OssifiableProxy

• Source code
• Source code of WithdrawalsManagerProxy

Deployed instances:

• LidoLocator
• StakingRouter
• WithdrawalQueueERC721
• WithdrawalVault (uses WithdrawalsManagerProxy)
• AccountingOracle
• ValidatorsExitBusOracle

A common proxy contract that used for Lido non-Aragon upgradable contract deployments. Follows the ERC1967 proxy standard and allows ossification (set proxy owner to zero address) for the final implementation version.