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solidity/SolidityEndToEndTest.cpp

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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>
* @author Gav Wood <g@ethdev.com>
* @date 2014
* Unit tests for the solidity expression compiler, testing the behaviour of the code.
*/
#if ETH_SOLIDITY
#include <string>
#include <tuple>
#include <boost/test/unit_test.hpp>
#include <libdevcrypto/SHA3.h>
#include <test/solidityExecutionFramework.h>
using namespace std;
namespace dev
{
namespace solidity
{
namespace test
{
BOOST_FIXTURE_TEST_SUITE(SolidityEndToEndTest, ExecutionFramework)
BOOST_AUTO_TEST_CASE(smoke_test)
{
char const* sourceCode = "contract test {\n"
" function f(uint a) returns(uint d) { return a * 7; }\n"
"}\n";
compileAndRun(sourceCode);
testSolidityAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return a * 7; }, 0, 100);
}
BOOST_AUTO_TEST_CASE(empty_contract)
{
char const* sourceCode = "contract test {\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("i_am_not_there()", bytes()).empty());
}
BOOST_AUTO_TEST_CASE(exp_operator)
{
char const* sourceCode = R"(
contract test {
function f(uint a) returns(uint d) { return 2 ** a; }
})";
compileAndRun(sourceCode);
testSolidityAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return u256(1 << a.convert_to<int>()); }, 0, 16);
}
BOOST_AUTO_TEST_CASE(exp_operator_const)
{
char const* sourceCode = R"(
contract test {
function f() returns(uint d) { return 2 ** 3; }
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(8)));
}
BOOST_AUTO_TEST_CASE(exp_operator_const_signed)
{
char const* sourceCode = R"(
contract test {
function f() returns(int d) { return (-2) ** 3; }
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(-8)));
}
BOOST_AUTO_TEST_CASE(recursive_calls)
{
char const* sourceCode = "contract test {\n"
" function f(uint n) returns(uint nfac) {\n"
" if (n <= 1) return 1;\n"
" else return n * f(n - 1);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
function<u256(u256)> recursive_calls_cpp = [&recursive_calls_cpp](u256 const& n) -> u256
{
if (n <= 1)
return 1;
else
return n * recursive_calls_cpp(n - 1);
};
testSolidityAgainstCppOnRange("f(uint256)", recursive_calls_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(multiple_functions)
{
char const* sourceCode = "contract test {\n"
" function a() returns(uint n) { return 0; }\n"
" function b() returns(uint n) { return 1; }\n"
" function c() returns(uint n) { return 2; }\n"
" function f() returns(uint n) { return 3; }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("a()", bytes()) == toBigEndian(u256(0)));
BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(1)));
BOOST_CHECK(callContractFunction("c()", bytes()) == toBigEndian(u256(2)));
BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(3)));
BOOST_CHECK(callContractFunction("i_am_not_there()", bytes()) == bytes());
}
BOOST_AUTO_TEST_CASE(named_args)
{
char const* sourceCode = "contract test {\n"
" function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n"
" function b() returns (uint r) { r = a({a: 1, b: 2, c: 3}); }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(123)));
}
BOOST_AUTO_TEST_CASE(disorder_named_args)
{
char const* sourceCode = "contract test {\n"
" function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n"
" function b() returns (uint r) { r = a({c: 3, a: 1, b: 2}); }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(123)));
}
BOOST_AUTO_TEST_CASE(while_loop)
{
char const* sourceCode = "contract test {\n"
" function f(uint n) returns(uint nfac) {\n"
" nfac = 1;\n"
" var i = 2;\n"
" while (i <= n) nfac *= i++;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto while_loop_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
u256 i = 2;
while (i <= n)
nfac *= i++;
return nfac;
};
testSolidityAgainstCppOnRange("f(uint256)", while_loop_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(break_outside_loop)
{
// break and continue outside loops should be simply ignored
char const* sourceCode = "contract test {\n"
" function f(uint x) returns(uint y) {\n"
" break; continue; return 2;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
testSolidityAgainstCpp("f(uint256)", [](u256 const&) -> u256 { return 2; }, u256(0));
}
BOOST_AUTO_TEST_CASE(nested_loops)
{
// tests that break and continue statements in nested loops jump to the correct place
char const* sourceCode = "contract test {\n"
" function f(uint x) returns(uint y) {\n"
" while (x > 1) {\n"
" if (x == 10) break;\n"
" while (x > 5) {\n"
" if (x == 8) break;\n"
" x--;\n"
" if (x == 6) continue;\n"
" return x;\n"
" }\n"
" x--;\n"
" if (x == 3) continue;\n"
" break;\n"
" }\n"
" return x;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto nested_loops_cpp = [](u256 n) -> u256
{
while (n > 1)
{
if (n == 10)
break;
while (n > 5)
{
if (n == 8)
break;
n--;
if (n == 6)
continue;
return n;
}
n--;
if (n == 3)
continue;
break;
}
return n;
};
testSolidityAgainstCppOnRange("f(uint256)", nested_loops_cpp, 0, 12);
}
BOOST_AUTO_TEST_CASE(for_loop)
{
char const* sourceCode = "contract test {\n"
" function f(uint n) returns(uint nfac) {\n"
" nfac = 1;\n"
" for (var i = 2; i <= n; i++)\n"
" nfac *= i;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto for_loop_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
for (auto i = 2; i <= n; i++)
nfac *= i;
return nfac;
};
testSolidityAgainstCppOnRange("f(uint256)", for_loop_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(for_loop_empty)
{
char const* sourceCode = "contract test {\n"
" function f() returns(uint ret) {\n"
" ret = 1;\n"
" for (;;)\n"
" {\n"
" ret += 1;\n"
" if (ret >= 10) break;\n"
" }\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto for_loop_empty_cpp = []() -> u256
{
u256 ret = 1;
for (;;)
{
ret += 1;
if (ret >= 10) break;
}
return ret;
};
testSolidityAgainstCpp("f()", for_loop_empty_cpp);
}
BOOST_AUTO_TEST_CASE(for_loop_simple_init_expr)
{
char const* sourceCode = "contract test {\n"
" function f(uint n) returns(uint nfac) {\n"
" nfac = 1;\n"
" uint256 i;\n"
" for (i = 2; i <= n; i++)\n"
" nfac *= i;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto for_loop_simple_init_expr_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
u256 i;
for (i = 2; i <= n; i++)
nfac *= i;
return nfac;
};
testSolidityAgainstCppOnRange("f(uint256)", for_loop_simple_init_expr_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(calling_other_functions)
{
char const* sourceCode = "contract collatz {\n"
" function run(uint x) returns(uint y) {\n"
" while ((y = x) > 1) {\n"
" if (x % 2 == 0) x = evenStep(x);\n"
" else x = oddStep(x);\n"
" }\n"
" }\n"
" function evenStep(uint x) returns(uint y) {\n"
" return x / 2;\n"
" }\n"
" function oddStep(uint x) returns(uint y) {\n"
" return 3 * x + 1;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto evenStep_cpp = [](u256 const& n) -> u256
{
return n / 2;
};
auto oddStep_cpp = [](u256 const& n) -> u256
{
return 3 * n + 1;
};
auto collatz_cpp = [&evenStep_cpp, &oddStep_cpp](u256 n) -> u256
{
u256 y;
while ((y = n) > 1)
{
if (n % 2 == 0)
n = evenStep_cpp(n);
else
n = oddStep_cpp(n);
}
return y;
};
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(0));
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(1));
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(2));
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(8));
testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(127));
}
BOOST_AUTO_TEST_CASE(many_local_variables)
{
char const* sourceCode = "contract test {\n"
" function run(uint x1, uint x2, uint x3) returns(uint y) {\n"
" var a = 0x1; var b = 0x10; var c = 0x100;\n"
" y = a + b + c + x1 + x2 + x3;\n"
" y += b + x2;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto f = [](u256 const& x1, u256 const& x2, u256 const& x3) -> u256
{
u256 a = 0x1;
u256 b = 0x10;
u256 c = 0x100;
u256 y = a + b + c + x1 + x2 + x3;
return y + b + x2;
};
testSolidityAgainstCpp("run(uint256,uint256,uint256)", f, u256(0x1000), u256(0x10000), u256(0x100000));
