diff --git a/scripts/add-proposal.js b/scripts/add-proposal.js
deleted file mode 100644
index e4b9bc0..0000000
--- a/scripts/add-proposal.js
+++ /dev/null
@@ -1,56 +0,0 @@
-const promptly = require('promptly');
-const { inspect } = require('util');
-
-const initKredits = require('./helpers/init_kredits.js');
-
-module.exports = async function(callback) {
-  let kredits;
-  try {
-    kredits = await initKredits(web3);
-  } catch(e) {
-    callback(e);
-    return;
-  }
-
-  console.log(`Using Proposal at: ${kredits.Proposal.contract.address}`);
-
-  let contributor = await promptly.prompt('Contributor (address or id): ');
-  let contributorId;
-  let contributorAccount;
-  if (contributor.length < 5) {
-    contributorId = contributor;
-    contributorAccount = await kredits.Contributor.contract.getContributorAddressById(contributor);
-  } else {
-    contributorAccount = contributor;
-    contributorId = await kredits.Contributor.contract.getContributorIdByAddress(contributor);
-  }
-  console.log(`Creating a proposal for contributor ID #${contributorId} account: ${contributorAccount}`);
-
-  [ dateNow, timeNow ] = (new Date()).toISOString().split('T');
-
-  let contributionAttributes = {
-    contributorId,
-    date: dateNow,
-    time: timeNow,
-    amount: await promptly.prompt('Amount: '),
-    description: await promptly.prompt('Description: '),
-    kind: await promptly.prompt('Kind: ', { default: 'dev' }),
-    url: await promptly.prompt('URL: ', { default: '' })
-  }
-
-  const contributorData = await kredits.Contributor.getById(contributorId);
-  contributionAttributes.contributorIpfsHash = contributorData.ipfsHash;
-
-  console.log("\nAdding proposal:");
-  console.log(contributionAttributes);
-
-  kredits.Proposal.addProposal(contributionAttributes, { gasLimit: 300000 })
-    .then((result) => {
-      console.log("\n\nResult:");
-      console.log(result);
-      callback();
-    }).catch((error) => {
-      console.log('Failed to create proposal');
-      callback(inspect(error));
-    });
-}
diff --git a/scripts/claim-contributions.js b/scripts/claim-contributions.js
deleted file mode 100644
index 2b644eb..0000000
--- a/scripts/claim-contributions.js
+++ /dev/null
@@ -1,53 +0,0 @@
-const promptly = require('promptly');
-const Table = require('cli-table');
-
-const initKredits = require('./helpers/init_kredits.js');
-
-module.exports = async function(callback) {
-  let kredits;
-  try {
-    kredits = await initKredits(web3);
-  } catch(e) {
-    callback(e);
-    return;
-  }
-
-  console.log(`Using Contribution at: ${kredits.Contribution.contract.address}`);
-
-  let recipient = await promptly.prompt('Contributor ID: ');
-  recipient = parseInt(recipient);
-
-  const table = new Table({
-    head: ['ID', 'Description', 'Amount', 'Claim Transaction'],
-  });
-
-  try {
-    let blockNumber = await kredits.provider.getBlockNumber();
-    let contributions = await kredits.Contribution.all({page: {size: 200}});
-
-    console.log(`Current block number: ${blockNumber}`);
-    let claimPromises = contributions.map(async (c) => {
-      const confirmed = c.confirmedAtBlock <= blockNumber;
-
-      if (c.contributorId === recipient && confirmed && !c.vetoed && !c.claimed) {
-        console.log(`Claiming contribution ID=${c.id}`);
-        return kredits.Contribution.contract.claim(c.id, { gasLimit: 500000 }).then(tx => {
-          table.push([
-            c.id.toString(),
-            `${c.description}`,
-            c.amount.toString(),
-            tx.hash,
-          ]);
-        });
-      }
-    });
-
-    Promise.all(claimPromises).then(_ => {
-      console.log(table.toString());
-      callback();
-    });
-  } catch (err) {
-    console.log(err);
-    callback();
-  }
-};
diff --git a/scripts/cli.js b/scripts/cli.js
