Merge pull request #782 from ethereum/fixEvent

prepend hex value with 0x

remix-lib/src/execution/eventsDecoder.js

@@ -73,10 +73,7 @@ class EventsDecoder {
       var topicId = log.topics[0]
       var abi = this._event(topicId.replace('0x', ''), eventsABI)
       if (abi) {
-        var topics = log.topics.map((value) => {
-          return value.indexOf('0x') === 0 ? value : '0x' + value
-        })
-        events.push({ from: log.address, topic: topicId, event: abi.event, args: abi.object.parse(topics, '0x' + log.data) })
+        events.push({ from: log.address, topic: topicId, event: abi.event, args: abi.object.parse(log.topics, log.data) })
       } else {
         events.push({ from: log.address, data: log.data, topics: log.topics })
       }

remix-lib/src/web3Provider/web3VmProvider.js

@@ -108,14 +108,14 @@ web3VmProvider.prototype.txProcessed = function (self, data) {
     var topics = []
     if (log[1].length > 0) {
       for (var k in log[1]) {
-        topics.push(log[1][k].toString('hex'))
+        topics.push('0x' + log[1][k].toString('hex'))
       }
     } else {
       topics.push('0x')
     }
     logs.push({
-      address: log[0].toString('hex'),
-      data: log[2].toString('hex'),
+      address: '0x' + log[0].toString('hex'),
+      data: '0x' + log[2].toString('hex'),
       topics: topics,
       rawVMResponse: log
     })