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Diffstat (limited to 'contracts/FixedFeeRegistrar.cpp')
| -rw-r--r-- | contracts/FixedFeeRegistrar.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/contracts/FixedFeeRegistrar.cpp b/contracts/FixedFeeRegistrar.cpp new file mode 100644 index 00000000..26373499 --- /dev/null +++ b/contracts/FixedFeeRegistrar.cpp @@ -0,0 +1,237 @@ +/* + 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 +{ + +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.getBytecode("FixedFeeRegistrar"))); + } + 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 |