Hello hardhat

apps/contributor/contracts/Contributor.sol

@@ -1,19 +1,18 @@
-pragma solidity ^0.4.24;
+pragma solidity ^0.8.0;
 
-import "@aragon/os/contracts/apps/AragonApp.sol";
-import "@aragon/os/contracts/kernel/IKernel.sol";
+import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
 
 interface ITokenBalance {
-  function balanceOf(address contributorAccount) public view returns (uint256);
+  function balanceOf(address contributorAccount) external view returns (uint256);
 }
 interface IContributionBalance {
-  function totalKreditsEarnedByContributor(uint32 contributorId, bool confirmedOnly) public view returns (uint32 amount);
-  function balanceOf(address owner) public view returns (uint256);
+  function totalKreditsEarnedByContributor(uint32 contributorId, bool confirmedOnly) external view returns (uint32 amount);
+  function balanceOf(address owner) external view returns (uint256);
 }
 
-contract Contributor is AragonApp {
-  bytes32 public constant KERNEL_APP_ADDR_NAMESPACE = 0xd6f028ca0e8edb4a8c9757ca4fdccab25fa1e0317da1188108f7d2dee14902fb;
-  bytes32 public constant MANAGE_CONTRIBUTORS_ROLE = keccak256("MANAGE_CONTRIBUTORS_ROLE");
+contract Contributor is Initializable {
+  IContributionBalance contributionContract;
+  ITokenBalance tokenContract;
 
   struct Contributor {
     address account;
@@ -27,23 +26,23 @@ contract Contributor is AragonApp {
   mapping (uint32 => Contributor) public contributors;
   uint32 public contributorsCount;
 
-  // ensure alphabetic order
-  enum Apps { Contribution, Contributor, Proposal, Reimbursement, Token }
-  bytes32[5] public appIds;
-
   event ContributorProfileUpdated(uint32 id, bytes32 oldHashDigest, bytes32 newHashDigest); // what should be logged
   event ContributorAccountUpdated(uint32 id, address oldAccount, address newAccount);
   event ContributorAdded(uint32 id, address account);
 
-  function initialize(address root, bytes32[5] _appIds) public onlyInit {
-    appIds = _appIds;
 
-    initialized();
+  function initialize() public initializer {
+
   }
 
-  function getContract(uint8 appId) public view returns (address) {
-    IKernel k = IKernel(kernel());
-    return k.getApp(KERNEL_APP_ADDR_NAMESPACE, appIds[appId]);
+  // TODO who can call this when?
+  function setContributionContract(address contribution) public {
+    contributionContract = IContributionBalance(contribution);
+  }
+
+  // TODO who can call this when?
+  function setTokenContract(address token) public {
+    tokenContract = ITokenBalance(token);
   }
 
   function coreContributorsCount() public view returns (uint32) {
@@ -56,7 +55,7 @@ contract Contributor is AragonApp {
     return count;
   }
 
-  function updateContributorAccount(uint32 id, address oldAccount, address newAccount) public auth(MANAGE_CONTRIBUTORS_ROLE) {
+  function updateContributorAccount(uint32 id, address oldAccount, address newAccount) public {
     require(newAccount != address(0), "invalid new account address");
     require(getContributorAddressById(id) == oldAccount, "contributor does not exist");
 
@@ -66,7 +65,7 @@ contract Contributor is AragonApp {
     emit ContributorAccountUpdated(id, oldAccount, newAccount);
   }
 
-  function updateContributorProfileHash(uint32 id, bytes32 hashDigest, uint8 hashFunction, uint8 hashSize) public isInitialized auth(MANAGE_CONTRIBUTORS_ROLE) {
+  function updateContributorProfileHash(uint32 id, bytes32 hashDigest, uint8 hashFunction, uint8 hashSize) public {
     Contributor storage c = contributors[id];
     bytes32 oldHashDigest = c.hashDigest;
     c.hashDigest = hashDigest;
@@ -76,7 +75,7 @@ contract Contributor is AragonApp {
     ContributorProfileUpdated(id, oldHashDigest, c.hashDigest);
   }
 
-  function addContributor(address account, bytes32 hashDigest, uint8 hashFunction, uint8 hashSize) public isInitialized auth(MANAGE_CONTRIBUTORS_ROLE) {
+  function addContributor(address account, bytes32 hashDigest, uint8 hashFunction, uint8 hashSize) public {
     require(!addressExists(account));
     uint32 _id = contributorsCount + 1;
     assert(!contributors[_id].exists); // this can not be acually
@@ -119,7 +118,7 @@ contract Contributor is AragonApp {
     return contributors[id].account;
   }
 
