From 542dff70bf8fa7aaea975956a72424e0b6155e87 Mon Sep 17 00:00:00 2001
From: Oskar Hladky <oskar.hladky@bitpanda.com>
Date: Fri, 15 Dec 2017 10:39:31 +0100
Subject: [PATCH] add max request size option

---
 lib/index.js | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index c6519cf9f..197f3538d 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -27,7 +27,8 @@ var EventEmitter = require('events').EventEmitter;
  * @param {Number} options.cacheShortSeconds - The time to cache short lived cache responses.
  * @param {Number} options.cacheLongSeconds - The time to cache long lived cache responses.
  * @param {String} options.routePrefix - The URL route prefix
- * @param {String} options.translateAddresses - Translate request and output address to Copay's BCH address version (see https://support.bitpay.com/hc/en-us/articles/115004671663-BitPay-s-Adopted-Conventions-for-Bitcoin-Cash-Addresses-URIs-and-Payment-Requests) 
+ * @param {String} options.translateAddresses - Translate request and output address to Copay's BCH address version (see https://support.bitpay.com/hc/en-us/articles/115004671663-BitPay-s-Adopted-Conventions-for-Bitcoin-Cash-Addresses-URIs-and-Payment-Requests)
+ * @param {String} options.maxRequestSize - Max size of request body for body parser to handle e.g '20mb'
  */
 var InsightAPI = function(options) {
   BaseService.call(this, options);
@@ -53,6 +54,8 @@ var InsightAPI = function(options) {
   this.blockSummaryCacheSize = options.blockSummaryCacheSize || BlockController.DEFAULT_BLOCKSUMMARY_CACHE_SIZE;
   this.blockCacheSize = options.blockCacheSize || BlockController.DEFAULT_BLOCK_CACHE_SIZE;
 
+  this.maxRequestSize = options.maxRequestSize;
+
   if (!_.isUndefined(options.routePrefix)) {
     this.routePrefix = options.routePrefix;
   } else {
@@ -164,8 +167,14 @@ InsightAPI.prototype.setupRoutes = function(app) {
   //Enable compression
   app.use(compression());
 
-  //Enable urlencoded data
-  app.use(bodyParser.urlencoded({extended: true}));
+  //Set max request size default:100kb
+  if(this.maxRequestSize){
+      app.use(bodyParser.urlencoded({limit: this.maxRequestSize, extended: true}))
+  }else {
+      //Enable urlencoded data
+      app.use(bodyParser.urlencoded({extended: true}));
+  }
+
 
   //Enable CORS
   app.use(function(req, res, next) {