}
BOOST_AUTO_TEST_CASE(packing_unpacking_types)
{
char const* sourceCode = "contract test {\n"
" function run(bool a, uint32 b, uint64 c) returns(uint256 y) {\n"
" if (a) y = 1;\n"
" y = y * 0x100000000 | ~b;\n"
" y = y * 0x10000000000000000 | ~c;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run(bool,uint32,uint64)", true, fromHex("0f0f0f0f"), fromHex("f0f0f0f0f0f0f0f0"))
== fromHex("00000000000000000000000000000000000000""01""f0f0f0f0""0f0f0f0f0f0f0f0f"));
}
BOOST_AUTO_TEST_CASE(packing_signed_types)
{
char const* sourceCode = "contract test {\n"
" function run() returns(int8 y) {\n"
" uint8 x = 0xfa;\n"
" return int8(x);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run()")
== fromHex("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa"));
}
BOOST_AUTO_TEST_CASE(multiple_return_values)
{
char const* sourceCode = "contract test {\n"
" function run(bool x1, uint x2) returns(uint y1, bool y2, uint y3) {\n"
" y1 = x2; y2 = x1;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run(bool,uint256)", true, 0xcd) == encodeArgs(0xcd, true, 0));
}
BOOST_AUTO_TEST_CASE(short_circuiting)
{
char const* sourceCode = "contract test {\n"
" function run(uint x) returns(uint y) {\n"
" x == 0 || ((x = 8) > 0);\n"
" return x;"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto short_circuiting_cpp = [](u256 n) -> u256
{
(void)(n == 0 || (n = 8) > 0);
return n;
};
testSolidityAgainstCppOnRange("run(uint256)", short_circuiting_cpp, 0, 2);
}
BOOST_AUTO_TEST_CASE(high_bits_cleaning)
{
char const* sourceCode = "contract test {\n"
" function run() returns(uint256 y) {\n"
" uint32 t = uint32(0xffffffff);\n"
" uint32 x = t + 10;\n"
" if (x >= 0xffffffff) return 0;\n"
" return x;"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto high_bits_cleaning_cpp = []() -> u256
{
uint32_t t = uint32_t(0xffffffff);
uint32_t x = t + 10;
if (x >= 0xffffffff)
return 0;
return x;
};
testSolidityAgainstCpp("run()", high_bits_cleaning_cpp);
}
BOOST_AUTO_TEST_CASE(sign_extension)
{
char const* sourceCode = "contract test {\n"
" function run() returns(uint256 y) {\n"
" int64 x = -int32(0xff);\n"
" if (x >= 0xff) return 0;\n"
" return -uint256(x);"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto sign_extension_cpp = []() -> u256
{
int64_t x = -int32_t(0xff);
if (x >= 0xff)
return 0;
return u256(x) * -1;
};
testSolidityAgainstCpp("run()", sign_extension_cpp);
}
BOOST_AUTO_TEST_CASE(small_unsigned_types)
{
char const* sourceCode = "contract test {\n"
" function run() returns(uint256 y) {\n"
" uint32 t = uint32(0xffffff);\n"
" uint32 x = t * 0xffffff;\n"
" return x / 0x100;"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto small_unsigned_types_cpp = []() -> u256
{
uint32_t t = uint32_t(0xffffff);
uint32_t x = t * 0xffffff;
return x / 0x100;
};
testSolidityAgainstCpp("run()", small_unsigned_types_cpp);
}
BOOST_AUTO_TEST_CASE(small_signed_types)
{
char const* sourceCode = "contract test {\n"
" function run() returns(int256 y) {\n"
" return -int32(10) * -int64(20);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto small_signed_types_cpp = []() -> u256
{
return -int32_t(10) * -int64_t(20);
};
testSolidityAgainstCpp("run()", small_signed_types_cpp);
}
BOOST_AUTO_TEST_CASE(strings)
{
char const* sourceCode = "contract test {\n"
" function fixed() returns(bytes32 ret) {\n"
" return \"abc\\x00\\xff__\";\n"
" }\n"
" function pipeThrough(bytes2 small, bool one) returns(bytes16 large, bool oneRet) {\n"
" oneRet = one;\n"
" large = small;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("fixed()") == encodeArgs(string("abc\0\xff__", 7)));
BOOST_CHECK(callContractFunction("pipeThrough(bytes2,bool)", string("\0\x02", 2), true) == encodeArgs(string("\0\x2", 2), true));
}
BOOST_AUTO_TEST_CASE(empty_string_on_stack)
{
char const* sourceCode = "contract test {\n"
" function run(bytes0 empty, uint8 inp) returns(uint16 a, bytes0 b, bytes4 c) {\n"
" var x = \"abc\";\n"
" var y = \"\";\n"
" var z = inp;\n"
" a = z; b = y; c = x;"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run(bytes0,uint8)", string(), byte(0x02)) == encodeArgs(0x2, string(""), string("abc\0")));
}
BOOST_AUTO_TEST_CASE(inc_dec_operators)
{
char const* sourceCode = R"(
contract test {
uint8 x;
uint v;
function f() returns (uint r) {
uint a = 6;
r = a;
r += (a++) * 0x10;
r += (++a) * 0x100;
v = 3;
r += (v++) * 0x1000;
r += (++v) * 0x10000;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(0x53866));
}
BOOST_AUTO_TEST_CASE(state_smoke_test)
{
char const* sourceCode = "contract test {\n"
" uint256 value1;\n"
" uint256 value2;\n"
" function get(uint8 which) returns (uint256 value) {\n"
" if (which == 0) return value1;\n"
" else return value2;\n"
" }\n"
" function set(uint8 which, uint256 value) {\n"
" if (which == 0) value1 = value;\n"
" else value2 = value;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(0));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(0));
BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x00), 0x1234) == encodeArgs());
BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x01), 0x8765) == encodeArgs());
BOOST_CHECK(callContractFunction("get(uint8)", byte( 0x00)) == encodeArgs(0x1234));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(0x8765));
BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x00), 0x3) == encodeArgs());
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(0x3));
}
BOOST_AUTO_TEST_CASE(compound_assign)
{
char const* sourceCode = "contract test {\n"
" uint value1;\n"
" uint value2;\n"
" function f(uint x, uint y) returns (uint w) {\n"
" uint value3 = y;"
" value1 += x;\n"
" value3 *= x;"
" value2 *= value3 + value1;\n"
" return value2 += 7;"
" }\n"
"}\n";
compileAndRun(sourceCode);
u256 value1;
u256 value2;
auto f = [&](u256 const& _x, u256 const& _y) -> u256
{
u256 value3 = _y;
value1 += _x;
value3 *= _x;
value2 *= value3 + value1;
return value2 += 7;
};
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(0), u256(6));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(1), u256(3));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(2), u256(25));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(3), u256(69));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(4), u256(84));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(5), u256(2));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(6), u256(51));
testSolidityAgainstCpp("f(uint256,uint256)", f, u256(7), u256(48));
}
BOOST_AUTO_TEST_CASE(simple_mapping)
{
char const* sourceCode = "contract test {\n"
" mapping(uint8 => uint8) table;\n"
" function get(uint8 k) returns (uint8 v) {\n"
" return table[k];\n"
" }\n"
" function set(uint8 k, uint8 v) {\n"
" table[k] = v;\n"
" }\n"
"}";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("get(uint8)", byte(0)) == encodeArgs(byte(0x00)));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x00)));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
callContractFunction("set(uint8,uint8)", byte(0x01), byte(0xa1));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0x00)));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0xa1)));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
callContractFunction("set(uint8,uint8)", byte(0x00), byte(0xef));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0xef)));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0xa1)));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
callContractFunction("set(uint8,uint8)", byte(0x01), byte(0x05));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0xef)));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x05)));
BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
}
BOOST_AUTO_TEST_CASE(mapping_state)
{
char const* sourceCode = "contract Ballot {\n"
" mapping(address => bool) canVote;\n"
" mapping(address => uint) voteCount;\n"
" mapping(address => bool) voted;\n"
" function getVoteCount(address addr) returns (uint retVoteCount) {\n"
" return voteCount[addr];\n"
" }\n"
