diff --git a/packages/ripple-address-codec/.travis.yml b/packages/ripple-address-codec/.travis.yml
index 9bf9623b..9e3e581f 100644
--- a/packages/ripple-address-codec/.travis.yml
+++ b/packages/ripple-address-codec/.travis.yml
@@ -3,6 +3,7 @@ node_js:
 - '0.12'
 script:
 - npm test --coverage
+- npm run-script lint
 - npm run-script coveralls
 env:
   global:
diff --git a/packages/ripple-address-codec/package.json b/packages/ripple-address-codec/package.json
index 92d8cdd8..1abed7a3 100644
--- a/packages/ripple-address-codec/package.json
+++ b/packages/ripple-address-codec/package.json
@@ -6,15 +6,18 @@
   "license": "ISC",
   "dependencies": {
     "hash.js": "^1.0.3",
-    "x-address-codec": "^0.5.0"
+    "x-address-codec": "^0.6.0"
   },
   "scripts": {
     "test": "istanbul test _mocha",
-    "coveralls": "cat ./coverage/lcov.info | coveralls"
+    "prepublish": "npm test && npm run lint",
+    "coveralls": "cat ./coverage/lcov.info | coveralls",
+    "lint": "if ! [ -f eslintrc ]; then curl -o eslintrc 'https://raw.githubusercontent.com/ripple/javascript-style-guide/master/eslintrc'; fi; eslint --reset -c eslintrc src/*.js test/*.js"
   },
   "devDependencies": {
-    "istanbul": "~0.3.5",
     "coveralls": "~2.10.0",
+    "eslint": "^0.24.1",
+    "istanbul": "~0.3.5",
     "mocha": "^2.2.5"
   },
   "readmeFilename": "README.md",
diff --git a/packages/ripple-address-codec/src/index.js b/packages/ripple-address-codec/src/index.js
index d7918519..9f277191 100644
--- a/packages/ripple-address-codec/src/index.js
+++ b/packages/ripple-address-codec/src/index.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var hashjs = require('hash.js');
 var apiFactory = require('x-address-codec');
 
@@ -8,12 +10,12 @@ var FAMILY_SEED = 33;
 var ED25519_SEED = [0x01, 0xE1, 0x4B];
 
 module.exports = apiFactory({
-  sha256: function (bytes) {
+  sha256: function(bytes) {
     return hashjs.sha256().update(bytes).digest();
   },
   defaultAlphabet: 'ripple',
   codecMethods: {
-    EdSeed : {
+    EdSeed: {
       expectedLength: 16,
       version: ED25519_SEED
     },
@@ -23,9 +25,9 @@ module.exports = apiFactory({
       versions: [ED25519_SEED, FAMILY_SEED],
       expectedLength: 16
     },
-    AccountID: {version: ACCOUNT_ID },
-    NodePublic: {version: NODE_PUBLIC },
+    AccountID: {version: ACCOUNT_ID},
+    NodePublic: {version: NODE_PUBLIC},
     NodePrivate: {version: NODE_PRIVATE},
-    K256Seed : {version: FAMILY_SEED }
+    K256Seed: {version: FAMILY_SEED}
   }
 });
diff --git a/packages/ripple-address-codec/test/codec-test.js b/packages/ripple-address-codec/test/codec-test.js
index bee0a3bd..ac13946e 100644
--- a/packages/ripple-address-codec/test/codec-test.js
+++ b/packages/ripple-address-codec/test/codec-test.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var assert = require('assert');
 var api = require('../');
 
@@ -26,22 +28,32 @@ describe('ripple-address-codec', function() {
   makeTest('AccountID', 'rJrRMgiRgrU6hDF4pgu5DXQdWyPbY35ErN',
                         'BA8E78626EE42C41B46D46C3048DF3A1C3C87072');
 
-  makeTest('NodePublic', 'n9MXXueo837zYH36DvMc13BwHcqtfAWNJY5czWVbp7uYTj7x17TH',
-                        '0388E5BA87A000CB807240DF8C848EB0B5FFA5C8E5A521BC8E105C0F0A44217828');
+  makeTest(
+    'NodePublic',
+    'n9MXXueo837zYH36DvMc13BwHcqtfAWNJY5czWVbp7uYTj7x17TH',
+    '0388E5BA87A000CB807240DF8C848EB0B5FFA5C8E5A521BC8E105C0F0A44217828');
 
-  makeTest('K256Seed',  'sn259rEFXrQrWyx3Q7XneWcwV6dfL',
-                        'CF2DE378FBDD7E2EE87D486DFB5A7BFF');
+  makeTest('K256Seed', 'sn259rEFXrQrWyx3Q7XneWcwV6dfL',
+                       'CF2DE378FBDD7E2EE87D486DFB5A7BFF');
 
-  makeTest('EdSeed',  'sEdTM1uX8pu2do5XvTnutH6HsouMaM2',
-                      '4C3A1D213FBDFB14C7C28D609469B341');
+  makeTest('EdSeed', 'sEdTM1uX8pu2do5XvTnutH6HsouMaM2',
+                     '4C3A1D213FBDFB14C7C28D609469B341');
 
   it('can decode arbitray seeds', function() {
     var decoded = api.decodeSeed('sEdTM1uX8pu2do5XvTnutH6HsouMaM2');
     assert.equal(toHex(decoded.bytes), '4C3A1D213FBDFB14C7C28D609469B341');
     assert.equal(decoded.type, 'ed25519');
 
-    var decoded = api.decodeSeed('sn259rEFXrQrWyx3Q7XneWcwV6dfL');
-    assert.equal(toHex(decoded.bytes), 'CF2DE378FBDD7E2EE87D486DFB5A7BFF');
-    assert.equal(decoded.type, 'secp256k1');
+    var decoded2 = api.decodeSeed('sn259rEFXrQrWyx3Q7XneWcwV6dfL');
+    assert.equal(toHex(decoded2.bytes), 'CF2DE378FBDD7E2EE87D486DFB5A7BFF');
+    assert.equal(decoded2.type, 'secp256k1');
+  });
+
+  it('can pass a type as second arg to encodeSeed', function() {
+    var edSeed = 'sEdTM1uX8pu2do5XvTnutH6HsouMaM2';
+    var decoded = api.decodeSeed(edSeed);
+    assert.equal(toHex(decoded.bytes), '4C3A1D213FBDFB14C7C28D609469B341');
+    assert.equal(decoded.type, 'ed25519');
+    assert.equal(api.encodeSeed(decoded.bytes, decoded.type), edSeed);
   });
 });