aionnetwork
AIP-011: Ownable Smart Contract
Title: Ownable Smart Contract
Author(s): Manuel Garcia, Pavel Orda
Type: ASC (Aion Standards and Conventions)
Status: DRAFT
Creation Date: May 28th, 2019
Contact Information: [email protected]
Related issue: https://github.com/aionnetwork/AIP/issues/22
Summary
Contract module for simple authorization and access control mechanisms.
Value Proposition
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.
Motivation
This module could be used through inheritance. It will make available the modifier onlyOwner, which can be aplied to your functions to restrict their use to the owner.
Non-Goals
Success Metrics
Description
Specification
Based on Solidity implementation https://github.com/OpenZeppelin/openzeppelin-solidity/blob/master/contracts/ownership/Ownable.sol
Logic
Risks & Assumptions
Test Cases
Test cases reference implementation
Implementations
Definitions
Methods
getOwner function
Returns the address of the current owner.
returns: Address of the owner
public static Address getOwner()
renounceOwnership function
Leaves the contract without owner. Can only be called by the current owner.
Note: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.
public static void renounceOwnership()
transferOwnership function
Transfers ownership of the contract to a new account (newOwner).
Can only be called by the current owner.
public static void transferOwnership(Address newOwner)
parameters
tokenHolder: Address for which the balance is returned.
onlyOwner function
Stops transaction if called by any account other than the owner. Do not work for function calls
private static void onlyOwner()
OwnershipTransferred event
Indicates ownership change form oldOwner address to newOwner address.
parameters
oldOwner: Address of previous owner.
newOwner: Address of new owner.
private static void emitOwnershipTransferredEvent(Address oldOwner, Address newOwner)
Dependencies
Copyright
All AIP’s are public domain. Copyright waiver to be linked to https://creativecommons.org/publicdomain/zero/1.0/
