policy/policy_contract.go

@@ -115,7 +115,7 @@ func mapToNumeric(ctx storage.Context, kind Kind, name []byte) (mapped int, mapp
 	mKey := mapKey(kind, name)
 	numericID := storage.Get(ctx, mKey)
 	if numericID == nil {
-		return
+		return 0, false
 	}
 	mapped = numericID.(int)
 	mappingExists = true

rpcclient/policy/client.go

@@ -196,3 +196,25 @@ func (c *Contract) SetAdminTransaction(addr util.Uint160) (*transaction.Transact
 func (c *Contract) SetAdminUnsigned(addr util.Uint160) (*transaction.Transaction, error) {
 	return c.actor.MakeUnsignedCall(c.hash, "setAdmin", nil, addr)
 }
+
+// Update creates a transaction invoking `update` 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) Update(script []byte, manifest []byte, data any) (util.Uint256, uint32, error) {
+	return c.actor.SendCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateTransaction creates a transaction invoking `update` method of the contract.
+// This transaction is signed, but not sent to the network, instead it's
+// returned to the caller.
+func (c *Contract) UpdateTransaction(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeCall(c.hash, "update", script, manifest, data)
+}
+
+// UpdateUnsigned creates a transaction invoking `update` 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) UpdateUnsigned(script []byte, manifest []byte, data any) (*transaction.Transaction, error) {
+	return c.actor.MakeUnsignedCall(c.hash, "update", nil, script, manifest, data)
+}

tests/policy_test.go

@@ -32,6 +32,9 @@ func newPolicyInvoker(t *testing.T) *neotest.ContractInvoker {
 func TestPolicy(t *testing.T) {
 	e := newPolicyInvoker(t)
 
+	checkChainsIteratorByPrefix(t, e, policy.Namespace, "mynamespace", "ingress", [][]byte{})
+	checkChainsIteratorByPrefix(t, e, policy.Container, "cnr1", "ingress", [][]byte{})
+
 	// Policies are opaque to the contract and are just raw bytes to store.
 	p1 := []byte("chain1")
 	p2 := []byte("chain2")