Http socket support

config.json

@@ -1,5 +1,9 @@
 {
+  "transport": "ws",
   "websocket": "wss://steemd.steemit.com",
+  "uri": "https://steemd.steemit.com",
+  "dev_uri": "https://steemd.steemitdev.com",
+  "stage_uri": "https://steemd.steemitstage.com",
   "address_prefix": "STM",
   "chain_id": "0000000000000000000000000000000000000000000000000000000000000000"
 }

doc/README.md

@@ -3,6 +3,7 @@
 - [Install](#install)
 - [Browser](#browser)
 - [Config](#config)
+- [JSON-RPC](#jsonrpc)
 - [Database API](#api)
     - [Subscriptions](#subscriptions)
     - [Tags](#tags)
@@ -54,6 +55,16 @@ steem.config.set('address_prefix','STM');
 steem.config.get('chain_id');
 ```
 
+## JSON-RPC
+Here is how to activate JSON-RPC transport:
+```js
+steem.api.setOptions({
+  transport: 'http',
+  uri: 'https://steemd.steemitdev.com' // Optional, by default https://steemd.steemit.com is used.
+});
+
+```
+
 # API
 
 ## Subscriptions
@@ -517,12 +528,6 @@ steem.api.getFollowCount(account, function(err, result) {
 
 ## Broadcast API
 
-### Broadcast Transaction
-```
-steem.api.broadcastTransaction(trx, function(err, result) {
-  console.log(err, result);
-});
-```
 ### Broadcast Transaction Synchronous
 ```
 steem.api.broadcastTransactionSynchronous(trx, function(err, result) {
@@ -535,12 +540,7 @@ steem.api.broadcastBlock(b, function(err, result) {
   console.log(err, result);
 });
 ```
-### Broadcast Transaction With Callback
-```
-steem.api.broadcastTransactionWithCallback(confirmationCallback, trx, function(err, result) {
-  console.log(err, result);
-});
-```
+
 # Broadcast
 
 ### Account Create

package.json

@@ -1,6 +1,6 @@
 {
   "name": "steem",
-  "version": "0.5.20",
+  "version": "0.6.0",
   "description": "Steem.js the JavaScript API for Steem blockchain",
   "main": "lib/index.js",
   "scripts": {
@@ -45,9 +45,10 @@
     "debug": "^2.6.8",
     "detect-node": "^2.0.3",
     "ecurve": "^1.0.5",
+    "isomorphic-fetch": "^2.2.1",
     "lodash": "^4.16.4",
     "secure-random": "^1.1.1",
-    "ws": "^1.1.1"
+    "ws": "^3.0.0"
   },
   "devDependencies": {
     "babel-cli": "^6.16.0",