internal/frostfs/policy/contract/contract.go

@@ -41,6 +41,11 @@ type Config struct {
 	Key *keys.PrivateKey
 }
 
+const (
+	batchSize              = 100
+	iteratorChainsByPrefix = "iteratorChainsByPrefix"
+)
+
 var _ policy.Contract = (*Client)(nil)
 
 // New creates new Policy contract wrapper.
@@ -114,7 +119,8 @@ func (c *Client) RemoveChain(kind policycontract.Kind, entity string, name []byt
 }
 
 func (c *Client) ListChains(kind policycontract.Kind, entity string, name []byte) ([][]byte, error) {
-	items, err := c.policyContract.ListChainsByPrefix(big.NewInt(int64(kind)), entity, name)
+	items, err := commonclient.ReadIteratorItems(c.actor, batchSize, c.contractHash, iteratorChainsByPrefix,
+		big.NewInt(int64(kind)), entity, name)
 	if err != nil {
 		return nil, err
 	}