diff --git a/lib/model/txproposal.js b/lib/model/txproposal.js
index 3c2f51e..46a21fd 100644
--- a/lib/model/txproposal.js
+++ b/lib/model/txproposal.js
@@ -2,6 +2,7 @@
 
 var _ = require('lodash');
 var Guid = require('guid');
+var Bitcore = require('bitcore');
 
 var TxProposalAction = require('./txproposalaction');
 
@@ -38,7 +39,6 @@ TxProposal.fromObj = function (obj) {
   x.message = obj.message;
   x.changeAddress = obj.changeAddress;
   x.inputs = obj.inputs;
-  x.rawTx = obj.rawTx;
   x.requiredSignatures = obj.requiredSignatures;
   x.maxRejections = obj.maxRejections;
   x.status = obj.status;
@@ -51,6 +51,7 @@ TxProposal.fromObj = function (obj) {
   return x;
 };
 
+
 TxProposal.prototype._updateStatus = function () {
   if (this.status != 'pending') return;
 
@@ -61,6 +62,16 @@ TxProposal.prototype._updateStatus = function () {
   }
 };
 
+
+TxProposal.prototype._getBitcoreTx = function () {
+  return new Bitcore.Transaction()
+    .from(this.inputs)
+    .to(this.toAddress, this.amount)
+    .change(this.changeAddress);
+
+};
+
+
 TxProposal.prototype.addAction = function (copayerId, type, signature) {
   var action = new TxProposalAction({
     copayerId: copayerId,
@@ -71,7 +82,15 @@ TxProposal.prototype.addAction = function (copayerId, type, signature) {
   this._updateStatus();
 };
 
-TxProposal.prototype.sign = function (copayerId, signature) {
+
+TxProposal.prototype._checkSignature = function (signatures) {
+  var t = this._getBitcoreTx();
+  t.applyS
+
+};
+
+TxProposal.prototype.sign = function (copayerId, signatures) {
+  this._checkSignature(signature);
   this.addAction(copayerId, 'accept', signature);
 };
 
diff --git a/lib/server.js b/lib/server.js
index 4bf9320..bfa3f29 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -347,19 +347,6 @@ CopayServer.prototype.getBalance = function(opts, cb) {
 };
 
 
-CopayServer.prototype._createRawTx = function(txp) {
-  console.log('[server.js.320:txp:]', txp.inputs, txp.toAddress, txp.amount, txp.changeAddress); //TODO
-
-
-  var rawTx = new Bitcore.Transaction()
-    .from(txp.inputs)
-    .to(txp.toAddress, txp.amount)
-    .change(txp.changeAddress);
-
-  console.log('[server.js.324:rawTx:]', rawTx); //TODO
-  return rawTx;
-};
-
 
 CopayServer.prototype._inputSatoshis = function(i) {
   return i.amount ? Utils.strip(i.amount * 1e8) : i.satoshis;
diff --git a/test/integration.js b/test/integration.js
index c849e96..353dcc0 100644
--- a/test/integration.js
+++ b/test/integration.js
@@ -134,7 +134,7 @@ helpers.createUtxos = function(server, wallet, amounts, cb) {
           vout: Math.floor((Math.random() * 10) + 1),
           satoshis: amount,
           scriptPubKey: addresses[i].getScriptPubKey(wallet.m).toBuffer().toString('hex'),
-          address: addresses[i].address,
+          address: addresses[i++].address,
         };
       });
 
@@ -154,9 +154,9 @@ helpers.clientSign = function(tx, xpriv, n) {
 
   _.each(tx.inputs, function(i) {
     if (!derived[i.path]) {
-      privs.push(xpriv.derive(i.path).privateKey);
-      derived[i.path] = true;
-    }
+      derived[i.path] = xpriv.derive(i.path).privateKey;
+    } 
+    privs.push(derived[i.path]);
   });
 
   var t = new Bitcore.Transaction();
@@ -986,9 +986,11 @@ describe('Copay server', function() {
       }, function(err, txs) {
         var tx = txs[0];
         tx.id.should.equal(txid);
+console.log('[integration.js.988:tx:]',tx); //TODO
 
         // 
         var signatures = helpers.clientSign(tx, someXPrivKey[0], wallet.n);
+console.log('[integration.js.992:signatures:]',signatures); //TODO
         server.signTx({
           walletId: '123',
           copayerId: '1',