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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file JSV8RPC.cpp
* @author Marek Kotewicz <marek@ethdev.com>
* @date 2015
* Ethereum client.
*/
#include "JSV8RPC.h"
using namespace dev;
using namespace dev::eth;
namespace dev
{
namespace eth
{
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v8::Handle<v8::Value> JSV8RPCSend(v8::Arguments const& _args)
{
v8::Local<v8::String> JSON = v8::String::New("JSON");
v8::Local<v8::String> parse = v8::String::New("parse");
v8::Local<v8::String> stringify = v8::String::New("stringify");
v8::Handle<v8::Object> jsonObject = v8::Handle<v8::Object>::Cast(v8::Context::GetCurrent()->Global()->Get(JSON));
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v8::Handle<v8::Function> parseFunc = v8::Handle<v8::Function>::Cast(jsonObject->Get(parse));
v8::Handle<v8::Function> stringifyFunc = v8::Handle<v8::Function>::Cast(jsonObject->Get(stringify));
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v8::Local<v8::Object> self = _args.Holder();
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v8::Local<v8::External> wrap = v8::Local<v8::External>::Cast(self->GetInternalField(0));
JSV8RPC* that = static_cast<JSV8RPC*>(wrap->Value());
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v8::Local<v8::Value> vals[1] = {_args[0]->ToObject()};
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v8::Local<v8::Value> stringifiedArg = stringifyFunc->Call(stringifyFunc, 1, vals);
v8::String::Utf8Value str(stringifiedArg);
that->onSend(*str);
v8::Local<v8::Value> values[1] = {v8::String::New(that->lastResponse())};
return parseFunc->Call(parseFunc, 1, values);
}
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}
}
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JSV8RPC::JSV8RPC(JSV8Engine const& _engine): m_engine(_engine)
{
v8::HandleScope scope;
v8::Local<v8::ObjectTemplate> rpcTemplate = v8::ObjectTemplate::New();
rpcTemplate->SetInternalFieldCount(1);
rpcTemplate->Set(v8::String::New("send"),
v8::FunctionTemplate::New(JSV8RPCSend));
rpcTemplate->Set(v8::String::New("sendAsync"),
v8::FunctionTemplate::New(JSV8RPCSend));
v8::Local<v8::Object> obj = rpcTemplate->NewInstance();
obj->SetInternalField(0, v8::External::New(this));
v8::Local<v8::String> web3 = v8::String::New("web3");
v8::Local<v8::String> setProvider = v8::String::New("setProvider");
v8::Handle<v8::Object> web3object = v8::Handle<v8::Object>::Cast(m_engine.context()->Global()->Get(web3));
v8::Handle<v8::Function> func = v8::Handle<v8::Function>::Cast(web3object->Get(setProvider));
v8::Local<v8::Value> values[1] = {obj};
func->Call(func, 1, values);
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m_lastResponse = R"(
{
"id": 1,
"jsonrpc": "2.0",
"error": "Uninitalized JSV8RPC!"
}
)";
}