diff --git a/contracts/gateway/GraphTokenGateway.sol b/contracts/gateway/GraphTokenGateway.sol index 7f3720163..b239af00a 100644 --- a/contracts/gateway/GraphTokenGateway.sol +++ b/contracts/gateway/GraphTokenGateway.sol @@ -12,6 +12,9 @@ import "../governance/Managed.sol"; * @dev This includes everything that's shared between the L1 and L2 sides of the bridge. */ abstract contract GraphTokenGateway is GraphUpgradeable, Pausable, Managed, ITokenGateway { + // Storage gap added in case we need to add state variables to this contract + uint256[50] private __gap; + /** * @dev Check if the caller is the Controller's governor or this contract's pause guardian. */ diff --git a/contracts/l2/token/GraphTokenUpgradeable.sol b/contracts/l2/token/GraphTokenUpgradeable.sol index 6d003c1c3..4ecfb9ffa 100644 --- a/contracts/l2/token/GraphTokenUpgradeable.sol +++ b/contracts/l2/token/GraphTokenUpgradeable.sol @@ -50,6 +50,8 @@ contract GraphTokenUpgradeable is GraphUpgradeable, Governed, ERC20BurnableUpgra bytes32 private DOMAIN_SEPARATOR; mapping(address => bool) private _minters; mapping(address => uint256) public nonces; + // Storage gap added in case we need to add state variables to this contract + uint256[47] private __gap; // -- Events --