jsonrpc offset method

libethrpc/EthStubServer.cpp

@@ -313,6 +313,11 @@ int EthStubServer::number()
 	return client() ? client()->number() + 1 : 0;
 }
 
+std::string EthStubServer::offset(const int& o, const std::string& s)
+{
+	return toJS(jsToU256(s) + o);
+}
+
 int EthStubServer::peerCount()
 {
 	return m_web3.peerCount();

libethrpc/EthStubServer.h

@@ -55,6 +55,7 @@ public:
 	virtual std::string lll(const std::string& s);
 	virtual Json::Value messages(const Json::Value& json);
 	virtual int number();
+	virtual std::string offset(const int& o, const std::string& s);
 	virtual int peerCount();
 	virtual std::string secretToAddress(const std::string& s);
 	virtual bool setCoinbase(const std::string& address);

libethrpc/abstractethstubserver.h

@@ -32,6 +32,7 @@ class AbstractEthStubServer : public jsonrpc::AbstractServer<AbstractEthStubServ
             this->bindAndAddMethod(new jsonrpc::Procedure("messages", jsonrpc::PARAMS_BY_NAME, jsonrpc::JSON_ARRAY, "params",jsonrpc::JSON_OBJECT, NULL), &AbstractEthStubServer::messagesI);
             this->bindAndAddMethod(new jsonrpc::Procedure("mining", jsonrpc::PARAMS_BY_NAME, jsonrpc::JSON_BOOLEAN,  NULL), &AbstractEthStubServer::miningI);
             this->bindAndAddMethod(new jsonrpc::Procedure("number", jsonrpc::PARAMS_BY_NAME, jsonrpc::JSON_INTEGER,  NULL), &AbstractEthStubServer::numberI);
+            this->bindAndAddMethod(new jsonrpc::Procedure("offset", jsonrpc::PARAMS_BY_NAME, jsonrpc::JSON_STRING, "o",jsonrpc::JSON_INTEGER,"s",jsonrpc::JSON_STRING, NULL), &AbstractEthStubServer::offsetI);
             this->bindAndAddMethod(new jsonrpc::Procedure("peerCount", jsonrpc::PARAMS_BY_NAME, jsonrpc::JSON_INTEGER,  NULL), &AbstractEthStubServer::peerCountI);
             this->bindAndAddMethod(new jsonrpc::Procedure("secretToAddress", jsonrpc::PARAMS_BY_NAME, jsonrpc::JSON_STRING, "s",jsonrpc::JSON_STRING, NULL), &AbstractEthStubServer::secretToAddressI);
             this->bindAndAddMethod(new jsonrpc::Procedure("setCoinbase", jsonrpc::PARAMS_BY_NAME, jsonrpc::JSON_BOOLEAN, "address",jsonrpc::JSON_STRING, NULL), &AbstractEthStubServer::setCoinbaseI);
@@ -144,6 +145,11 @@ class AbstractEthStubServer : public jsonrpc::AbstractServer<AbstractEthStubServ
             response = this->number();
         }
 
+        inline virtual void offsetI(const Json::Value& request, Json::Value& response) 
+        {
+            response = this->offset(request["o"].asInt(), request["s"].asString());
+        }
+
         inline virtual void peerCountI(const Json::Value& request, Json::Value& response) 
         {
             response = this->peerCount();
@@ -234,6 +240,7 @@ class AbstractEthStubServer : public jsonrpc::AbstractServer<AbstractEthStubServ
         virtual Json::Value messages(const Json::Value& params) = 0;
         virtual bool mining() = 0;
         virtual int number() = 0;
+        virtual std::string offset(const int& o, const std::string& s) = 0;
         virtual int peerCount() = 0;
         virtual std::string secretToAddress(const std::string& s) = 0;
         virtual bool setCoinbase(const std::string& address) = 0;

libethrpc/eth.js

@@ -54,7 +54,8 @@ var spec = [
             { "method": "fromAscii", "params": { "s": "", "padding": 0}, "order": ["s", "padding"], "returns": ""}, 
             { "method": "toDecimal", "params": {"s": ""}, "order": ["s"], "returns" : ""},
             { "method": "toFixed", "params": {"s": 0.0}, "order": ["s"], "returns" : ""},
-            { "method": "fromFixed", "params": {"s": ""}, "order": ["s"], "returns" : 0.0}
+            { "method": "fromFixed", "params": {"s": ""}, "order": ["s"], "returns" : 0.0},
+            { "method": "offset", "params": {"s": "", "o": 0}, "order": ["s", "o"], "returns" : ""}
 ];
 
 window.eth = (function ethScope() {

libethrpc/spec.json

@@ -36,7 +36,8 @@
             { "method": "fromAscii", "params": { "s": "", "padding": 0}, "order": ["s", "padding"], "returns": ""}, 
             { "method": "toDecimal", "params": {"s": ""}, "order": ["s"], "returns" : ""},
             { "method": "toFixed", "params": {"s": 0.0}, "order": ["s"], "returns" : ""},
-            { "method": "fromFixed", "params": {"s": ""}, "order": ["s"], "returns" : 0.0}
+            { "method": "fromFixed", "params": {"s": ""}, "order": ["s"], "returns" : 0.0},
+            { "method": "offset", "params": {"s": "", "o": 0}, "order": ["s", "o"], "returns" : ""}
 ]
 
 

test/ethstubclient.h

@@ -262,6 +262,20 @@ p["s"] = s;
 
         }
 
+        std::string offset(const int& o, const std::string& s) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p["o"] = o; 
+p["s"] = s; 
+
+            Json::Value result = this->client->CallMethod("offset",p);
+    if (result.isString())
+        return result.asString();
+     else 
+         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+
+        }
+
         int peerCount() throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;