François GrandSchtroumpf

🏠

Working from home

GrandSchtroumpf / eth.effects.ts

Created April 12, 2018 12:19

The effects of the NGRX version of Angular and Ethereum

	import { Injectable } from '@angular/core';
	import { EthService } from './service';


	// NGRX
	import { Action } from '@ngrx/store';
	import { Effect, Actions } from '@ngrx/effects';
	import { EthError } from './../eth/actions';
	import { GET_ACCOUNTS, GetAccountsSuccess } from './actions';

GrandSchtroumpf / eth.selectors.ts

Created April 12, 2018 12:21

The selectors for the NGRX version of Angular and Ethereum

	import { EthState } from './eth.reducers';
	export const getAccounts = (state: EthState) => state.eth.accounts;
	export const getDefaultAccount = (state: EthState) => state.eth.selected;

GrandSchtroumpf / eth.module.ngrx.end.ts

Last active April 12, 2018 12:29

The final eth.module.ts file with reducers and effects

	import { NgModule, ModuleWithProviders, Type } from '@angular/core';
	import { CommonModule } from '@angular/common';
	// Web3
	import { WEB3 } from './tokens';
	const Web3 = require('web3');

	// SERVICES
	import { AccountsService } from './eth.services';
	// NGRX
	import { StoreModule } from '@ngrx/store';

GrandSchtroumpf / eth.component.final.ts

Created April 12, 2018 12:33

The final eth.component.ts with NGRX selectors et store

	import { Component, OnInit } from '@angular/core';

	// NGRX
	import { Store, select } from '@ngrx/store';
	import { EthState, GetAccounts, getAccounts } from './ethereum';

	// RXJS
	import { Observable } from 'rxjs/Observable';

	@Component({

GrandSchtroumpf / index.html

Created May 1, 2018 21:42

simple index.html

GrandSchtroumpf / simple-wallet.js

Last active May 6, 2018 17:28

Ethereum simple wallet

	const web3 = new Web3('https://ropsten.infura.io/your-id');

	// Create a account and store it encrypted in the localStorage
	function createAndSaveAccount() {
	const password = prompt('Mot de passe encrypter le compte');
	const account = web3.eth.accounts.create();
	const keystore = account.encrypt(password);
	localStorage.setItem('keystore', JSON.stringify(keystore));
	}

GrandSchtroumpf / hdwallet.js

Created May 13, 2018 19:29

A HDWallet for Ethereum

	const bip39 = require('bip39');
	const HDKey = require('hdkey');
	const Web3 = require('web3');
	const web3 = new Web3('https://ropsten.infura.io/your-id');

	const mnemonic = bip39.generateMnemonic();
	confirm(mnemonic);
	const seed = bip39.mnemonicToSeed(mnemonic);
	const masterNode = HDKey.fromMasterSeed(seed);
	const derivationKey = "m/44'/60'/0'/0'/0";

GrandSchtroumpf / SendMessage-simple.sol

Created June 3, 2018 18:06

A simple version of the smart-contract SendMessage

	pragma solidity ^0.4.23;

	contract MessageSender {

	mapping(address => string) public messages;

	function sendMessage(address to, string content) public {
	messages[to] = content;
	}
	}

GrandSchtroumpf / SendMessage.sol

Created June 3, 2018 20:05

Complete SendMessage Contract

	pragma solidity ^0.4.23;

	contract MessageSender {

	struct Message {
	address from;
	string content;
	}

	mapping(address => Message) public messages;

GrandSchtroumpf / web3-service.ts

Created July 31, 2018 18:59

The classic way to import web3 in Angular

	import { environment } from '../environments/environment';
	import { bindNodeCallback, Observable } from 'rxjs';

	@Injectable({ providedIn: 'root' })
	export class Web3Service {

	public web3: Web3;

	constructor() {
	this.web3 = new Web3(environment.web3Provider);