Governance deployment scripts (#684)

* Add foundry deployment script and config

* Add generated by foundry build artifact for Treasury

* Add shortcut commands for goerli deployment

* Switch to a production version of predicting a deployment address

* Lower gas price

* Fix a copy-paste error

* Productionise and final test

contracts/governance/foundry.toml

@@ -15,10 +15,15 @@ via_ir = true
 
 [profile.integration]
 match_path = "test/integration/*.sol"
+gas_price = 31_000_000_000
 
 [rpc_endpoints]
+goerli = "${GOERLI_RPC_URL}"
 mainnet = "${MAINNET_RPC_URL}"
 
+[etherscan]
+goerli = { key = "${ETHERSCAN_API_KEY}" }
+
 [profile.smt.model_checker]
 engine = 'chc'
 timeout = 10_000

contracts/governance/package.json

@@ -11,7 +11,10 @@
     "test": "forge test",
     "build": "forge build",
     "build:smt": "FOUNDRY_PROFILE=smt forge build",
-    "test:integration": "source .env && FOUNDRY_PROFILE=integration forge test --fork-url $MAINNET_RPC_URL --fork-block-number 16884148 -vvv"
+    "test:integration": "source .env && FOUNDRY_PROFILE=integration forge test --fork-url $MAINNET_RPC_URL --fork-block-number 16884148 -vvv",
+    "goerli:deploy:zrxtoken": "source .env && forge script script/DeployToken.s.sol:Deploy --rpc-url $GOERLI_RPC_URL --broadcast --slow -vvvv",
+    "goerli:deploy:governance": "source .env && forge script script/DeployGovernance.s.sol:Deploy --rpc-url $GOERLI_RPC_URL --broadcast --slow -vvvv",
+    "mainnet:deploy:governance": "source .env && forge script script/DeployGovernance.s.sol:Deploy --rpc-url $MAINNET_RPC_URL --broadcast --slow -vvvv"
   },
   "repository": {
     "type": "git",

contracts/governance/script/DeployGovernance.s.sol

@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.19;
+
+import "forge-std/Script.sol";
+import "forge-std/console.sol";
+import "forge-std/console2.sol";
+import "@openzeppelin/token/ERC20/IERC20.sol";
+import "@openzeppelin/proxy/ERC1967/ERC1967Proxy.sol";
+
+import "../src/ZRXWrappedToken.sol";
+import "../src/ZeroExVotes.sol";
+import "../src/ZeroExTimelock.sol";
+import "../src/ZeroExProtocolGovernor.sol";
+import "../src/ZeroExTreasuryGovernor.sol";
+
+contract Deploy is Script {
+    address internal constant DEPLOYER = 0xEf37aD2BACD70119F141140f7B5E46Cd53a65fc4;
+    address internal constant ZRX_TOKEN = 0xE41d2489571d322189246DaFA5ebDe1F4699F498;
+    address internal constant TREASURY = 0x0bB1810061C2f5b2088054eE184E6C79e1591101;
+    address internal constant EXCHANGE = 0xDef1C0ded9bec7F1a1670819833240f027b25EfF;
+    address payable internal constant SECURITY_COUNCIL = payable(DEPLOYER);
+    uint256 internal constant QUADRATIC_THRESHOLD = 1000000e18;
+
+    function setUp() public {}
+
+    function run() external {
+        vm.startBroadcast(vm.envAddress("DEPLOYER"));
+
+        console2.log("Zrx Token", ZRX_TOKEN);
+        address wTokenPrediction = predict(DEPLOYER, vm.getNonce(DEPLOYER) + 2);
+        ZeroExVotes votesImpl = new ZeroExVotes(wTokenPrediction, QUADRATIC_THRESHOLD);
+        ERC1967Proxy votesProxy = new ERC1967Proxy(address(votesImpl), abi.encodeCall(votesImpl.initialize, ()));
+        ZRXWrappedToken wToken = new ZRXWrappedToken(IERC20(ZRX_TOKEN), ZeroExVotes(address(votesProxy)));
+
+        assert(address(wToken) == wTokenPrediction);
+        console2.log("Wrapped Token", address(wToken));
+
+        ZeroExVotes votes = ZeroExVotes(address(votesProxy));
+        console2.log("Votes", address(votes));
+
+        address[] memory proposers = new address[](0);
+        address[] memory executors = new address[](0);
+
+        ZeroExTimelock protocolTimelock = new ZeroExTimelock(3 days, proposers, executors, DEPLOYER);
+        console2.log("Protocol timelock", address(protocolTimelock));
+
+        ZeroExProtocolGovernor protocolGovernor = new ZeroExProtocolGovernor(
+            IVotes(address(votes)),
+            protocolTimelock,
+            SECURITY_COUNCIL
+        );
+        protocolTimelock.grantRole(protocolTimelock.PROPOSER_ROLE(), address(protocolGovernor));
+        protocolTimelock.grantRole(protocolTimelock.EXECUTOR_ROLE(), address(protocolGovernor));
+        protocolTimelock.grantRole(protocolTimelock.CANCELLER_ROLE(), address(protocolGovernor));
+        console2.log("Protocol governor", address(protocolGovernor));
+
+        ZeroExTimelock treasuryTimelock = new ZeroExTimelock(2 days, proposers, executors, DEPLOYER);
+        console2.log("Treasury timelock", address(treasuryTimelock));
+
+        ZeroExTreasuryGovernor treasuryGovernor = new ZeroExTreasuryGovernor(
+            IVotes(address(votes)),
+            treasuryTimelock,
+            SECURITY_COUNCIL
+        );
+
+        treasuryTimelock.grantRole(treasuryTimelock.PROPOSER_ROLE(), address(treasuryGovernor));
+        treasuryTimelock.grantRole(treasuryTimelock.EXECUTOR_ROLE(), address(treasuryGovernor));
+        treasuryTimelock.grantRole(treasuryTimelock.CANCELLER_ROLE(), address(treasuryGovernor));
+        console2.log("Treasury governor", address(treasuryGovernor));
+        console2.log(unicode"0x governance deployed successfully 🎉");
+        vm.stopBroadcast();
+    }
+
+    function predict(address deployer, uint256 nonce) internal pure returns (address) {
+        require(nonce > 0 && nonce < 128, "Invalid nonce");
+        return address(uint160(uint256(keccak256(abi.encodePacked(bytes2(0xd694), deployer, bytes1(uint8(nonce)))))));
+    }
+}

contracts/governance/script/DeployToken.s.sol

@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.19;
+
+import "forge-std/Script.sol";
+import "forge-std/console2.sol";
+
+contract Deploy is Script {
+    function setUp() public {}
+
+    function run() external {
+        vm.startBroadcast(vm.envAddress("DEPLOYER"));
+
+        bytes memory _bytecode = vm.getCode("./ZRXToken.json");
+        address zrxToken;
+        assembly {
+            zrxToken := create(0, add(_bytecode, 0x20), mload(_bytecode))
+        }
+        console2.log("Zrx Token", zrxToken);
+        console2.log(unicode"Zrx Token deployed successfully 🎉");
+        vm.stopBroadcast();
+    }
+}