79 lines
3.2 KiB
Solidity
79 lines
3.2 KiB
Solidity
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// SPDX-License-Identifier: MIT
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pragma solidity ^0.6.12;
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pragma experimental ABIEncoderV2;
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import { IERC20 } from "@openzeppelin/contracts-v3/token/ERC20/IERC20.sol";
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import { LoopbackProxy } from "../LoopbackProxy.sol";
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import { AdminUpgradeableProxy } from "./AdminUpgradeableProxy.sol";
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import { GovernanceExploitPatchUpgrade } from "./GovernanceExploitPatchUpgrade.sol";
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import { TornadoStakingRewards } from "../TornadoStakingRewards.sol";
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import { RelayerRegistry } from "../RelayerRegistry.sol";
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/**
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* @notice Proposal which should patch governance against the metamorphic contract replacement vulnerability and also fix several issues which have appeared as a result of the attack.
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*/
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contract PatchProposal {
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// Address of the old staking proxy
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address public constant oldStakingProxyAddress = 0x2FC93484614a34f26F7970CBB94615bA109BB4bf;
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// Address of the registry proxy
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address public constant registryProxyAddress = 0x58E8dCC13BE9780fC42E8723D8EaD4CF46943dF2;
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// Address of the gas compensation vault
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address public constant gasCompensationVaultAddress = 0xFA4C1f3f7D5dd7c12a9Adb82Cd7dDA542E3d59ef;
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// Address of the user vault
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address public constant userVaultAddress = 0x2F50508a8a3D323B91336FA3eA6ae50E55f32185;
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// Address of the governance proxy
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address payable public constant governanceProxyAddress = 0x5efda50f22d34F262c29268506C5Fa42cB56A1Ce;
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// Torn token
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IERC20 public constant TORN = IERC20(0x77777FeDdddFfC19Ff86DB637967013e6C6A116C);
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// The staking proxy (pointing to a new implementation (with same code)) that we've deployed
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address public immutable deployedStakingProxyContractAddress;
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// The registry implementation (with same code) that we've deployed
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address public immutable deployedRelayerRegistryImplementationAddress;
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constructor(
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address _deployedStakingProxyContractAddress,
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address _deployedRelayerRegistryImplementationAddress
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) public {
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deployedStakingProxyContractAddress = _deployedStakingProxyContractAddress;
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deployedRelayerRegistryImplementationAddress = _deployedRelayerRegistryImplementationAddress;
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}
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/// @notice Function to execute the proposal.
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function executeProposal() external {
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// Get the old staking contract
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TornadoStakingRewards oldStaking = TornadoStakingRewards(oldStakingProxyAddress);
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// Get the small amount of TORN left
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oldStaking.withdrawTorn(TORN.balanceOf(address(oldStaking)));
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// Upgrade the registry proxy
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AdminUpgradeableProxy(payable(registryProxyAddress)).upgradeTo(
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deployedRelayerRegistryImplementationAddress
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);
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// Now upgrade the governance implementation to the vulnerability resistant one
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LoopbackProxy(governanceProxyAddress).upgradeTo(
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address(
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new GovernanceExploitPatchUpgrade(
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deployedStakingProxyContractAddress,
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gasCompensationVaultAddress,
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userVaultAddress
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)
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)
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);
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// Transfer TORN in compensation to the staking proxy
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TORN.transfer(deployedStakingProxyContractAddress, 94_092 ether);
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}
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}
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