reset cache by network

lib/blockchainmonitor.js

@@ -205,6 +205,7 @@ BlockchainMonitor.prototype._handleNewBlock = function(network, hash) {
     walletId: network, // use network name as wallet id for global notifications
     data: {
       hash: hash,
+      network: network,
     },
   });
 

lib/server.js

@@ -157,7 +157,8 @@ WalletService.handleIncomingNotification = function(notification, cb) {
   cb = cb || function() {};
 
   if (!notification || notification.type != 'NewBlock') return cb();
-  WalletService._clearBlockchainHeightCache();
+
+  WalletService._clearBlockchainHeightCache(notification.data.network);
   return cb();
 };
 
@@ -2458,10 +2459,13 @@ WalletService._initBlockchainHeightCache = function() {
   };
 };
 
-WalletService._clearBlockchainHeightCache = function() {
+WalletService._clearBlockchainHeightCache = function(network) {
   WalletService._initBlockchainHeightCache();
-  WalletService._cachedBlockheight.livenet.current = null;
-  WalletService._cachedBlockheight.testnet.current = null;
+  if (!_.contains(['livenet', 'testnet'], network)) {
+    log.error('Incorrect network in new block: ' + network);
+    return;
+  }
+  WalletService._cachedBlockheight[network].current = null;
 };
 
 WalletService.prototype._getBlockchainHeight = function(network, cb) {