fix: switch to protobufjs (#39)

rm unsafe-eval

.eslintignore

@@ -0,0 +1 @@
+src/dag.proto.js

.gitignore

@@ -38,3 +38,6 @@ test/repo-just-for-test*
 
 # Vim .swp files
 **.swp
+
+package-lock.json
+yarn.lock

.travis.yml

@@ -2,13 +2,9 @@ sudo: false
 language: node_js
 matrix:
   include:
-  - node_js: 4
-    env: CXX=g++-4.8
   - node_js: 6
-    env:
-      - SAUCE=true
-      - CXX=g++-4.8
-  - node_js: stable
+    env: CXX=g++-4.8
+  - node_js: 8
     env: CXX=g++-4.8
 
 # Make sure we have new NPM.
@@ -33,4 +29,4 @@ addons:
     sources:
       - ubuntu-toolchain-r-test
     packages:
-      - g++-4.8
+      - g++-4.8

package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "lint": "aegir-lint",
     "build": "aegir-build",
+    "build-proto": "pbjs --wrap commonjs --target static-module src/dag.proto > src/dag.proto.js",
     "test": "aegir-test",
     "test:node": "aegir-test node",
     "test:browser": "aegir-test browser",
@@ -52,7 +53,7 @@
     "is-ipfs": "~0.3.0",
     "multihashes": "~0.4.4",
     "multihashing-async": "~0.4.4",
-    "protocol-buffers": "^3.2.1",
+    "protobufjs": "^6.8.0",
     "pull-stream": "^3.5.0",
     "pull-traverse": "^1.0.3",
     "stable": "^0.1.6"
@@ -70,4 +71,4 @@
     "pre-commit": "^1.2.2",
     "rimraf": "^2.6.1"
   }
-}
+}

src/dag-node/create.js

@@ -14,7 +14,7 @@ function create (data, dagLinks, hashAlg, callback) {
     callback = data
     data = undefined
   } else if (typeof data === 'string') {
-    data = new Buffer(data)
+    data = Buffer.from(data)
   }
   if (typeof dagLinks === 'function') {
     callback = dagLinks
@@ -26,7 +26,7 @@ function create (data, dagLinks, hashAlg, callback) {
   }
 
   if (!Buffer.isBuffer(data)) {
-    return callback('Passed \'data\' is not a buffer or a string!')
+    return callback(new Error('Passed \'data\' is not a buffer or a string!'))
   }
 
   if (!hashAlg) {

src/dag-node/index.js

@@ -12,7 +12,7 @@ class DAGNode {
       multihash = mh.fromB58String(multihash)
     }
 
-    this._data = data || new Buffer(0)
+    this._data = data || Buffer.alloc(0)
     this._links = links || []
     this._serialized = serialized
     this._multihash = multihash

src/dag.proto

@@ -0,0 +1,22 @@
+// An IPFS MerkleDAG Link
+message PBLink {
+
+  // multihash of the target object
+  optional bytes Hash = 1;
+
+  // utf string name. should be unique per object
+  optional string Name = 2;
+
+  // cumulative size of target object
+  optional uint64 Tsize = 3;
+}
+
+// An IPFS MerkleDAG Node
+message PBNode {
+
+  // refs to other objects
+  repeated PBLink Links = 2;
+
+  // opaque user data
+  optional bytes Data = 1;
+}