[#505] ir/container: Check key-to-owner mapping in key ownership check

Owner identifier can be calculated from public key. If it matches, no
additional verification of key ownership is required.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/innerring/processors/container/common.go

@@ -1,6 +1,7 @@
 package container
 
 import (
+	"crypto/ecdsa"
 	"fmt"
 
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
@@ -12,6 +13,20 @@ type ownerIDSource interface {
 }
 
 func (cp *Processor) checkKeyOwnership(ownerIDSrc ownerIDSource, key *keys.PublicKey) error {
+	// TODO: need more convenient way to do this
+	w, err := owner.NEO3WalletFromPublicKey(&ecdsa.PublicKey{
+		X: key.X,
+		Y: key.Y,
+	})
+	if err != nil {
+		return err
+	}
+
+	// TODO: need Equal method on owner.ID
+	if ownerIDSrc.OwnerID().String() == owner.NewIDFromNeo3Wallet(w).String() {
+		return nil
+	}
+
 	ownerKeys, err := cp.idClient.AccountKeys(ownerIDSrc.OwnerID())
 	if err != nil {
 		return fmt.Errorf("could not received owner keys %s: %w", ownerIDSrc.OwnerID(), err)