From 5c75fde169083a1b53aef5bc779746ec3b606c2e Mon Sep 17 00:00:00 2001
From: Ivan Socolsky <jungans@gmail.com>
Date: Fri, 15 Jan 2016 20:00:33 -0300
Subject: [PATCH] check new client version for paypro txs

---
 lib/server.js               | 14 ++++++++++
 test/integration/helpers.js |  2 +-
 test/integration/server.js  | 51 +++++++++++++++++++++++++++++++++++--
 3 files changed, 64 insertions(+), 3 deletions(-)

diff --git a/lib/server.js b/lib/server.js
index 68f0578..fed64fe 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -580,6 +580,14 @@ WalletService.prototype._clientSupportsTXPv3 = function() {
   return true;
 };
 
+WalletService.prototype._clientSupportsPayProRefund = function() {
+  var version = this._parseClientVersion();
+  if (!version) return false;
+  if (version.agent != 'bwc') return true;
+  if (version.major < 1 || (version.major == 1 && version.minor < 2)) return false;
+  return true;
+};
+
 WalletService._getCopayerHash = function(name, xPubKey, requestPubKey) {
   return [name, xPubKey, requestPubKey].join('|');
 };
@@ -1418,6 +1426,12 @@ WalletService.prototype.createTxLegacy = function(opts, cb) {
       if (err) return cb(err);
       if (!wallet.isComplete()) return cb(Errors.WALLET_NOT_COMPLETE);
 
+      if (opts.payProUrl) {
+        if (wallet.addressType == Constants.SCRIPT_TYPES.P2PKH && !self._clientSupportsPayProRefund()) {
+          return cb(new ClientError(Errors.codes.UPGRADE_NEEDED, 'To sign this spend proposal you need to upgrade your client app.'));
+        }
+      }
+
       var copayer = wallet.getCopayer(self.copayerId);
       var hash;
       if (!opts.type || opts.type == Model.TxProposalLegacy.Types.SIMPLE) {
diff --git a/test/integration/helpers.js b/test/integration/helpers.js
index 3aa1b13..a89cb4d 100644
--- a/test/integration/helpers.js
+++ b/test/integration/helpers.js
@@ -444,7 +444,7 @@ helpers.createProposalOpts = function(type, outputs, signingKey, moreOpts, input
   };
 
   if (moreOpts) {
-    moreOpts = _.pick(moreOpts, ['feePerKb', 'customData', 'message']);
+    moreOpts = _.pick(moreOpts, ['feePerKb', 'customData', 'message', 'payProUrl']);
     opts = _.assign(opts, moreOpts);
   }
 
diff --git a/test/integration/server.js b/test/integration/server.js
index bbc09ca..fa4c7b5 100644
--- a/test/integration/server.js
+++ b/test/integration/server.js
@@ -1952,6 +1952,7 @@ describe('Wallet service', function() {
     describe('Legacy', function() {
 
       var server, wallet;
+
       beforeEach(function(done) {
         helpers.createAndJoinWallet(2, 3, function(s, w) {
           server = s;
@@ -1964,7 +1965,7 @@ describe('Wallet service', function() {
         helpers.stubUtxos(server, wallet, [100, 200], function() {
           var txOpts = helpers.createSimpleProposalOpts('18PzpUFkFZE8zKWUPvfykkTxmB9oMR8qP7', 80, TestData.copayers[0].privKey_1H_0, {
             message: 'some message',
-            customData: 'some custom data'
+            customData: 'some custom data',
           });
           server.createTxLegacy(txOpts, function(err, tx) {
             should.not.exist(err);
@@ -4652,7 +4653,9 @@ describe('Wallet service', function() {
         }];
         var txOpts = helpers.createProposalOpts(Model.TxProposalLegacy.Types.MULTIPLEOUTPUTS, outputs, TestData.copayers[0].privKey_1H_0, {
           message: 'some message',
-          customData: { "test": true }
+          customData: {
+            "test": true
+          }
         });
         server.createTxLegacy(txOpts, function(err, tx) {
           should.not.exist(err);
@@ -5404,4 +5407,48 @@ describe('Wallet service', function() {
       });
     });
   });
+
+  describe('PayPro', function() {
+    var server, wallet;
+
+    beforeEach(function(done) {
+      helpers.createAndJoinWallet(1, 1, function(s, w) {
+        server = s;
+        wallet = w;
+        done();
+      });
+    });
+
+    it('should create a paypro tx', function(done) {
+      helpers.stubUtxos(server, wallet, [100, 200], function() {
+        var txOpts = helpers.createSimpleProposalOpts('18PzpUFkFZE8zKWUPvfykkTxmB9oMR8qP7', 80, TestData.copayers[0].privKey_1H_0, {
+          message: 'some message',
+          customData: 'some custom data',
+          payProUrl: 'http:/fakeurl.com',
+        });
+        server.createTxLegacy(txOpts, function(err, tx) {
+          should.not.exist(err);
+          should.exist(tx);
+          tx.payProUrl.should.equal('http:/fakeurl.com');
+          done();
+        });
+      });
+    });
+    it('should fail to create a paypro tx for a P2PKH wallet from an old client (bwc < 1.2.0)', function(done) {
+      helpers.stubUtxos(server, wallet, [100, 200], function() {
+        var txOpts = helpers.createSimpleProposalOpts('18PzpUFkFZE8zKWUPvfykkTxmB9oMR8qP7', 80, TestData.copayers[0].privKey_1H_0, {
+          message: 'some message',
+          customData: 'some custom data',
+          payProUrl: 'http:/fakeurl.com',
+        });
+        server._setClientVersion('bwc-1.1.99');
+        server.createTxLegacy(txOpts, function(err, tx) {
+          should.exist(err);
+          should.not.exist(tx);
+          err.code.should.equal('UPGRADE_NEEDED');
+          done();
+        });
+      });
+    });
+  });
 });