From 46b1048d63832a408b91d236a709f99e3752f4d3 Mon Sep 17 00:00:00 2001
From: Karl Ranna <karl@karlranna.com>
Date: Wed, 17 Jul 2019 07:43:21 +0000
Subject: [PATCH] feat(raiden-resolver): add configuration option for listening
 interface

---
 bin/xud                      | 4 ++++
 lib/Config.ts                | 3 ++-
 lib/Xud.ts                   | 5 ++++-
 lib/http/HttpServer.ts       | 6 +++---
 sample-xud.conf              | 4 ++++
 test/unit/HttpServer.spec.ts | 2 +-
 6 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/bin/xud b/bin/xud
index 6cc32be29..4be687dcc 100755
--- a/bin/xud
+++ b/bin/xud
@@ -76,6 +76,10 @@ const { argv } = require('yargs')
       describe: 'Port to listen for http requests',
       type: 'number',
     },
+    'http.host': {
+      describe: 'Host of the http server',
+      type: 'string',
+    },
     'lnd.[currency].certpath': {
       describe: 'Path to the SSL certificate for lnd',
       type: 'string',
diff --git a/lib/Config.ts b/lib/Config.ts
index d6ad7771c..0c0a8f859 100644
--- a/lib/Config.ts
+++ b/lib/Config.ts
@@ -18,7 +18,7 @@ class Config {
   public logdateformat: string;
   public network: XuNetwork;
   public rpc: { disable: boolean, host: string, port: number };
-  public http: { port: number };
+  public http: { host: string, port: number };
   public lnd: { [currency: string]: LndClientConfig | undefined } = {};
   public raiden: RaidenClientConfig;
   public orderthresholds: OrderBookThresholds;
@@ -89,6 +89,7 @@ class Config {
       port: 8886,
     };
     this.http = {
+      host: 'localhost',
       port: 8887,
     };
     this.webproxy = {
diff --git a/lib/Xud.ts b/lib/Xud.ts
index c89f8e069..fe693bb6f 100644
--- a/lib/Xud.ts
+++ b/lib/Xud.ts
@@ -145,7 +145,10 @@ class Xud extends EventEmitter {
 
       if (!this.swapClientManager.raidenClient.isDisabled()) {
         this.httpServer = new HttpServer(loggers.http, this.service);
-        await this.httpServer.listen(this.config.http.port);
+        await this.httpServer.listen(
+          this.config.http.port,
+          this.config.http.host,
+        );
       }
 
       // start rpc server last
diff --git a/lib/http/HttpServer.ts b/lib/http/HttpServer.ts
index d104356e7..77648c287 100644
--- a/lib/http/HttpServer.ts
+++ b/lib/http/HttpServer.ts
@@ -83,14 +83,14 @@ class HttpServer {
   /**
    * Starts the server and begins listening on the provided port.
    */
-  public listen = async (port: number) => {
+  public listen = async (port: number, host: string) => {
     return new Promise<void>((resolve, reject) => {
       const listenErrHandler = (err: Error) => {
         reject(err);
       };
 
-      this.server.listen(port, '127.0.0.1').once('listening', () => {
-        this.logger.info(`http server listening on 127.0.0.1:${port}`);
+      this.server.listen(port, host).once('listening', () => {
+        this.logger.info(`http server listening on ${host}:${port}`);
         this.server.removeListener('error', listenErrHandler);
         resolve();
       }).on('error', listenErrHandler);
diff --git a/sample-xud.conf b/sample-xud.conf
index 0eccfbe25..0e75a4a60 100644
--- a/sample-xud.conf
+++ b/sample-xud.conf
@@ -39,6 +39,7 @@ nomatching = false
 nosanityswaps = true
 
 [http]
+host = "localhost"
 port = 8887
 
 [lnd.BTC]
@@ -55,6 +56,9 @@ host = "localhost"
 nomacaroons = false
 port = 10010
 
+[orderthresholds]
+minQuantity = 0
+
 [p2p]
 addresses = []
 detectexternalip = false
diff --git a/test/unit/HttpServer.spec.ts b/test/unit/HttpServer.spec.ts
index b2b8efdaf..c3f3dcebe 100644
--- a/test/unit/HttpServer.spec.ts
+++ b/test/unit/HttpServer.spec.ts
@@ -34,7 +34,7 @@ describe('HttpServer', () => {
 
   before(async () => {
     port = await getUnusedPort();
-    await httpServer.listen(port);
+    await httpServer.listen(port, 'localhost');
   });
 
   it('should receive and parse a raiden resolve request', (done) => {