Merge pull request #549 from fanatid/feature/wif-2.0.1

Update wif to 2.0.1

.gitignore

@@ -1,3 +1,2 @@
-bitcoin.js
 coverage
 node_modules

package.json

@@ -73,7 +73,7 @@
     "ecurve": "^1.0.0",
     "randombytes": "^2.0.1",
     "typeforce": "^1.6.2",
-    "wif": "^1.1.0"
+    "wif": "^2.0.1"
   },
   "devDependencies": {
     "async": "^1.5.0",

src/ecpair.js

@@ -66,11 +66,12 @@ ECPair.fromWIF = function (string, network) {
 
     network = network.filter(function (network) {
       return version === network.wif
-    }).pop() || {}
+    }).pop()
+    if (!network) throw new Error('Invalid network version')
   }
 
-  var decoded = wif.decodeRaw(network.wif, buffer)
-  var d = BigInteger.fromBuffer(decoded.d)
+  var decoded = wif.decodeRaw(buffer, network.wif)
+  var d = BigInteger.fromBuffer(decoded.privateKey)
 
   return new ECPair(d, null, {
     compressed: decoded.compressed,