pragma solidity 0.5.17; /** * @title AccountStateV1 * @author Authereum Labs, Inc. * @dev This contract holds the state variables used by the account contracts. * @dev This abstraction exists in order to retain the order of the state variables. */ contract AccountStateV1 { uint256 public lastInitializedVersion; mapping(address => bool) public authKeys; uint256 public nonce; uint256 public numAuthKeys; }