use blocktime if present

lib/server.js

@@ -1701,11 +1701,15 @@ WalletService.prototype._normalizeTxHistory = function(txs) {
       }
     });
 
+    var t = tx.time; // blocktime
+    if (!t || _.isNaN(t)) t = tx.firstSeenTs;
+    if (!t || _.isNaN(t)) t = now;
+
     return {
       txid: tx.txid,
       confirmations: tx.confirmations,
       fees: parseInt((tx.fees * 1e8).toFixed(0)),
-      time: tx.firstSeenTs || (!_.isNaN(tx.time) ? tx.time : now) || now,
+      time: t,
       inputs: inputs,
       outputs: outputs,
     };