" function grantVoteRight(address addr) {\n"
" canVote[addr] = true;\n"
" }\n"
" function vote(address voter, address vote) returns (bool success) {\n"
" if (!canVote[voter] || voted[voter]) return false;\n"
" voted[voter] = true;\n"
" voteCount[vote] = voteCount[vote] + 1;\n"
" return true;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
class Ballot
{
public:
u256 getVoteCount(u160 _address) { return m_voteCount[_address]; }
void grantVoteRight(u160 _address) { m_canVote[_address] = true; }
bool vote(u160 _voter, u160 _vote)
{
if (!m_canVote[_voter] || m_voted[_voter]) return false;
m_voted[_voter] = true;
m_voteCount[_vote]++;
return true;
}
private:
map<u160, bool> m_canVote;
map<u160, u256> m_voteCount;
map<u160, bool> m_voted;
} ballot;
auto getVoteCount = bind(&Ballot::getVoteCount, &ballot, _1);
auto grantVoteRight = bind(&Ballot::grantVoteRight, &ballot, _1);
auto vote = bind(&Ballot::vote, &ballot, _1, _2);
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// voting without vote right should be rejected
testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(2));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// grant vote rights
testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(0));
testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(1));
// vote, should increase 2's vote count
testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(2));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// vote again, should be rejected
testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// vote without right to vote
testSolidityAgainstCpp("vote(address,address)", vote, u160(2), u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// grant vote right and now vote again
testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(2));
testSolidityAgainstCpp("vote(address,address)", vote, u160(2), u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
}
BOOST_AUTO_TEST_CASE(mapping_state_inc_dec)
{
char const* sourceCode = "contract test {\n"
" uint value;\n"
" mapping(uint => uint) table;\n"
" function f(uint x) returns (uint y) {\n"
" value = x;\n"
" if (x > 0) table[++value] = 8;\n"
" if (x > 1) value--;\n"
" if (x > 2) table[value]++;\n"
" return --table[value++];\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
u256 value = 0;
map<u256, u256> table;
auto f = [&](u256 const& _x) -> u256
{
value = _x;
if (_x > 0)
table[++value] = 8;
if (_x > 1)
value --;
if (_x > 2)
table[value]++;
return --table[value++];
};
testSolidityAgainstCppOnRange("f(uint256)", f, 0, 5);
}
BOOST_AUTO_TEST_CASE(multi_level_mapping)
{
char const* sourceCode = "contract test {\n"
" mapping(uint => mapping(uint => uint)) table;\n"
" function f(uint x, uint y, uint z) returns (uint w) {\n"
" if (z == 0) return table[x][y];\n"
" else return table[x][y] = z;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
map<u256, map<u256, u256>> table;
auto f = [&](u256 const& _x, u256 const& _y, u256 const& _z) -> u256
{
if (_z == 0) return table[_x][_y];
else return table[_x][_y] = _z;
};
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(9));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(7));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
}
BOOST_AUTO_TEST_CASE(structs)
{
char const* sourceCode = "contract test {\n"
" struct s1 {\n"
" uint8 x;\n"
" bool y;\n"
" }\n"
" struct s2 {\n"
" uint32 z;\n"
" s1 s1data;\n"
" mapping(uint8 => s2) recursive;\n"
" }\n"
" s2 data;\n"
" function check() returns (bool ok) {\n"
" return data.z == 1 && data.s1data.x == 2 && \n"
" data.s1data.y == true && \n"
" data.recursive[3].recursive[4].z == 5 && \n"
" data.recursive[4].recursive[3].z == 6 && \n"
" data.recursive[0].s1data.y == false && \n"
" data.recursive[4].z == 9;\n"
" }\n"
" function set() {\n"
" data.z = 1;\n"
" data.s1data.x = 2;\n"
" data.s1data.y = true;\n"
" data.recursive[3].recursive[4].z = 5;\n"
" data.recursive[4].recursive[3].z = 6;\n"
" data.recursive[0].s1data.y = false;\n"
" data.recursive[4].z = 9;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("check()") == encodeArgs(false));
BOOST_CHECK(callContractFunction("set()") == bytes());
BOOST_CHECK(callContractFunction("check()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(struct_reference)
{
char const* sourceCode = "contract test {\n"
" struct s2 {\n"
" uint32 z;\n"
" mapping(uint8 => s2) recursive;\n"
" }\n"
" s2 data;\n"
" function check() returns (bool ok) {\n"
" return data.z == 2 && \n"
" data.recursive[0].z == 3 && \n"
" data.recursive[0].recursive[1].z == 0 && \n"
" data.recursive[0].recursive[0].z == 1;\n"
" }\n"
" function set() {\n"
" data.z = 2;\n"
" var map = data.recursive;\n"
" s2 inner = map[0];\n"
" inner.z = 3;\n"
" inner.recursive[0].z = inner.recursive[1].z + 1;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("check()") == encodeArgs(false));
BOOST_CHECK(callContractFunction("set()") == bytes());
BOOST_CHECK(callContractFunction("check()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(deleteStruct)
{
char const* sourceCode = R"(
contract test {
struct topStruct {
nestedStruct nstr;
emptyStruct empty;
uint topValue;
mapping (uint => uint) topMapping;
}
uint toDelete;
topStruct str;
struct nestedStruct {
uint nestedValue;
mapping (uint => bool) nestedMapping;
}
struct emptyStruct{
}
function test(){
toDelete = 5;
str.topValue = 1;
str.topMapping[0] = 1;
str.topMapping[1] = 2;
str.nstr.nestedValue = 2;
str.nstr.nestedMapping[0] = true;
str.nstr.nestedMapping[1] = false;
delete str;
delete toDelete;
}
function getToDelete() returns (uint res){
res = toDelete;
}
function getTopValue() returns(uint topValue){
topValue = str.topValue;
}
function getNestedValue() returns(uint nestedValue){
nestedValue = str.nstr.nestedValue;
}
function getTopMapping(uint index) returns(uint ret) {
ret = str.topMapping[index];
}
function getNestedMapping(uint index) returns(bool ret) {
return str.nstr.nestedMapping[index];
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getToDelete()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("getTopValue()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("getNestedValue()") == encodeArgs(0));
// mapping values should be the same
BOOST_CHECK(callContractFunction("getTopMapping(uint256)", 0) == encodeArgs(1));
BOOST_CHECK(callContractFunction("getTopMapping(uint256)", 1) == encodeArgs(2));
BOOST_CHECK(callContractFunction("getNestedMapping(uint256)", 0) == encodeArgs(true));
BOOST_CHECK(callContractFunction("getNestedMapping(uint256)", 1) == encodeArgs(false));
}
BOOST_AUTO_TEST_CASE(deleteLocal)
{
char const* sourceCode = R"(
contract test {
function delLocal() returns (uint res){
uint v = 5;
delete v;
res = v;
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("delLocal()") == encodeArgs(0));
}
BOOST_AUTO_TEST_CASE(deleteLocals)
{
char const* sourceCode = R"(
contract test {
function delLocal() returns (uint res1, uint res2){
uint v = 5;
uint w = 6;
uint x = 7;
delete v;
res1 = w;
res2 = x;
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("delLocal()") == encodeArgs(6, 7));
}
BOOST_AUTO_TEST_CASE(constructor)
{
char const* sourceCode = "contract test {\n"
" mapping(uint => uint) data;\n"
" function test() {\n"
" data[7] = 8;\n"
" }\n"
" function get(uint key) returns (uint value) {\n"
" return data[key];"
" }\n"
"}\n";
compileAndRun(sourceCode);
map<u256, byte> data;
data[7] = 8;
auto get = [&](u256 const& _x) -> u256
{
return data[_x];
};
testSolidityAgainstCpp("get(uint256)", get, u256(6));
testSolidityAgainstCpp("get(uint256)", get, u256(7));
}
BOOST_AUTO_TEST_CASE(simple_accessor)
{
char const* sourceCode = "contract test {\n"
" uint256 public data;\n"
" function test() {\n"
" data = 8;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("data()") == encodeArgs(8));
}
BOOST_AUTO_TEST_CASE(array_accessor)
{
char const* sourceCode = R"(
contract test {
uint[8] public data;
uint[] public dynamicData;
uint24[] public smallTypeData;
struct st { uint a; uint[] finalArray; }
mapping(uint256 => mapping(uint256 => st[5])) public multiple_map;
