CCIP v1.5.1 Ownable2Step Contract API Reference
Ownable2Step
A minimal contract that implements 2-step ownership transfer and nothing more. It's made to be minimal to reduce the impact of the bytecode size on any contract that inherits from it.
Events
OwnershipTransferRequested
event OwnershipTransferRequested(address indexed from, address indexed to);
Parameters
Name | Type | Description |
---|---|---|
from | address | Current owner initiating the transfer |
to | address | Proposed new owner |
OwnershipTransferred
event OwnershipTransferred(address indexed from, address indexed to);
Parameters
Name | Type | Description |
---|---|---|
from | address | Previous owner |
to | address | New owner |
Errors
CannotTransferToSelf
error CannotTransferToSelf();
MustBeProposedOwner
error MustBeProposedOwner();
OnlyCallableByOwner
error OnlyCallableByOwner();
OwnerCannotBeZero
error OwnerCannotBeZero();
State Variables
s_owner
The owner is the current owner of the contract.
address private s_owner;
s_pendingOwner
The pending owner is the address to which ownership may be transferred.
address private s_pendingOwner;
Functions
acceptOwnership
Allows an ownership transfer to be completed by the recipient.
function acceptOwnership() external override;
constructor
Initializes the contract with an owner and optionally a pending owner.
constructor(address newOwner, address pendingOwner);
Parameters
Name | Type | Description |
---|---|---|
newOwner | address | The initial owner of the contract |
pendingOwner | address | Optional address to initiate ownership transfer to |
onlyOwner
Modifier that restricts function access to the contract owner.
modifier onlyOwner();
owner
Returns the current owner's address.
function owner() public view override returns (address);
Returns
Type | Description |
---|---|
address | The address of the current owner |
transferOwnership
Allows an owner to begin transferring ownership to a new address.
function transferOwnership(address to) public override onlyOwner;
Parameters
Name | Type | Description |
---|---|---|
to | address | The address to which ownership will be transferred |
_validateOwnership
Internal function to validate access control.
function _validateOwnership() internal view;