diff --git a/js/models/PrivateKey.js b/js/models/PrivateKey.js
index 8e60ebf05..1b27fe7d3 100644
--- a/js/models/PrivateKey.js
+++ b/js/models/PrivateKey.js
@@ -32,4 +32,17 @@ PrivateKey.prototype.get = function(index,isChange) {
   return wk;
 };
 
+PrivateKey.prototype.getAll = function(addressIndex, changeAddressIndex) {
+  var ret = [];
+  for(var i=0;i<addressIndex; i++) {
+    ret.push(this.get(i,false));
+  }
+  for(var i=0; i<changeAddressIndex; i++) {
+    ret.push(this.get(i,true));
+  }
+  return ret;
+};
+
+
+
 module.exports = require('soop')(PrivateKey);
diff --git a/js/models/PublicKeyRing.js b/js/models/PublicKeyRing.js
index dba051db9..9251f7eca 100644
--- a/js/models/PublicKeyRing.js
+++ b/js/models/PublicKeyRing.js
@@ -26,7 +26,6 @@ function PublicKeyRing(opts) {
 
   this.id = opts.id || PublicKeyRing.getRandomId();
 
-  this.dirty = 1;
   this.copayersBIP32 = [];
 
   this.changeAddressIndex=0;
@@ -79,27 +78,21 @@ PublicKeyRing.fromObj = function (data) {
     return new BIP32(pk);
   });
 
-  w.dirty = 0;
-
   return w;
 };
 
-PublicKeyRing.read = function (id, passphrase) {
-  var encPayload = storage.get(id);
+PublicKeyRing.read = function (encPayload, id, passphrase) {
   if (!encPayload) 
     throw new Error('Could not find wallet data');
   var data;
   try {
     data = JSON.parse( PublicKeyRing.decrypt( passphrase, encPayload ));
   } catch (e) {
-    throw new Error('error in storage: '+ e.toString());
-    return;
-  };
+    throw new Error('error in read: '+ e.toString());
+  }
 
   if (data.id !== id) 
     throw new Error('Wrong id in data');
-
-
   return PublicKeyRing.fromObj(data);
 };
 
@@ -124,14 +117,11 @@ PublicKeyRing.prototype.serialize = function () {
 };
 
 
-PublicKeyRing.prototype.store = function (passphrase) {
-
+PublicKeyRing.prototype.toStore = function (passphrase) {
   if (!this.id) 
       throw new Error('wallet has no id');
-  storage.set(this.id, PublicKeyRing.encrypt(passphrase,this.serialize()));
-  this.dirty = 0;
 
-  return true;
+  return PublicKeyRing.encrypt(passphrase,this.serialize());
 };
 
 PublicKeyRing.prototype.registeredCopayers = function () {
@@ -171,7 +161,6 @@ PublicKeyRing.prototype.addCopayer = function (newEpk) {
   });
 
   this.copayersBIP32.push(new BIP32(newEpk));
-  this.dirty = 1;
   return newEpk;
 };
 
diff --git a/js/models/TxProposals.js b/js/models/TxProposals.js
index ab414ce85..22cdba49e 100644
--- a/js/models/TxProposals.js
+++ b/js/models/TxProposals.js
@@ -40,7 +40,7 @@ TxProposals.prototype.list = function() {
   });
 };
 
-TxProposals.prototype.create = function(toAddress, amountSat, utxos, onePrivKey) {
+TxProposals.prototype.create = function(toAddress, amountSat, utxos, privs) {
   var pkr = this.publicKeyRing; 
 
   if (! pkr.isComplete() ) {
@@ -57,8 +57,8 @@ TxProposals.prototype.create = function(toAddress, amountSat, utxos, onePrivKey)
     .setOutputs([{address: toAddress, amountSat: amountSat}])
     ;
 