function test() {
data[0] = 8;
dynamicData.length = 3;
dynamicData[2] = 8;
smallTypeData.length = 128;
smallTypeData[1] = 22;
smallTypeData[127] = 2;
multiple_map[2][1][2].a = 3;
multiple_map[2][1][2].finalArray.length = 4;
multiple_map[2][1][2].finalArray[3] = 5;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("data(uint256)", 0) == encodeArgs(8));
BOOST_CHECK(callContractFunction("data(uint256)", 8) == encodeArgs());
BOOST_CHECK(callContractFunction("dynamicData(uint256)", 2) == encodeArgs(8));
BOOST_CHECK(callContractFunction("dynamicData(uint256)", 8) == encodeArgs());
BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 1) == encodeArgs(22));
BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 127) == encodeArgs(2));
BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 128) == encodeArgs());
BOOST_CHECK(callContractFunction("multiple_map(uint256,uint256,uint256)", 2, 1, 2) == encodeArgs(3));
}
BOOST_AUTO_TEST_CASE(accessors_mapping_for_array)
{
char const* sourceCode = R"(
contract test {
mapping(uint => uint[8]) public data;
mapping(uint => uint[]) public dynamicData;
function test() {
data[2][2] = 8;
dynamicData[2].length = 3;
dynamicData[2][2] = 8;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("data(uint256,uint256)", 2, 2) == encodeArgs(8));
BOOST_CHECK(callContractFunction("data(uint256, 256)", 2, 8) == encodeArgs());
BOOST_CHECK(callContractFunction("dynamicData(uint256,uint256)", 2, 2) == encodeArgs(8));
BOOST_CHECK(callContractFunction("dynamicData(uint256,uint256)", 2, 8) == encodeArgs());
}
BOOST_AUTO_TEST_CASE(multiple_elementary_accessors)
{
char const* sourceCode = "contract test {\n"
" uint256 public data;\n"
" bytes6 public name;\n"
" bytes32 public a_hash;\n"
" address public an_address;\n"
" function test() {\n"
" data = 8;\n"
" name = \"Celina\";\n"
" a_hash = sha3(123);\n"
" an_address = address(0x1337);\n"
" super_secret_data = 42;\n"
" }\n"
" uint256 super_secret_data;"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("data()") == encodeArgs(8));
BOOST_CHECK(callContractFunction("name()") == encodeArgs("Celina"));
BOOST_CHECK(callContractFunction("a_hash()") == encodeArgs(dev::sha3(bytes(1, 0x7b))));
BOOST_CHECK(callContractFunction("an_address()") == encodeArgs(toBigEndian(u160(0x1337))));
BOOST_CHECK(callContractFunction("super_secret_data()") == bytes());
}
BOOST_AUTO_TEST_CASE(complex_accessors)
{
char const* sourceCode = R"(
contract test {
mapping(uint256 => bytes4) public to_string_map;
mapping(uint256 => bool) public to_bool_map;
mapping(uint256 => uint256) public to_uint_map;
mapping(uint256 => mapping(uint256 => uint256)) public to_multiple_map;
function test() {
to_string_map[42] = "24";
to_bool_map[42] = false;
to_uint_map[42] = 12;
to_multiple_map[42][23] = 31;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("to_string_map(uint256)", 42) == encodeArgs("24"));
BOOST_CHECK(callContractFunction("to_bool_map(uint256)", 42) == encodeArgs(false));
BOOST_CHECK(callContractFunction("to_uint_map(uint256)", 42) == encodeArgs(12));
BOOST_CHECK(callContractFunction("to_multiple_map(uint256,uint256)", 42, 23) == encodeArgs(31));
}
BOOST_AUTO_TEST_CASE(struct_accessor)
{
char const* sourceCode = R"(
contract test {
struct Data { uint a; uint8 b; mapping(uint => uint) c; bool d; }
mapping(uint => Data) public data;
function test() {
data[7].a = 1;
data[7].b = 2;
data[7].c[0] = 3;
data[7].d = true;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("data(uint256)", 7) == encodeArgs(1, 2, true));
}
BOOST_AUTO_TEST_CASE(balance)
{
char const* sourceCode = "contract test {\n"
" function getBalance() returns (uint256 balance) {\n"
" return address(this).balance;\n"
" }\n"
"}\n";
compileAndRun(sourceCode, 23);
BOOST_CHECK(callContractFunction("getBalance()") == encodeArgs(23));
}
BOOST_AUTO_TEST_CASE(blockchain)
{
char const* sourceCode = "contract test {\n"
" function someInfo() returns (uint256 value, address coinbase, uint256 blockNumber) {\n"
" value = msg.value;\n"
" coinbase = block.coinbase;\n"
" blockNumber = block.number;\n"
" }\n"
"}\n";
compileAndRun(sourceCode, 27);
BOOST_CHECK(callContractFunctionWithValue("someInfo()", 28) == encodeArgs(28, 0, 1));
}
BOOST_AUTO_TEST_CASE(msg_sig)
{
char const* sourceCode = R"(
contract test {
function foo(uint256 a) returns (bytes4 value) {
return msg.sig;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunctionWithValue("foo(uint256)", 13) == encodeArgs(asString(FixedHash<4>(dev::sha3("foo(uint256)")).asBytes())));
}
BOOST_AUTO_TEST_CASE(msg_sig_after_internal_call_is_same)
{
char const* sourceCode = R"(
contract test {
function boo() returns (bytes4 value) {
return msg.sig;
}
function foo(uint256 a) returns (bytes4 value) {
return boo();
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunctionWithValue("foo(uint256)", 13) == encodeArgs(asString(FixedHash<4>(dev::sha3("foo(uint256)")).asBytes())));
}
BOOST_AUTO_TEST_CASE(now)
{
char const* sourceCode = "contract test {\n"
" function someInfo() returns (bool success) {\n"
" return block.timestamp == now && now > 0;\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("someInfo()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(type_conversions_cleanup)
{
// 22-byte integer converted to a contract (i.e. address, 20 bytes), converted to a 32 byte
// integer should drop the first two bytes
char const* sourceCode = R"(
contract Test {
function test() returns (uint ret) { return uint(address(Test(address(0x11223344556677889900112233445566778899001122)))); }
})";
compileAndRun(sourceCode);
BOOST_REQUIRE(callContractFunction("test()") == bytes({0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0x00, 0x11, 0x22,
0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0x00, 0x11, 0x22}));
}
// fixed bytes to fixed bytes conversion tests
BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_smaller_size)
{
char const* sourceCode = R"(
contract Test {
function bytesToBytes(bytes4 input) returns (bytes2 ret) {
return bytes2(input);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("bytesToBytes(bytes4)", "abcd") == encodeArgs("ab"));
}
BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_greater_size)
{
char const* sourceCode = R"(
contract Test {
function bytesToBytes(bytes2 input) returns (bytes4 ret) {
return bytes4(input);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("bytesToBytes(bytes2)", "ab") == encodeArgs("ab"));
}
BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_same_size)
{
char const* sourceCode = R"(
contract Test {
function bytesToBytes(bytes4 input) returns (bytes4 ret) {
return bytes4(input);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("bytesToBytes(bytes4)", "abcd") == encodeArgs("abcd"));
}
// fixed bytes to uint conversion tests
BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_same_size)
{
char const* sourceCode = R"(
contract Test {
function bytesToUint(bytes32 s) returns (uint256 h) {
return uint(s);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("bytesToUint(bytes32)", string("abc2")) ==
encodeArgs(u256("0x6162633200000000000000000000000000000000000000000000000000000000")));
}
BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_same_min_size)
{
char const* sourceCode = R"(
contract Test {
function bytesToUint(bytes1 s) returns (uint8 h) {
return uint8(s);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("bytesToUint(bytes1)", string("a")) ==
encodeArgs(u256("0x61")));
}
BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_smaller_size)
{
char const* sourceCode = R"(
contract Test {
function bytesToUint(bytes4 s) returns (uint16 h) {
return uint16(s);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("bytesToUint(bytes4)", string("abcd")) ==
encodeArgs(u256("0x6364")));
}
BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_greater_size)
{
char const* sourceCode = R"(
contract Test {
function bytesToUint(bytes4 s) returns (uint64 h) {
return uint64(s);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("bytesToUint(bytes4)", string("abcd")) ==
