/*
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 2015
* Tests for a fixed fee registrar contract.
*/
#include <string>
#include <tuple>
#include <boost/test/unit_test.hpp>
#include <libdevcore/Hash.h>
#include <test/libsolidity/solidityExecutionFramework.h>
using namespace std;
namespace dev
{
namespace solidity
{
namespace test
{
namespace
{
static char const* registrarCode = R"DELIMITER(
//sol FixedFeeRegistrar
// Simple global registrar with fixed-fee reservations.
// @authors:
// Gav Wood <g@ethdev.com>
contract Registrar {
event Changed(string indexed name);
function owner(string _name) constant returns (address o_owner);
function addr(string _name) constant returns (address o_address);
function subRegistrar(string _name) constant returns (address o_subRegistrar);
function content(string _name) constant returns (bytes32 o_content);
}
contract FixedFeeRegistrar is Registrar {
struct Record {
address addr;
address subRegistrar;
bytes32 content;
address owner;
}
modifier onlyrecordowner(string _name) { if (m_record(_name).owner == msg.sender) _ }
function reserve(string _name) {
Record rec = m_record(_name);
if (rec.owner == 0 && msg.value >= c_fee) {
rec.owner = msg.sender;
Changed(_name);
}
}
function disown(string _name, address _refund) onlyrecordowner(_name) {
delete m_recordData[uint(sha3(_name)) / 8];
_refund.send(c_fee);
Changed(_name);
}
function transfer(string _name, address _newOwner) onlyrecordowner(_name) {
m_record(_name).owner = _newOwner;
Changed(_name);
}
function setAddr(string _name, address _a) onlyrecordowner(_name) {
m_record(_name).addr = _a;
Changed(_name);
}
function setSubRegistrar(string _name, address _registrar) onlyrecordowner(_name) {
m_record(_name).subRegistrar = _registrar;
Changed(_name);
}
function setContent(string _name, bytes32 _content) onlyrecordowner(_name) {
m_record(_name).content = _content;
Changed(_name);
}
function record(string _name) constant returns (address o_addr, address o_subRegistrar, bytes32 o_content, address o_owner) {
Record rec = m_record(_name);
o_addr = rec.addr;
o_subRegistrar = rec.subRegistrar;
o_content = rec.content;
o_owner = rec.owner;
}
function addr(string _name) constant returns (address) { return m_record(_name).addr; }
function subRegistrar(string _name) constant returns (address) { return m_record(_name).subRegistrar; }
function content(string _name) constant returns (bytes32) { return m_record(_name).content; }
function owner(string _name) constant returns (address) { return m_record(_name).owner; }
Record[2**253] m_recordData;
function m_record(string _name) constant internal returns (Record storage o_record) {
return m_recordData[uint(sha3(_name)) / 8];
}
uint constant c_fee = 69 ether;
}
)DELIMITER";
static unique_ptr<bytes> s_compiledRegistrar;
class RegistrarTestFramework: public ExecutionFramework
{
protected:
void deployRegistrar()
{
if (!s_compiledRegistrar)
{
m_optimize = true;
m_compiler.reset(false, m_addStandardSources);
m_compiler.addSource("", registrarCode);
ETH_TEST_REQUIRE_NO_THROW(m_compiler.compile(m_optimize, m_optimizeRuns), "Compiling contract failed");
s_compiledRegistrar.reset(new bytes(m_compiler.object("FixedFeeRegistrar").bytecode));
}
sendMessage(*s_compiledRegistrar, true);
BOOST_REQUIRE(!m_output.empty());
}
u256 const m_fee = u256("69000000000000000000");
};
}
/// This is a test suite that tests optimised code!
