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