encodeArgs(u256("0x61626364")));
}
// uint fixed bytes conversion tests
BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_same_size)
{
char const* sourceCode = R"(
contract Test {
function uintToBytes(uint256 h) returns (bytes32 s) {
return bytes32(h);
}
})";
compileAndRun(sourceCode);
u256 a("0x6162630000000000000000000000000000000000000000000000000000000000");
BOOST_CHECK(callContractFunction("uintToBytes(uint256)", a) == encodeArgs(a));
}
BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_same_min_size)
{
char const* sourceCode = R"(
contract Test {
function UintToBytes(uint8 h) returns (bytes1 s) {
return bytes1(h);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("UintToBytes(uint8)", u256("0x61")) ==
encodeArgs(string("a")));
}
BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_smaller_size)
{
char const* sourceCode = R"(
contract Test {
function uintToBytes(uint32 h) returns (bytes2 s) {
return bytes2(h);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("uintToBytes(uint32)",
u160("0x61626364")) == encodeArgs(string("cd")));
}
BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_greater_size)
{
char const* sourceCode = R"(
contract Test {
function UintToBytes(uint16 h) returns (bytes8 s) {
return bytes8(h);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("UintToBytes(uint16)", u256("0x6162")) ==
encodeArgs(string("\0\0\0\0\0\0ab", 8)));
}
BOOST_AUTO_TEST_CASE(send_ether)
{
char const* sourceCode = "contract test {\n"
" function a(address addr, uint amount) returns (uint ret) {\n"
" addr.send(amount);\n"
" return address(this).balance;\n"
" }\n"
"}\n";
u256 amount(130);
compileAndRun(sourceCode, amount + 1);
u160 address(23);
BOOST_CHECK(callContractFunction("a(address,uint256)", address, amount) == encodeArgs(1));
BOOST_CHECK_EQUAL(m_state.balance(address), amount);
}
BOOST_AUTO_TEST_CASE(log0)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log0(1);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 0);
}
BOOST_AUTO_TEST_CASE(log1)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log1(1, 2);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(u256(2)));
}
BOOST_AUTO_TEST_CASE(log2)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log2(1, 2, 3);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 2);
for (unsigned i = 0; i < 2; ++i)
BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
}
BOOST_AUTO_TEST_CASE(log3)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log3(1, 2, 3, 4);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 3);
for (unsigned i = 0; i < 3; ++i)
BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
}
BOOST_AUTO_TEST_CASE(log4)
{
char const* sourceCode = "contract test {\n"
" function a() {\n"
" log4(1, 2, 3, 4, 5);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
callContractFunction("a()");
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 4);
for (unsigned i = 0; i < 4; ++i)
BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
}
BOOST_AUTO_TEST_CASE(log_in_constructor)
{
char const* sourceCode = "contract test {\n"
" function test() {\n"
" log1(1, 2);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
BOOST_CHECK_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(u256(2)));
}
BOOST_AUTO_TEST_CASE(suicide)
{
char const* sourceCode = "contract test {\n"
" function a(address receiver) returns (uint ret) {\n"
" suicide(receiver);\n"
" return 10;\n"
" }\n"
"}\n";
u256 amount(130);
compileAndRun(sourceCode, amount);
u160 address(23);
BOOST_CHECK(callContractFunction("a(address)", address) == bytes());
BOOST_CHECK(!m_state.addressHasCode(m_contractAddress));
BOOST_CHECK_EQUAL(m_state.balance(address), amount);
}
BOOST_AUTO_TEST_CASE(sha3)
{
char const* sourceCode = "contract test {\n"
" function a(bytes32 input) returns (bytes32 sha3hash) {\n"
" return sha3(input);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto f = [&](u256 const& _x) -> u256
{
return dev::sha3(toBigEndian(_x));
};
testSolidityAgainstCpp("a(bytes32)", f, u256(4));
testSolidityAgainstCpp("a(bytes32)", f, u256(5));
testSolidityAgainstCpp("a(bytes32)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(sha256)
{
char const* sourceCode = "contract test {\n"
" function a(bytes32 input) returns (bytes32 sha256hash) {\n"
" return sha256(input);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto f = [&](u256 const& _input) -> u256
{
h256 ret;
dev::sha256(dev::ref(toBigEndian(_input)), bytesRef(&ret[0], 32));
return ret;
};
testSolidityAgainstCpp("a(bytes32)", f, u256(4));
testSolidityAgainstCpp("a(bytes32)", f, u256(5));
testSolidityAgainstCpp("a(bytes32)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(ripemd)
{
char const* sourceCode = "contract test {\n"
" function a(bytes32 input) returns (bytes32 sha256hash) {\n"
" return ripemd160(input);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
auto f = [&](u256 const& _input) -> u256
{
h256 ret;
dev::ripemd160(dev::ref(toBigEndian(_input)), bytesRef(&ret[0], 32));
return u256(ret) >> (256 - 160);
};
testSolidityAgainstCpp("a(bytes32)", f, u256(4));
testSolidityAgainstCpp("a(bytes32)", f, u256(5));
testSolidityAgainstCpp("a(bytes32)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(ecrecover)
{
char const* sourceCode = "contract test {\n"
" function a(bytes32 h, uint8 v, bytes32 r, bytes32 s) returns (address addr) {\n"
" return ecrecover(h, v, r, s);\n"
" }\n"
"}\n";
compileAndRun(sourceCode);
u256 h("0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c");
byte v = 28;
u256 r("0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f");
u256 s("0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549");
u160 addr("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b");
BOOST_CHECK(callContractFunction("a(bytes32,uint8,bytes32,bytes32)", h, v, r, s) == encodeArgs(addr));
}
BOOST_AUTO_TEST_CASE(inter_contract_calls)
{
char const* sourceCode = R"(
contract Helper {
function multiply(uint a, uint b) returns (uint c) {
return a * b;
}
}
contract Main {
Helper h;
function callHelper(uint a, uint b) returns (uint c) {
return h.multiply(a, b);
}
function getHelper() returns (address haddress) {
return address(h);
}
function setHelper(address haddress) {
h = Helper(haddress);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const c_helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
u256 a(3456789);
u256 b("0x282837623374623234aa74");
BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b));
}
BOOST_AUTO_TEST_CASE(inter_contract_calls_with_complex_parameters)
{
char const* sourceCode = R"(
contract Helper {
function sel(uint a, bool select, uint b) returns (uint c) {
if (select) return a; else return b;
}
}
contract Main {
Helper h;
function callHelper(uint a, bool select, uint b) returns (uint c) {
return h.sel(a, select, b) * 3;
}
function getHelper() returns (address haddress) {
return address(h);
}
function setHelper(address haddress) {
h = Helper(haddress);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const c_helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
u256 a(3456789);
u256 b("0x282837623374623234aa74");
BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, true, b) == encodeArgs(a * 3));
BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, false, b) == encodeArgs(b * 3));
}
BOOST_AUTO_TEST_CASE(inter_contract_calls_accessing_this)
{
char const* sourceCode = R"(
contract Helper {
function getAddress() returns (address addr) {
return address(this);
}
}
contract Main {
Helper h;
function callHelper() returns (address addr) {
return h.getAddress();
}
function getHelper() returns (address addr) {
return address(h);
}
function setHelper(address addr) {
h = Helper(addr);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const c_helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
BOOST_REQUIRE(callContractFunction("callHelper()") == encodeArgs(c_helperAddress));
}
BOOST_AUTO_TEST_CASE(calls_to_this)
{
char const* sourceCode = R"(
