add tests

npm-debug.log.2094563598

+0 info it worked if it ends with ok
+1 verbose cli [ '/usr/bin/nodejs', '/usr/bin/npm', 'config', 'get', 'prefix' ]
+2 info using npm@3.8.6
+3 info using node@v5.12.0
+4 verbose exit [ 0, true ]
+5 verbose stack Error: write EPIPE
+5 verbose stack     at exports._errnoException (util.js:893:11)
+5 verbose stack     at WriteWrap.afterWrite (net.js:783:14)
+6 verbose cwd /home/yann/Ethereum/remix/fea1/remix
+7 error Linux 3.16.0-30-generic
+8 error argv "/usr/bin/nodejs" "/usr/bin/npm" "config" "get" "prefix"
+9 error node v5.12.0
+10 error npm  v3.8.6
+11 error code EPIPE
+12 error errno EPIPE
+13 error syscall write
+14 error write EPIPE
+15 error If you need help, you may report this error at:
+15 error     <https://github.com/npm/npm/issues>
+16 verbose exit [ 1, true ]

src/trace/traceAnalyser.js

@@ -40,6 +40,7 @@ TraceAnalyser.prototype.buildReturnValues = function (index, step) {
     var offset = 2 * parseInt(step.stack[step.stack.length - 1], 16)
     var size = 2 * parseInt(step.stack[step.stack.length - 2], 16)
     var memory = this.trace[this.traceCache.memoryChanges[this.traceCache.memoryChanges.length - 1]].memory
+    console.log('push returnValue ' + index)
     this.traceCache.pushReturnValue(index, '0x' + memory.join('').substr(offset, size))
   }
 }

src/trace/traceManager.js

@@ -109,8 +109,9 @@ TraceManager.prototype.getStorageAt = function (stepIndex, tx, callback, address
 TraceManager.prototype.getAddresses = function (callback) {
   var addresses = [ this.tx.to ]
   for (var k in this.traceCache.calls) {
-    if (this.traceCache.calls[k].address) {
-      addresses.push(this.traceCache.calls[k].address)
+    var address = this.traceCache.calls[k].address
+    if (address && addresses.join('').indexOf(address) === -1) {
+      addresses.push(address)
     }
   }
   callback(null, addresses)

test/traceManager.js

@@ -297,4 +297,27 @@ tape('TraceManager', function (t) {
     st.ok(result === 63)
     st.end()
   })
+
+  t.test('TraceManager.getAddresses', function (st) {
+    traceManager.getAddresses(function (error, result) {
+      if (error) {
+        st.fail(error)
+      } else {
+        st.ok(result[0] === '0x0d3a18d64dfe4f927832ab58d6451cecc4e517c5')
+        st.ok(result[1] === '(Contract Creation - Step 63)')
+        st.end()
+      }
+    })
+  })
+
+  t.test('TraceManager.getReturnValue', function (st) {
+    traceManager.getReturnValue(108, function (error, result) {
+      if (error) {
+        st.fail(error)
+      } else {
+        st.ok(result === '0x60606040526008565b00')
+        st.end()
+      }
+    })
+  })
 })