diff --git a/libjsqrc/ethereum.js b/libjsqrc/ethereum.js
index 0a27f3905..f319cd74a 100644
--- a/libjsqrc/ethereum.js
+++ b/libjsqrc/ethereum.js
@@ -526,6 +526,12 @@ function flattenPromise (obj) {
     return Promise.resolve(obj);
 }
 
+var web3Methods = function () {
+    return [
+    { name: 'sha3', call: 'web3_sha3' }
+    ];
+};
+
 var ethMethods = function () {
     var blockCall = function (args) {
         return typeof args[0] === "string" ? "eth_blockByHash" : "eth_blockByNumber";
@@ -778,6 +784,7 @@ var web3 = {
     }
 };
 
+setupMethods(web3, web3Methods());
 setupMethods(web3.eth, ethMethods());
 setupProperties(web3.eth, ethProperties());
 setupMethods(web3.db, dbMethods());
diff --git a/libweb3jsonrpc/WebThreeStubServer.cpp b/libweb3jsonrpc/WebThreeStubServer.cpp
index fc1bd28d1..d88aa0a5f 100644
--- a/libweb3jsonrpc/WebThreeStubServer.cpp
+++ b/libweb3jsonrpc/WebThreeStubServer.cpp
@@ -244,6 +244,11 @@ std::shared_ptr<dev::shh::Interface> WebThreeStubServer::face() const
 	return m_web3.whisper();
 }
 
+std::string WebThreeStubServer::web3_sha3(std::string const& _param1)
+{
+	return toJS(sha3(jsToBytes(_param1)));
+}
+
 Json::Value WebThreeStubServer::eth_accounts()
 {
 	Json::Value ret(Json::arrayValue);
diff --git a/libweb3jsonrpc/WebThreeStubServer.h b/libweb3jsonrpc/WebThreeStubServer.h
index 474fda9af..6d54c59ef 100644
--- a/libweb3jsonrpc/WebThreeStubServer.h
+++ b/libweb3jsonrpc/WebThreeStubServer.h
@@ -64,6 +64,7 @@ class WebThreeStubServer: public AbstractWebThreeStubServer
 public:
 	WebThreeStubServer(jsonrpc::AbstractServerConnector& _conn, dev::WebThreeDirect& _web3, std::vector<dev::KeyPair> const& _accounts);
 	
+	virtual std::string web3_sha3(std::string const& _param1);
 	virtual Json::Value eth_accounts();
 	virtual std::string eth_balanceAt(std::string const& _address);
 	virtual Json::Value eth_blockByHash(std::string const& _hash);
diff --git a/libweb3jsonrpc/abstractwebthreestubserver.h b/libweb3jsonrpc/abstractwebthreestubserver.h
index a4be6aa45..779d8bec3 100644
--- a/libweb3jsonrpc/abstractwebthreestubserver.h
+++ b/libweb3jsonrpc/abstractwebthreestubserver.h
@@ -12,6 +12,7 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
     public:
         AbstractWebThreeStubServer(jsonrpc::AbstractServerConnector &conn) : jsonrpc::AbstractServer<AbstractWebThreeStubServer>(conn)
         {
+            this->bindAndAddMethod(new jsonrpc::Procedure("web3_sha3", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_STRING, "param1",jsonrpc::JSON_STRING, NULL), &AbstractWebThreeStubServer::web3_sha3I);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_coinbase", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_STRING,  NULL), &AbstractWebThreeStubServer::eth_coinbaseI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_setCoinbase", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_STRING, NULL), &AbstractWebThreeStubServer::eth_setCoinbaseI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_listening", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN,  NULL), &AbstractWebThreeStubServer::eth_listeningI);
@@ -61,9 +62,12 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
             this->bindAndAddMethod(new jsonrpc::Procedure("shh_changed", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_ARRAY, "param1",jsonrpc::JSON_INTEGER, NULL), &AbstractWebThreeStubServer::shh_changedI);
         }
 
+        inline virtual void web3_sha3I(const Json::Value &request, Json::Value &response)
+        {
+            response = this->web3_sha3(request[0u].asString());
+        }
         inline virtual void eth_coinbaseI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_coinbase();
         }
         inline virtual void eth_setCoinbaseI(const Json::Value &request, Json::Value &response)
@@ -72,7 +76,6 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         }
         inline virtual void eth_listeningI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_listening();
         }
         inline virtual void eth_setListeningI(const Json::Value &request, Json::Value &response)
@@ -81,7 +84,6 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         }
         inline virtual void eth_miningI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_mining();
         }
         inline virtual void eth_setMiningI(const Json::Value &request, Json::Value &response)
@@ -90,22 +92,18 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         }
         inline virtual void eth_gasPriceI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_gasPrice();
         }
         inline virtual void eth_accountsI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_accounts();
         }
         inline virtual void eth_peerCountI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_peerCount();
         }
         inline virtual void eth_defaultBlockI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_defaultBlock();
         }
         inline virtual void eth_setDefaultBlockI(const Json::Value &request, Json::Value &response)
@@ -114,7 +112,6 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         }
         inline virtual void eth_numberI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_number();
         }
         inline virtual void eth_balanceAtI(const Json::Value &request, Json::Value &response)
@@ -171,7 +168,6 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         }
         inline virtual void eth_compilersI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->eth_compilers();
         }
         inline virtual void eth_lllI(const Json::Value &request, Json::Value &response)
@@ -232,7 +228,6 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         }
         inline virtual void shh_newIdentityI(const Json::Value &request, Json::Value &response)
         {
-            (void)request;
             response = this->shh_newIdentity();
         }
         inline virtual void shh_haveIdentityI(const Json::Value &request, Json::Value &response)
@@ -259,6 +254,7 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         {
             response = this->shh_changed(request[0u].asInt());
         }
+        virtual std::string web3_sha3(const std::string& param1) = 0;
         virtual std::string eth_coinbase() = 0;
         virtual bool eth_setCoinbase(const std::string& param1) = 0;
         virtual bool eth_listening() = 0;
diff --git a/libweb3jsonrpc/spec.json b/libweb3jsonrpc/spec.json
index 43d8d3f5a..09d88c4d2 100644
--- a/libweb3jsonrpc/spec.json
+++ b/libweb3jsonrpc/spec.json
@@ -1,4 +1,6 @@
 [
+            { "name": "web3_sha3", "params": [""], "order": [], "returns" : "" },
+
             { "name": "eth_coinbase", "params": [], "order": [], "returns" : "" },
             { "name": "eth_setCoinbase", "params": [""], "order": [], "returns" : true },
             { "name": "eth_listening", "params": [], "order": [], "returns" : false },
diff --git a/test/jsonrpc.cpp b/test/jsonrpc.cpp
index 37377407c..454ae2257 100644
--- a/test/jsonrpc.cpp
+++ b/test/jsonrpc.cpp
@@ -19,7 +19,7 @@
  * @date 2014
  */
 
-#if ETH_JSONRPC && 0
+#if ETH_JSONRPC
 
 #include <boost/test/unit_test.hpp>
 #include <boost/lexical_cast.hpp>