Whispers pane.

alethzero/Main.ui

@@ -1720,6 +1720,43 @@ font-size: 14pt</string>
     </layout>
    </widget>
   </widget>
+  <widget class="QDockWidget" name="dockWidget_15">
+   <property name="features">
+    <set>QDockWidget::DockWidgetFeatureMask</set>
+   </property>
+   <property name="windowTitle">
+    <string>Active Whispers</string>
+   </property>
+   <attribute name="dockWidgetArea">
+    <number>2</number>
+   </attribute>
+   <widget class="QWidget" name="dockWidgetContents_15">
+    <layout class="QHBoxLayout" name="horizontalLayout_11">
+     <property name="spacing">
+      <number>0</number>
+     </property>
+     <property name="leftMargin">
+      <number>0</number>
+     </property>
+     <property name="topMargin">
+      <number>0</number>
+     </property>
+     <property name="rightMargin">
+      <number>0</number>
+     </property>
+     <property name="bottomMargin">
+      <number>0</number>
+     </property>
+     <item>
+      <widget class="QListWidget" name="whispers">
+       <property name="frameShape">
+        <enum>QFrame::NoFrame</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+  </widget>
   <action name="quit">
    <property name="text">
     <string>&amp;Quit</string>

alethzero/MainWin.cpp

@@ -763,7 +763,6 @@ void Main::refreshNetwork()
 {
 	auto ps = web3()->peers();
 
-
 	ui->peerCount->setText(QString::fromStdString(toString(ps.size())) + " peer(s)");
 	ui->peers->clear();
 	ui->nodes->clear();
@@ -1006,6 +1005,7 @@ void Main::timerEvent(QTimerEvent*)
 	{
 		interval = 0;
 		refreshNetwork();
+		refreshWhispers();
 	}
 	else
 		interval += 100;
@@ -2108,6 +2108,33 @@ void Main::refreshWhisper()
 		ui->shhFrom->addItem(QString::fromStdString(toHex(i.first.ref())));
 }
 
+void Main::refreshWhispers()
+{
+	ui->whispers->clear();
+	for (auto const& w: whisper()->all())
+	{
+		shh::Envelope const& e = w.second;
+		shh::Message m;
+		for (pair<Public, Secret> const& i: m_whisper->ids())
+			if (!!(m = e.open(i.second)))
+				break;
+		if (!m)
+			m = e.open();
+
+		QString msg;
+		if (m.from())
+			// Good message.
+			msg = QString("%1->%2: %3").arg(m.from() ? m.from().abridged().c_str() : "?").arg(m.to() ? m.to().abridged().c_str() : "?").arg(toHex(m.payload()).c_str());
+		else if (m)
+			// Maybe message.
+			msg = QString("%1->%2: %3 (?)").arg(m.from() ? m.from().abridged().c_str() : "?").arg(m.to() ? m.to().abridged().c_str() : "?").arg(toHex(m.payload()).c_str());
+
+		time_t ex = e.expiry();
+		QString item = QString("[%1 - %2s] *%3 %5 %4").arg(asctime(localtime(&ex))).arg(e.ttl()).arg(e.workProved()).arg(toString(e.topic()).c_str()).arg(msg);
+		ui->whispers->addItem(item);
+	}
+}
+
 // extra bits needed to link on VS
 #ifdef _MSC_VER
 

alethzero/MainWin.h

@@ -206,6 +206,7 @@ private:
 
 	void refreshNetwork();
 	void refreshMining();
+	void refreshWhispers();
 
 	void refreshAll();
 	void refreshPending();

libdevcrypto/EC.cpp

@@ -52,7 +52,7 @@ void dev::crypto::encrypt(Public const& _key, bytes& io_cipher)
 	c.resize(e.CiphertextLength(plen));
 	// todo: use StringSource with _plain as input and output.
 	e.Encrypt(pp::PRNG(), io_cipher.data(), plen, c.data());
-	bzero(io_cipher.data(), io_cipher.size());
+	memset(io_cipher.data(), 0, io_cipher.size());
 	io_cipher = std::move(c);
 }
 

libwhisper/Message.cpp

@@ -34,7 +34,7 @@ Message::Message(Envelope const& _e, Secret const& _s)
 		if (_s)
 			if (!decrypt(_s, &(_e.data()), b))
 				return;
-		populate(_s ? b : _e.data());
+		if (populate(_s ? b : _e.data()))
 			m_to = KeyPair(_s).pub();
 	}
 	catch (...)	// Invalid secret? TODO: replace ... with InvalidSecret
@@ -42,10 +42,10 @@ Message::Message(Envelope const& _e, Secret const& _s)
 	}
 }
 
-void Message::populate(bytes const& _data)
+bool Message::populate(bytes const& _data)
 {
 	if (!_data.size())
-		return;
+		return false;
 
 	byte flags = _data[0];
 	if (!!(flags & ContainsSignature) && _data.size() > sizeof(Signature) + 1)	// has a signature
@@ -54,10 +54,13 @@ void Message::populate(bytes const& _data)
 		h256 h = sha3(payload);
 		Signature const& sig = *(Signature const*)&(_data[1 + payload.size()]);
 		m_from = recover(sig, h);
+		if (!m_from)
+			return false;
 		m_payload = payload.toBytes();
 	}
 	else
 		m_payload = bytesConstRef(&_data).cropped(1).toBytes();
+	return true;
 }
 
 Envelope Message::seal(Secret _from, Topic const& _topic, unsigned _ttl, unsigned _workToProve) const

libwhisper/Message.h

@@ -116,7 +116,7 @@ public:
 	Envelope sealTo(Secret _from, Public _to, Topic const& _topic, unsigned _workToProve = 50, unsigned _ttl = 50) { m_to = _to; return seal(_from, _topic, _workToProve, _ttl); }
 
 private:
-	void populate(bytes const& _data);
+	bool populate(bytes const& _data);
 
 	Public m_from;
 	Public m_to;

libwhisper/WhisperHost.h

@@ -60,6 +60,8 @@ public:
 
 	virtual Envelope envelope(h256 _m) const override { try { dev::ReadGuard l(x_messages); return m_messages.at(_m); } catch (...) { return Envelope(); } }
 
+	std::map<h256, Envelope> all() const { ReadGuard l(x_messages); return m_messages; }
+
 	void cleanup();
 
 private: