Setup telegraf framework

.eslintrc.js

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+module.exports = {
+  "parserOptions": {
+    "ecmaVersion": 2017,
+  },
+  "env": {
+    "node": true,
+    "jest": true,
+    "es6": true,
+  },
+  "extends": [
+    "eslint:recommended",
+    "prettier",
+  ],
+  "plugins": [
+    "prettier",
+  ],
+  "rules": {
+    "prettier/prettier": ["error", {
+      "trailingComma": "es5",
+      "printWidth": 120,
+    }],
+  },
+};

.gitignore

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+# Custom
+lib
+
+# Created by https://www.gitignore.io/api/node,osx,windows,linux
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+
+### OSX ###
+*.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.gitignore.io/api/node,osx,windows,linux

Dockerfile

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+FROM node:8
+
+# Configure timezone
+ENV TZ=America/Santiago
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+
+# Create app directory
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+
+# Install app dependencies
+COPY package.json /usr/src/app/
+RUN npm install
+
+# Bundle app source
+COPY . /usr/src/app
+
+EXPOSE 4000
+
+CMD ["npm", "start"]

README.md

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+# Cryptowl Bot
+
+[![dependencies][dependencies-image]][dependencies-url] [![dev-dependencies][dev-dependencies-image]][dev-dependencies-url] [![styled with prettier](https://img.shields.io/badge/styled_with-prettier-ff69b4.svg)](https://github.com/prettier/prettier)
+
+Telegram bot built with [`telegraf/telegraf`](https://github.com/telegraf/telegraf).
+
+> [Start conversation here](https://t.me/cryptowl_bot)
+
+## Development
+
+**Requirements:**
+* Node.js 8
+* Yarn
+
+Clone this repository:
+
+```sh
+git clone https://github.com/cryptowljs/cryptowl_bot.git
+cd cryptowl_bot
+```
+
+Install dependencies:
+```sh
+yarn
+```
+
+Make sure to set the next environment variables:
+
+```txt
+URL=https://asdfg.ngrok.io
+TELEGRAM__TOKEN=1g**********************VbQYF
+TELEGRAM__USERNAME=cryptowl_bot
+TELEGRAM__SECRET_PATH=aaaaaaaaaaaaaaaaaaaaa
+```
+
+These can be set with a `.env` files (ignored by git).
+
+Start this bot:
+
+```sh
+yarn start
+```
+
+## Production
+
+**Requirements:**
+* Docker
+* Docker-Compose
+
+Create the same `.env` file but with the production values. Then:
+
+```sh
+docker-compose up -d --build
+```
+
+[dependencies-image]: https://david-dm.org/cryptowljs/cryptowl_bot.svg
+[dependencies-url]: https://david-dm.org/cryptowljs/cryptowl_bot
+[dev-dependencies-image]: https://david-dm.org/cryptowljs/cryptowl_bot/dev-status.svg
+[dev-dependencies-url]: https://david-dm.org/cryptowljs/cryptowl_bot#info=devDependencies

config/default.json

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+{
+  "NODE_ENV": "development",
+  "PORT": 4000,
+  "APP_URL": null,
+  "NOW_URL": null,
+  "URL": null,
+  "TELEGRAM": {
+    "TOKEN": null,
+    "USERNAME": null,
+    "SECRET_PATH": null
+  }
+}

docker-compose.yml

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+version: '2'
+services:
+  bot:
+    build: .
+    restart: always
+    ports:
+      - 80:4000
+      - 443:4000
+      - 4000:4000
+    environment:
+      - NODE_ENV=production
+      - PORT=4000
+      - URL
+      - TELEGRAM__TOKEN
+      - TELEGRAM__USERNAME
+      - TELEGRAM__SECRET_PATH

