diff --git a/alethzero/MainWin.cpp b/alethzero/MainWin.cpp
index 460669cf9..6aaf6fc18 100644
--- a/alethzero/MainWin.cpp
+++ b/alethzero/MainWin.cpp
@@ -1292,7 +1292,7 @@ void Main::on_blocks_currentItemChanged()
 			Transaction tx(block[1][txi].data());
 			auto ss = tx.safeSender();
 			h256 th = sha3(rlpList(ss, tx.nonce()));
-			auto receipt = ethereum()->blockChain().receipts(h).receipts[txi];
+			TransactionReceipt receipt = ethereum()->blockChain().receipts(h).receipts[txi];
 			s << "<h3>" << th << "</h3>";
 			s << "<h4>" << h << "[<b>" << txi << "</b>]</h4>";
 			s << "<br/>From: <b>" << pretty(ss).toHtmlEscaped().toStdString() << "</b> " << ss;
@@ -1308,6 +1308,7 @@ void Main::on_blocks_currentItemChanged()
 			s << "<br/>R: <b>" << hex << nouppercase << tx.signature().r << "</b>";
 			s << "<br/>S: <b>" << hex << nouppercase << tx.signature().s << "</b>";
 			s << "<br/>Msg: <b>" << tx.sha3(eth::WithoutSignature) << "</b>";
+			s << "<div>Log Bloom: " << receipt.bloom() << "</div>";
 			s << "<div>Hex: <span style=\"font-family: Monospace,Lucida Console,Courier,Courier New,sans-serif; font-size: small\">" << toHex(block[1][txi].data()) << "</span></div>";
 			auto r = receipt.rlp();
 			s << "<div>Receipt: " << toString(RLP(r)) << "</div>";
diff --git a/libethereum/BlockChain.h b/libethereum/BlockChain.h
index 49f7b149e..74d94e164 100644
--- a/libethereum/BlockChain.h
+++ b/libethereum/BlockChain.h
@@ -93,6 +93,10 @@ public:
 	/// Returns true if the given block is known (though not necessarily a part of the canon chain).
 	bool isKnown(h256 _hash) const;
 
+	/// Get the familial details concerning a block (or the most recent mined if none given). Thread-safe.
+	BlockInfo info(h256 _hash) const { return BlockInfo(block(_hash)); }
+	BlockInfo info() const { return BlockInfo(block()); }
+
 	/// Get the familial details concerning a block (or the most recent mined if none given). Thread-safe.
 	BlockDetails details(h256 _hash) const { return queryExtras<BlockDetails, 0>(_hash, m_details, x_details, NullBlockDetails); }
 	BlockDetails details() const { return details(currentHash()); }
diff --git a/libethereum/Client.cpp b/libethereum/Client.cpp
index 01aa75b9a..79001d2fb 100644
--- a/libethereum/Client.cpp
+++ b/libethereum/Client.cpp
@@ -232,12 +232,12 @@ void Client::appendFromNewPending(LogBloom _bloom, h256Set& o_changed) const
 
 void Client::appendFromNewBlock(h256 _block, h256Set& o_changed) const
 {
-//	auto d = m_bc.info(_block);
-//	
-//	lock_guard<mutex> l(m_filterLock);
-//	for (pair<h256, InstalledFilter> const& i: m_filters)
-//		if ((unsigned)i.second.filter.latest() >= d.number && (unsigned)i.second.filter.earliest() <= d.number && i.second.filter.matches(d.logBloom))
-//			o_changed.insert(i.first);
+	auto d = m_bc.info(_block);
+
+	lock_guard<mutex> l(m_filterLock);
+	for (pair<h256, InstalledFilter> const& i: m_filters)
+		if ((unsigned)i.second.filter.latest() >= d.number && (unsigned)i.second.filter.earliest() <= d.number && i.second.filter.matches(d.logBloom))
+			o_changed.insert(i.first);
 }
 
 void Client::setForceMining(bool _enable)
diff --git a/libjsqrc/ethereum.js b/libjsqrc/ethereum.js
index bd5b4fb4e..43ac12fd8 100644
--- a/libjsqrc/ethereum.js
+++ b/libjsqrc/ethereum.js
@@ -599,7 +599,7 @@ var ethWatchMethods = function () {
     return [
     { name: 'newFilter', call: newFilter },
     { name: 'uninstallFilter', call: 'eth_uninstallFilter' },
-    { name: 'getMessages', call: 'eth_getMessages' }
+    { name: 'logs', call: 'eth_getMessages' }
     ];
 };
 
@@ -904,6 +904,8 @@ Filter.prototype.messages = function() {
     });
 };
 
+Filter.prototype.logs = Filter.prototype.messages;
+
 function messageHandler(data) {
     if(data._event !== undefined) {
         web3.trigger(data._event, data._id, data.data);
@@ -1060,4 +1062,4 @@ module.exports = web3;
 },{"./lib/autoprovider":2,"./lib/contract":3,"./lib/httprpc":4,"./lib/main":5,"./lib/qt":6,"./lib/websocket":7}]},{},[])
 