contract Helper {
function invoke(uint a, uint b) returns (uint c) {
return this.multiply(a, b, 10);
}
function multiply(uint a, uint b, uint8 c) returns (uint ret) {
return a * b + c;
}
}
contract Main {
Helper h;
function callHelper(uint a, uint b) returns (uint ret) {
return h.invoke(a, b);
}
function getHelper() returns (address addr) {
return address(h);
}
function setHelper(address addr) {
h = Helper(addr);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const c_helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
u256 a(3456789);
u256 b("0x282837623374623234aa74");
BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b + 10));
}
BOOST_AUTO_TEST_CASE(inter_contract_calls_with_local_vars)
{
// note that a reference to another contract's function occupies two stack slots,
// so this tests correct stack slot allocation
char const* sourceCode = R"(
contract Helper {
function multiply(uint a, uint b) returns (uint c) {
return a * b;
}
}
contract Main {
Helper h;
function callHelper(uint a, uint b) returns (uint c) {
var fu = h.multiply;
var y = 9;
var ret = fu(a, b);
return ret + y;
}
function getHelper() returns (address haddress) {
return address(h);
}
function setHelper(address haddress) {
h = Helper(haddress);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const c_helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
u256 a(3456789);
u256 b("0x282837623374623234aa74");
BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b + 9));
}
BOOST_AUTO_TEST_CASE(fixed_bytes_in_calls)
{
char const* sourceCode = R"(
contract Helper {
function invoke(bytes3 x, bool stop) returns (bytes4 ret) {
return x;
}
}
contract Main {
Helper h;
function callHelper(bytes2 x, bool stop) returns (bytes5 ret) {
return h.invoke(x, stop);
}
function getHelper() returns (address addr) {
return address(h);
}
function setHelper(address addr) {
h = Helper(addr);
}
})";
compileAndRun(sourceCode, 0, "Helper");
u160 const c_helperAddress = m_contractAddress;
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
BOOST_CHECK(callContractFunction("callHelper(bytes2,bool)", string("\0a", 2), true) == encodeArgs(string("\0a\0\0\0", 5)));
}
BOOST_AUTO_TEST_CASE(constructor_arguments)
{
char const* sourceCode = R"(
contract Helper {
bytes3 name;
bool flag;
function Helper(bytes3 x, bool f) {
name = x;
flag = f;
}
function getName() returns (bytes3 ret) { return name; }
function getFlag() returns (bool ret) { return flag; }
}
contract Main {
Helper h;
function Main() {
h = new Helper("abc", true);
}
function getFlag() returns (bool ret) { return h.getFlag(); }
function getName() returns (bytes3 ret) { return h.getName(); }
})";
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("getFlag()") == encodeArgs(true));
BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc"));
}
BOOST_AUTO_TEST_CASE(functions_called_by_constructor)
{
char const* sourceCode = R"(
contract Test {
bytes3 name;
bool flag;
function Test() {
setName("abc");
}
function getName() returns (bytes3 ret) { return name; }
function setName(bytes3 _name) private { name = _name; }
})";
compileAndRun(sourceCode);
BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc"));
}
BOOST_AUTO_TEST_CASE(contracts_as_addresses)
{
char const* sourceCode = R"(
contract helper {
}
contract test {
helper h;
function test() { h = new helper(); h.send(5); }
function getBalance() returns (uint256 myBalance, uint256 helperBalance) {
myBalance = this.balance;
helperBalance = h.balance;
}
}
)";
compileAndRun(sourceCode, 20);
BOOST_REQUIRE(callContractFunction("getBalance()") == encodeArgs(u256(20 - 5), u256(5)));
}
BOOST_AUTO_TEST_CASE(gas_and_value_basic)
{
char const* sourceCode = R"(
contract helper {
bool flag;
function getBalance() returns (uint256 myBalance) {
return this.balance;
}
function setFlag() { flag = true; }
function getFlag() returns (bool fl) { return flag; }
}
contract test {
helper h;
function test() { h = new helper(); }
function sendAmount(uint amount) returns (uint256 bal) {
return h.getBalance.value(amount)();
}
function outOfGas() returns (bool ret) {
h.setFlag.gas(2)(); // should fail due to OOG
return true;
}
function checkState() returns (bool flagAfter, uint myBal) {
flagAfter = h.getFlag();
myBal = this.balance;
}
}
)";
compileAndRun(sourceCode, 20);
BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(5));
// call to helper should not succeed but amount should be transferred anyway
BOOST_REQUIRE(callContractFunction("outOfGas()", 5) == bytes());
BOOST_REQUIRE(callContractFunction("checkState()", 5) == encodeArgs(false, 20 - 5));
}
BOOST_AUTO_TEST_CASE(gas_for_builtin)
{
char const* sourceCode = R"(
contract Contract {
function test(uint g) returns (bytes32 data, bool flag) {
data = ripemd160.gas(g)("abc");
flag = true;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test(uint256)", 500) == bytes());
BOOST_CHECK(callContractFunction("test(uint256)", 800) == encodeArgs(u256("0x8eb208f7e05d987a9b044a8e98c6b087f15a0bfc"), true));
}
BOOST_AUTO_TEST_CASE(value_complex)
{
char const* sourceCode = R"(
contract helper {
function getBalance() returns (uint256 myBalance) {
return this.balance;
}
}
contract test {
helper h;
function test() { h = new helper(); }
function sendAmount(uint amount) returns (uint256 bal) {
var x1 = h.getBalance.value(amount);
uint someStackElement = 20;
var x2 = x1.gas(1000);
return x2.value(amount + 3)();// overwrite value
}
}
)";
compileAndRun(sourceCode, 20);
BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(8));
}
BOOST_AUTO_TEST_CASE(value_insane)
{
char const* sourceCode = R"(
contract helper {
function getBalance() returns (uint256 myBalance) {
return this.balance;
}
}
contract test {
helper h;
function test() { h = new helper(); }
function sendAmount(uint amount) returns (uint256 bal) {
var x1 = h.getBalance.value;
var x2 = x1(amount).gas;
var x3 = x2(1000).value;
return x3(amount + 3)();// overwrite value
}
}
)";
compileAndRun(sourceCode, 20);
BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(8));
}
BOOST_AUTO_TEST_CASE(value_for_constructor)
{
char const* sourceCode = R"(
contract Helper {
bytes3 name;
bool flag;
function Helper(bytes3 x, bool f) {
name = x;
flag = f;
}
function getName() returns (bytes3 ret) { return name; }
function getFlag() returns (bool ret) { return flag; }
}
contract Main {
Helper h;
function Main() {
h = new Helper.value(10)("abc", true);
}
function getFlag() returns (bool ret) { return h.getFlag(); }
function getName() returns (bytes3 ret) { return h.getName(); }
function getBalances() returns (uint me, uint them) { me = this.balance; them = h.balance;}
})";
compileAndRun(sourceCode, 22, "Main");
BOOST_REQUIRE(callContractFunction("getFlag()") == encodeArgs(true));
BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc"));
BOOST_REQUIRE(callContractFunction("getBalances()") == encodeArgs(12, 10));
}
BOOST_AUTO_TEST_CASE(virtual_function_calls)
{
char const* sourceCode = R"(
contract Base {
function f() returns (uint i) { return g(); }
function g() returns (uint i) { return 1; }
}
contract Derived is Base {
function g() returns (uint i) { return 2; }
}
)";
compileAndRun(sourceCode, 0, "Derived");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(2));
BOOST_CHECK(callContractFunction("f()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(access_base_storage)
{
char const* sourceCode = R"(
contract Base {
uint dataBase;
function getViaBase() returns (uint i) { return dataBase; }
}
contract Derived is Base {
uint dataDerived;
function setData(uint base, uint derived) returns (bool r) {
dataBase = base;
dataDerived = derived;
return true;
}
function getViaDerived() returns (uint base, uint derived) {
base = dataBase;
derived = dataDerived;
}
}
)";
compileAndRun(sourceCode, 0, "Derived");
BOOST_CHECK(callContractFunction("setData(uint256,uint256)", 1, 2) == encodeArgs(true));
BOOST_CHECK(callContractFunction("getViaBase()") == encodeArgs(1));
BOOST_CHECK(callContractFunction("getViaDerived()") == encodeArgs(1, 2));
}
