diff --git a/contracts/IContractManager.sol b/contracts/IContractManager.sol
index 9fd11a5..9d8bf2d 100644
--- a/contracts/IContractManager.sol
+++ b/contracts/IContractManager.sol
@@ -20,6 +20,7 @@
 */
 
 pragma solidity >=0.6.10 <0.9.0;
+
 interface IContractManager {
     /**
      * @dev Emitted when contract is upgraded.
@@ -27,6 +28,7 @@ interface IContractManager {
     event ContractUpgraded(string contractsName, address contractsAddress);
 
     function setContractsAddress(string calldata contractsName, address newContractsAddress) external;
+    function contracts(bytes32 nameHash) external view returns (address);
     function getDelegationPeriodManager() external view returns (address);
     function getBounty() external view returns (address);
     function getValidatorService() external view returns (address);