fix: rendezvous address resolution

packages/concordia-pinner/package.json

@@ -30,6 +30,7 @@
     "libp2p-webrtc-star": "~0.21.1",
     "lodash": "^4.17.20",
     "morgan": "^1.10.0",
+    "multiaddr": "~10.0.1",
     "orbit-db": "~0.26.0",
     "orbit-db-identity-provider": "~0.3.1",
     "rimraf": "~3.0.2",

packages/concordia-pinner/src/app.js

@@ -1,17 +1,17 @@
 import express from 'express';
-import morgan from 'morgan';
+import morgan from 'morgan';  //TODO: replace morgan with something else
 import _ from 'lodash';
 import fs from 'fs';
 import path from 'path';
 import isReachable from 'is-reachable';
 import { pinnerApiPort } from 'concordia-shared/src/environment/interpolated/pinner';
 import getWeb3ProviderUrl from 'concordia-shared/src/utils/web3';
-import { getResolvedRendezvousUrl } from './utils/ipfsUtils';
+import { getResolvedRendezvousMultiaddress } from './utils/ipfsUtils';
 import { logger, logsDirectoryPath } from './utils/logger';
 
 const POLLING_INTERVAL = 1000;
 const accessLogStream = fs.createWriteStream(path.join(logsDirectoryPath, 'access.log'), { flags: 'a' });
-logger.info('Service setting up.');
+logger.info('Initializing API service.');
 
 const responseBody = {
   ipfs: {
@@ -23,9 +23,11 @@ const responseBody = {
   timestamp: 0,
 };
 
-getResolvedRendezvousUrl().then(({ address }) => {
-  logger.info(`Resolved rendezvous URL to: ${address}`);
-  responseBody.rendezvous.url = address;
+getResolvedRendezvousMultiaddress().then((multiaddress) => {
+  const { address, port } = multiaddress.nodeAddress();
+  const rendezvousUrl = `http://${address}:${port}`;
+  logger.info(`Resolved rendezvous URL to: ${rendezvousUrl}`);
+  responseBody.rendezvous.url = rendezvousUrl;
 });
 
 const getStats = async (orbit) => {

packages/concordia-pinner/src/index.js

@@ -71,7 +71,7 @@ const handleWeb3LogEvent = (web3, eventJsonInterface, orbit) => (error, result)
 };
 
 const main = async () => {
-  logger.info('Initializing IPFS and orbitDb.');
+  logger.info('Initializing IPFS and OrbitDB.');
   const web3 = new Web3(new Web3.providers.WebsocketProvider(getWeb3ProviderUrl()));
 
   getDeployedContract(web3)

packages/concordia-pinner/src/utils/ipfsUtils.js

@@ -1,21 +1,50 @@
 import dns from 'dns';
 import util from 'util';
+import { Multiaddr } from 'multiaddr';
 import { rendezvousHost, rendezvousPort } from 'concordia-shared/src/environment/interpolated/rendezvous';
 import { logger } from './logger';
 
 const dnsLookup = util.promisify(dns.lookup);
 
-export const getResolvedRendezvousUrl = async () => {
-  if (rendezvousHost.startsWith('/docker/')) {
-    return dnsLookup(rendezvousHost.substring('/docker/'.length), { family: 4 })
-      .then((resolvedDomain) => `/ip4/${resolvedDomain.address}`)
-      .catch((error) => logger.error(new Error(`DNS lookup of ${rendezvousHost} failed.\n${error}`)));
+const isMultiaddr = (input) => {
+  try {
+    // eslint-disable-next-line no-new
+    new Multiaddr(input);
+    return true;
+  } catch (e) {
+    logger.error(new Error(`Invalid rendezvous multiaddress ${input}!`));
+    return false;
   }
+};
+
+// eslint-disable-next-line consistent-return
+const getRendezvousMultiaddress = () => {
+  const host = rendezvousHost.startsWith('/docker/') ? rendezvousHost.substring('/docker/'.length) : rendezvousHost;
+
+  const multiaddress = `${host}/tcp/${rendezvousPort}/wss/p2p-webrtc-star`;
+  if (isMultiaddr(multiaddress)) return new Multiaddr(multiaddress);
+  process.exit(1); // Invalid multiaddress - exiting with error
+};
 
