feat(contracts): add registry integration

- [x] Add deploy poll task
- [x] Add init poll task
- [x] Link registry and poll
- [x] Add deploy poll registry method for MACI

.github/workflows/hardhat-tasks.yml

@@ -58,6 +58,8 @@ jobs:
         run: |
           cp ./deploy-config-example.json ./deploy-config.json
           pnpm deploy:localhost
+          pnpm deploy-poll:localhost
+          pnpm initPoll:localhost --poll 1
         working-directory: packages/contracts
 
       - name: Stop Hardhat

packages/contracts/contracts/interfaces/IPoll.sol

@@ -10,4 +10,8 @@ import { IOwnable } from "./IOwnable.sol";
 interface IPoll is IPollBase, IOwnable {
   /// @notice The initialization function.
   function init() external;
+
+  /// @notice Set the poll registry.
+  /// @param registryAddress The registry address
+  function setRegistry(address registryAddress) external;
 }

packages/contracts/contracts/maci/MACI.sol

@@ -12,6 +12,7 @@ import { SignUpGatekeeper } from "maci-contracts/contracts/gatekeepers/SignUpGat
 import { ICommon } from "../interfaces/ICommon.sol";
 import { IPoll } from "../interfaces/IPoll.sol";
 import { IRegistryManager } from "../interfaces/IRegistryManager.sol";
+import { EASRegistry } from "../registry/EASRegistry.sol";
 
 /// @title MACI - Minimum Anti-Collusion Infrastructure
 /// @notice A contract which allows users to sign up, and deploy new polls
@@ -49,12 +50,27 @@ contract MACI is Ownable, BaseMACI, ICommon {
     )
   {}
 
+  /// @notice Deploy a new instance of the registry contract
+  /// @param max The maximum number of projects that can be registered
+  /// @param url The metadata url
+  /// @param easAddress The EAS address
+  function deployPollRegistry(
+    uint256 max,
+    bytes32 url,
+    address easAddress
+  ) public onlyOwner returns (address) {
+    EASRegistry registry = new EASRegistry(max, url, easAddress, address(registryManager));
+
+    return address(registry);
+  }
+
   /// @notice Initialize the poll by given poll id and transfer poll ownership to the caller.
   /// @param pollId The poll id
-  function initPoll(uint256 pollId) public onlyOwner {
+  function initPoll(uint256 pollId, address registryAddress) public onlyOwner {
     PollContracts memory pollAddresses = polls[pollId];
     IPoll poll = IPoll(pollAddresses.poll);
 
+    poll.setRegistry(registryAddress);
     poll.init();
     poll.transferOwnership(msg.sender);
   }

packages/contracts/contracts/maci/Poll.sol

@@ -4,18 +4,27 @@ pragma solidity ^0.8.20;
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
 import { Poll as BasePoll } from "maci-contracts/contracts/Poll.sol";
 
+import { ICommon } from "../interfaces/ICommon.sol";
+
 /// @title Poll
 /// @notice A Poll contract allows voters to submit encrypted messages
 /// which can be either votes or key change messages.
 /// @dev Do not deploy this directly. Use PollFactory.deploy() which performs some
 /// checks on the Poll constructor arguments.
-contract Poll is Ownable, BasePoll {
+contract Poll is Ownable, BasePoll, ICommon {
+  /// @notice Poll specific registry
+  address public registry;
+
+  /// @notice custom errors
+  error RegistryAlreadyInitialized();
+
   /// @notice Each MACI instance can have multiple Polls.
   /// When a Poll is deployed, its voting period starts immediately.
   /// @param duration The duration of the voting period, in seconds
   /// @param treeDepths The depths of the merkle trees
   /// @param coordinatorPubKey The coordinator's public key
   /// @param extContracts The external contracts
+  /// @param emptyBallotRoot The empty ballot root
   constructor(
     uint256 duration,
     TreeDepths memory treeDepths,
@@ -28,6 +37,20 @@ contract Poll is Ownable, BasePoll {
     BasePoll(duration, treeDepths, coordinatorPubKey, extContracts, emptyBallotRoot)
   {}
 
