UpgradeGatekeeper

This contract is an implementation of the IUpgradeGatekeeper interface.

The UpgradeGatekeeper contract allows an owner to set and reset upgrade targets for contract proxies.

setUpgradeTarget

function setUpgradeTarget(address _proxy, address _target) public

This method can only be called by the contract owner.

Set the upgrade target for a given proxy address.

Parameters

Name	Type	Description
_proxy	address	The address of the proxy.
_target	address	The address of the upgrade target.

getUpgradeTarget

function getUpgradeTarget(address _proxy) public view returns (address)

Retrieve the upgrade target for a given proxy address.

Parameters

Name	Type	Description
_proxy	address	The address of the proxy.

Return Values

Name	Type	Description
[0]	address	The address of the upgrade target.

resetUpgradeTarget

function resetUpgradeTarget() public

The address calling this method must have a set upgrade target, else it will throw an error.

Reset the upgrade target for a proxy. Only the proxy itself can reset its upgrade target.

supportsInterface

function supportsInterface(bytes4 _interfaceId) public view virtual returns (bool)

Checks if the contract implements an interface.

Parameters

Name	Type	Description
_interfaceId	bytes4	The ID of the interface.

Return Values

Name	Type	Description
[0]	bool	True if the contract implements the interface, false otherwise.