getlasttxs api no longer allows query string parameters

app.js

@@ -205,7 +205,39 @@ app.use('/ext/getbasicstats', function(req,res) {
 });
 
 app.use('/ext/getlasttxs/:min', function(req, res) {
-  db.get_last_txs(req, function(data, count) {
+  var min = req.params.min, start, length;
+  // split url suffix by forward slash and remove blank entries
+  var split = req.url.split('/').filter(function(v) { return v; });
+  // determine how many parameters were passed
+  switch (split.length) {
+    case 2:
+      // capture start and length
+      start = split[0];
+      length = split[1];
+      break;
+    default:
+      if (split.length == 1) {
+        // capture start
+        start = split[0];
+      } else if (split.length > 2) {
+        // capture start and length
+        start = split[0];
+        length = split[1];
+      }
+      break;
+  }
+
+  // fix parameters
+  if (typeof length === 'undefined' || isNaN(length) || length > settings.index.last_txs)
+    length = settings.index.last_txs;
+  if (typeof start === 'undefined' || isNaN(start) || start < 0)
+    start = 0;
+  if (typeof min === 'undefined' || isNaN(min ) || min < 0)
+    min  = 0;
+  else
+    min  = (min * 100000000);
+
+  db.get_last_txs(start, length, min, function(data, count) {
     res.json({"data":data, "recordsTotal": count, "recordsFiltered": count});
   });
 });

lib/database.js

@@ -395,17 +395,8 @@ module.exports = {
     });
   },
 
-  get_last_txs: function(req, cb) {
-    if (typeof req.query.length === 'undefined' || isNaN(req.query.length) || req.query.length > settings.index.last_txs)
-      req.query.length = settings.index.last_txs;
-    if (typeof req.query.start === 'undefined' || isNaN(req.query.start) || req.query.start < 0)
-      req.query.start = 0;
-    if (typeof req.params.min === 'undefined' || isNaN(req.params.min ) || req.params.min  < 0)
-      req.params.min  = 0;
-    else
-      req.params.min  = (req.params.min * 100000000);
-
-    this.get_last_txs_ajax(req.query.start, req.query.length, req.params.min,function(txs, count) {
+  get_last_txs: function(start, length, min, cb) {
+    this.get_last_txs_ajax(start, length, min, function(txs, count) {
       var data = [];
       for(i=0; i<txs.length; i++) {
         var row = [];

views/index.pug

@@ -31,7 +31,7 @@ block content
         ajax: {
           url: '/ext/getlasttxs/0',
           beforeSend: function(jqXHR, settings) {
-            settings.url = fixDatatableQuerystring(settings.url, 5);
+            settings.url = settings.url.substring(0, settings.url.indexOf('?')) + '/' + getParameterByName('start', settings.url) + '/' + getParameterByName('length', settings.url);
             return true;
           }
         },

views/info.pug

@@ -181,12 +181,13 @@ block content
               a(href='/ext/getbalance/' + hashes.address) #{address}/ext/getbalance/#{hashes.address}
           li
             p
-              div.font-weight-bold getlasttxs (/ext/getlasttxs/min)
+              div.font-weight-bold getlasttxs (/ext/getlasttxs/min/start/length)
               div
-                em Returns last transactions greater than [min]
+                em Returns last [length] transactions greater than [min], starting from offset [start]
               div
                 em Note: returned values are in satoshis
-              a(href='/ext/getlasttxs/100') #{address}/ext/getlasttxs/100
+              div
+                a(href='/ext/getlasttxs/100/0/100') #{address}/ext/getlasttxs/100/0/100
           li
             p
               div.font-weight-bold getcurrentprice

views/layout.pug

@@ -27,6 +27,15 @@ html(lang='en')
     if active == 'reward'
       script(type='text/javascript', src='/js/Chart.min.js')
     script.
+      /* Special thanks to the stackoverflow community for the getParameterByName function: https://stackoverflow.com/a/901144/3038650 */
+      function getParameterByName(name, url = window.location.href) {
+        name = name.replace(/[\[\]]/g, '\\$&');
+        var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'),
+            results = regex.exec(url);
+        if (!results) return null;
+        if (!results[2]) return '';
+        return decodeURIComponent(results[2].replace(/\+/g, ' '));
+      }
       /* Special thanks to bobince for the removeURLParameter function: https://stackoverflow.com/a/1634841/3038650 */
       function removeURLParameter(url, parameter) {
         //prefer to use l.search if you have a location/link object

views/movement.pug

@@ -32,7 +32,7 @@ block content
         ajax: {
           url: '/ext/getlasttxs/#{min_amount}',
           beforeSend: function(jqXHR, settings) {
-            settings.url = fixDatatableQuerystring(settings.url, 3);
+            settings.url = settings.url.substring(0, settings.url.indexOf('?')) + '/' + getParameterByName('start', settings.url) + '/' + getParameterByName('length', settings.url);
             return true;
           }
         },