package.json

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+{
+  "name": "@cryptowl/bot",
+  "version": "0.1.0",
+  "description": "",
+  "private": true,
+  "main": "src/index.js",
+  "scripts": {
+    "dev": "nodemon src/index.js --delay 1",
+    "start": "node src/index.js",
+    "lint": "eslint ."
+  },
+  "files": [
+    "src",
+    "docs",
+    "config"
+  ],
+  "engines": {
+    "node": ">=8.0.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/cryptowljs/cryptowl-bot.git"
+  },
+  "author": {
+    "email": "[email protected]",
+    "name": "Patricio López Juri",
+    "url": "https://lopezjuri.com",
+    "telegram": "mrpatiwi"
+  },
+  "license": "MIT",
+  "dependencies": {
+    "@cryptolatam/cryptomkt": "^0.2.1",
+    "@cryptolatam/money": "^0.1.7",
+    "@cryptolatam/surbtc": "^0.2.1",
+    "axios": "^0.16.2",
+    "bluebird": "^3.5.1",
+    "dedent": "^0.7.0",
+    "dotenv": "^4.0.0",
+    "koa": "^2.4.1",
+    "koa-bodyparser": "^4.2.0",
+    "koa-logger": "^3.1.0",
+    "koa-router": "^7.3.0",
+    "lodash": "^4.17.4",
+    "moment": "^2.19.1",
+    "nconf": "^0.8.5",
+    "rxjs": "^5.4.2",
+    "telegraf": "^3.17.2"
+  },
+  "optionalDependencies": {},
+  "peerDependencies": {},
+  "devDependencies": {
+    "eslint": "^4.9.0",
+    "eslint-config-prettier": "^2.6.0",
+    "eslint-plugin-prettier": "^2.3.1",
+    "nodemon": "^1.12.1",
+    "prettier": "^1.7.4"
+  }
+}

src/bot.js

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+"use strict";
+
+const Telegraf = require("telegraf");
+
+module.exports = function createBot(options) {
+  const { config } = options;
+
+  const bot = new Telegraf(config.get("TELEGRAM:TOKEN"), {
+    username: config.get("TELEGRAM:USERNAME"),
+  });
+  bot.telegram.setWebhook(`${config.get("URL")}/${config.get("TELEGRAM:SECRET_PATH")}`);
+
+  bot.command("help", ctx => ctx.reply("Try send a sticker!"));
+  bot.hears("hi", ctx => ctx.reply("Hey there!"));
+
+  return bot;
+};

src/configuration.js

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+const path = require("path");
+const nconf = require("nconf");
+const dotenv = require("dotenv");
+
+const SEPARATOR = ":";
+
+// From /config/*.json
+function fromJSON(name) {
+  return path.join(__dirname, "..", "config", `${name}.json`);
+}
+
+// Method to create a sub-configuration from this object
+nconf.Provider.prototype.sub = function sub(...args) {
+  const generated = new nconf.Provider();
+  generated.defaults(this.get(args.join(SEPARATOR)));
+  return generated;
+};
+
+module.exports = function configuration(subtree = null) {
+  dotenv.config();
+
+  const config = new nconf.Provider({ separator: SEPARATOR });
+
+  // Priorice cli arguments and then environment.
+  config.argv().env("__");
+
+  // Sane defaults
+  config.defaults({
+    NODE_ENV: "development",
+  });
+
+  // Check and set NODE_ENV
+  const environment = config.get("NODE_ENV");
+
+  // Load from environment file
+  config.file("environment", {
+    file: fromJSON(environment),
+  });
+
+  // Default fallback
+  config.file("default", {
+    file: fromJSON("default"),
+  });
+
+  // Set URL
+  config.set("URL", config.get("APP_URL") || config.get("NOW_URL") || config.get("URL"));
+
+  // Throw error if missing
+  config.required(["URL", "TELEGRAM:TOKEN", "TELEGRAM:USERNAME", "TELEGRAM:SECRET_PATH"]);
+
+  // Return a sub-tree of the config object is needed
+  return subtree ? config.sub(subtree) : config;
+};