+  /// @notice Set poll registry.
+  /// @param registryAddress The registry address
+  function setRegistry(address registryAddress) public onlyOwner {
+    if (registryAddress == address(0)) {
+      revert InvalidAddress();
+    }
+
+    if (address(registry) != address(0)) {
+      revert RegistryAlreadyInitialized();
+    }
+
+    registry = registryAddress;
+  }
+
   /// @notice The initialization function.
   function init() public override onlyOwner {
     super.init();

packages/contracts/deploy-config-example.json

@@ -36,6 +36,8 @@
       "registryManager": "EASRegistryManager"
     },
     "EASRegistryManager": {
+      "maxRecipients": 25,
+      "metadataUrl": "url",
       "easAddress": "0xC2679fBD37d54388Ce493F1DB75320D236e1815e"
     },
     "VkRegistry": {
@@ -101,6 +103,8 @@
       "registryManager": "EASRegistryManager"
     },
     "EASRegistryManager": {
+      "maxRecipients": 25,
+      "metadataUrl": "url",
       "easAddress": "0xaEF4103A04090071165F78D45D83A0C0782c2B2a"
     },
     "VkRegistry": {
@@ -167,6 +171,8 @@
       "registryManager": "EASRegistryManager"
     },
     "EASRegistryManager": {
+      "maxRecipients": 25,
+      "metadataUrl": "url",
       "easAddress": "0x4200000000000000000000000000000000000021"
     },
     "VkRegistry": {
@@ -233,6 +239,8 @@
       "registryManager": "EASRegistryManager"
     },
     "EASRegistryManager": {
+      "maxRecipients": 25,
+      "metadataUrl": "url",
       "easAddress": "0xC2679fBD37d54388Ce493F1DB75320D236e1815e"
     },
     "VkRegistry": {
@@ -299,6 +307,8 @@
       "registryManager": "EASRegistryManager"
     },
     "EASRegistryManager": {
+      "maxRecipients": 25,
+      "metadataUrl": "url",
       "easAddress": "0xC2679fBD37d54388Ce493F1DB75320D236e1815e"
     },
     "VkRegistry": {
@@ -365,6 +375,8 @@
       "registryManager": "EASRegistryManager"
     },
     "EASRegistryManager": {
+      "maxRecipients": 25,
+      "metadataUrl": "url",
       "easAddress": "0x4200000000000000000000000000000000000021"
     },
     "VkRegistry": {
@@ -436,6 +448,8 @@
       "registryManager": "EASRegistryManager"
     },
     "EASRegistryManager": {
+      "maxRecipients": 25,
+      "metadataUrl": "url",
       "easAddress": "0x4200000000000000000000000000000000000021"
     },
     "VkRegistry": {

packages/contracts/hardhat.config.ts

@@ -5,6 +5,7 @@ import "hardhat-artifactor";
 import "hardhat-contract-sizer";
 import "maci-contracts/tasks/deploy";
 import "maci-contracts/tasks/runner/deployFull";
+import "maci-contracts/tasks/runner/deployPoll";
 import "maci-contracts/tasks/runner/verifyFull";
 import "solidity-docgen";
 
@@ -13,6 +14,7 @@ import type { HardhatUserConfig } from "hardhat/config";
 // Don't forget to import new tasks here
 import "./tasks/deploy";
 import { EChainId, ESupportedChains, getEtherscanApiKeys, getNetworkRpcUrls } from "./tasks/helpers/constants";
+import "./tasks/runner/initPoll";
 
 dotenv.config();
 

packages/contracts/package.json

@@ -34,7 +34,11 @@
     "coverage": "BLOCK_GAS_LIMIT=1599511627775 hardhat coverage",
     "test": "hardhat test --network hardhat",
     "deploy": "hardhat deploy-full",
-    "deploy:localhost": "pnpm run deploy"
+    "initPoll": "hardhat initPoll",
+    "deploy-poll": "hardhat deploy-poll",
+    "deploy:localhost": "pnpm run deploy",
+    "deploy-poll:localhost": "pnpm run deploy-poll",
+    "initPoll:localhost": "pnpm run initPoll"
   },
   "dependencies": {
     "@nomicfoundation/hardhat-ethers": "^3.0.6",

packages/contracts/tasks/deploy/index.ts

@@ -4,7 +4,7 @@ import path from "path";
 /**
  * The same as individual imports but doesn't require to add new import line every time
  */
-["maci"].forEach((folder) => {
+["maci", "poll"].forEach((folder) => {
   const tasksPath = path.resolve(__dirname, folder);
 
   if (fs.existsSync(tasksPath)) {