[#807] morph/event/container: Add `setEACL` notary support

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

pkg/innerring/processors/container/process_eacl.go

@@ -83,7 +83,15 @@ func (cp *Processor) checkSetEACL(e container.SetEACL) error {
 }
 
 func (cp *Processor) approveSetEACL(e container.SetEACL) {
-	err := cp.cnrClient.PutEACL(e.Table(), e.PublicKey(), e.Signature(), e.SessionToken())
+	var err error
+
+	if nr := e.NotaryRequest(); nr != nil {
+		// setEACL event was received via Notary service
+		err = cp.cnrClient.Morph().NotarySignAndInvokeTX(nr.MainTransaction)
+	} else {
+		// setEACL event was received via notification service
+		err = cp.cnrClient.PutEACL(e.Table(), e.PublicKey(), e.Signature(), e.SessionToken())
+	}
 	if err != nil {
 		cp.log.Error("could not approve set EACL",
 			zap.String("error", err.Error()),

pkg/innerring/processors/container/processor.go

@@ -181,6 +181,11 @@ func (cp *Processor) ListenerNotaryParsers() []event.NotaryParserInfo {
 	p.SetParser(containerEvent.ParseDeleteNotary)
 	pp = append(pp, p)
 
+	// set EACL
+	p.SetRequestType(containerEvent.SetEACLNotaryEvent)
+	p.SetParser(containerEvent.ParseSetEACLNotary)
+	pp = append(pp, p)
+
 	return pp
 }
 
@@ -205,6 +210,11 @@ func (cp *Processor) ListenerNotaryHandlers() []event.NotaryHandlerInfo {
 	h.SetHandler(cp.handleDelete)
 	hh = append(hh, h)
 
+	// set eACL
+	h.SetRequestType(containerEvent.SetEACLNotaryEvent)
+	h.SetHandler(cp.handleSetEACL)
+	hh = append(hh, h)
+
 	return hh
 }
 

pkg/morph/event/container/eacl.go

@@ -3,6 +3,7 @@ package container
 import (
 	"fmt"
 
+	"github.com/nspcc-dev/neo-go/pkg/network/payload"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
@@ -11,13 +12,14 @@ import (
 // SetEACL represents structure of notification about
 // modified eACL table coming from NeoFS Container contract.
 type SetEACL struct {
-	table []byte
-
+	table     []byte
 	signature []byte
-
 	publicKey []byte
+	token     []byte
 
-	token []byte
+	// For notary notifications only.
+	// Contains raw transactions of notary request.
+	notaryRequest *payload.P2PNotaryRequest
 }
 
 // MorphEvent implements Neo:Morph Event interface.
@@ -45,6 +47,14 @@ func (x SetEACL) SessionToken() []byte {
 	return x.token
 }
 
+// NotaryRequest returns raw notary request if notification
+// was received via notary service. Otherwise, returns nil.
+func (x SetEACL) NotaryRequest() *payload.P2PNotaryRequest {
+	return x.notaryRequest
+}
+
+const expectedItemNumEACL = 4
+
 // ParseSetEACL parses SetEACL notification event from list of stack items.
 //
 // Expects 4 stack items.
@@ -54,8 +64,6 @@ func ParseSetEACL(items []stackitem.Item) (event.Event, error) {
 		err error
 	)
 
-	const expectedItemNumEACL = 4
-
 	if ln := len(items); ln != expectedItemNumEACL {
 		return nil, event.WrongNumberOfParameters(expectedItemNumEACL, ln)
 	}

pkg/morph/event/container/eacl_notary.go

@@ -0,0 +1,77 @@
+package container
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
+)
+
+func (x *SetEACL) setTable(v []byte) {
+	if v != nil {
+		x.table = v
+	}
+}
+
+func (x *SetEACL) setSignature(v []byte) {
+	if v != nil {
+		x.signature = v
+	}
+}
+
+func (x *SetEACL) setPublicKey(v []byte) {
+	if v != nil {
+		x.publicKey = v
+	}
+}
+
+func (x *SetEACL) setToken(v []byte) {
+	if v != nil {
+		x.token = v
+	}
+}
+
+var setEACLFieldSetters = []func(*SetEACL, []byte){
+	// order on stack is reversed
+	(*SetEACL).setToken,
+	(*SetEACL).setPublicKey,
+	(*SetEACL).setSignature,
+	(*SetEACL).setTable,
+}
+
+const (
+	// SetEACLNotaryEvent is method name for container EACL operations
+	// in `Container` contract. Is used as identificator for notary
+	// EACL changing requests.
+	SetEACLNotaryEvent = "setEACL"
+)
+
+// ParseSetEACLNotary from NotaryEvent into container event structure.
+func ParseSetEACLNotary(ne event.NotaryEvent) (event.Event, error) {
+	var (
+		ev        SetEACL
+		currentOp opcode.Opcode
+	)
+
+	fieldNum := 0
+
+	for _, op := range ne.Params() {
+		currentOp = op.Code()
+
+		switch {
+		case opcode.PUSHDATA1 <= currentOp && currentOp <= opcode.PUSHDATA4:
+			if fieldNum == expectedItemNumEACL {
+				return nil, event.UnexpectedArgNumErr(SetEACLNotaryEvent)
+			}
+
+			setEACLFieldSetters[fieldNum](&ev, op.Param())
+			fieldNum++
+		case opcode.PUSH0 <= currentOp && currentOp <= opcode.PUSH16 || currentOp == opcode.PACK:
+			// array packing opcodes. do nothing with it
+		default:
+			return nil, event.UnexpectedOpcode(SetEACLNotaryEvent, op.Code())
+		}
+	}
+
+	ev.notaryRequest = ne.Raw()
+
+	return ev, nil
+}