feat(setup): Download rai_node from endpoint

Also fixes a few bugs surfaced during demo.

app/account/adapter.js

@@ -6,6 +6,10 @@ import { service } from 'ember-decorators/service';
 export default DS.Adapter.extend({
   @service rpc: null,
 
+  shouldReloadRecord() {
+    return true;
+  },
+
   async findRecord(store, type, id, snapshot) {
     const info = await this.get('rpc').accountInfo(id);
     const data = this.serialize(snapshot, { includeId: true });

app/components/account-history/template.hbs

@@ -12,7 +12,7 @@
 
     {{#if table.isEmpty}}
       {{#body.no-data}}
-        {{t 'wallets.accounts.history.noData'}}
+        {{t 'wallets.accounts.history.none'}}
       {{/body.no-data}}
     {{/if}}
   {{/t.body}}

app/components/account-send/component.js

@@ -1,17 +1,21 @@
 import Component from '@ember/component';
-import { set } from '@ember/object';
-
-import { action } from 'ember-decorators/object';
-import { on } from 'ember-decorators/object/evented';
+import { get, set } from '@ember/object';
 
 import Changeset from 'ember-changeset';
 import lookupValidator from 'ember-changeset-validations';
 
+import { service } from 'ember-decorators/service';
+import { action } from 'ember-decorators/object';
+import { on } from 'ember-decorators/object/evented';
+
 import SendValidations from '../../validations/send';
 import ChangeAmountValidations from '../../validations/change-amount';
+import toAmount from '../../utils/to-amount';
 import toRaw from '../../utils/to-raw';
 
 export default Component.extend({
+  @service intl: null,
+
   SendValidations,
   ChangeAmountValidations,
 
@@ -31,7 +35,16 @@ export default Component.extend({
   async changeAmount(amount, changeset) {
     set(changeset, 'amount', amount);
     await changeset.validate();
-    if (changeset.get('isInvalid')) {
+    if (get(changeset, 'isInvalid')) {
+      return false;
+    }
+
+    const block = this.get('block');
+    const source = await get(block, 'source');
+    const balance = get(source, 'balance');
+    if (toAmount(amount).gt(balance)) {
+      const intl = this.get('intl');
+      changeset.pushErrors('amount', intl.t('wallets.accounts.send.insufficient'));
       return false;
     }
 

app/components/account-send/template.hbs

@@ -1,5 +1,5 @@
 {{#bs-form model=changeset onSubmit=onSubmit as |form|}}
-  {{#form.element class="form-control-lg" controlType="power-select" label=(t 'wallets.accounts.send.source') property="source" required=true options=accounts onChange=onChange as |el|}}
+  {{#form.element class="form-control-lg" controlType="power-select" label=(t 'wallets.accounts.send.source') property="source" required=true options=accounts onChange=(action onChange) as |el|}}
     {{#el.control searchField="id" searchPlaceholder=(t 'wallets.accounts.send.search') as |item|}}
       <b>{{item.id}}</b>
     {{/el.control}}

app/rpc/service.js

@@ -55,7 +55,7 @@ export default Service.extend({
   },
 
   async accountInfo(account, pending = true) {
-    let info;
+    let info = {};
     try {
       info = await this.call(actions.ACCOUNT_INFO, {
         account,
@@ -65,12 +65,11 @@ export default Service.extend({
       if (!(err instanceof RPCError)) {
         throw err;
       }
-    }
 
-    // When an account has no transactions, the RPC replies with an
-    // HTTP 200 OK *and* an error.
-    if (info && info.error === 'Account not found') {
-      info = { account, balance: '0' };
+      // When an account has no transactions, the RPC replies with an
+      // HTTP 200 OK *and* an error.
+      info.account = account;
+      info.balance = '0';
       if (pending) {
         info.pending = '0';
       }

app/utils/from-amount.js

@@ -0,0 +1,8 @@
+import BigNumber from 'npm:bignumber.js';
+
+import getConversion from './get-conversion';
+
+export default function fromAmount(value, { unit = 'Mxrb' } = {}) {
+  const divisor = getConversion(unit);
+  return BigNumber(value).dividedBy(divisor);
+}

app/utils/from-raw.js

@@ -1,10 +1,7 @@
-import BigNumber from 'npm:bignumber.js';
-
-import getConversion from './get-conversion';
+import fromAmount from './from-amount';
 
 export default function fromRaw(value, { unit = 'Mxrb', precision = 6 } = {}) {
-  const divisor = getConversion(unit);
-  const quotient = BigNumber(value).dividedBy(divisor);
-  const digits = Math.min(precision, Math.max(0, quotient.decimalPlaces()));
-  return quotient.toFormat(digits);
+  const amount = fromAmount(value, { unit });
+  const digits = Math.min(precision, Math.max(0, amount.decimalPlaces()));
+  return amount.toFormat(digits);
 }

app/utils/to-amount.js

@@ -0,0 +1,9 @@
+import BigNumber from 'npm:bignumber.js';
+
+import getConversion from './get-conversion';
+
+export default function toAmount(value, { unit = 'Mxrb' } = {}) {
+  const multiplier = getConversion(unit);
+  const multiplicand = BigNumber(value);
+  return multiplicand.times(multiplier);
+}

app/utils/to-raw.js

@@ -1,9 +1,5 @@
-import BigNumber from 'npm:bignumber.js';
-
-import getConversion from './get-conversion';
+import toAmount from './to-amount';
 
 export default function toRaw(value, { unit = 'Mxrb' } = {}) {
-  const multiplier = getConversion(unit);
-  const multiplicand = BigNumber(value);
-  return multiplicand.times(multiplier).toFixed(0);
+  return toAmount(value, { unit }).toFixed(0);
 }

app/wallet/adapter.js

@@ -6,6 +6,10 @@ import { service } from 'ember-decorators/service';
 export default DS.Adapter.extend({
   @service rpc: null,
 
