Update to ethers 5

scripts/helpers/init_kredits.js

@@ -1,6 +1,5 @@
 const argv = require('yargs').argv;
 const ethers = require('ethers');
-const getNetworkId = require('./networkid.js');
 const Kredits = require('../../lib/kredits');
 
 const arapp = require('../../arapp.json');
@@ -10,7 +9,7 @@ const apm = arapp.environments[environment].apm;
 module.exports = async function(web3) {
   return new Promise((resolve, reject) => {
     const provider = new ethers.providers.Web3Provider(web3.currentProvider);
-    let signer = provider.getSigner();
+    const signer = provider.getSigner();
     // checking if siner supports signing transactions
     signer.getAddress().then(_ => {
       new Kredits(provider, signer, { apm }).init().then(kredits => {

scripts/helpers/networkid.js

@@ -1,17 +0,0 @@
-module.exports = function(web3) {
-  return new Promise((resolve, reject) => {
-    let func;
-    if (web3.version.getNetwork) {
-      func = web3.version.getNetwork;
-    } else {
-      func = web3.eth.net.getId;
-    }
-    func((err, network) => {
-      if (err) {
-        reject(err);
-      } else {
-        resolve(network);
-      }
-    })
-  })
-}

scripts/helpers/update_local_networkid.js

@@ -1,12 +1,14 @@
 const fs = require('fs');
-const getNetworkId = require('./networkid.js');
+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 networkId = await getNetworkId(web3);
+    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];