Merge pull request #363 from isocolsky/dry_join

Dry join

lib/server.js

@@ -423,6 +423,11 @@ WalletService.prototype._addCopayerToWallet = function(wallet, opts, cb) {
     if (err) return cb(err);
     if (res) return cb(Errors.COPAYER_REGISTERED);
 
+    if (opts.dryRun) return cb(null, {
+      copayerId: null,
+      wallet: wallet
+    });
+
     wallet.addCopayer(copayer);
     self.storage.storeWalletAndUpdateCopayersLookup(wallet, function(err) {
       if (err) return cb(err);

package.json

@@ -2,7 +2,7 @@
   "name": "bitcore-wallet-service",
   "description": "A service for Mutisig HD Bitcoin Wallets",
   "author": "BitPay Inc",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "keywords": [
     "bitcoin",
     "copay",

test/integration/server.js

@@ -1078,6 +1078,32 @@ describe('Wallet service', function() {
       });
     });
 
+    it('should be able to get wallet info without actually joining', function(done) {
+      var copayerOpts = helpers.getSignedCopayerOpts({
+        walletId: walletId,
+        name: 'me',
+        xPubKey: TestData.copayers[0].xPubKey_44H_0H_0H,
+        requestPubKey: TestData.copayers[0].pubKey_1H_0,
+        customData: 'dummy custom data',
+        dryRun: true,
+      });
+      server.joinWallet(copayerOpts, function(err, result) {
+        should.not.exist(err);
+        should.exist(result);
+        should.not.exist(result.copayerId);
+        result.wallet.id.should.equal(walletId);
+        result.wallet.m.should.equal(1);
+        result.wallet.n.should.equal(2);
+        result.wallet.copayers.should.be.empty;
+        server.storage.fetchWallet(walletId, function(err, wallet) {
+          should.not.exist(err);
+          wallet.id.should.equal(walletId);
+          wallet.copayers.should.be.empty;
+          done();
+        });
+      });
+    });
+
     it('should fail to join two wallets with same xPubKey', function(done) {
       var copayerOpts = helpers.getSignedCopayerOpts({
         walletId: walletId,