From b1a3a2a54ee025ff48e3266f96856c4030db2d51 Mon Sep 17 00:00:00 2001
From: achingbrain <alex@achingbrain.net>
Date: Wed, 15 May 2019 12:17:20 +0100
Subject: [PATCH] fix: respect the `cidVersion` option

The [interface-ipld-format spec](https://github.com/ipld/interface-ipld-format#utilcidbinaryblob-options)
says the CID verison option is `cidVersion`.  This module passes it
to formats as `version` which is subsequently ignored.
---
 src/index.js        |  2 +-
 test/ipld-dag-pb.js | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index e64075c..28bb6f8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -185,7 +185,7 @@ class IPLDResolver {
     const options = mergeOptions(defaultOptions, userOptions)
 
     const cidOptions = {
-      version: options.cidVersion,
+      cidVersion: options.cidVersion,
       hashAlg: options.hashAlg,
       onlyHash: options.onlyHash
     }
diff --git a/test/ipld-dag-pb.js b/test/ipld-dag-pb.js
index 959038c..ce07ddf 100644
--- a/test/ipld-dag-pb.js
+++ b/test/ipld-dag-pb.js
@@ -135,6 +135,24 @@ module.exports = (repo) => {
           await expect(resolver.get(cid)).to.eventually.be.rejected()
         }
       })
+
+      it('should return a v0 CID when specified', async () => {
+        const node = dagPB.DAGNode.create(Buffer.from('a dag-pb node'))
+        const cid = await resolver.put(node, multicodec.DAG_PB, {
+          cidVersion: 0
+        })
+
+        expect(cid.version).to.equal(0)
+      })
+
+      it('should return a v1 CID when specified', async () => {
+        const node = dagPB.DAGNode.create(Buffer.from('a dag-pb node'))
+        const cid = await resolver.put(node, multicodec.DAG_PB, {
+          cidVersion: 1
+        })
+
+        expect(cid.version).to.equal(1)
+      })
     })
   })
 }