[#140] container: Add SetAdmin

SetAdmin will allow to manage the root domain of the container.

Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>

container/config.yml

@@ -18,6 +18,7 @@ permissions:
     - "register"
     - "transferX"
     - "update"
+    - "setAdmin"
 
 events:
   - name: PutSuccess

container/container_contract.go

@@ -565,6 +565,21 @@ func NewEpoch(epochNum int) {
 	cleanupContainers(ctx, epochNum)
 }
 
+// SetAdmin sets admin for root container domain.
+func SetAdmin(admin interop.Hash160) {
+	ctx := storage.GetReadOnlyContext()
+
+	if !runtime.CheckWitness(common.CommitteeAddress()) {
+		panic("only committee can set admin")
+	}
+
+	addrNNS := storage.Get(ctx, nnsContractKey).(interop.Hash160)
+	rootContainerDomain := storage.Get(ctx, nnsRootKey).(string)
+
+	contract.Call(addrNNS, "setAdmin", contract.All,
+		rootContainerDomain, admin)
+}
+
 // StartContainerEstimation method produces StartEstimation notification.
 // It can be invoked only by Alphabet nodes of the Inner Ring.
 func StartContainerEstimation(epoch int) {

rpcclient/container/client.go

@@ -270,6 +270,28 @@ func (c *Contract) PutNamedUnsigned(container []byte, signature []byte, publicKe
 	return c.actor.MakeUnsignedCall(c.hash, "putNamed", nil, container, signature, publicKey, token, name, zone)
 }
 
+// SetAdmin creates a transaction invoking `setAdmin` 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) SetAdmin(admin util.Uint160) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "setAdmin", admin)
+}
+
+// SetAdminTransaction creates a transaction invoking `setAdmin` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) SetAdminTransaction(admin util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "setAdmin", admin)
+}
+
+// SetAdminUnsigned creates a transaction invoking `setAdmin` 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) SetAdminUnsigned(admin util.Uint160) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "setAdmin", nil, admin)
+}
+
 // SetEACL creates a transaction invoking `setEACL` 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.

tests/container_test.go

@@ -241,6 +241,16 @@ func TestContainerPut(t *testing.T) {
 		})
 	})
 
+	t.Run("test setAdmin", func(t *testing.T) {
+		ctrNNS := neotest.CompileFile(t, c.CommitteeHash, nnsPath, path.Join(nnsPath, "config.yml"))
+		nnsInv := c.NewInvoker(ctrNNS.Hash, acc)
+		containerInv := c.WithSigners(c.Committee, acc)
+
+		nnsInv.InvokeFail(t, "not witnessed by admin", "addRecord", "frostfs", int64(nns.TXT), nns.Cnametgt+"=animals")
+		containerInv.Invoke(t, stackitem.Null{}, "setAdmin", acc.ScriptHash())
+		nnsInv.Invoke(t, stackitem.Null{}, "addRecord", "frostfs", int64(nns.TXT), nns.Cnametgt+"=animals")
+	})
+
 	t.Run("create global domain", func(t *testing.T) {
 		ctrNNS := neotest.CompileFile(t, c.CommitteeHash, nnsPath, path.Join(nnsPath, "config.yml"))
 		nnsHash := ctrNNS.Hash