fix(Validator): correct return of getValidators and `getBlockProduc…

…ers`

contracts/interfaces/validator/info-fragments/IValidatorInfoV2.sol

@@ -26,12 +26,22 @@ interface IValidatorInfoV2 {
   /**
    * @dev Returns the current validator list.
    */
-  function getValidators() external view returns (address[] memory _validatorList);
+  function getValidators() external view returns (TConsensus[] memory validatorList);
+
+  /**
+   * @dev Returns the ids of current validator list.
+   */
+  function getValidatorIds() external view returns (address[] memory cids);
 
   /**
    * @dev Returns the current block producer list.
    */
-  function getBlockProducers() external view returns (address[] memory);
+  function getBlockProducers() external view returns (TConsensus[] memory consensusList);
+
+  /**
+   * @dev Returns the ids current block producer list.
+   */
+  function getBlockProducerIds() external view returns (address[] memory cids);
 
   /**
    * @dev Returns whether the address is block producer or not.

contracts/mocks/validator/MockValidatorSet.sol

@@ -59,7 +59,9 @@ contract MockValidatorSet is
 
   function epochOf(uint256 _block) external view override returns (uint256) {}
 
-  function getValidators() external view override returns (address[] memory) {}
+  function getValidators() external view override returns (TConsensus[] memory) {}
+
+  function getValidatorIds() external view override returns (address[] memory) {}
 
   function epochEndingAt(uint256 _block) external view override returns (bool) {}
 
@@ -84,7 +86,9 @@ contract MockValidatorSet is
     return _numberOfBlocksInEpoch;
   }
 
-  function getBlockProducers() external view override returns (address[] memory) {}
+  function getBlockProducers() external view override returns (TConsensus[] memory) {}
+
+  function getBlockProducerIds() external view override returns (address[] memory) {}
 
   function isBlockProducer(TConsensus) external pure override returns (bool) {
     return true;
@@ -125,6 +129,10 @@ contract MockValidatorSet is
     return IProfile(getContract(ContractType.PROFILE)).getManyConsensus2Id(consensusAddrs);
   }
 
+  function __cid2cssBatch(address[] memory cids) internal view override returns (TConsensus[] memory) {
+    return IProfile(getContract(ContractType.PROFILE)).getManyId2Consensus(cids);
+  }
+
   function execReleaseLockedFundForEmergencyExitRequest(
     address _candidateId,
     address payable _recipient

contracts/ronin/Maintenance.sol

@@ -261,7 +261,7 @@ contract Maintenance is IMaintenance, HasContracts, HasValidatorDeprecated, Init
    * @inheritdoc IMaintenance
    */
   function totalSchedule() public view override returns (uint256 count) {
-    address[] memory validatorIds = IRoninValidatorSet(getContract(ContractType.VALIDATOR)).getValidators();
+    address[] memory validatorIds = IRoninValidatorSet(getContract(ContractType.VALIDATOR)).getValidatorIds();
     unchecked {
       for (uint i = 0; i < validatorIds.length; i++) {
         if (_checkScheduledById(validatorIds[i])) {

contracts/ronin/validator/CandidateManager.sol

@@ -107,7 +107,7 @@ abstract contract CandidateManager is
    * @inheritdoc ICandidateManager
    */
   function getValidatorCandidates() external view override returns (TConsensus[] memory) {
-    return IProfile(getContract(ContractType.PROFILE)).getManyId2Consensus(_candidateIds);
+    return __cid2cssBatch(getValidatorCandidateIds());
   }
 
   /**
@@ -285,4 +285,7 @@ abstract contract CandidateManager is
 
   /// @dev See {RoninValidatorSet-__css2cidBatch}
   function __css2cidBatch(TConsensus[] memory consensusAddrs) internal view virtual returns (address[] memory);
+
+  /// @dev See {RoninValidatorSet-__cid2cssBatch}
+  function __cid2cssBatch(address[] memory cids) internal view virtual returns (TConsensus[] memory);
 }

contracts/ronin/validator/CoinbaseExecution.sol

@@ -111,7 +111,7 @@ abstract contract CoinbaseExecution is
     uint256 newPeriod = _computePeriod(block.timestamp);
     bool periodEnding = _isPeriodEnding(newPeriod);
 
-    address[] memory currValidatorIds = getValidators();
+    address[] memory currValidatorIds = getValidatorIds();
     address[] memory revokedCandidateIds;
     uint256 epoch = epochOf(block.number);
     uint256 nextEpoch = epoch + 1;
@@ -410,7 +410,7 @@ abstract contract CoinbaseExecution is
         ++_i;
       }
     }
-    emit BlockProducerSetUpdated(_newPeriod, _nextEpoch, getBlockProducers());
+    emit BlockProducerSetUpdated(_newPeriod, _nextEpoch, getBlockProducerIds());
   }
 
   /**

contracts/ronin/validator/EmergencyExit.sol

@@ -165,6 +165,11 @@ abstract contract EmergencyExit is IEmergencyExit, RONTransferHelper, CandidateM
     TConsensus[] memory consensusAddrs
   ) internal view virtual override(CandidateManager, CommonStorage) returns (address[] memory);
 
+  /// @dev See {RoninValidatorSet-__cid2cssBatch}
+  function __cid2cssBatch(
+    address[] memory cids
+  ) internal view virtual override(CandidateManager, ValidatorInfoStorageV2) returns (TConsensus[] memory);
+
   /**
    * @dev See `setEmergencyExitLockedAmount.
    */

contracts/ronin/validator/RoninValidatorSet.sol

@@ -102,4 +102,13 @@ contract RoninValidatorSet is Initializable, CoinbaseExecution, SlashingExecutio
   ) internal view override(EmergencyExit, CommonStorage) returns (address[] memory) {
     return IProfile(getContract(ContractType.PROFILE)).getManyConsensus2Id(consensusAddrs);
   }
+
+  /**
+   * @dev Convert many id to corresponding consensus addresses from the Profile contract.
+   */
+  function __cid2cssBatch(
+    address[] memory cids
+  ) internal view override(EmergencyExit, ValidatorInfoStorageV2) returns (TConsensus[] memory) {
+    return IProfile(getContract(ContractType.PROFILE)).getManyId2Consensus(cids);
+  }
 }

contracts/ronin/validator/storage-fragments/ValidatorInfoStorageV2.sol

@@ -37,12 +37,19 @@ abstract contract ValidatorInfoStorageV2 is IValidatorInfoV2, HasContracts, HasT
   /**
    * @inheritdoc IValidatorInfoV2
    */
-  function getValidators() public view override returns (address[] memory validatorList_) {
-    validatorList_ = new address[](_validatorCount);
+  function getValidators() public view override returns (TConsensus[] memory consensusList) {
+    return __cid2cssBatch(getValidatorIds());
+  }
+
+  /**
+   * @inheritdoc IValidatorInfoV2
+   */
+  function getValidatorIds() public view override returns (address[] memory cids) {
+    cids = new address[](_validatorCount);
     address iValidator;
-    for (uint i; i < validatorList_.length; ) {
+    for (uint i; i < cids.length; ) {
       iValidator = _validatorIds[i];
-      validatorList_[i] = iValidator;
+      cids[i] = iValidator;
 
       unchecked {
         ++i;
@@ -53,13 +60,20 @@ abstract contract ValidatorInfoStorageV2 is IValidatorInfoV2, HasContracts, HasT
   /**
    * @inheritdoc IValidatorInfoV2
    */
-  function getBlockProducers() public view override returns (address[] memory result) {
-    result = new address[](_validatorCount);
+  function getBlockProducers() public view override returns (TConsensus[] memory consensusList) {
+    return __cid2cssBatch(getBlockProducerIds());
+  }
+
+  /**
+   * @inheritdoc IValidatorInfoV2
+   */
+  function getBlockProducerIds() public view override returns (address[] memory cids) {
+    cids = new address[](_validatorCount);
     uint256 count = 0;
-    for (uint i; i < result.length; ) {
+    for (uint i; i < cids.length; ) {
       address validatorId = _validatorIds[i];
       if (_isBlockProducerById(validatorId)) {
-        result[count++] = validatorId;
+        cids[count++] = validatorId;
       }
 
       unchecked {
@@ -68,7 +82,7 @@ abstract contract ValidatorInfoStorageV2 is IValidatorInfoV2, HasContracts, HasT
     }
 
     assembly {
-      mstore(result, count)
+      mstore(cids, count)
     }
   }
 
@@ -146,4 +160,7 @@ abstract contract ValidatorInfoStorageV2 is IValidatorInfoV2, HasContracts, HasT
 
   /// @dev See {RoninValidatorSet-__css2cidBatch}
   function __css2cidBatch(TConsensus[] memory consensusAddrs) internal view virtual returns (address[] memory);
+
+  /// @dev See {RoninValidatorSet-__cid2cssBatch}
+  function __cid2cssBatch(address[] memory cids) internal view virtual returns (TConsensus[] memory);
 }