add rebroadcast test

js/models/blockchain/Insight.js

@@ -2,6 +2,7 @@
 
 var imports = require('soop').imports();
 var bitcore = require('bitcore');
+var coinUtil = bitcore.util;
 var preconditions = require('preconditions').singleton();
 
 var http;
@@ -39,9 +40,9 @@ function _asyncForEach(array, fn, callback) {
 
 function removeRepeatedElements(ar) {
   var ya = false,
-    v = "",
-    aux = [].concat(ar),
-    r = Array();
+  v = "",
+  aux = [].concat(ar),
+  r = Array();
   for (var i in aux) { // 
     v = aux[i];
     ya = false;
@@ -78,6 +79,25 @@ Insight.prototype._getOptions = function(method, path, data) {
   };
 };
 
+
+// This is vulneable to txid maneability
+// TODO: if ret = false,
+// check output address from similar transactions.
+//
+Insight.prototype.checkSentTx = function(tx, cb) {
+  var hash = coinUtil.formatHashFull(tx.getHash());
+  var options = this._getOptions('GET', '/api/tx/' + hash);
+
+  this._request(options, function(err, res) {
+    if (err) return cb(err);
+    var ret = false;
+    if (res && res.txid === hash) {
+      ret = hash;
+    }
+    return cb(err, ret);
+  });
+};
+
 Insight.prototype.getTransactions = function(addresses, cb) {
   preconditions.shouldBeArray(addresses);
   preconditions.shouldBeFunction(cb);
@@ -164,8 +184,8 @@ Insight.prototype.checkActivity = function(addresses, cb) {
     var getOutputs = function(t) {
       return flatArray(
         t.vout.map(function(vout) {
-          return vout.scriptPubKey.addresses;
-        })
+        return vout.scriptPubKey.addresses;
+      })
       );
     };