OwnedUpgradeabilityProxy (OwnedUpgradeabilityProxy.sol)

View Source: contracts/proxy/OwnedUpgradeabilityProxy.sol

↗ Extends: UpgradeabilityProxy ↘ Derived Contracts: BlacklistTransferManagerProxy, CappedSTOProxy, CountTransferManagerProxy, DummySTOProxy, ERC20DividendCheckpointProxy, EtherDividendCheckpointProxy, GeneralPermissionManagerProxy, GeneralTransferManagerProxy, LockUpTransferManagerProxy, ManualApprovalTransferManagerProxy, ModuleRegistryProxy, PercentageTransferManagerProxy, PLCRVotingCheckpointProxy, PreSaleSTOProxy, SecurityTokenProxy, SecurityTokenRegistryProxy, USDTieredSTOProxy, VestingEscrowWalletProxy, VolumeRestrictionTMProxy, WeightedVoteCheckpointProxy

OwnedUpgradeabilityProxy

This contract combines an upgradeability proxy with basic authorization control functionalities

Contract Members

Constants & Variables

address private __upgradeabilityOwner;

Events

event ProxyOwnershipTransferred(address  _previousOwner, address  _newOwner);

Modifiers

• ifOwner

ifOwner

Throws if called by any account other than the owner.

modifier ifOwner() internal

Arguments

Name	Type	Description

Functions

• ()

• _upgradeabilityOwner()

• _setUpgradeabilityOwner(address _newUpgradeabilityOwner)

• _implementation()

• proxyOwner()

• version()

• implementation()

• transferProxyOwnership(address _newOwner)

• upgradeTo(string _newVersion, address _newImplementation)

• upgradeToAndCall(string _newVersion, address _newImplementation, bytes _data)

• _upgradeToAndCall(string _newVersion, address _newImplementation, bytes _data)

the constructor sets the original owner of the contract to the sender account.

function () public nonpayable

Arguments

Name	Type	Description

_upgradeabilityOwner

Tells the address of the owner

function _upgradeabilityOwner() internal view
returns(address)

Returns

the address of the owner

Arguments

Name	Type	Description

_setUpgradeabilityOwner

Sets the address of the owner

function _setUpgradeabilityOwner(address _newUpgradeabilityOwner) internal nonpayable

Arguments

Name	Type	Description
_newUpgradeabilityOwner	address

_implementation

⤾ overrides Proxy._implementation

Internal function to provide the address of the implementation contract

function _implementation() internal view
returns(address)

Arguments

Name	Type	Description

proxyOwner

Tells the address of the proxy owner

function proxyOwner() external nonpayable ifOwner 
returns(address)

Returns

the address of the proxy owner

Arguments

Name	Type	Description

version

Tells the version name of the current implementation

function version() external nonpayable ifOwner 
returns(string)

Returns

string representing the name of the current version

Arguments

Name	Type	Description

implementation

Tells the address of the current implementation

function implementation() external nonpayable ifOwner 
returns(address)

Returns

address of the current implementation

Arguments

Name	Type	Description

transferProxyOwnership

Allows the current owner to transfer control of the contract to a newOwner.

function transferProxyOwnership(address _newOwner) external nonpayable ifOwner

Arguments

Name	Type	Description
_newOwner	address	The address to transfer ownership to.

upgradeTo

Allows the upgradeability owner to upgrade the current version of the proxy.

function upgradeTo(string _newVersion, address _newImplementation) external nonpayable ifOwner

Arguments

Name	Type	Description
_newVersion	string	representing the version name of the new implementation to be set.
_newImplementation	address	representing the address of the new implementation to be set.

upgradeToAndCall

Allows the upgradeability owner to upgrade the current version of the proxy and call the new implementation to initialize whatever is needed through a low level call.

function upgradeToAndCall(string _newVersion, address _newImplementation, bytes _data) external payable ifOwner

Arguments

Name	Type	Description
_newVersion	string	representing the version name of the new implementation to be set.
_newImplementation	address	representing the address of the new implementation to be set.
_data	bytes	represents the msg.data to bet sent in the low level call. This parameter may include the function

signature of the implementation to be called with the needed payload |

_upgradeToAndCall

function _upgradeToAndCall(string _newVersion, address _newImplementation, bytes _data) internal nonpayable

Arguments

Name	Type	Description
_newVersion	string
_newImplementation	address
_data	bytes