Hello world

lib/lndhub.js

@@ -0,0 +1,65 @@
+import fetch from 'node-fetch';
+
+export default class Lndhub {
+  constructor (baseUrl) {
+    this.baseUrl = baseUrl;
+  }
+
+  async auth (username, password) {
+    const payload = { "login": username, "password": password };
+
+    const res = await fetch(`${this.baseUrl}/auth`, {
+      method: 'post',
+      body: JSON.stringify(payload),
+      headers: { 'Content-Type': 'application/json' }
+    });
+    const data = await res.json();
+
+    this.refreshToken = data.refresh_token;
+    this.accessToken = data.access_token;
+  }
+
+  async reauth (refreshToken) {
+    const payload = { "refresh_token": this.refreshToken };
+
+    const res = await fetch(`${this.baseUrl}/auth`, {
+      method: 'post',
+      body: JSON.stringify(payload),
+      headers: { 'Content-Type': 'application/json' }
+    });
+    const data = await res.json();
+
+    this.accessToken = data.access_token;
+  }
+
+  async createInvoice (amount, description) {
+    const payload = { amount, description };
+
+    const res = await fetch(`${this.baseUrl}/v2/invoices`, {
+      method: 'post',
+      body: JSON.stringify(payload),
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${this.accessToken}`
+      }
+    });
+    const data = await res.json();
+    // TODO re-auth if token has expired
+
+    return data;
+  }
+
+  async getInvoice (paymentHash) {
+    const res = await fetch(`${this.baseUrl}/v2/invoices/${paymentHash}`, {
+      method: 'get',
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${this.accessToken}`
+      }
+    });
+    const data = await res.json();
+    // TODO re-auth if token has expired
+
+    return data;
+  }
+}

lib/utils.js

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+import { xml } from "@xmpp/client";
+
+export function randomHex () {
+  return Math.random().toString(16).slice(2, 8);
+}
+
+export function pingXml (to) {
+  return xml(
+    "iq", { to, id: `ping-${randomHex()}`, type: "get" },
+      xml("ping", { xmlns: "urn:xmpp:ping" })
+  )
+}
+
+export function isPingResponse (stanza) {
+  return stanza.attrs.id.match(/^ping/) &&
+         stanza.attrs.type === "result";
+}
+
+export function roomDirectMessageXml (room, nick, messageBody) {
+  return xml(
+    "message", { type: "chat", to: `${room}/${nick}` },
+      xml("body", {}, messageBody)
+  );
+}
+
+export function grantVoiceMessageXml (room, nick) {
+  return xml(
+    "iq", { id: `voice-${randomHex()}`, to: room, type: "set" },
+      xml("query", { xmlns: "http://jabber.org/protocol/muc#admin" },
+        xml("item", { nick: nick, role: "participant" }
+      ))
+  );
+}
+
+export function parseForm (stanza) {
+  const form = stanza.getChild("x", "jabber:x:data");
+  if (!form) return false;
+
+  const fieldElements = form.getChildren("field");
+  const fields = [];
+
+  for (const e of fieldElements) {
+    fields.push({
+      name: e.attrs.var,
+      value: e.getChild("value").text()
+    })
+  }
+
+  return fields;
+}
+
+export function isVoiceRequest (stanza) {
+  const formFields = parseForm(stanza);
+
+  return !!formFields && formFields.find(f => {
+    return f.name === "FORM_TYPE" &&
+           f.value === "http://jabber.org/protocol/muc#request"
+  });
+}