path: root/txTest.cpp

/*
    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 txTest.cpp
 * @author Marko Simovic <markobarko@gmail.com>
 * @date 2014
 * Simple peer transaction send test.
 */

#include <boost/test/unit_test.hpp>
#include <boost/filesystem/operations.hpp>
#include <libethereum/Client.h>
#include <libethereum/BlockChain.h>
#include <libethereum/EthereumHost.h>
#include "TestHelper.h"
using namespace std;
using namespace dev;
using namespace dev::eth;

// Disabled since tests shouldn't block. Need a short cut to avoid real mining.
/*
BOOST_AUTO_TEST_CASE(mine_local_simple_tx)
{
    KeyPair kp1 = KeyPair::create();
    KeyPair kp2 = KeyPair::create();

    Client c1("TestClient1", kp1.address(), (boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()).string());

    //mine some blocks so that client 1 has a balance
    mine(c1, 1);
    auto c1bal = c1.state().balance(kp1.address());
    BOOST_REQUIRE(c1bal > 0);

    //send c2 some eth from c1
    auto txAmount = c1bal / 2u;
    auto gasPrice = 10 * szabo;
    auto gas = dev::eth::c_callGas;
    c1.transact(kp1.secret(), txAmount, kp2.address(), bytes(), gas, gasPrice);

    //mine some more to include the transaction on chain
    mine(c1, 1);
    auto c2bal = c1.state().balance(kp2.address());
    BOOST_REQUIRE(c2bal > 0);
    BOOST_REQUIRE(c2bal == txAmount);
}

BOOST_AUTO_TEST_CASE(mine_and_send_to_peer)
{
    KeyPair kp1 = KeyPair::create();
    KeyPair kp2 = KeyPair::create();

    Client c1("TestClient1", kp1.address(), (boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()).string());
    Client c2("TestClient2", kp2.address(), (boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()).string());

    connectClients(c1, c2);

    //mine some blocks so that client 1 has a balance
    mine(c1, 1);
    auto c1bal = c1.state().balance(kp1.address());
    BOOST_REQUIRE(c1bal > 0);

    //send c2 some eth from c1
    auto txAmount = c1bal / 2u;
    auto gasPrice = 10 * szabo;
    auto gas = dev::eth::c_callGas;
    c1.transact(kp1.secret(), txAmount, kp2.address(), bytes(), gas, gasPrice);

    //mine some more to include the transaction on chain
    mine(c1, 1);
    auto c2bal = c2.state().balance(kp2.address());
    BOOST_REQUIRE(c2bal > 0);
    BOOST_REQUIRE(c2bal == txAmount);
}

BOOST_AUTO_TEST_CASE(mine_and_send_to_peer_fee_check)
{
    KeyPair kp1 = KeyPair::create();
    KeyPair kp2 = KeyPair::create();

    Client c1("TestClient1", kp1.address(), (boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()).string());
    Client c2("TestClient2", kp2.address(), (boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()).string());

    connectClients(c1, c2);

    //mine some blocks so that client 1 has a balance
    mine(c1, 1);

    auto c1StartBalance = c1.state().balance(kp1.address());
    auto c2StartBalance = c2.state().balance(kp2.address());
    BOOST_REQUIRE(c1StartBalance > 0);
    BOOST_REQUIRE(c2StartBalance == 0);

    //send c2 some eth from c1
    auto txAmount = c1StartBalance / 2u;
    auto gasPrice = 10 * szabo;
    auto gas = dev::eth::c_callGas;
    c1.transact(kp1.secret(), txAmount, c2.address(), bytes(), gas, gasPrice);

    //mine some more, this time with second client (so he can get fees from first client's tx)
    mine(c2, 1);

    auto c1EndBalance = c1.state().balance(kp1.address());
    auto c2EndBalance = c2.state().balance(kp2.address());
    BOOST_REQUIRE(c1EndBalance > 0);
    BOOST_REQUIRE(c1EndBalance == c1StartBalance - txAmount - gasPrice * gas);
    BOOST_REQUIRE(c2EndBalance > 0);
}
*/