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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/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2016
* Framework for executing Solidity contracts and testing them against C++ implementation.
*/
#include <cstdlib>
#include <boost/test/framework.hpp>
#include <libdevcore/CommonIO.h>
#include <test/libsolidity/SolidityExecutionFramework.h>
using namespace std;
using namespace dev;
using namespace dev::solidity;
using namespace dev::solidity::test;
namespace // anonymous
{
h256 const EmptyTrie("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421");
}
string getIPCSocketPath()
{
string ipcPath = dev::test::Options::get().ipcPath;
if (ipcPath.empty())
BOOST_FAIL("ERROR: ipcPath not set! (use --ipc <path> or the environment variable ETH_TEST_IPC)");
return ipcPath;
}
ExecutionFramework::ExecutionFramework() :
m_rpc(RPCSession::instance(getIPCSocketPath())),
m_sender(m_rpc.account(0))
{
m_rpc.test_rewindToBlock(0);
}
void ExecutionFramework::sendMessage(bytes const& _data, bool _isCreation, u256 const& _value)
{
RPCSession::TransactionData d;
d.data = "0x" + toHex(_data);
d.from = "0x" + toString(m_sender);
d.gas = toHex(m_gas, HexPrefix::Add);
d.gasPrice = toHex(m_gasPrice, HexPrefix::Add);
d.value = toHex(_value, HexPrefix::Add);
if (!_isCreation)
{
d.to = dev::toString(m_contractAddress);
BOOST_REQUIRE(m_rpc.eth_getCode(d.to, "latest").size() > 2);
// Use eth_call to get the output
m_output = fromHex(m_rpc.eth_call(d, "latest"), WhenError::Throw);
}
string txHash = m_rpc.eth_sendTransaction(d);
m_rpc.test_mineBlocks(1);
RPCSession::TransactionReceipt receipt(m_rpc.eth_getTransactionReceipt(txHash));
if (_isCreation)
{
m_contractAddress = Address(receipt.contractAddress);
BOOST_REQUIRE(m_contractAddress);
string code = m_rpc.eth_getCode(receipt.contractAddress, "latest");
m_output = fromHex(code, WhenError::Throw);
}
m_gasUsed = u256(receipt.gasUsed);
m_logs.clear();
for (auto const& log: receipt.logEntries)
{
LogEntry entry;
entry.address = Address(log.address);
for (auto const& topic: log.topics)
entry.topics.push_back(h256(topic));
entry.data = fromHex(log.data, WhenError::Throw);
m_logs.push_back(entry);
}
}
void ExecutionFramework::sendEther(Address const& _to, u256 const& _value)
{
RPCSession::TransactionData d;
d.data = "0x";
d.from = "0x" + toString(m_sender);
d.gas = toHex(m_gas, HexPrefix::Add);
d.gasPrice = toHex(m_gasPrice, HexPrefix::Add);
d.value = toHex(_value, HexPrefix::Add);
d.to = dev::toString(_to);
string txHash = m_rpc.eth_sendTransaction(d);
m_rpc.test_mineBlocks(1);
}
size_t ExecutionFramework::currentTimestamp()
{
auto latestBlock = m_rpc.rpcCall("eth_getBlockByNumber", {"\"latest\"", "false"});
return size_t(u256(latestBlock.get("timestamp", "invalid").asString()));
}
Address ExecutionFramework::account(size_t _i)
{
return Address(m_rpc.accountCreateIfNotExists(_i));
}
bool ExecutionFramework::addressHasCode(Address const& _addr)
{
string code = m_rpc.eth_getCode(toString(_addr), "latest");
return !code.empty() && code != "0x";
}
u256 ExecutionFramework::balanceAt(Address const& _addr)
{
return u256(m_rpc.eth_getBalance(toString(_addr), "latest"));
}
bool ExecutionFramework::storageEmpty(Address const& _addr)
{
h256 root(m_rpc.eth_getStorageRoot(toString(_addr), "latest"));
BOOST_CHECK(root);
return root == EmptyTrie;
}
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