feat: /api/v0/dns (#665)

* feat: dns

* Update README.md

* Update README.md

* chore: update deps

Author: hacdias

README.md

@@ -257,6 +257,7 @@ $ ipfs config --json API.HTTPHeaders.Access-Control-Allow-Methods "[\"PUT\", \"P
   - [`ipfs.id([callback])`](https://github.com/ipfs/interface-ipfs-core/tree/master/SPEC/MISCELLANEOUS.md#id)
   - [`ipfs.version([callback])`](https://github.com/ipfs/interface-ipfs-core/tree/master/SPEC/MISCELLANEOUS.md#version)
   - [`ipfs.ping()`](https://github.com/ipfs/interface-ipfs-core/tree/master/SPEC/MISCELLANEOUS.md#ping)
+  - [`ipfs.dns(domain, [callback])`](https://github.com/ipfs/interface-ipfs-core/tree/master/SPEC/MISCELLANEOUS.md#dns)
   
 - [config](https://github.com/ipfs/interface-ipfs-core/tree/master/SPEC/CONFIG.md)
   - [`ipfs.config.get([key, callback])`](https://github.com/ipfs/interface-ipfs-core/tree/master/SPEC/CONFIG.md#configget)

package.json

@@ -35,15 +35,15 @@
     "is-ipfs": "^0.3.2",
     "is-stream": "^1.1.0",
     "lru-cache": "^4.1.1",
-    "multiaddr": "^3.0.1",
-    "multihashes": "~0.4.12",
+    "multiaddr": "^3.0.2",
+    "multihashes": "~0.4.13",
     "ndjson": "^1.5.0",
     "once": "^1.4.0",
     "peer-id": "~0.10.4",
     "peer-info": "~0.11.4",
     "promisify-es6": "^1.0.3",
     "pull-defer": "^0.2.2",
-    "pull-pushable": "^2.1.1",
+    "pull-pushable": "^2.1.2",
     "pump": "^1.0.3",
     "qs": "^6.5.1",
     "readable-stream": "^2.3.3",
@@ -66,7 +66,7 @@
     "dirty-chai": "^2.0.1",
     "eslint-plugin-react": "^7.5.1",
     "gulp": "^3.9.1",
-    "interface-ipfs-core": "~0.38.0",
+    "interface-ipfs-core": "~0.40.0",
     "hapi": "^16.6.2",
     "ipfsd-ctl": "~0.26.0",
     "pre-commit": "^1.2.2",

src/dns.js

@@ -0,0 +1,25 @@
+'use strict'
+
+const promisify = require('promisify-es6')
+const moduleConfig = require('./utils/module-config')
+
+const transform = function (res, callback) {
+  callback(null, res.Path)
+}
+
+module.exports = (arg) => {
+  const send = moduleConfig(arg)
+
+  return promisify((args, opts, callback) => {
+    if (typeof (opts) === 'function') {
+      callback = opts
+      opts = {}
+    }
+
+    send.andTransform({
+      path: 'dns',
+      args: args,
+      qs: opts
+    }, transform, callback)
+  })
+}

src/utils/load-commands.js

@@ -37,7 +37,8 @@ function requireCommands () {
     swarm: require('../swarm'),
     pubsub: require('../pubsub'),
     update: require('../update'),
-    version: require('../version')
+    version: require('../version'),
+    dns: require('../dns')
   }
 
   // TODO: crowding the 'files' namespace temporarily for interface-ipfs-core