From d92fe85fecdf1e3409750d381d20d91bc3d25a49 Mon Sep 17 00:00:00 2001
From: Mikeal Rogers <mikeal.rogers@gmail.com>
Date: Sun, 7 Apr 2019 21:54:04 +0000
Subject: [PATCH 1/3] feat: validation. fixes #43

---
 src/index.js       |  9 +++++++++
 test/index.spec.js | 26 ++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/src/index.js b/src/index.js
index 335a270e..125045eb 100644
--- a/src/index.js
+++ b/src/index.js
@@ -139,3 +139,12 @@ Multihashing.functions = {
 
 // add blake functions
 crypto.addBlake(Multihashing.functions)
+
+Multihashing.validate = (data, hash, callback) => {
+  let algo = multihash.decode(hash).name
+  Multihashing(data, algo, (err, newHash) => {
+    if (err) return callback(err)
+    callback(err, Buffer.compare(hash, newHash) === 0)
+  })
+}
+
diff --git a/test/index.spec.js b/test/index.spec.js
index e05510b1..6bb2ca54 100644
--- a/test/index.spec.js
+++ b/test/index.spec.js
@@ -76,3 +76,29 @@ describe('multihashing', () => {
     })
   })
 })
+
+describe('validate', () => {
+  it('true on pass', done => {
+    multihashing(Buffer.from('test'), 'sha2-256', (err, hash) => {
+      if (err) throw err
+      multihashing.validate(Buffer.from('test'), hash, (err, bool) => {
+        if (err) throw err
+        console.error('asdf', bool)
+        expect(bool).to.eql(true)
+        done()
+      })
+    })
+  })
+  
+  it('false on fail', done => {
+    multihashing(Buffer.from('test'), 'sha2-256', (err, hash) => {
+      if (err) throw err
+      multihashing.validate(Buffer.from('test-fail'), hash, (err, bool) => {
+        if (err) throw err
+        expect(bool).to.eql(false)
+        done()
+      })
+    })
+  })
+})
+

From 5e8f5df73e4140cc7dfae166e5988c374526d726 Mon Sep 17 00:00:00 2001
From: Mikeal Rogers <mikeal.rogers@gmail.com>
Date: Mon, 8 Apr 2019 20:58:36 +0000
Subject: [PATCH 2/3] fix: code review fixes

---
 test/index.spec.js | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/test/index.spec.js b/test/index.spec.js
index 6bb2ca54..e34f2819 100644
--- a/test/index.spec.js
+++ b/test/index.spec.js
@@ -80,10 +80,9 @@ describe('multihashing', () => {
 describe('validate', () => {
   it('true on pass', done => {
     multihashing(Buffer.from('test'), 'sha2-256', (err, hash) => {
-      if (err) throw err
+      if (err) throw done(err)
       multihashing.validate(Buffer.from('test'), hash, (err, bool) => {
-        if (err) throw err
-        console.error('asdf', bool)
+        if (err) throw done(err)
         expect(bool).to.eql(true)
         done()
       })
@@ -92,9 +91,9 @@ describe('validate', () => {
   
   it('false on fail', done => {
     multihashing(Buffer.from('test'), 'sha2-256', (err, hash) => {
-      if (err) throw err
+      if (err) throw done(err)
       multihashing.validate(Buffer.from('test-fail'), hash, (err, bool) => {
-        if (err) throw err
+        if (err) throw done(err)
         expect(bool).to.eql(false)
         done()
       })

From 6ae27248868562e5d2ad70d06cb6f1cd57a35359 Mon Sep 17 00:00:00 2001
From: Mikeal Rogers <mikeal.rogers@gmail.com>
Date: Wed, 10 Apr 2019 20:14:49 +0000
Subject: [PATCH 3/3] fix: linter errors

---
 src/index.js       | 1 -
 test/index.spec.js | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/index.js b/src/index.js
index 125045eb..01052f92 100644
--- a/src/index.js
+++ b/src/index.js
@@ -147,4 +147,3 @@ Multihashing.validate = (data, hash, callback) => {
     callback(err, Buffer.compare(hash, newHash) === 0)
   })
 }
-
diff --git a/test/index.spec.js b/test/index.spec.js
index e34f2819..73411c6b 100644
--- a/test/index.spec.js
+++ b/test/index.spec.js
@@ -88,7 +88,7 @@ describe('validate', () => {
       })
     })
   })
-  
+
   it('false on fail', done => {
     multihashing(Buffer.from('test'), 'sha2-256', (err, hash) => {
       if (err) throw done(err)
@@ -100,4 +100,3 @@ describe('validate', () => {
     })
   })
 })
-