deleted file mode 100644
index 33f1476..0000000
--- a/scripts/cli.js
+++ /dev/null
@@ -1,61 +0,0 @@
-const REPL = require('repl');
-const promptly = require('promptly');
-
-const initKredits = require('./helpers/init_kredits.js');
-
-module.exports = async function(callback) {
-  initKredits(web3).then(async function(kredits) {
-    let contractName = await promptly.prompt('Contract Name: ');
-    const contractWrapper = kredits[contractName];
-
-    let method;
-    method = await promptly.prompt('Function (? for available functions): ');
-    while (method === '?') {
-      console.log(`Contract functions: ${JSON.stringify(Object.keys(contractWrapper.functions))}`);
-      console.log(`\nWrapper functions: ${JSON.stringify(Object.getOwnPropertyNames(Object.getPrototypeOf(contractWrapper)))}`);
-      console.log("\n");
-
-      method = await promptly.prompt('Function: ');
-    }
-    if (!contractWrapper[method] && !contractWrapper.contract[method]) {
-      callback(new Error(`Method ${method} is not defined on ${contractName}`));
-      return;
-    }
-    let argumentInput = await promptly.prompt('Arguments (comma separated): ', { default: '' });
-    let args = [];
-    if (argumentInput !== '') {
-      args = argumentInput.split(',').map(a => a.trim());
-    }
-    console.log(`Using ${contractName} at ${contractWrapper.contract.address}`);
-    console.log(`Calling ${method} with ${JSON.stringify(args)}`);
-
-    let func;
-    if (contractWrapper[method]) {
-      func = contractWrapper[method];
-    } else {
-      func = contractWrapper.contract[method];
-    }
-    func.apply(contractWrapper, args).then((result) => {
-      console.log("\nResult:");
-      console.log(result);
-
-      console.log("\nStartig a REPL. (type .exit to exit)");
-      console.log(`defined variables: result, ${contractName}, kredis`);
-      let r = REPL.start();
-      r.context.result = result;
-      r.context[contractName] = contractWrapper;
-      r.context.kredits = kredits;
-
-      r.on('exit', () => {
-        console.log('Bye');
-        callback();
-      })
-    }).catch((error) => {
-      console.log("Call failed. Probably the contract raised an error?\n");
-      console.log("...");
-      callback(error);
-    });
-
-  })
-
-}
diff --git a/scripts/current-address.js b/scripts/current-address.js
deleted file mode 100644
index b4c418f..0000000
--- a/scripts/current-address.js
+++ /dev/null
@@ -1,30 +0,0 @@
-const knownDAOAddresses = require('../lib/addresses/dao.json');
-const knownKreditsKitAddresses = require('../lib/addresses/KreditsKit.json');
-const getNetworkId = require('./helpers/networkid.js')
-const ethers = require('ethers');
-
-module.exports = async function(callback) {
-  const provider = new ethers.providers.Web3Provider(web3.currentProvider);
-  let network = await provider.getNetwork();
-  let networkId = network.chainId;
-
-  console.log('# All known DAO addresses');
-  Object.keys(knownDAOAddresses).forEach((networkId) => {
-    console.log(`  Network ID: ${networkId} => ${knownDAOAddresses[networkId]}`);
-  });
-  console.log('# All known KreditsKit addresses');
-  Object.keys(knownKreditsKitAddresses).forEach((networkId) => {
-    console.log(`  Network ID: ${networkId} => ${knownKreditsKitAddresses[networkId]}`);
-  });
-  console.log('-----------------');
-
-  console.log(`# Current network ID: ${networkId}`);
-
-  let currentDAOAddress = knownDAOAddresses[networkId];
-  let currentKreditsKitAddress = knownKreditsKitAddresses[networkId];
-
-  console.log(`# Current KreditsKit address: ${currentKreditsKitAddress}`);
-  console.log(`# Current DAO address: ${currentDAOAddress}`);
-
-  callback();
-};
diff --git a/scripts/deploy-apps.sh b/scripts/deploy-apps.sh
deleted file mode 100755
index 3b48da0..0000000