BOOST_FIXTURE_TEST_SUITE(SolidityFixedFeeRegistrar, RegistrarTestFramework)
BOOST_AUTO_TEST_CASE(creation)
{
deployRegistrar();
}
BOOST_AUTO_TEST_CASE(reserve)
{
// Test that reserving works and fee is taken into account.
deployRegistrar();
string name[] = {"abc", "def", "ghi"};
m_sender = Address(0x123);
BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name[0])) == encodeArgs());
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name[0])) == encodeArgs(h256(0x123)));
BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee + 1, encodeDyn(name[1])) == encodeArgs());
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name[1])) == encodeArgs(h256(0x123)));
BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee - 1, encodeDyn(name[2])) == encodeArgs());
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name[2])) == encodeArgs(h256(0)));
}
BOOST_AUTO_TEST_CASE(double_reserve)
{
// Test that it is not possible to re-reserve from a different address.
deployRegistrar();
string name = "abc";
m_sender = Address(0x123);
BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs());
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(h256(0x123)));
m_sender = Address(0x124);
BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs());
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(h256(0x123)));
}
BOOST_AUTO_TEST_CASE(properties)
{
// Test setting and retrieving the various properties works.
deployRegistrar();
string names[] = {"abc", "def", "ghi"};
size_t addr = 0x9872543;
for (string const& name: names)
{
addr++;
size_t sender = addr + 10007;
m_sender = Address(sender);
// setting by sender works
BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs());
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(u256(sender)));
BOOST_CHECK(callContractFunction("setAddr(string,address)", u256(0x40), u256(addr), u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("addr(string)", encodeDyn(name)) == encodeArgs(addr));
BOOST_CHECK(callContractFunction("setSubRegistrar(string,address)", u256(0x40), addr + 20, u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("subRegistrar(string)", encodeDyn(name)) == encodeArgs(addr + 20));
BOOST_CHECK(callContractFunction("setContent(string,bytes32)", u256(0x40), addr + 90, u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("content(string)", encodeDyn(name)) == encodeArgs(addr + 90));
// but not by someone else
m_sender = Address(h256(addr + 10007 - 1));
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(sender));
BOOST_CHECK(callContractFunction("setAddr(string,address)", u256(0x40), addr + 1, u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("addr(string)", encodeDyn(name)) == encodeArgs(addr));
BOOST_CHECK(callContractFunction("setSubRegistrar(string,address)", u256(0x40), addr + 20 + 1, u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("subRegistrar(string)", encodeDyn(name)) == encodeArgs(addr + 20));
BOOST_CHECK(callContractFunction("setContent(string,bytes32)", u256(0x40), addr + 90 + 1, u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("content(string)", encodeDyn(name)) == encodeArgs(addr + 90));
}
}
BOOST_AUTO_TEST_CASE(transfer)
{
deployRegistrar();
string name = "abc";
m_sender = Address(0x123);
BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs());
BOOST_CHECK(callContractFunction("setContent(string,bytes32)", u256(0x40), u256(123), u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("transfer(string,address)", u256(0x40), u256(555), u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(u256(555)));
BOOST_CHECK(callContractFunction("content(string)", encodeDyn(name)) == encodeArgs(u256(123)));
}
BOOST_AUTO_TEST_CASE(disown)
{
deployRegistrar();
string name = "abc";
m_sender = Address(0x123);
BOOST_REQUIRE(callContractFunctionWithValue("reserve(string)", m_fee, encodeDyn(name)) == encodeArgs());
BOOST_CHECK(callContractFunction("setContent(string,bytes32)", u256(0x40), u256(123), u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("setAddr(string,address)", u256(0x40), u256(124), u256(name.length()), name) == encodeArgs());
BOOST_CHECK(callContractFunction("setSubRegistrar(string,address)", u256(0x40), u256(125), u256(name.length()), name) == encodeArgs());
BOOST_CHECK_EQUAL(m_state.balance(Address(0x124)), 0);
BOOST_CHECK(callContractFunction("disown(string,address)", u256(0x40), u256(0x124), name.size(), name) == encodeArgs());
BOOST_CHECK_EQUAL(m_state.balance(Address(0x124)), m_fee);
BOOST_CHECK(callContractFunction("owner(string)", encodeDyn(name)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("content(string)", encodeDyn(name)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("addr(string)", encodeDyn(name)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("subRegistrar(string)", encodeDyn(name)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces
