) ([]any, error) {
+		arr, ok := item.Value().([]stackitem.Item)
+		if !ok {
+			return nil, errors.New("not an array")
+		}
+		res := make([]any, len(arr))
+		for i := range res {
+			res[i], err = arr[i].Value(), error(nil)
+			if err != nil {
+				return nil, fmt.Errorf("item %d: %w", i, err)
+			}
+		}
+		return res, nil
+	} (arr[index])
+	if err != nil {
+		return fmt.Errorf("field A: %w", err)
+	}
+
+	return nil
+}