--- a/scripts/deploy-apps.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-set -e
-
-rootDir=`pwd`
-
-echo "## Kredits app bootstrap"
-echo ""
-echo "Setting up each aragon app in ./apps"
-echo "a new app version will be deployed"
-echo "----"
-
-./scripts/every-app.sh "npm install"
-./scripts/every-app.sh "aragon apm publish major"
-
-echo "Done, new versions of all apps deployed"
diff --git a/scripts/deploy-kit.js b/scripts/deploy-kit.js
deleted file mode 100644
index 9c95d56..0000000
--- a/scripts/deploy-kit.js
+++ /dev/null
@@ -1,69 +0,0 @@
-const deployDAOFactory = require('@aragon/os/scripts/deploy-daofactory.js')
-
-const fs = require('fs');
-const path = require('path');
-const argv = require('yargs').argv
-const ethers = require('ethers');
-const namehash = ethers.utils.namehash;
-
-const fileInject = require('./helpers/file_inject.js')
-
-const DAOFactory = artifacts.require('DAOFactory')
-const KreditsKit = artifacts.require('KreditsKit')
-
-const arapp = require('../arapp.json')
-const environment = argv['network'] || argv['environment'] || 'development'
-
-const kreditsArappConfig = arapp.environments[environment].kredits || {}
-
-// typically we use the open.aragonpm.eth aragonpm.
-const apm = kreditsArappConfig.apmDomain || argv['apmDomain'] || 'open.aragonpm.eth'
-
-// daoFactory is environment specific.
-// See https://github.com/aragon/deployments/tree/master/environments/ for the official daoFactory
-// Locally we deploy our own daoFactory and no daoFactory is required (`daoFactoryAddress` is null).
-const daoFactoryAddress = kreditsArappConfig.daoFactory || argv['daoFactory']
-
-const ensAddr = arapp.environments[environment].registry || argv['ensAddress']
-
-module.exports = async function(callback) {
-  const provider = new ethers.providers.Web3Provider(web3.currentProvider);
-  const network = await provider.getNetwork();
-  const networkId = network.chainId;
-  console.log(`Deploying to networkId: ${networkId}`)
-
-  if (!ensAddr) {
-    callback(new Error("ENS address not found in environment variable ENS"))
-  }
-  console.log(`Using ENS at: ${ensAddr}`);
-
-  let daoFactory
-  if (daoFactoryAddress) {
-    daoFactory = DAOFactory.at(daoFactoryAddress)
-  } else {
-    daoFactory = (await deployDAOFactory(null, { artifacts, verbose: false })).daoFactory
-  }
-  console.log(`Using DAOFactory at: ${daoFactory.address}`)
-
-  const apps = fs.readdirSync('./apps', { withFileTypes: true })
-                 .filter(e => e.isDirectory())
-                 .map(e => e.name);
-  console.log(`Found apps: [${apps}].${apm}`)
-  let appIds = {}
-  apps.sort().forEach((app) => {
-    let [first, ...rest] = app;
-    let contractName = `${first.toUpperCase()}${rest.join('')}`
-    appIds[contractName] = namehash(`kredits-${app}.${apm}`)
-  })
-
-  KreditsKit.new(daoFactory.address, ensAddr, Object.values(appIds)).then((kreditsKit) => {
-    console.log(`Deployed KreditsKit at: ${kreditsKit.address}`);
-
-    fileInject(path.join(__dirname, '..', 'lib/addresses/KreditsKit.json'), networkId, kreditsKit.address);
-
-    callback();
-  }).catch((e) => {
-    console.log(e);
-    callback(e);
-  })
-}
diff --git a/scripts/every-app.sh b/scripts/every-app.sh
deleted file mode 100755
index e111968..0000000
--- a/scripts/every-app.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/bash
-
-set -e
-
-rootDir=`pwd`
-
-for dir in ./apps/*/; do
-  set -x
-  cd $dir
-  eval $1
-  cd $rootDir
-  set +x
-done
-
diff --git a/scripts/find-block-for-date.js b/scripts/find-block-for-date.js
index 690faa9..b5ccf81 100644
--- a/scripts/find-block-for-date.js
+++ b/scripts/find-block-for-date.js
@@ -1,10 +1,12 @@
 const promptly = require('promptly');
 const EthDater = require('ethereum-block-by-date');
-const initKredits = require('./helpers/init_kredits.js');
 
-module.exports = async function(callback) {
-  let kredits;
-  try { kredits = await initKredits(web3); } catch(e) { callback(e); return; }
+const { ethers } = require("hardhat");
+const Kredits = require('../lib/kredits');
+
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
 
   const dater     = new EthDater(kredits.provider);
   const dateStr   = await promptly.prompt('Specify a date and time (e.g. 2021-05-07T14:00:40Z): ');
@@ -15,5 +17,6 @@ The closest block is #${blockData.block}:
 https://rinkeby.etherscan.io/block/${blockData.block}
 `);
 
-  callback();
 }
+
+main();
diff --git a/scripts/helpers/init_kredits.js b/scripts/helpers/init_kredits.js
deleted file mode 100644
index 9a5725d..0000000
--- a/scripts/helpers/init_kredits.js
+++ /dev/null
@@ -1,29 +0,0 @@
-const argv = require('yargs').argv;
-const ethers = require('ethers');
-const Kredits = require('../../lib/kredits');
-
-const arapp = require('../../arapp.json');
-const environment = argv['network'] || argv['environment'] || 'development';
-const apm = arapp.environments[environment].apm;
-
-module.exports = async function(web3) {
-  return new Promise((resolve, reject) => {
-    const provider = new ethers.providers.Web3Provider(web3.currentProvider);
-    const signer = provider.getSigner();
-    // checking if siner supports signing transactions
-    signer.getAddress().then(_ => {
-      new Kredits(provider, signer, { apm }).init().then(kredits => {
-        resolve(kredits);
-      }).catch(e => {
-        reject(e);
-      });
-    }).catch(e => {
-      console.log(`Signer account not available; readonly connection (${e.message}`);
-      new Kredits(provider, null, { apm }).init().then(kredits => {
-        resolve(kredits);
-      }).catch(e => {
-        reject(e);
-      });
-    })
-  });
-}
diff --git a/scripts/helpers/update_local_networkid.js b/scripts/helpers/update_local_networkid.js
deleted file mode 100644
index 79575a3..0000000
--- a/scripts/helpers/update_local_networkid.js
+++ /dev/null
@@ -1,24 +0,0 @@
-const fs = require('fs');
-const ethers = require('ethers');
-
-module.exports = async function(callback) {
-  const daoAddressPath = 'lib/addresses/dao.json';
-
-  // TODO maybe do the same for KreditsKit address file
-  try {
-    const provider = new ethers.providers.Web3Provider(web3.currentProvider);
-    const network = await provider.getNetwork();
-    const networkId = network.chainId;
-    const daoAddresses = JSON.parse(fs.readFileSync(daoAddressPath));
-    const oldNetworkId = Math.max(...Object.keys(daoAddresses).map(a => parseInt(a)));
-    const localDaoAddress = daoAddresses[oldNetworkId];
-    daoAddresses[networkId] = localDaoAddress;
-    delete daoAddresses[oldNetworkId];
-    fs.writeFileSync(daoAddressPath, JSON.stringify(daoAddresses, null, 2));
-    console.log('Updated local network ID for DAO address');
-  } catch(e) {
-    console.log(e);
-  }
-
-  callback();
-};
diff --git a/scripts/list-contributions-per-contributor.js b/scripts/list-contributions-per-contributor.js
index e951733..7454585 100644
--- a/scripts/list-contributions-per-contributor.js
+++ b/scripts/list-contributions-per-contributor.js
@@ -1,16 +1,12 @@
 const promptly = require('promptly');
 const Table = require('cli-table');
 
-const initKredits = require('./helpers/init_kredits.js');
+const { ethers } = require("hardhat");
+const Kredits = require('../lib/kredits');
 
-module.exports = async function(callback) {
-  let kredits;
-  try {
-    kredits = await initKredits(web3);
-  } catch(e) {
-    callback(e);
-    return;
-  }
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
 
   console.log(`Using Contribution at: ${kredits.Contribution.contract.address}`);
 
@@ -18,59 +14,55 @@ module.exports = async function(callback) {
     head: ['ID', 'Name', 'Kredits']
   })
 
-  try {
-    let currentBlockNumber = await kredits.provider.getBlockNumber();
-    console.log(`Current block number: ${currentBlockNumber}`);
+  let currentBlockNumber = await kredits.provider.getBlockNumber();
+  console.log(`Current block number: ${currentBlockNumber}`);
 
-    let confirmedBeforeBlock = await promptly.prompt('Before block: ');
-    let confirmedAfterBlock = await promptly.prompt('After block: ');
+  let confirmedBeforeBlock = await promptly.prompt('Before block: ');
+  let confirmedAfterBlock = await promptly.prompt('After block: ');
 
-    let tokens = {};
-    let contributors = await kredits.Contributor.all();
-    contributors.forEach(c => {
-      tokens[c.id] = { amount: 0, contributor: c };
-    });
+  let tokens = {};
+  let contributors = await kredits.Contributor.all();
+  contributors.forEach(c => {
+    tokens[c.id] = { amount: 0, contributor: c };
+  });
 
-    let contributionId = await kredits.Contribution.contract.contributionsCount();
-    let nextContribution = true;
+  let contributionId = await kredits.Contribution.contract.contributionsCount();
+  let nextContribution = true;
 
-    while (nextContribution) {
-      console.log(`Getting contribution: ${contributionId}`);
-      let contribution = await kredits.Contribution.getById(contributionId);
-      contributionId = contributionId - 1;
+  while (nextContribution) {
+    console.log(`Getting contribution: ${contributionId}`);
+    let contribution = await kredits.Contribution.getById(contributionId);
+    contributionId = contributionId - 1;
 
-      // if no conribution is found
-      if (!contribution.exists) {
-        nextContribution = false;
-        break;
-      }
-      // check if the contribution is older
-      // in that case we assume all other contributions now are older
-      if (contribution.confirmedAtBlock < confirmedAfterBlock) {
-        nextContribution = false;
-      }
-
-      // if the contribution is within the range count it
-      if (!contribution.vetoed && contribution.confirmedAtBlock < confirmedBeforeBlock && contribution.confirmedAtBlock > confirmedAfterBlock) {
-        // init
-        tokens[contribution.contributorId].amount = tokens[contribution.contributorId].amount + contribution.amount;
-      }
+    // if no conribution is found
+    if (!contribution.exists) {
+      nextContribution = false;
+      break;
+    }
+    // check if the contribution is older
+    // in that case we assume all other contributions now are older
+    if (contribution.confirmedAtBlock < confirmedAfterBlock) {
+      nextContribution = false;
     }
 
-    Object.keys(tokens).forEach((contributorId) => {
-      table.push([
-        contributorId,
-        `${tokens[contributorId].contributor.name}`,
-        `${tokens[contributorId].amount}`
-      ]);
-    });
-
-    const total = Object.keys(tokens).map(cid => { return tokens[cid].amount}).reduce((a,b) => { return a+b }, 0);
-    console.log(`Total confirmed Kredits: ${total} between block ${confirmedAfterBlock} and ${confirmedBeforeBlock}`);
-    console.log(table.toString());
-  } catch (err) {
-    console.log(err);
+    // if the contribution is within the range count it
+    if (!contribution.vetoed && contribution.confirmedAtBlock < confirmedBeforeBlock && contribution.confirmedAtBlock > confirmedAfterBlock) {
+      // init
+      tokens[contribution.contributorId].amount = tokens[contribution.contributorId].amount + contribution.amount;
+    }
   }
 