-  if (onePrivKey) {
-    b.sign([onePrivKey]);
+  if (privs) {
+    b.sign(privs);
   }
 
   var tx = b.build();
diff --git a/test/test.PrivateKey.js b/test/test.PrivateKey.js
index 30c7ddd91..d1325e971 100644
--- a/test/test.PrivateKey.js
+++ b/test/test.PrivateKey.js
@@ -47,4 +47,24 @@ describe('PrivateKey model', function() {
       }
     }
   });
+  it('should derive priv keys array', function () {
+    var w = new PrivateKey(config);
+    var wks = w.getAll(2,3); 
+    wks.length.should.equal(5);
+    for(var j=0; j<wks.length; j++) {
+      var wk = wks[j];
+      should.exist(wk);
+      var o=wk.storeObj();
+      should.exist(o);
+      should.exist(o.priv);
+      should.exist(o.pub);
+      should.exist(o.addr);
+      var a = new Address(o.addr);
+      a.isValid().should.equal(true);
+      (function() {
+        var p = new PrivateKey(o.priv)
+      }).should.not.throw();
+    }
+  });
+
 });
diff --git a/test/test.publickeyring.js b/test/test.publickeyring.js
index 9fd1d48a5..dc7dc31ec 100644
--- a/test/test.publickeyring.js
+++ b/test/test.publickeyring.js
@@ -6,10 +6,7 @@ var bitcore        = bitcore || require('bitcore');
 var Address        = bitcore.Address;
 var buffertools    = bitcore.buffertools;
 var copay          = copay || require('../copay');
-var fakeStorage    = copay.FakeStorage;
-
-var PublicKeyRing  = (typeof process.versions === 'undefined') ? copay.PublicKeyRing :
-  require('soop').load('../js/models/PublicKeyRing', {Storage: fakeStorage});
+var PublicKeyRing  = copay.PublicKeyRing;
 
 var aMasterPubKey = 'tprv8ZgxMBicQKsPdSVTiWXEqCCzqRaRr9EAQdn5UVMpT9UHX67Dh1FmzEMbavPumpAicsUm2XvC6NTdcWB89yN5DUWx5HQ7z3KByUg7Ht74VRZ';
 
@@ -72,7 +69,7 @@ describe('PublicKeyRing model', function() {
       w.addCopayer.bind(copayers[i]).should.throw();
   });
 
-  it('show be able to store and retrieve', function () {
+  it('show be able to tostore and read', function () {
     var k = createW();
     var w = k.w;
     var copayers = k.copayers;
@@ -81,12 +78,12 @@ describe('PublicKeyRing model', function() {
     for(var i=0; i<5; i++)
       w.generateAddress(false);
 
-    w.store().should.equal(true);
-    var ID = w.id;
-    delete w['id'];
-    w.store.bind().should.throw();
+    var data = w.toStore();
+    should.exist(data);
 
-    var w2 = PublicKeyRing.read(ID);
+    var ID = w.id;
+
+    var w2 = PublicKeyRing.read(data, ID, 'dummy' );
     w2.isComplete().should.equal(true);
     w2.addCopayer.bind().should.throw();
     for(var i =0; i<5; i++) 
diff --git a/test/test.txproposal.js b/test/test.txproposal.js
index 164ffbb2c..8e8e4852a 100644
--- a/test/test.txproposal.js
+++ b/test/test.txproposal.js
@@ -84,7 +84,7 @@ describe('TxProposals model', function() {
     tx.isComplete().should.equal(false);
   });
 
-  it('#create. Singing with derivate keys', function () {
+  it('#create. Signing with derivate keys', function () {
 
     var priv = new PrivateKey(config);
     var w = new TxProposals({
@@ -104,7 +104,37 @@ describe('TxProposals model', function() {
           '15q6HKjWHAksHcH91JW23BJEuzZgFwydBt', 
           bignum('123456789'), 
           unspentTest,
-          priv.get(index,isChange)
+          [priv.get(index,isChange)]
+        );
+        should.exist(tx);
+        tx.isComplete().should.equal(false);
+        tx.countInputMissingSignatures(0).should.equal(2);
+      }
+    }
+
+  });
+  it('#create. Signing with derivate keys block', function () {
+
+    var priv = new PrivateKey(config);
+
+    var privs = priv.getAll(3,3);
+
+    var w = new TxProposals({
+      networkName: config.networkName,
+      publicKeyRing: createW([priv.getBIP32()]),
+    });
+    should.exist(w);
+    w.network.name.should.equal('livenet');
+
+    for (var isChange=0; isChange<2; isChange++) {
+      for (var index=0; index<3; index++) {
+        unspentTest[0].address        = w.publicKeyRing.getAddress(index, isChange);
+        unspentTest[0].scriptPubKey   = w.publicKeyRing.getRedeemScript(index, isChange).getBuffer();
+        var tx = w.create(
+          '15q6HKjWHAksHcH91JW23BJEuzZgFwydBt', 
+          bignum('123456789'), 
+          unspentTest,
+          privs
         );
         should.exist(tx);
         tx.isComplete().should.equal(false);