Swapped to old JS syntax to work on older node.

baronpay · Sep 8, 2016 · 16d811f · 16d811f
1 parent 12dd984
commit 16d811f
Showing 1 changed file with 30 additions and 25 deletions.
diff --git a/lib/bcrpc.js b/lib/bcrpc.js
@@ -2,14 +2,14 @@
  * RPC agent, based on bitcore's RpcClient.
  */
 
-const http = require('http');
-const https = require('https');
+var http = require('http');
+var https = require('https');
 
 /**
  * Source: https://en.bitcoin.it/wiki/Original_Bitcoin_client/API_calls_list
  * @type {Object}
  */
-const BC_RPC = {
+var BC_RPC = {
   addMultiSigAddress: [],
   addNode: [],
   backupWallet: [],
@@ -78,9 +78,12 @@ const BC_RPC = {
   walletPassphraseChange: [],
 };
 
-const slice = (arr, start, end) => Array.prototype.slice.call(arr, start, end);
+function slice(arr, start, end) {
+  return Array.prototype.slice.call(arr, start, end);
+}
 
-function RpcAgent(opts = {}) {
+function RpcAgent(opts) {
+  opts = opts || {};
   this.host = opts.host || '127.0.0.1';
   this.port = opts.port || 8332;
   this.user = opts.user || 'user';
@@ -89,21 +92,21 @@ function RpcAgent(opts = {}) {
 }
 
 function rpc(request, callback) {
-  const requestSerialized = JSON.stringify(request);
-  const auth = new Buffer(`${this.user}:${this.pass}`).toString('base64');
-  const options = {
+  var requestSerialized = JSON.stringify(request);
+  var auth = new Buffer(this.user + ':' + this.pass).toString('base64');
+  var options = {
     host: this.host,
     port: this.port,
     path: '/',
     method: 'POST',
   };
-  let err = null;
-  const req = this.prot.request(options, (res) => {
-    let buf = '';
-    res.on('data', (data) => {
+  var err = null;
+  var req = this.prot.request(options, function(res) {
+    var buf = '';
+    res.on('data', function(data) {
       buf += data;
     });
-    res.on('end', () => {
+    res.on('end', function() {
       if (res.statusCode === 401) {
         return callback(new Error('bitcoin JSON-RPC connection rejected: 401 unauthorized'));
       }
@@ -113,7 +116,7 @@ function rpc(request, callback) {
       if (err) {
         return callback(err);
       }
-      let bufDeserialized;
+      var bufDeserialized;
       try {
         bufDeserialized = JSON.parse(buf);
       } catch (e) {
@@ -122,26 +125,28 @@ function rpc(request, callback) {
       return callback(bufDeserialized.error, bufDeserialized);
     });
   });
-  req.on('error', (e) => {
-    err = new Error(`Could not connect to bitcoin via RPC at \
-host: ${this.host} port: ${this.port} Error: ${e.message}`);
+  req.on('error', function(e) {
+    err = new Error('Could not connect to bitcoin via RPC at host: ' + this.host + ' port: ' + this.port + ' Error: ' + e.message);
     callback(err);
   });
 
   req.setHeader('Content-Length', requestSerialized.length);
   req.setHeader('Content-Type', 'application/json');
-  req.setHeader('Authorization', `Basic ${auth}`);
+  req.setHeader('Authorization', 'Basic ' + auth);
   req.write(requestSerialized);
   req.end();
 }
 
-for (const cmd of Object.keys(BC_RPC)) {
-  RpcAgent.prototype[cmd] = function rpccmd(...args) {
-    rpc.call(this, {
-      method: cmd.toLowerCase(),
-      params: slice(args, 0, args.length - 1),
-    }, args[args.length - 1]);
-  };
+for (var cmd in BC_RPC) {
+  RpcAgent.prototype[cmd] = (function(cmd) {
+    return function rpccmd() {
+      var args = arguments;
+      rpc.call(this, {
+        method: cmd.toLowerCase(),
+        params: slice(args, 0, args.length - 1),
+      }, args[args.length - 1]);
+    };
+  })(cmd);
 }
 
 module.exports = RpcAgent;