-  callback();
+  Object.keys(tokens).forEach((contributorId) => {
+    table.push([
+      contributorId,
+      `${tokens[contributorId].contributor.name}`,
+      `${tokens[contributorId].amount}`
+    ]);
+  });
+
+  const total = Object.keys(tokens).map(cid => { return tokens[cid].amount}).reduce((a,b) => { return a+b }, 0);
+  console.log(`Total confirmed Kredits: ${total} between block ${confirmedAfterBlock} and ${confirmedBeforeBlock}`);
+  console.log(table.toString());
 }
+
+main();
diff --git a/scripts/list-proposals.js b/scripts/list-proposals.js
deleted file mode 100644
index 2bbbedf..0000000
--- a/scripts/list-proposals.js
+++ /dev/null
@@ -1,35 +0,0 @@
-const promptly = require('promptly');
-const Table = require('cli-table');
-
-const initKredits = require('./helpers/init_kredits.js');
-
-module.exports = async function(callback) {
-  let kredits;
-  try {
-    kredits = await initKredits(web3);
-  } catch(e) {
-    callback(e);
-    return;
-  }
-
-  console.log(`Using Proposal at: ${kredits.Proposal.contract.address}`);
-
-  const table = new Table({
-    head: ['ID', 'Contributor ID', 'Amount', 'Votes', 'Executed?', 'Description']
-  })
-
-  let proposals = await kredits.Proposal.all()
-
-  proposals.forEach((p) => {
-    table.push([
-      p.id.toString(),
-      p.contributorId.toString(),
-      p.amount.toString(),
-      `${p.votesCount.toString()}/${p.votesNeeded.toString()}`,
-      p.executed,
-      `${p.description}`
-    ])
-  })
-  console.log(table.toString())
-  callback()
-}
diff --git a/scripts/list-reimbursements.js b/scripts/list-reimbursements.js
index c46f522..fa38e81 100644
--- a/scripts/list-reimbursements.js
+++ b/scripts/list-reimbursements.js
@@ -1,16 +1,12 @@
 const promptly = require('promptly');
 const Table = require('cli-table');
 
-const initKredits = require('./helpers/init_kredits.js');
+const { ethers } = require("hardhat");
+const Kredits = require('../lib/kredits');
 
-module.exports = async function(callback) {
-  let kredits;
-  try {
-    kredits = await initKredits(web3);
-  } catch(e) {
-    callback(e);
-    return;
-  }
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
 
   console.log(`Using Reimbursement at: ${kredits.Reimbursement.contract.address}`);
 
@@ -18,35 +14,31 @@ module.exports = async function(callback) {
     head: ['ID', 'Amount', 'Token', 'recipientId', 'Confirmed?', 'Vetoed?', 'IPFS', 'Expenses']
   })
 
-  try {
-    let blockNumber = await kredits.provider.getBlockNumber();
-    let reimbursements = await kredits.Reimbursement.all({page: {size: 1000}});
+  let blockNumber = await kredits.provider.getBlockNumber();
+  let reimbursements = await kredits.Reimbursement.all({page: {size: 1000}});
 
-    let kreditsSum = 0;
-    console.log(`Current block number: ${blockNumber}`);
-    reimbursements.forEach(r => {
-      const confirmed = r.confirmedAtBlock <= blockNumber;
+  let kreditsSum = 0;
+  console.log(`Current block number: ${blockNumber}`);
+  reimbursements.forEach(r => {
+    const confirmed = r.confirmedAtBlock <= blockNumber;
 
-      table.push([
-        r.id.toString(),
-        r.amount.toString(),
-        `${r.token}`,
-        `${r.recipientId}`,
-        `${confirmed}`,
-        `${r.vetoed}`,
-        `${r.ipfsHash}`,
-        `${r.expenses.length}`
-      ]);
-    });
+    table.push([
+      r.id.toString(),
+      r.amount.toString(),
+      `${r.token}`,
+      `${r.recipientId}`,
+      `${confirmed}`,
+      `${r.vetoed}`,
+      `${r.ipfsHash}`,
+      `${r.expenses.length}`
+    ]);
+  });
 
-    console.log(table.toString());
+  console.log(table.toString());
 