-  function getContributorByAddress(address account) internal view returns (Contributor) {
+  function getContributorByAddress(address account) internal view returns (Contributor memory) {
     uint32 id = contributorIds[account];
     return contributors[id];
   }
@@ -132,17 +131,15 @@ contract Contributor is AragonApp {
     hashFunction = c.hashFunction;
     hashSize = c.hashSize;
     isCore = isCoreTeam(id);
-    address token = getContract(uint8(Apps.Token));
-    balance = ITokenBalance(token).balanceOf(c.account);
-    address contribution = getContract(uint8(Apps.Contribution));
-    totalKreditsEarned = IContributionBalance(contribution).totalKreditsEarnedByContributor(_id, true);
-    contributionsCount = IContributionBalance(contribution).balanceOf(c.account);
+    balance = tokenContract.balanceOf(c.account);
+    totalKreditsEarned = contributionContract.totalKreditsEarnedByContributor(_id, true);
+    contributionsCount = contributionContract.balanceOf(c.account);
     exists = c.exists;
   }
 
   function canPerform(address _who, address _where, bytes32 _what, uint256[] memory _how) public returns (bool) {
     address sender = _who;
-    if (sender == address(-1)) {
+    if (sender == address(0)) {
       sender = tx.origin;
     }
     // _what == keccak256('VOTE_PROPOSAL_ROLE')

apps/contributor/hardhat.config.js

@@ -0,0 +1,63 @@
+require("@nomiclabs/hardhat-waffle");
+require('hardhat-deploy');
+require("hardhat-deploy-ethers");
+require('@openzeppelin/hardhat-upgrades');
+
+const promptly = require('promptly');
+
+// This is a sample Hardhat task. To learn how to create your own go to
+// https://hardhat.org/guides/create-task.html
+task("accounts", "Prints the list of accounts", async () => {
+  const accounts = await ethers.getSigners();
+
+  for (const account of accounts) {
+    console.log(account.address);
+  }
+});
+
+task('fund', "Send eth to an address", async () => {
+  const to = await promptly.prompt('Address:');
+  const value = await promptly.prompt('Value:');
+
+  const signer = await ethers.getSigners();
+
+  const fundTransaction = await signer[0].sendTransaction({to: to, value: ethers.utils.parseEther(value)});
+  console.log(fundTransaction);
+});
+
+task("create-wallet", "Creates a new wallet json", async () => {
+  const wallet = ethers.Wallet.createRandom();
+
+  console.log('New wallet:');
+  console.log(`Address: ${wallet.address}`);
+  console.log(`Public key: ${wallet.publicKey}`);
+  console.log(`Private key: ${wallet.privateKey}`);
+  console.log(`Mnemonic: ${JSON.stringify(wallet.mnemonic)}`);
+
+  const password = await promptly.prompt('Encryption password: ')
+  const encryptedJSON = await wallet.encrypt(password);
+
+  console.log('Encrypted wallet JSON:');
+  console.log(encryptedJSON);
+});
+
+// You need to export an object to set up your config
+// Go to https://hardhat.org/config/ to learn more
+
+/**
+ * @type import('hardhat/config').HardhatUserConfig
+ */
+module.exports = {
+  solidity: "0.8.0",
+  // defaultNetwork: 'localhost',
+  networks: {
+    hardhat: {
+      chainId: 1337
+    }
+  },
+  namedAccounts: {
+    deployer: {
+      default: 0
+    }
+  }
+};

apps/contributor/package.json

@@ -3,13 +3,16 @@
   "version": "1.0.0",
   "description": "",
   "dependencies": {
-    "@aragon/os": "^4.4.0"
+    "@nomiclabs/hardhat-waffle": "^2.0.0",
+    "@openzeppelin/contracts-upgradeable": "^4.1.0",
+    "hardhat": "^2.0.3",
+    "hardhat-deploy": "^0.7.0-beta.35",
+    "hardhat-deploy-ethers": "^0.3.0-beta.7"
   },
   "devDependencies": {
-    "@aragon/test-helpers": "^2.1.0",
-    "eth-gas-reporter": "^0.2.17",
-    "ganache-cli": "^6.9.1",
-    "solidity-coverage": "^0.5.11"
+    "@nomiclabs/hardhat-ethers": "^2.0.2",
+    "@openzeppelin/hardhat-upgrades": "^1.8.2",
+    "ethers": "^5.3.0"
   },
   "scripts": {
     "start": "npm run start:aragon:ipfs",

apps/contributor/scripts/create-proxy.js

@@ -0,0 +1,10 @@
+const { ethers, upgrades } = require("hardhat");
+
+async function main() {
+  const Contributor = await ethers.getContractFactory("Contributor");
+  const contributor = await upgrades.deployProxy(Contributor, []);
+  await contributor.deployed();
+  console.log("Contributor deployed to:", contributor.address);
+}
+
+main();