 
-//# sourceMappingURL=ethereum.js.map
\ No newline at end of file
+//# sourceMappingURL=ethereum.js.map
diff --git a/libweb3jsonrpc/WebThreeStubServer.cpp b/libweb3jsonrpc/WebThreeStubServer.cpp
index 6bedfed3f..2676913e5 100644
--- a/libweb3jsonrpc/WebThreeStubServer.cpp
+++ b/libweb3jsonrpc/WebThreeStubServer.cpp
@@ -394,7 +394,7 @@ std::string WebThreeStubServer::db_get(std::string const& _name, std::string con
 	return toJS(dev::asBytes(ret));
 }
 
-Json::Value WebThreeStubServer::eth_getMessages(int const& _id)
+Json::Value WebThreeStubServer::eth_getLogs(int const& _id)
 {
 	if (!client())
 		return Json::Value();
diff --git a/libweb3jsonrpc/WebThreeStubServer.h b/libweb3jsonrpc/WebThreeStubServer.h
index 7d25f5954..007c06cb8 100644
--- a/libweb3jsonrpc/WebThreeStubServer.h
+++ b/libweb3jsonrpc/WebThreeStubServer.h
@@ -76,7 +76,7 @@ public:
 	virtual double eth_countAt(std::string const& _address);
 	virtual int eth_defaultBlock();
 	virtual std::string eth_gasPrice();
-	virtual Json::Value eth_getMessages(int const& _id);
+	virtual Json::Value eth_getLogs(int const& _id);
 	virtual bool eth_listening();
 	virtual bool eth_mining();
 	virtual int eth_newFilter(Json::Value const& _json);
diff --git a/libweb3jsonrpc/abstractwebthreestubserver.h b/libweb3jsonrpc/abstractwebthreestubserver.h
index b86576572..fd3f8b051 100644
--- a/libweb3jsonrpc/abstractwebthreestubserver.h
+++ b/libweb3jsonrpc/abstractwebthreestubserver.h
@@ -29,7 +29,7 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_countAt", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_REAL, "param1",jsonrpc::JSON_STRING, NULL), &AbstractWebThreeStubServer::eth_countAtI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_defaultBlock", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_INTEGER,  NULL), &AbstractWebThreeStubServer::eth_defaultBlockI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_gasPrice", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_STRING,  NULL), &AbstractWebThreeStubServer::eth_gasPriceI);
-            this->bindAndAddMethod(new jsonrpc::Procedure("eth_getMessages", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_ARRAY, "param1",jsonrpc::JSON_INTEGER, NULL), &AbstractWebThreeStubServer::eth_getMessagesI);
+			this->bindAndAddMethod(new jsonrpc::Procedure("eth_getLogs", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_ARRAY, "param1",jsonrpc::JSON_INTEGER, NULL), &AbstractWebThreeStubServer::eth_getLogsI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_listening", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN,  NULL), &AbstractWebThreeStubServer::eth_listeningI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_lll", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_STRING, "param1",jsonrpc::JSON_STRING, NULL), &AbstractWebThreeStubServer::eth_lllI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_mining", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN,  NULL), &AbstractWebThreeStubServer::eth_miningI);
@@ -142,9 +142,9 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
             response = this->eth_gasPrice();
         }
 
-        inline virtual void eth_getMessagesI(const Json::Value& request, Json::Value& response) 
+		inline virtual void eth_getLogsI(const Json::Value& request, Json::Value& response)
         {
-            response = this->eth_getMessages(request[0u].asInt());
+			response = this->eth_getLogs(request[0u].asInt());
         }
 
         inline virtual void eth_listeningI(const Json::Value& request, Json::Value& response) 
@@ -309,7 +309,7 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         virtual double eth_countAt(const std::string& param1) = 0;
         virtual int eth_defaultBlock() = 0;
         virtual std::string eth_gasPrice() = 0;
-        virtual Json::Value eth_getMessages(const int& param1) = 0;
+		virtual Json::Value eth_getLogs(const int& param1) = 0;
         virtual bool eth_listening() = 0;
         virtual std::string eth_lll(const std::string& param1) = 0;
         virtual bool eth_mining() = 0;
diff --git a/libweb3jsonrpc/spec.json b/libweb3jsonrpc/spec.json
index 1ed8530f3..977c06b7b 100644
--- a/libweb3jsonrpc/spec.json
+++ b/libweb3jsonrpc/spec.json
@@ -37,7 +37,7 @@
             { "method": "eth_newFilterString", "params": [""], "order": [], "returns": 0},
             { "method": "eth_uninstallFilter", "params": [0], "order": [], "returns": true},
             { "method": "eth_changed", "params": [0], "order": [], "returns": false},
-            { "method": "eth_getMessages", "params": [0], "order": [], "returns": []},
+            { "method": "eth_getLogs", "params": [0], "order": [], "returns": []},
 