-    let totalAmountUnconfirmed = await kredits.Reimbursement.functions.totalAmount(false);
-    let totalAmountConfirmed = await kredits.Reimbursement.functions.totalAmount(true);
-    console.log(`Total: ${totalAmountConfirmed} (confirmed) | ${totalAmountUnconfirmed} (including unconfirmed)`);
-  } catch (err) {
-    console.log(err);
-  }
-
-  callback();
+  let totalAmountUnconfirmed = await kredits.Reimbursement.functions.totalAmount(false);
+  let totalAmountConfirmed = await kredits.Reimbursement.functions.totalAmount(true);
+  console.log(`Total: ${totalAmountConfirmed} (confirmed) | ${totalAmountUnconfirmed} (including unconfirmed)`);
 }
+
+main();
diff --git a/scripts/new-dao.js b/scripts/new-dao.js
deleted file mode 100644
index 5a022f8..0000000
--- a/scripts/new-dao.js
+++ /dev/null
@@ -1,39 +0,0 @@
-const fs = require('fs');
-const path = require('path');
-
-const ethers = require('ethers');
-const fileInject = require('./helpers/file_inject.js');
-const KreditsKit = require('../lib/kreditskit');
-
-const addressesPath = path.join(__dirname, '..', 'lib/addresses');
-
-module.exports = async function(callback) {
-  const provider = new ethers.providers.Web3Provider(web3.currentProvider);
-  const signer = provider.getSigner();
-  const network = await provider.getNetwork();
-  const networkId = network.chainId;
-  console.log(`Deploying to networkId: ${networkId}`)
-
-  let kitAddresseFile = path.join(addressesPath, 'KreditsKit.json');
-  let kitAddresses = JSON.parse(fs.readFileSync(kitAddresseFile));
-  let kreditsKitAddress = process.env.KREDITS_KIT || kitAddresses[networkId]
-  if (!kreditsKitAddress) {
-    callback(new Error("KreditsKit address not found in environment variable KREDITS_KIT"))
-  }
-  console.log(`Using KreditsKit at: ${kreditsKitAddress}`);
-
-  let kit = await new KreditsKit(provider, signer).init()
-
-  // TODO: get rid of the hard coded gas limit
-  kit.newDAO({ gasLimit: 10000000 }).then(result => {
-    console.log(result);
-    fileInject(path.join(addressesPath, 'dao.json'), networkId, result.daoAddress)
-
-    console.log(`\n\nCreated new DAO at: ${result.daoAddress}`)
-
-    callback();
-  }).catch((err) => {
-    console.log('failed to create a new DAO')
-    callback(err)
-  })
-}
diff --git a/scripts/repl.js b/scripts/repl.js
deleted file mode 100644
index 96c4ab8..0000000
--- a/scripts/repl.js
+++ /dev/null
@@ -1,39 +0,0 @@
-const REPL = require('repl');
-
-const initKredits = require('./helpers/init_kredits.js');
-
-function promiseEval (repl) {
-  const currentEval = repl.eval;
-  return function (cmd, context, filename, callback) {
-    currentEval(cmd, context, filename, (err, result) => {
-      if (result && typeof result.then === 'function') {
-        console.log('...waiting for promise to resolve');
-        return result
-          .then(response => callback(null, response))
-          .catch(err => callback(err, null));
-      }
-      return callback(err, result);
-    })
-  }
-}
-
-module.exports = async function(callback) {
-  let kredits;
-  try {
-    kredits = await initKredits(web3);
-  } catch(e) {
-    callback(e);
-    return;
-  }
-
-  console.log(`Defined variables: kredits, web3`);
-  let r = REPL.start();
-  r.context.kredits = kredits;
-  r.context.web3 = web3;
-  r.eval = promiseEval(r);
-
-  r.on('exit', () => {
-    console.log('Bye');
-    callback();
-  });
-}
diff --git a/scripts/seeds.js b/scripts/seeds.js
index 7f628e4..ec98c4f 100644
--- a/scripts/seeds.js
+++ b/scripts/seeds.js
@@ -1,29 +1,22 @@
 const path = require('path');
 const each = require('async-each-series');
-const ethers = require('ethers');
 
-const initKredits = require('./helpers/init_kredits.js');
 const seeds = require(path.join(__dirname, '..', '/config/seeds.js'));
 
