DavidVotrubec

module.exports = async function(deployer, _, accounts) {
  let someContract = await SomeContract.deployed();

  try {
    // If this contract method fails, the migration does not stop
    await someContract.someMethod(namehash(''), web3.utils.sha3("eth"), accounts[0]);
  }
  catch (err) {
      console.log('Deploy step X failed', err);
      throw new Error('Deploy step X failed');

DavidVotrubec

truffle console --network ganache_cli

The full procedure is like this

- make sure that ganache_cli is running and truffle.js is configured properly
- truffle networks --clean // to reset old garbage
- truffle console --network ganache_cli
- migrate
- interact with your deploys smart contract via JS
- MySmartContract.deployed().then(function(instance) {... call your contract's instance methods ;});

DavidVotrubec

myContract.deploy().send({from: accounts[1]})

DavidVotrubec

import Web3 from 'web3';
// We are assumming that the user has installed the Metamask browser extension
// and we are using Provider from the injected instance of web3
// to create instance of Web3 of our desired version
// See https://www.udemy.com/ethereum-and-solidity-the-complete-developers-guide/learn/v4/t/lecture/9020582?start=0 for more details
// This way we can simply import preconfigured instance of web3
const web3 = new Web3(window.web3.currentProvider);
export default web3;

DavidVotrubec

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  items: [
      {id: 1, name: 'first item'},
      {id: 2, name: 'second item'},
      {id: 3, name: 'third item'},
      {id: 4, name: 'fourth item'},

DavidVotrubec

import Ember from 'ember';

export default Ember.Component.extend({    
    itemToDelete: null,
    
    hasItemToDelete: Ember.computed('itemToDelete', function(){
       return this.get('itemToDelete') != null; 
    }),
    
    _closeConfirmationDialog: function() {

DavidVotrubec

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  myStrings: ['bla', 'asd', 'zzz', 'fgh'],
  computedStrings: Ember.computed('myStrings.[]', function() {
  	return this.get('myStrings')
      .map(aString => Ember.String.capitalize(aString));
  }),
  actions: {

DavidVotrubec

nl2br(str) {
        var newStr = str.split('\n').map(function(item) {
            const key = Math.random() * (9999999 - 1) + 1;
            
            return (
                <span key={key}>
                    {item}
                    <br/>
                </span>
            )

DavidVotrubec

nl2br(str) {
        var newStr = str.split('\n').map(function(item) {
            const key = Math.random() * (9999999 - 1) + 1;
            
            return (
                <span key={key}>
                    {item}
                    <br/>
                </span>
            )

DavidVotrubec

app.directive('someDirective', function () {
  return {
    scope: {
      oneWay: '@',
      twoWay: '=',
      expr: '&'
    }
  };
});