Merge pull request #10 from fuseio/feat/add-tranferTokenOwnership

Adding transferTokenOwnership to the native to ERC20 bridge

README.md

@@ -80,6 +80,9 @@ There are two ways to deploy contracts:
 ```bash
 npm install
 ```
+
+If npm install not working for you, try install with `yarn`
+
 #### Deploy
 Please read the [README.md](deploy/README.md) in the `deploy` folder for instructions and .env file configuration
 

contracts/interfaces/IBurnableMintableERC677Token.sol

@@ -5,4 +5,5 @@ contract IBurnableMintableERC677Token is ERC677 {
     function mint(address _to, uint256 _amount) public returns (bool);
     function burn(uint256 _value) public;
     function claimTokens(address _token, address _to) public;
+    function transferOwnership(address _newOwner) public;
 }

contracts/upgradeable_contracts/amb_native_to_erc20/ForeignAMBNativeToErc20.sol

@@ -133,6 +133,15 @@ contract ForeignAMBNativeToErc20 is BasicAMBNativeToErc20, ReentrancyGuard, Base
         return true;
     }
 
+        /**
+    * @dev Transfer token ownership to the new owner.The metod is called by the bridge owner to deprecate the bridge.
+    * @param _owner address address of the new owner.
+    */
+    function transferTokenOwnership(address _owner) external onlyOwner {
+        IBurnableMintableERC677Token(erc677token())
+            .transferOwnership(_owner);
+    }
+
     /**
     * @dev Burns the amount of tokens and makes the request to unlock the native tokens on the other network.
     * @param _token address of the ERC677 token.