feat: add support for js-ipfs dag api and also some tests

package.json

@@ -50,6 +50,7 @@
     "ipfs-utils": "~0.0.3",
     "ipld-dag-cbor": "~0.15.0",
     "ipld-dag-pb": "~0.17.3",
+    "ipld-raw": "^4.0.0",
     "is-ipfs": "~0.6.1",
     "is-pull-stream": "0.0.0",
     "is-stream": "^2.0.0",
@@ -85,7 +86,7 @@
     "cross-env": "^5.2.0",
     "dirty-chai": "^2.0.1",
     "go-ipfs-dep": "~0.4.21",
-    "interface-ipfs-core": "~0.107.0",
+    "interface-ipfs-core": "^0.107.1",
     "ipfsd-ctl": "~0.43.0",
     "nock": "^10.0.2",
     "stream-equal": "^1.1.1"

src/dag/get.js

@@ -2,14 +2,16 @@
 
 const dagPB = require('ipld-dag-pb')
 const dagCBOR = require('ipld-dag-cbor')
+const raw = require('ipld-raw')
 const promisify = require('promisify-es6')
 const CID = require('cids')
 const waterfall = require('async/waterfall')
 const block = require('../block')
 
 const resolvers = {
   'dag-cbor': dagCBOR.resolver,
-  'dag-pb': dagPB.resolver
+  'dag-pb': dagPB.resolver,
+  raw: raw.resolver
 }
 
 module.exports = (send) => {
@@ -48,7 +50,7 @@ module.exports = (send) => {
         const dagResolver = resolvers[ipfsBlock.cid.codec]
 
         if (!dagResolver) {
-          const error = new Error('ipfs-http-client is missing DAG resolver for "' + ipfsBlock.cid.codec + '" multicodec')
+          const error = new Error(`Missing IPLD format "${ipfsBlock.cid.codec}"`)
           error.missingMulticodec = ipfsBlock.cid.codec
           return cb(error)
         }
@@ -59,6 +61,7 @@ module.exports = (send) => {
         } catch (err) {
           return cb(err)
         }
+
         cb(null, res)
       }
     ], callback)

test/dag.spec.js

@@ -68,16 +68,15 @@ describe('.dag', function () {
     })
   })
 
-  it('should callback with error when missing DAG resolver for raw multicodec', (done) => {
-    ipfs.dag.put(Buffer.from([0, 1, 2, 3]), {
-      // CIDv1 with multicodec = raw
-      cid: new CID('bafkreigh2akiscaildcqabsyg3dfr6chu3fgpregiymsck7e7aqa4s52zy')
-    }, (err, cid) => {
+  it('should callback with error when missing DAG resolver for multicodec from requested CID', (done) => {
+    ipfs.block.put(Buffer.from([0, 1, 2, 3]), {
+      cid: new CID('z8mWaJ1dZ9fH5EetPuRsj8jj26pXsgpsr')
+    }, (err, block) => {
       expect(err).to.not.exist()
 
-      ipfs.dag.get(cid, (err, result) => {
+      ipfs.dag.get(block.cid, (err, result) => {
         expect(result).to.not.exist()
-        expect(err.message).to.equal('ipfs-http-client is missing DAG resolver for "raw" multicodec')
+        expect(err.message).to.equal('Missing IPLD format "git-raw"')
         done()
       })
     })