added pagination to addrs/txs

app/controllers/addresses.js

@@ -94,8 +94,23 @@ exports.multiutxo = function(req, res, next) {
 
 exports.multitxs = function(req, res, next) {
 
-  function processTxs(txs, cb) {
-    txs = _.uniq(_.flatten(txs));
+  function processTxs(txs, from, to, cb) {
+    txs = _.uniq(_.flatten(txs), 'txid');
+
+    var nbTxs = txs.length;
+    var paginated = !_.isUndefined(from) || !_.isUndefined(to);
+
+    if (paginated) {
+      txs.sort(function(a, b) {
+        return (b.ts || b.ts) - (a.ts || a.ts);
+      });
+      var start = Math.max(from || 0, 0);
+      var end = Math.min(to || txs.length, txs.length);
+      txs = txs.slice(start, end);
+    }
+
+    txs = _.pluck(txs, 'txid');
+
     var transactions = [];
     async.each(txs, function (tx, callback) {
       tDb.fromIdWithInfo(tx, function(err, tx) {
@@ -107,10 +122,22 @@ exports.multitxs = function(req, res, next) {
       });
     }, function (err) {
       if (err) return cb(err);
+
+      if (paginated) {
+        transactions = {
+          nbItems: nbTxs,
+          from: +from,
+          to: +to,
+          data: transactions,
+        };
+      }
       return cb(null, transactions);
     });
   };
 
+  var from = req.query.from;
+  var to = req.query.to;
+
   var as = getAddrs(req, res, next);
   if (as) {
     var txs = [];
@@ -119,10 +146,10 @@ exports.multitxs = function(req, res, next) {
         if (err) callback(err);
         txs = txs.concat(a.transactions);
         callback();
-      }, {ignoreCache: req.param('noCache')});
+      }, {ignoreCache: req.param('noCache'), includeTxInfo: true});
     }, function(err) { // finished callback
       if (err) return common.handleErrors(err, res);
-      processTxs(txs, function (err, transactions) {
+      processTxs(txs, from, to, function (err, transactions) {
         if (err) return common.handleErrors(err, res);
         res.jsonp(transactions);
       });

app/models/Address.js

@@ -93,25 +93,31 @@ Address.prototype.getObj = function() {
   };
 };
 
-Address.prototype._addTxItem = function(txItem, txList) {
+Address.prototype._addTxItem = function(txItem, txList, includeInfo) {
+  function addTx(data) {
+    if (!txList) return;
+    if (includeInfo) {
+      txList.push(data);
+    } else {
+      txList.push(data.txid);
+    }
+  };
+
   var add=0, addSpend=0;
   var v = txItem.value_sat;
   var seen = this.seen;
 
   // Founding tx
-  if ( !seen[txItem.txid] ) {
-    seen[txItem.txid]=1;
-    add=1;
+  if (!seen[txItem.txid]) {
+    seen[txItem.txid] = 1;
+    add = 1;
 
-    if (txList)
-      txList.push(txItem.txid);
+    addTx({ txid: txItem.txid, ts: txItem.ts });
   }
 
   // Spent tx
   if (txItem.spentTxId && !seen[txItem.spentTxId]  ) {
-    if (txList) {
-      txList.push(txItem.spentTxId);
-    }
+    addTx({ txid: txItem.spentTxId, ts: txItem.spentTs });
     seen[txItem.spentTxId]=1;
     addSpend=1;
   }
@@ -143,6 +149,7 @@ Address.prototype._addTxItem = function(txItem, txList) {
 // opts are
 // .onlyUnspent
 // .txLimit     (=0 -> no txs, => -1 no limit)
+// .includeTxInfo
 // 
 Address.prototype.update = function(next, opts) {
   var self = this;
@@ -188,7 +195,7 @@ Address.prototype.update = function(next, opts) {
         }
         else {
           txOut.forEach(function(txItem){
-            self._addTxItem(txItem, txList);
+            self._addTxItem(txItem, txList, opts.includeTxInfo);
           });
           if (txList) 
             self.transactions = txList;