test

lib/errors/errordefinitions.js

@@ -17,6 +17,7 @@ var errors = {
   INVALID_ADDRESS: 'Invalid address',
   KEY_IN_COPAYER: 'Key already registered',
   LOCKED_FUNDS: 'Funds are locked by pending transaction proposals',
+  MAIN_ADDRESS_GAP_REACHED: 'Maximum number of consecutive addresses without activity reached',
   NOT_AUTHORIZED: 'Not authorized',
   TOO_MANY_KEYS: 'Too many keys registered',
   TX_ALREADY_BROADCASTED: 'The transaction proposal is already broadcasted',

lib/server.js

@@ -63,9 +63,11 @@ WalletService.BACKOFF_OFFSET = 3;
 // Time a copayer need to wait to create a new TX after her tx previous proposal we rejected. (incremental). in Minutes.
 WalletService.BACKOFF_TIME = 2;
 
+WalletService.MAX_MAIN_ADDRESS_GAP = 20;
+
 // Fund scanning parameters
 WalletService.SCAN_CONFIG = {
-  maxGap: 20,
+  maxGap: WalletService.MAX_MAIN_ADDRESS_GAP,
 };
 
 WalletService.FEE_LEVELS = [{

test/integration/server.js

@@ -1667,6 +1667,32 @@ describe('Wallet service', function() {
           });
         });
       });
+
+      it.only('should fail to create more consecutive addresses with no activity than allowed', function(done) {
+        var MAX_MAIN_ADDRESS_GAP_old = WalletService.MAX_MAIN_ADDRESS_GAP;
+        var n = WalletService.MAX_MAIN_ADDRESS_GAP = 2;
+        helpers.stubAddressActivity([]);
+        async.map(_.range(n), function(i, next) {
+          server.createAddress({}, next);
+        }, function(err, addresses) {
+          addresses.length.should.equal(n);
+
+          server.createAddress({}, function(err, address) {
+            should.exist(err);
+            should.not.exist(address);
+            err.code.should.equal('MAIN_ADDRESS_GAP_REACHED');
+            server.createAddress({
+              ignoreMaxGap: true
+            }, function(err, address) {
+              should.not.exist(err);
+              should.exist(address);
+              address.path.should.equal('m/0/' + n);
+              WalletService.MAX_MAIN_ADDRESS_GAP = MAX_MAIN_ADDRESS_GAP_old;
+              done();
+            });
+          });
+        });
+      });
     });
 
     describe('1-of-1 (BIP44 & P2PKH)', function() {