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// between the `` you add all the address you want to send to
addresses=``.split("\n").map(_=>_.trim()).filter(Boolean)
async function main() {
  $button = [...document.querySelectorAll("button")].filter(
    (b) => b.innerText === "Add recipient"
  )[0];
  let i = 0;
  for (a of addresses) {
    const $amount = document.getElementById("amount_" + i);
    const $address = document.getElementById("address_" + i);

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def speech(text:String) = {
    val audio = WS.url("http://translate.google.com/translate_tts?tl=en").setParameter("q", text).get()
    response.contentType = audio.getContentType()
    audio.getStream()
}
/*
  This is a Play! framework controller's action.
  Put it in any scala controller.
  Don't forget to import play.libs.WS
*/

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How to integrate the Ledger device with a Ethereum Web Application

This is a quick guide to show how to integrate Ledger Ethereum libraries into an existing web application.

If you are starting a new DApp project from scratch, or simply are beginning in this Ethereum Smart Contract world, we have made create-dapp Starter Kit for you, it comes with a out-of-the-box support of Ledger and MetaMask and shows a complete smart contract example (that allows to get/set a value globally).

Whether you want to integrate on an existing app or bootstrap it from scratch with our starter kit, the follow guide will drive you to important part on how things work with the Ledger.

Prerequisites of the guide

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JS1K Boilerplate

Build tools

Install tools

npm install

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#!/bin/bash

REMOTE=play@SERVER_IP
REMOTE_APP=/home/play/PROJECT_NAME/

sbt stage || exit 1;
rsync -va target/ $REMOTE:$REMOTE_APP/target;
ssh $REMOTE "cd $REMOTE_APP; ./stop.sh";
ssh $REMOTE "cd $REMOTE_APP; ./start.sh";

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for f in *.wav; do sox $f ${f%%.wav}.mp3; sox $f ${f%%.wav}.ogg; done

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precision highp float;
varying vec2 uv;
uniform float time;
uniform sampler2D img;
vec3 palette( in float t, in vec3 a, in vec3 b, in vec3 c, in vec3 d ) {
  return a + b*cos( 6.28318*(c*t+d) );
}
vec3 color (float t) {
  return palette(
    t,

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precision highp float;
varying vec2 uv;
uniform float time;

vec3 palette( in float t, in vec3 a, in vec3 b, in vec3 c, in vec3 d ) {
  return a + b*cos( 6.28318*(c*t+d) );
}

vec3 color (float t) {
  return palette(

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package controllers

import play.api._
import play.api.mvc._

object Application extends Controller {
  
  def zip = Action {
    import play.api.libs.iteratee._
    import java.util.zip._

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#ifdef GL_ES
precision highp float;
#endif
uniform sampler2D from, to;
uniform float progress;
uniform vec2 resolution;

uniform float persp;
uniform float unzoom;
uniform float reflection;