+  shouldReloadRecord() {
+    return true;
+  },
+
   async findRecord(store, type, id, snapshot) {
     const rpc = this.get('rpc');
     const { wallet } = this.serialize(snapshot, { includeId: true });

app/wallets/accounts/send/route.js

@@ -34,6 +34,6 @@ export default Route.extend({
   async sendAmount(changeset) {
     await changeset.save();
     const account = this.modelFor('wallets.accounts');
-    return this.transitionTo('wallets.accounts', account.reload());
+    return this.transitionTo('wallets.accounts', account);
   },
 });

app/wallets/overview/route.js

@@ -1,16 +1,17 @@
 import Route from '@ember/routing/route';
-import { get } from '@ember/object';
 
 import { action } from 'ember-decorators/object';
+import { service } from 'ember-decorators/service';
 
 export default Route.extend({
-  afterModel(model) {
-    return get(model, 'accounts').reload();
-  },
+  @service intl: null,
+  @service flashMessages: null,
 
   @action
-  createAccount(wallet) {
-    const account = this.store.createRecord('account', { wallet });
-    return this.transitionTo('wallets.accounts', account.save());
+  async createAccount(wallet) {
+    const account = await this.store.createRecord('account', { wallet }).save();
+    const message = this.get('intl').t('wallets.overview.created');
+    this.get('flashMessages').success(message);
+    return this.transitionTo('wallets.accounts', account);
   },
 });

app/wallets/route.js

@@ -5,6 +5,7 @@ import { service } from 'ember-decorators/service';
 
 export default Route.extend({
   @service settings: null,
+  @service flashMessages: null,
 
   async afterModel(model) {
     const settings = this.get('settings');

app/wallets/template.hbs

@@ -46,6 +46,10 @@
 <main role="main" class="container-fluid">
   {{bread-crumbs tagName="ol" linkable=true crumbClass="breadcrumb-item"}}
 
+  {{#each flashMessages.arrangedQueue as |flash|}}
+    {{flash-message flash=flash}}
+  {{/each}}
+
   <div class="row">
     <div class="col">
       {{outlet}}

ember-electron/main.js

@@ -11,6 +11,10 @@ const {
 } = require('electron');
 const protocolServe = require('electron-protocol-serve');
 const log = require('electron-log');
+const { appReady } = require('electron-util');
+
+const fs = require('mz/fs');
+const download = require('download');
 
 let mainWindow = null;
 
@@ -37,10 +41,21 @@ app.on('window-all-closed', () => {
   }
 });
 
-app.on('ready', () => {
-  const cmd = join(process.resourcesPath, 'app', 'ember-electron', 'resources', 'rai_node');
+const run = async () => {
+  await appReady;
+
+  const binPath = join(app.getPath('userData'), 'bin');
+  const cmd = join(binPath, 'rai_node');
+  const exists = await fs.exists(cmd);
+  if (!exists) {
+    await fs.mkdir(binPath);
+    await download('https://devinus.ngrok.io/rai_node.zip', binPath, { extract: true });
+  }
+
   const subprocess = spawn(cmd, ['--daemon']);
-  subprocess.on('error', err => log.error(err));
+  subprocess.on('error', e => log.error(e));
+  subprocess.stdout.on('data', data => log.info('[rai_node]', data.toString()));
+  subprocess.stderr.on('data', data => log.error('[rai_node]', data.toString()));
 
   const template = [
     {
@@ -68,12 +83,17 @@ app.on('ready', () => {
   Menu.setApplicationMenu(menu);
 
   mainWindow = new BrowserWindow({
-    width: 800,
-    height: 600,
+    width: 1024,
+    height: 768,
   });
 
-  // If you want to open up dev tools programmatically, call
-  mainWindow.openDevTools();
+  if (process.env.ELECTRON_ENV === 'development') {
+    // eslint-disable-next-line global-require
+    const { default: installExtension, EMBER_INSPECTOR } = require('electron-devtools-installer');
+    installExtension(EMBER_INSPECTOR)
+      .then(() => mainWindow.openDevTools())
+      .catch(err => log.error(err));
+  }
 
   const emberAppLocation = 'serve://dist';
 
@@ -103,7 +123,7 @@ app.on('ready', () => {
     subprocess.kill();
     mainWindow = null;
   });
-});
+};
 
 // Handle an unhandled error in the main thread
 //
@@ -125,3 +145,13 @@ process.on('uncaughtException', (err) => {
   log.error('This is a serious issue that needs to be handled and/or debugged.');
   log.error(`Exception: ${err}`);
 });
+
+process.on('unhandledRejection', (reason) => {
+  log.error('An rejected promise in the main thread was not handled.');
+  log.error('This is a serious issue that needs to be handled and/or debugged.');
+  log.error(`Reason: ${reason}`);
+});
+
+module.exports = run().catch((err) => {
+  log.error('Failed to run:', err);
+});