-module.exports = async function(callback) {
-  let kredits;
-  try {
-    kredits = await initKredits(web3);
-  } catch(e) {
-    callback(e);
-    return;
-  }
+const { ethers } = require("hardhat");
+const Kredits = require('../lib/kredits');
 
-  let fundingAmount = 2;
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
+
+  let fundingAmount = '2';
   each(seeds.funds, (address, next) => {
     console.log(`funding ${address} with 2 ETH`);
     try {
-      web3.eth.personal.getAccounts().then(accounts => {
-        web3.eth.personal.sendTransaction({
-          to: address,
-          from: accounts[0],
-          value: web3.utils.toWei(new web3.utils.BN(fundingAmount))
-        });
+      hre.ethers.provider.getSigner().sendTransaction({
+        to: address,
+        value: hre.ethers.utils.parseEther(fundingAmount)
       });
     } catch(e) {
       console.log('FAILED:', e);
@@ -51,3 +44,5 @@ module.exports = async function(callback) {
   }, () => { console.log("\nDone!") });
 
 }
+
+main();
diff --git a/scripts/send-funds.js b/scripts/send-funds.js
deleted file mode 100644
index 0293aa0..0000000
--- a/scripts/send-funds.js
+++ /dev/null
@@ -1,27 +0,0 @@
-const promptly = require('promptly');
-
-module.exports = async function(callback) {
-  let recipient = await promptly.prompt('Recipient address: ');
-  let amount = await promptly.prompt('Amount: ', {default: '1'});
-  amount = parseInt(amount);
-
-  const accounts = await web3.eth.personal.getAccounts();
-  let fromAccount = accounts[0];
-  let fromBalance = await web3.eth.getBalance(fromAccount);
-  let recipientBalance = await web3.eth.getBalance(recipient);
-
-  console.log('--------------');
-  console.log(`sender account balance ${fromAccount}: ${fromBalance}`);
-  console.log(`recipient account balance ${recipient}: ${recipientBalance}`);
-
-  console.log(`\nsending ${amount} ETH from ${accounts[0]} to ${recipient}`);
-
-  let transaction = await web3.eth.sendTransaction({to: recipient, value: web3.utils.toWei(new web3.utils.BN(amount)), from: accounts[0]});
-
-  console.log(`transaction id: ${transaction.transactionHash}`);
-
-  recipientBalance = await web3.eth.getBalance(recipient);
-  console.log(`\nnew recipient account balance ${recipient}: ${recipientBalance}`);
-
-  callback();
-}
diff --git a/scripts/veto-contribution.js b/scripts/veto-contribution.js
index a66fe48..1e6dbe2 100644
--- a/scripts/veto-contribution.js
+++ b/scripts/veto-contribution.js
@@ -1,12 +1,12 @@
 const promptly = require('promptly');
 const { inspect } = require('util');
 
-const initKredits = require('./helpers/init_kredits.js');
+const { ethers } = require("hardhat");
+const Kredits = require('../lib/kredits');
 
-module.exports = async function(callback) {
-  let kredits;
-  try { kredits = await initKredits(web3);
-  } catch(e) { callback(e); return; }
+async function main() {
+  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
+  await kredits.init();
 
   console.log(`Using Contributions at: ${kredits.Contribution.contract.address}\n`);
 
@@ -14,19 +14,16 @@ module.exports = async function(callback) {
 
   console.log(`Recording a veto for contribution #${contributionId}`);
 
-  try {
-    kredits.Contribution.contract.veto(contributionId, { gasLimit: 300000 })
-      .then(result => {
-        console.log("\n\nResult:");
-        console.log(result);
-        callback();
-      })
-      .catch(error => {
-        console.log('Failed to veto contribution');
-        callback(inspect(error));
-      });
-  } catch(err) {
-    console.log('Failed to veto contribution');
-    callback(inspect(err));
-  }
+  kredits.Contribution.contract.veto(contributionId, { gasLimit: 300000 })
+    .then(result => {
+      console.log("\n\nResult:");
+      console.log(result);
+      callback();
+    })
+    .catch(error => {
+      console.log('Failed to veto contribution');
+      callback(inspect(error));
+    });
 }
+
+main();