-  return Promise.resolve(rendezvousHost);
+export const getResolvedRendezvousMultiaddress = async () => {
+  const rendezvousMultiaddress = getRendezvousMultiaddress();
+  const { address } = rendezvousMultiaddress.nodeAddress();
+
+  // Address is a domain to be resolved to IP
+  if (rendezvousMultiaddress.toString().includes('/dns4/')) {
+    try {
+      const resolvedDomain = await dnsLookup(address);
+      return Promise.resolve(new Multiaddr(`/ip4/${resolvedDomain.address}/tcp/${rendezvousPort}/wss/p2p-webrtc-star`));
+    } catch (error) {
+      logger.error(new Error(`DNS lookup of ${address} failed.\n${error}`));
+      process.exit(2);
+    }
+  }
+  return Promise.resolve(rendezvousMultiaddress);
 };
 
-export const getSwarmAddresses = async () => getResolvedRendezvousUrl()
-  .then((resolvedRendezvousHost) => [
-    `${resolvedRendezvousHost}/tcp/${rendezvousPort}/wss/p2p-webrtc-star`,
-  ]);
+// TODO: currently this only works for a single rendezvous
+export const getSwarmAddresses = async () => getResolvedRendezvousMultiaddress()
+  .then((resolvedRendezvousMultiaddress) => [
+    resolvedRendezvousMultiaddress.toString(),
+  ]).catch((error) => logger.error(new Error(`getSwarmAddresses failed.\n${error}`)));

yarn.lock

@@ -5917,7 +5917,7 @@ dns-equal@^1.0.0:
   resolved "https://registry.yarnpkg.com/dns-equal/-/dns-equal-1.0.0.tgz#b39e7f1da6eb0a75ba9c17324b34753c47e0654d"
   integrity sha1-s55/HabrCnW6nBcySzR1PEfgZU0=
 
-dns-over-http-resolver@^1.0.0:
+dns-over-http-resolver@^1.0.0, dns-over-http-resolver@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/dns-over-http-resolver/-/dns-over-http-resolver-1.2.3.tgz#194d5e140a42153f55bb79ac5a64dd2768c36af9"
   integrity sha512-miDiVSI6KSNbi4SVifzO/reD8rMnxgrlnkrlkugOLQpWQTe2qMdHsZp5DmfKjxNE+/T3VAAYLQUZMv9SMr6+AA==
@@ -12813,6 +12813,18 @@ multiaddr@^9.0.1:
     uint8arrays "^2.1.3"
     varint "^6.0.0"
 
+multiaddr@~10.0.1:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/multiaddr/-/multiaddr-10.0.1.tgz#0d15848871370860a4d266bb44d93b3dac5d90ef"
+  integrity sha512-G5upNcGzEGuTHkzxezPrrD6CaIHR9uo+7MwqhNVcXTs33IInon4y7nMiGxl2CY5hG7chvYQUQhz5V52/Qe3cbg==
+  dependencies:
+    dns-over-http-resolver "^1.2.3"
+    err-code "^3.0.1"
+    is-ip "^3.1.0"
+    multiformats "^9.4.5"
+    uint8arrays "^3.0.0"
+    varint "^6.0.0"
+
 multibase@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/multibase/-/multibase-0.7.0.tgz#1adfc1c50abe05eefeb5091ac0c2728d6b84581b"
@@ -16936,9 +16948,6 @@ snake-case@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/snake-case/-/snake-case-3.0.4.tgz#4f2bbd568e9935abdfd593f34c691dadb49c452c"
   integrity sha512-LAOh4z89bGQvl9pFfNF8V146i7o7/CqFPbqzYgP+yYzDIDeS9HaNFtXABamRW+AQzEVODcvE79ljJ+8a9YSdMg==
-  dependencies:
-    dot-case "^3.0.4"
-    tslib "^2.0.3"
 
 snapdragon-node@^2.0.1:
   version "2.1.1"