use normalizeHexAddress

remix-lib/src/helpers/traceHelper.js

@@ -8,7 +8,7 @@ module.exports = {
       return this.contractCreationToken(vmTraceIndex)
     } else if (this.isCallInstruction(step)) {
       var stack = step.stack // callcode, delegatecall, ...
-      return ui.normalizeHex(stack[stack.length - 2])
+      return ui.normalizeHexAddress(stack[stack.length - 2])
     }
     return undefined
   },

remix-lib/src/helpers/uiHelper.js

@@ -68,6 +68,18 @@ module.exports = {
     return '0x' + hex
   },
 
+  normalizeHexAddress: function (hex) {
+    if (hex.indexOf('0x') === 0) hex = hex.replace('0x', '')
+    if (hex.length >= 40) {
+      var reg = /(.{40})$/.exec(hex)
+      if (reg) {
+        return '0x' + reg[0]
+      }
+    } else {
+      return '0x' + (new Array(40 - hex.length + 1).join('0')) + hex
+    }
+  },
+
   runInBrowser: function () {
     return typeof window !== 'undefined'
   }

remix-lib/src/web3Provider/web3VmProvider.js

@@ -168,7 +168,7 @@ web3VmProvider.prototype.pushTrace = function (self, data) {
       this.processingAddress = traceHelper.contractCreationToken(this.processingIndex)
       this.storageCache[this.processingHash][this.processingAddress] = {}
     } else {
-      this.processingAddress = uiutil.normalizeHex(step.stack[step.stack.length - 2])
+      this.processingAddress = uiutil.normalizeHexAddress(step.stack[step.stack.length - 2])
       if (!self.storageCache[self.processingHash][this.processingAddress]) {
         self.vm.stateManager.dumpStorage(this.processingAddress, function (storage) {
           self.storageCache[self.processingHash][self.processingAddress] = storage