Add encodeQuality/decodeQuality

packages/ripple-binary-codec/package.json

@@ -1,6 +1,6 @@
 {
   "name": "ripple-binary-codec",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "description": "ripple binary codec",
   "files": [
     "distrib/npm/*",
@@ -14,7 +14,7 @@
     "test": "test"
   },
   "dependencies": {
-    "@niq/ripple-core-types": "0.0.3"
+    "@niq/ripple-core": "0.0.6"
   },
   "devDependencies": {
     "assert-diff": "^1.0.1",

packages/ripple-binary-codec/src/index.js

@@ -1,8 +1,9 @@
 'use strict';
 
 const assert = require('assert');
-const coreTypes = require('@niq/ripple-core-types');
-const {binary: {bytesToHex,
+const coreTypes = require('@niq/ripple-core');
+const {quality,
+       binary: {bytesToHex,
                 signingData,
                 multiSigningData,
                 binaryToJSON,
@@ -27,3 +28,13 @@ exports.encodeForMultisigning = function(json, signer) {
   assert(typeof json === 'object');
   return bytesToHex(multiSigningData(json, signer));
 };
+
+exports.encodeQuality = function(value) {
+  assert(typeof value === 'string');
+  return bytesToHex(quality.encode(value));
+};
+
+exports.decodeQuality = function(value) {
+  assert(typeof value === 'string');
+  return quality.decode(value).toString();
+};

packages/ripple-binary-codec/test/quality-test.js

@@ -0,0 +1,18 @@
+'use strict';
+
+const assert = require('assert-diff');
+const {encodeQuality, decodeQuality} = require('../src');
+
+describe('Quality encode/decode', function() {
+  const bookDirectory =
+    '4627DFFCFF8B5A265EDBD8AE8C14A52325DBFEDAF4F5C32E5D06F4C3362FE1D0';
+  const expectedQuality = '195796912.5171664';
+  it('can decode', function() {
+    const decimal = decodeQuality(bookDirectory);
+    assert.equal(decimal, expectedQuality);
+  });
+  it('can encode', function() {
+    const hex = encodeQuality(expectedQuality);
+    assert.equal(hex, bookDirectory.slice(-16));
+  });
+});