Stealthkey toJSON/fromJSON

lib/expmt/stealthkey.js

@@ -27,6 +27,21 @@ Stealthkey.prototype.set = function(obj) {
   return this;
 };
 
+Stealthkey.prototype.fromJSON = function(json) {
+  this.set({
+    payloadKeypair: Keypair().fromJSON(json.payloadKeypair),
+    scanKeypair: Keypair().fromJSON(json.scanKeypair)
+  });
+  return this;
+};
+
+Stealthkey.prototype.toJSON = function() {
+  return {
+    payloadKeypair: this.payloadKeypair.toJSON(),
+    scanKeypair: this.scanKeypair.toJSON()
+  };
+};
+
 Stealthkey.prototype.fromRandom = function() {
   this.payloadKeypair = Keypair().fromRandom();
   this.scanKeypair = Keypair().fromRandom();

test/stealthkey.js

@@ -49,6 +49,30 @@ describe('Stealthkey', function() {
 
   });
 
+  describe('#fromJSON', function() {
+    
+    it('should make a stealthkey from this JSON', function() {
+      var sk = Stealthkey().fromJSON({
+        payloadKeypair: stealthkey.payloadKeypair.toJSON(),
+        scanKeypair: stealthkey.scanKeypair.toJSON()
+      });
+      sk.payloadKeypair.toString().should.equal(stealthkey.payloadKeypair.toString());
+      sk.scanKeypair.toString().should.equal(stealthkey.scanKeypair.toString());
+    });
+
+  });
+
+  describe('#toJSON', function() {
+    
+    it('should convert this stealthkey to json', function() {
+      var json = stealthkey.toJSON()
+      var json2 = Stealthkey().fromJSON(json).toJSON();
+      json.payloadKeypair.privkey.should.equal(json2.payloadKeypair.privkey);
+      json.scanKeypair.privkey.should.equal(json2.scanKeypair.privkey);
+    });
+
+  });
+
   describe('#fromRandom', function() {
 
     it('should create a new stealthkey from random', function() {