Contract module which provides a basic access control mechanism, where there is an account (an owner) that can be granted exclusive access to specific functions. This module is used through inheritance. It will make available the modifier
onlyOwner, which can be aplied to your functions to restrict their use to the owner. In order to transfer ownership, a recipient must be specified, at which point the specified recipient can call
acceptOwnership and take ownership.
function acceptOwnership() external nonpayable
Transfers ownership of the contract to the caller. Can only be called by a new potential owner set by the current owner.
function cancelOwnershipTransfer() external payable
Cancel a transfer of ownership to a new account. Can only be called by the current owner.
function isOwner() external view returns (bool)
Returns true if the caller is the current owner.
function owner() external view returns (address)
Returns the address of the current owner.
function transferOwnership(address newOwner) external payable
Allows a new account (
newOwner) to accept ownership. Can only be called by the current owner.
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)