BOOST_AUTO_TEST_CASE(single_copy_with_multiple_inheritance)
{
char const* sourceCode = R"(
contract Base {
uint data;
function setData(uint i) { data = i; }
function getViaBase() returns (uint i) { return data; }
}
contract A is Base { function setViaA(uint i) { setData(i); } }
contract B is Base { function getViaB() returns (uint i) { return getViaBase(); } }
contract Derived is Base, B, A { }
)";
compileAndRun(sourceCode, 0, "Derived");
BOOST_CHECK(callContractFunction("getViaB()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("setViaA(uint256)", 23) == encodeArgs());
BOOST_CHECK(callContractFunction("getViaB()") == encodeArgs(23));
}
BOOST_AUTO_TEST_CASE(explicit_base_cass)
{
char const* sourceCode = R"(
contract BaseBase { function g() returns (uint r) { return 1; } }
contract Base is BaseBase { function g() returns (uint r) { return 2; } }
contract Derived is Base {
function f() returns (uint r) { return BaseBase.g(); }
function g() returns (uint r) { return 3; }
}
)";
compileAndRun(sourceCode, 0, "Derived");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(3));
BOOST_CHECK(callContractFunction("f()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(base_constructor_arguments)
{
char const* sourceCode = R"(
contract BaseBase {
uint m_a;
function BaseBase(uint a) {
m_a = a;
}
}
contract Base is BaseBase(7) {
function Base() {
m_a *= m_a;
}
}
contract Derived is Base() {
function getA() returns (uint r) { return m_a; }
}
)";
compileAndRun(sourceCode, 0, "Derived");
BOOST_CHECK(callContractFunction("getA()") == encodeArgs(7 * 7));
}
BOOST_AUTO_TEST_CASE(function_usage_in_constructor_arguments)
{
char const* sourceCode = R"(
contract BaseBase {
uint m_a;
function BaseBase(uint a) {
m_a = a;
}
function g() returns (uint r) { return 2; }
}
contract Base is BaseBase(BaseBase.g()) {
}
contract Derived is Base() {
function getA() returns (uint r) { return m_a; }
}
)";
compileAndRun(sourceCode, 0, "Derived");
BOOST_CHECK(callContractFunction("getA()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(virtual_function_usage_in_constructor_arguments)
{
char const* sourceCode = R"(
contract BaseBase {
uint m_a;
function BaseBase(uint a) {
m_a = a;
}
function overridden() returns (uint r) { return 1; }
function g() returns (uint r) { return overridden(); }
}
contract Base is BaseBase(BaseBase.g()) {
}
contract Derived is Base() {
function getA() returns (uint r) { return m_a; }
function overridden() returns (uint r) { return 2; }
}
)";
compileAndRun(sourceCode, 0, "Derived");
BOOST_CHECK(callContractFunction("getA()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(constructor_argument_overriding)
{
char const* sourceCode = R"(
contract BaseBase {
uint m_a;
function BaseBase(uint a) {
m_a = a;
}
}
contract Base is BaseBase(2) { }
contract Derived is BaseBase(3), Base {
function getA() returns (uint r) { return m_a; }
}
)";
compileAndRun(sourceCode, 0, "Derived");
BOOST_CHECK(callContractFunction("getA()") == encodeArgs(3));
}
BOOST_AUTO_TEST_CASE(function_modifier)
{
char const* sourceCode = R"(
contract C {
function getOne() nonFree returns (uint r) { return 1; }
modifier nonFree { if (msg.value > 0) _ }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getOne()") == encodeArgs(0));
BOOST_CHECK(callContractFunctionWithValue("getOne()", 1) == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(function_modifier_local_variables)
{
char const* sourceCode = R"(
contract C {
modifier mod1 { var a = 1; var b = 2; _ }
modifier mod2(bool a) { if (a) return; else _ }
function f(bool a) mod1 mod2(a) returns (uint r) { return 3; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(0));
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(3));
}
BOOST_AUTO_TEST_CASE(function_modifier_loop)
{
char const* sourceCode = R"(
contract C {
modifier repeat(uint count) { for (var i = 0; i < count; ++i) _ }
function f() repeat(10) returns (uint r) { r += 1; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(10));
}
BOOST_AUTO_TEST_CASE(function_modifier_multi_invocation)
{
char const* sourceCode = R"(
contract C {
modifier repeat(bool twice) { if (twice) _ _ }
function f(bool twice) repeat(twice) returns (uint r) { r += 1; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(1));
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(function_modifier_multi_with_return)
{
// Here, the explicit return prevents the second execution
char const* sourceCode = R"(
contract C {
modifier repeat(bool twice) { if (twice) _ _ }
function f(bool twice) repeat(twice) returns (uint r) { r += 1; return r; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(1));
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(function_modifier_overriding)
{
char const* sourceCode = R"(
contract A {
function f() mod returns (bool r) { return true; }
modifier mod { _ }
}
contract C is A {
modifier mod { }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(false));
}
BOOST_AUTO_TEST_CASE(function_modifier_calling_functions_in_creation_context)
{
char const* sourceCode = R"(
contract A {
uint data;
function A() mod1 { f1(); }
function f1() mod2 { data |= 0x1; }
function f2() { data |= 0x20; }
function f3() { }
modifier mod1 { f2(); _ }
modifier mod2 { f3(); }
function getData() returns (uint r) { return data; }
}
contract C is A {
modifier mod1 { f4(); _ }
function f3() { data |= 0x300; }
function f4() { data |= 0x4000; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0x4300));
}
BOOST_AUTO_TEST_CASE(function_modifier_for_constructor)
{
char const* sourceCode = R"(
contract A {
uint data;
function A() mod1 { data |= 2; }
modifier mod1 { data |= 1; _ }
function getData() returns (uint r) { return data; }
}
contract C is A {
modifier mod1 { data |= 4; _ }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(4 | 2));
}
BOOST_AUTO_TEST_CASE(use_std_lib)
{
char const* sourceCode = R"(
import "mortal";
contract Icarus is mortal { }
)";
m_addStandardSources = true;
u256 amount(130);
u160 address(23);
compileAndRun(sourceCode, amount, "Icarus");
u256 balanceBefore = m_state.balance(m_sender);
BOOST_CHECK(callContractFunction("kill()") == bytes());
BOOST_CHECK(!m_state.addressHasCode(m_contractAddress));
BOOST_CHECK(m_state.balance(m_sender) > balanceBefore);
}
BOOST_AUTO_TEST_CASE(crazy_elementary_typenames_on_stack)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint r) {
uint; uint; uint; uint;
int x = -7;
var a = uint;
return a(x);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(-7)));
}
BOOST_AUTO_TEST_CASE(super)
{
char const* sourceCode = R"(
contract A { function f() returns (uint r) { return 1; } }
contract B is A { function f() returns (uint r) { return super.f() | 2; } }
contract C is A { function f() returns (uint r) { return super.f() | 4; } }
contract D is B, C { function f() returns (uint r) { return super.f() | 8; } }
)";
compileAndRun(sourceCode, 0, "D");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(1 | 2 | 4 | 8));
}
BOOST_AUTO_TEST_CASE(super_in_constructor)
{
char const* sourceCode = R"(
contract A { function f() returns (uint r) { return 1; } }
contract B is A { function f() returns (uint r) { return super.f() | 2; } }
contract C is A { function f() returns (uint r) { return super.f() | 4; } }
contract D is B, C { uint data; function D() { data = super.f() | 8; } function f() returns (uint r) { return data; } }
)";
compileAndRun(sourceCode, 0, "D");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(1 | 2 | 4 | 8));
}
BOOST_AUTO_TEST_CASE(fallback_function)
{
char const* sourceCode = R"(
contract A {
uint data;
function() returns (uint r) { data = 1; return 2; }
function getData() returns (uint r) { return data; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("") == encodeArgs(2));
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(inherited_fallback_function)
{
char const* sourceCode = R"(
contract A {
uint data;
function() returns (uint r) { data = 1; return 2; }
function getData() returns (uint r) { return data; }
}
contract B is A {}
)";
