proposal-30-decentralize-so.../test/utils/Utils.sol

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2023-07-25 18:39:19 +03:00
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { ERC20Permit } from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol";
import { Test } from "@forge-std/Test.sol";
import { TornadoAddresses } from "@proprietary/TornadoAddresses.sol";
import { Mock } from "./Mock.sol";
import { MockProposal } from "./MockProposal.sol";
import { IGovernance } from "@interfaces/IGovernance.sol";
contract Utils is TornadoAddresses, Test, Mock, MockProposal {
address public constant VERIFIER_ADDRESS = tornTokenAddress;
bytes32 public constant PERMIT_TYPEHASH =
keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
bytes32 public constant EIP712_DOMAIN = keccak256(
abi.encode(
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
keccak256(bytes("TornadoCash")),
keccak256(bytes("1")),
1,
VERIFIER_ADDRESS
)
);
uint16 public constant PERMIT_FUNC_SELECTOR = uint16(0x1901);
function retrieveAndLockBalance(uint256 privateKey, address voter, uint256 amount) public {
uint256 lockTimestamp = block.timestamp + PROPOSAL_DURATION;
uint256 accountNonce = ERC20Permit(tornTokenAddress).nonces(voter);
bytes32 messageHash = keccak256(
abi.encodePacked(
PERMIT_FUNC_SELECTOR,
EIP712_DOMAIN,
keccak256(abi.encode(PERMIT_TYPEHASH, voter, governanceAddress, amount, accountNonce, lockTimestamp))
)
);
/* ----------GOVERNANCE------- */
vm.startPrank(governanceAddress);
IERC20(tornTokenAddress).transfer(voter, amount);
vm.stopPrank();
/* ----------------------------*/
(uint8 v, bytes32 r, bytes32 s) = vm.sign(privateKey, messageHash);
/* ----------VOTER------------ */
vm.startPrank(voter);
IGovernance(governanceAddress).lock(voter, amount, lockTimestamp, v, r, s);
vm.stopPrank();
/* ----------------------------*/
}
}