laconicd-deprecated/tests-solidity/suites/staking/contracts/proxies/StakingProxy.sol

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pragma solidity ^0.5.17;
import "../lib/os/ERC20.sol";
import "../Staking.sol";
import "./ThinProxy.sol";
contract StakingProxy is ThinProxy {
// keccak256("aragon.network.staking")
bytes32 internal constant IMPLEMENTATION_SLOT = 0xbd536e2e005accda865e2f0d1827f83ec8824f3ea04ecd6131b7c10058635814;
constructor(Staking _implementation, ERC20 _token) ThinProxy(address(_implementation)) public {
bytes4 selector = _implementation.initialize.selector;
bytes memory initializeData = abi.encodeWithSelector(selector, _token);
(bool success,) = address(_implementation).delegatecall(initializeData);
if (!success) {
assembly {
let output := mload(0x40)
mstore(0x40, add(output, returndatasize))
returndatacopy(output, 0, returndatasize)
revert(output, returndatasize)
}
}
}
function _implementationSlot() internal pure returns (bytes32) {
return IMPLEMENTATION_SLOT;
}
}