Add Ed25519 seeds and tests

packages/ripple-address-codec/test/codec-test.js

@@ -0,0 +1,42 @@
+var assert = require('assert');
+var api = require('../');
+
+function toHex(bytes) {
+  return new Buffer(bytes).toString('hex').toUpperCase();
+}
+
+function toBytes(hex) {
+  return new Buffer(hex, 'hex').toJSON().data;
+}
+
+describe('ripple-address-codec', function() {
+  function makeTest(type, base58, hex, opts) {
+    opts = opts || {};
+
+    it('can translate between ' + hex + ' and ' + base58, function() {
+      var actual = api['encode' + type](toBytes(hex));
+      var buf = api['decode' + type](base58);
+      assert.equal(actual, base58);
+      assert.equal(toHex(buf), hex);
+    });
+  }
+
+  makeTest('AccountID', 'rJrRMgiRgrU6hDF4pgu5DXQdWyPbY35ErN',
+                        'BA8E78626EE42C41B46D46C3048DF3A1C3C87072');
+
+  makeTest('K256Seed',  'sn259rEFXrQrWyx3Q7XneWcwV6dfL',
+                        'CF2DE378FBDD7E2EE87D486DFB5A7BFF');
+
+  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, 'EdSeed');
+
+    var decoded = api.decodeSeed('sn259rEFXrQrWyx3Q7XneWcwV6dfL');
+    assert.equal(toHex(decoded.bytes), 'CF2DE378FBDD7E2EE87D486DFB5A7BFF');
+    assert.equal(decoded.type, 'K256Seed');
+  });
+});