Get proxy admin of a proxy contract

jamestran · September 26, 2021, 5:53pm

Hello there,

I have a proxy contract (TransparentUpgradeableProxy), is there anyway the contract itself get the proxy admin of it?

frangio · October 6, 2021, 2:12am

By "the contract itself" do you mean the implementation code? You can copy this function from ERC1967Upgrade:

OpenZeppelin/openzeppelin-contracts/blob/v4.3.0/contracts/proxy/ERC1967/ERC1967Upgrade.sol#L124-L126

    
      
          function _getAdmin() internal view returns (address) {
              return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
          }

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Get proxy admin of a proxy contract

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