             { "method": "db_put", "params": ["", "", ""], "order": [], "returns": true},
             { "method": "db_get", "params": ["", ""], "order": [], "returns": ""},
diff --git a/test/webthreestubclient.h b/test/webthreestubclient.h
index 162c84b4f..e69ae3451 100644
--- a/test/webthreestubclient.h
+++ b/test/webthreestubclient.h
@@ -228,12 +228,12 @@ p.append(param3);
 
         }
 
-        Json::Value eth_getMessages(const int& param1) throw (jsonrpc::JsonRpcException)
+		Json::Value eth_getLogs(const int& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
 
-            Json::Value result = this->client->CallMethod("eth_getMessages",p);
+			Json::Value result = this->client->CallMethod("eth_getLogs",p);
     if (result.isArray())
         return result;
      else 
diff --git a/third/MainWin.cpp b/third/MainWin.cpp
index c2dcb7ce2..299aafaaa 100644
--- a/third/MainWin.cpp
+++ b/third/MainWin.cpp
@@ -182,7 +182,7 @@ void Main::onKeysChanged()
 	installBalancesWatch();
 }
 
-unsigned Main::installWatch(dev::eth::MessageFilter const& _tf, std::function<void()> const& _f)
+unsigned Main::installWatch(dev::eth::LogFilter const& _tf, std::function<void()> const& _f)
 {
 	auto ret = ethereum()->installWatch(_tf);
 	m_handlers[ret] = _f;
@@ -198,37 +198,34 @@ unsigned Main::installWatch(dev::h256 _tf, std::function<void()> const& _f)
 
 void Main::installWatches()
 {
-	installWatch(dev::eth::MessageFilter().altered(c_config, 0), [=](){ installNameRegWatch(); });
-	installWatch(dev::eth::MessageFilter().altered(c_config, 1), [=](){ installCurrenciesWatch(); });
+	installWatch(dev::eth::LogFilter().topic((u256)(u160)c_config).topic((u256)0), [=](){ installNameRegWatch(); });
+	installWatch(dev::eth::LogFilter().topic((u256)(u160)c_config).topic((u256)1), [=](){ installCurrenciesWatch(); });
 	installWatch(dev::eth::ChainChangedFilter, [=](){ onNewBlock(); });
 }
 
 void Main::installNameRegWatch()
 {
 	ethereum()->uninstallWatch(m_nameRegFilter);
-	m_nameRegFilter = installWatch(dev::eth::MessageFilter().altered((u160)ethereum()->stateAt(c_config, 0)), [=](){ onNameRegChange(); });
+	m_nameRegFilter = installWatch(dev::eth::LogFilter().topic(ethereum()->stateAt(c_config, 0)), [=](){ onNameRegChange(); });
 }
 
 void Main::installCurrenciesWatch()
 {
 	ethereum()->uninstallWatch(m_currenciesFilter);
-	m_currenciesFilter = installWatch(dev::eth::MessageFilter().altered((u160)ethereum()->stateAt(c_config, 1)), [=](){ onCurrenciesChange(); });
+	m_currenciesFilter = installWatch(dev::eth::LogFilter().topic(ethereum()->stateAt(c_config, 1)), [=](){ onCurrenciesChange(); });
 }
 
 void Main::installBalancesWatch()
 {
-	dev::eth::MessageFilter tf;
+	dev::eth::LogFilter tf;
 
 	vector<Address> altCoins;
 	Address coinsAddr = right160(ethereum()->stateAt(c_config, 1));
 	for (unsigned i = 0; i < ethereum()->stateAt(coinsAddr, 0); ++i)
 		altCoins.push_back(right160(ethereum()->stateAt(coinsAddr, i + 1)));
 	for (auto i: m_myKeys)
-	{
-		tf.altered(i.address());
 		for (auto c: altCoins)
-			tf.altered(c, (u160)i.address());
-	}
+			tf.address(c).topic((u256)(u160)i.address());
 
 	ethereum()->uninstallWatch(m_balancesFilter);
 	m_balancesFilter = installWatch(tf, [=](){ onBalancesChange(); });
diff --git a/third/MainWin.h b/third/MainWin.h
index 607d65fee..478fb6fb6 100644
--- a/third/MainWin.h
+++ b/third/MainWin.h
@@ -40,7 +40,7 @@ namespace dev { class WebThreeDirect;
 namespace eth {
 class Client;
 class State;
-class MessageFilter;
+class LogFilter;
 }
 namespace shh {
 class WhisperHost;
@@ -95,7 +95,7 @@ private:
 	void readSettings(bool _skipGeometry = false);
 	void writeSettings();
 
-	unsigned installWatch(dev::eth::MessageFilter const& _tf, std::function<void()> const& _f);
+	unsigned installWatch(dev::eth::LogFilter const& _tf, std::function<void()> const& _f);
 	unsigned installWatch(dev::h256 _tf, std::function<void()> const& _f);
 
 	void onNewBlock();