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fix(proxy): add zero address check to upgradeTo #354

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fix(proxy): add zero address check to upgradeTo #354

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1 change: 1 addition & 0 deletions src/universal/Proxy.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ contract Proxy {
/// when this contract is called.
/// @param _implementation Address of the implementation contract.
function upgradeTo(address _implementation) public virtual proxyCallIfNotAdmin {
require(_implementation != address(0), "Proxy: implementation cannot be address(0)");
_setImplementation(_implementation);
}

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