check if vm trace opcodes is populated

7 years ago · bd1669cc52
parent f043b20482
commit bd1669cc52
1 changed files with 3 additions and 1 deletions
--- a/remix-lib/src/web3Provider/web3VmProvider.js
+++ b/remix-lib/src/web3Provider/web3VmProvider.js
@ -97,7 +97,9 @@ web3VmProvider.prototype.txWillProcess = function (self, data) {

 web3VmProvider.prototype.txProcessed = function (self, data) {
  var lastOp = self.vmTraces[self.processingHash].structLogs[self.processingIndex - 1]
-  lastOp.error = lastOp.op !== 'RETURN' && lastOp.op !== 'STOP'
+  if (lastOp) {
+    lastOp.error = lastOp.op !== 'RETURN' && lastOp.op !== 'STOP'
+  }
  self.vmTraces[self.processingHash].gas = '0x' + data.gasUsed.toString(16)

  var logs = []