diff --git a/pkg/morph/client/client.go b/pkg/morph/client/client.go
index 9cf6139ca..29a374fdd 100644
--- a/pkg/morph/client/client.go
+++ b/pkg/morph/client/client.go
@@ -37,6 +37,8 @@ type Client struct {
 
 	neo util.Uint160 // native neo script-hash
 
+	designate util.Uint160 // native designate script-hash
+
 	waitInterval time.Duration
 
 	notary *notary
@@ -51,6 +53,7 @@ const HaltState = "HALT"
 
 const (
 	committeeList = "getCommittee"
+	designateList = "getDesignatedByRole"
 )
 
 var errEmptyInvocationScript = errors.New("got empty invocation script from neo node")
@@ -214,6 +217,25 @@ func (c *Client) Committee() (keys.PublicKeys, error) {
 	return roleKeys, nil
 }
 
+func (c *Client) roleList(r native.Role) (keys.PublicKeys, error) {
+	height, err := c.client.GetBlockCount()
+	if err != nil {
+		return nil, errors.Wrap(err, "can't get chain height")
+	}
+
+	items, err := c.TestInvoke(c.designate, designateList, r, int64(height))
+	if err != nil {
+		return nil, err
+	}
+
+	roleKeys, err := keysFromStack(items)
+	if err != nil {
+		return nil, errors.Wrap(err, "can't get role keys")
+	}
+
+	return roleKeys, nil
+}
+
 func toStackParameter(value interface{}) (sc.Parameter, error) {
 	var result = sc.Parameter{
 		Value: value,
diff --git a/pkg/morph/client/constructor.go b/pkg/morph/client/constructor.go
index e3a8bd77f..573d81a96 100644
--- a/pkg/morph/client/constructor.go
+++ b/pkg/morph/client/constructor.go
@@ -105,12 +105,18 @@ func New(key *ecdsa.PrivateKey, endpoint string, opts ...Option) (*Client, error
 		return nil, err
 	}
 
+	designate, err := cli.GetNativeContractHash(nativenames.Designation)
+	if err != nil {
+		return nil, err
+	}
+
 	return &Client{
 		logger:       cfg.logger,
 		client:       cli,
 		acc:          account,
 		gas:          gas,
 		neo:          neo,
+		designate:    designate,
 		waitInterval: cfg.waitInterval,
 	}, nil
 }