Add validatorList on BaseBridgeValidators

contracts/upgradeable_contracts/BaseBridgeValidators.sol

@@ -27,7 +27,26 @@ contract BaseBridgeValidators is EternalStorage, Ownable {
     pure
     returns (uint64 major, uint64 minor, uint64 patch)
     {
-        return (2, 1, 0);
+        return (2, 2, 0);
+    }
+
+    function validatorList() public view returns (address[]) {
+        address [] memory list = new address[](validatorCount());
+        uint256 counter = 0;
+        address nextValidator = getNextValidator(F_ADDR);
+        require(nextValidator != address(0));
+
+        while (nextValidator != F_ADDR) {
+            list[counter] = nextValidator;
+            nextValidator = getNextValidator(nextValidator);
+            counter++;
+
+            if (nextValidator == address(0) ) {
+                revert();
+            }
+        }
+
+        return list;
     }
 
     function _addValidator(address _validator) internal {

contracts/upgradeable_contracts/RewardableValidators.sol

@@ -67,25 +67,6 @@ contract RewardableValidators is BaseBridgeValidators {
         emit ValidatorRemoved(_validator);
     }
 
-    function validatorList() public view returns (address[]) {
-        address [] memory list = new address[](validatorCount());
-        uint256 counter = 0;
-        address nextValidator = getNextValidator(F_ADDR);
-        require(nextValidator != address(0));
-
-        while (nextValidator != F_ADDR) {
-            list[counter] = nextValidator;
-            nextValidator = getNextValidator(nextValidator);
-            counter++;
-
-            if (nextValidator == address(0) ) {
-                revert();
-            }
-        }
-
-        return list;
-    }
-
     function getValidatorRewardAddress(address _validator) public view returns (address) {
         return addressStorage[keccak256(abi.encodePacked("validatorsRewards", _validator))];
     }

test/validators_test.js

@@ -219,4 +219,19 @@ contract('BridgeValidators', async (accounts) => {
       })
     })
   })
+
+  describe('#Validators list', () => {
+    it('should return validators list', async () => {
+      // Given
+      const validators = accounts.slice(0, 5)
+      const { initialize, validatorList } = bridgeValidators
+      await initialize(1, validators, owner, { from: owner }).should.be.fulfilled
+
+      // When
+      const returnedList = await validatorList()
+
+      // Then
+      returnedList.should.be.eql(validators)
+    })
+  })
 })