compileAndRun(sourceCode, 0, "B");
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("") == encodeArgs(2));
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(event)
{
char const* sourceCode = R"(
contract ClientReceipt {
event Deposit(address indexed _from, bytes32 indexed _id, uint _value);
function deposit(bytes32 _id, bool _manually) {
if (_manually) {
bytes32 s = 0x19dacbf83c5de6658e14cbf7bcae5c15eca2eedecf1c66fbca928e4d351bea0f;
log3(bytes32(msg.value), s, bytes32(msg.sender), _id);
} else
Deposit(msg.sender, _id, msg.value);
}
}
)";
compileAndRun(sourceCode);
u256 value(18);
u256 id(0x1234);
for (bool manually: {true, false})
{
callContractFunctionWithValue("deposit(bytes32,bool)", value, id, manually);
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(value)));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 3);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(address,bytes32,uint256)")));
BOOST_CHECK_EQUAL(m_logs[0].topics[1], h256(m_sender));
BOOST_CHECK_EQUAL(m_logs[0].topics[2], h256(id));
}
}
BOOST_AUTO_TEST_CASE(event_no_arguments)
{
char const* sourceCode = R"(
contract ClientReceipt {
event Deposit;
function deposit() {
Deposit();
}
}
)";
compileAndRun(sourceCode);
callContractFunction("deposit()");
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK(m_logs[0].data.empty());
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit()")));
}
BOOST_AUTO_TEST_CASE(event_anonymous)
{
char const* sourceCode = R"(
contract ClientReceipt {
event Deposit() anonymous;
function deposit() {
Deposit();
}
}
)";
compileAndRun(sourceCode);
callContractFunction("deposit()");
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 0);
}
BOOST_AUTO_TEST_CASE(event_anonymous_with_topics)
{
char const* sourceCode = R"(
contract ClientReceipt {
event Deposit(address indexed _from, bytes32 indexed _id, uint _value) anonymous;
function deposit(bytes32 _id, bool _manually) {
Deposit(msg.sender, _id, msg.value);
}
}
)";
compileAndRun(sourceCode);
u256 value(18);
u256 id(0x1234);
callContractFunctionWithValue("deposit(bytes32,bool)", value, id);
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(value)));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 2);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(m_sender));
BOOST_CHECK_EQUAL(m_logs[0].topics[1], h256(id));
}
BOOST_AUTO_TEST_CASE(event_lots_of_data)
{
char const* sourceCode = R"(
contract ClientReceipt {
event Deposit(address _from, bytes32 _id, uint _value, bool _flag);
function deposit(bytes32 _id) {
Deposit(msg.sender, _id, msg.value, true);
}
}
)";
compileAndRun(sourceCode);
u256 value(18);
u256 id(0x1234);
callContractFunctionWithValue("deposit(bytes32)", value, id);
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK(m_logs[0].data == encodeArgs((u160)m_sender, id, value, true));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(address,bytes32,uint256,bool)")));
}
BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
{
char const* sourceCode = R"(
contract test {
function f(uint, uint k) returns(uint ret_k, uint ret_g){
uint g = 8;
ret_k = k;
ret_g = g;
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(uint256,uint256)", 5, 9) != encodeArgs(5, 8));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", 5, 9) == encodeArgs(9, 8));
}
BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
{
char const* sourceCode = R"(
contract test {
function f(uint k) returns(uint){
return k;
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(uint256)", 9) == encodeArgs(9));
}
BOOST_AUTO_TEST_CASE(sha3_multiple_arguments)
{
char const* sourceCode = R"(
contract c {
function foo(uint a, uint b, uint c) returns (bytes32 d)
{
d = sha3(a, b, c);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("foo(uint256,uint256,uint256)", 10, 12, 13) == encodeArgs(
dev::sha3(
toBigEndian(u256(10)) +
toBigEndian(u256(12)) +
toBigEndian(u256(13)))));
}
BOOST_AUTO_TEST_CASE(sha3_multiple_arguments_with_numeric_literals)
{
char const* sourceCode = R"(
contract c {
function foo(uint a, uint16 b) returns (bytes32 d)
{
d = sha3(a, b, 145);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("foo(uint256,uint16)", 10, 12) == encodeArgs(
dev::sha3(
toBigEndian(u256(10)) +
bytes{0x0, 0xc} +
bytes(1, 0x91))));
}
BOOST_AUTO_TEST_CASE(sha3_multiple_arguments_with_string_literals)
{
char const* sourceCode = R"(
contract c {
function foo() returns (bytes32 d)
{
d = sha3("foo");
}
function bar(uint a, uint16 b) returns (bytes32 d)
{
d = sha3(a, b, 145, "foo");
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("foo()") == encodeArgs(dev::sha3("foo")));
BOOST_CHECK(callContractFunction("bar(uint256,uint16)", 10, 12) == encodeArgs(
dev::sha3(
toBigEndian(u256(10)) +
bytes{0x0, 0xc} +
bytes(1, 0x91) +
bytes{0x66, 0x6f, 0x6f})));
}
BOOST_AUTO_TEST_CASE(generic_call)
{
char const* sourceCode = R"**(
contract receiver {
uint public received;
function receive(uint256 x) { received = x; }
}
contract sender {
function doSend(address rec) returns (uint d)
{
bytes4 signature = bytes4(bytes32(sha3("receive(uint256)")));
rec.call.value(2)(signature, 23);
return receiver(rec).received();
}
}
)**";
compileAndRun(sourceCode, 0, "receiver");
u160 const c_receiverAddress = m_contractAddress;
compileAndRun(sourceCode, 50, "sender");
BOOST_REQUIRE(callContractFunction("doSend(address)", c_receiverAddress) == encodeArgs(23));
BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 50 - 2);
}
BOOST_AUTO_TEST_CASE(store_bytes)
{
// this test just checks that the copy loop does not mess up the stack
char const* sourceCode = R"(
contract C {
function save() returns (uint r) {
r = 23;
savedData = msg.data;
r = 24;
}
bytes savedData;
}
)";
compileAndRun(sourceCode);
// empty copy loop
BOOST_CHECK(callContractFunction("save()") == encodeArgs(24));
BOOST_CHECK(callContractFunction("save()", "abcdefg") == encodeArgs(24));
}
BOOST_AUTO_TEST_CASE(bytes_from_calldata_to_memory)
{
char const* sourceCode = R"(
contract C {
function() returns (bytes32) {
return sha3("abc", msg.data);
}
}
)";
compileAndRun(sourceCode);
bytes calldata1 = bytes(61, 0x22) + bytes(12, 0x12);
sendMessage(calldata1, false);
BOOST_CHECK(m_output == encodeArgs(dev::sha3(bytes{'a', 'b', 'c'} + calldata1)));
}
BOOST_AUTO_TEST_CASE(call_forward_bytes)
{
char const* sourceCode = R"(
contract receiver {
uint public received;
function receive(uint x) { received += x + 1; }
function() { received = 0x80; }
}
contract sender {
function sender() { rec = new receiver(); }
function() { savedData = msg.data; }
function forward() returns (bool) { rec.call(savedData); return true; }
function clear() returns (bool) { delete savedData; return true; }
function val() returns (uint) { return rec.received(); }
receiver rec;
bytes savedData;
}
)";
compileAndRun(sourceCode, 0, "sender");
BOOST_CHECK(callContractFunction("receive(uint256)", 7) == bytes());
BOOST_CHECK(callContractFunction("val()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("forward()") == encodeArgs(true));
BOOST_CHECK(callContractFunction("val()") == encodeArgs(8));
BOOST_CHECK(callContractFunction("clear()") == encodeArgs(true));
BOOST_CHECK(callContractFunction("val()") == encodeArgs(8));
BOOST_CHECK(callContractFunction("forward()") == encodeArgs(true));
BOOST_CHECK(callContractFunction("val()") == encodeArgs(0x80));
}
BOOST_AUTO_TEST_CASE(copying_bytes_multiassign)
{
char const* sourceCode = R"(
contract receiver {
uint public received;
function receive(uint x) { received += x + 1; }
function() { received = 0x80; }
}
contract sender {
function sender() { rec = new receiver(); }
function() { savedData1 = savedData2 = msg.data; }
function forward(bool selector) returns (bool) {
if (selector) { rec.call(savedData1); delete savedData1; }
else { rec.call(savedData2); delete savedData2; }
return true;
}
function val() returns (uint) { return rec.received(); }
receiver rec;
bytes savedData1;
bytes savedData2;
}
)";
compileAndRun(sourceCode, 0, "sender");
BOOST_CHECK(callContractFunction("receive(uint256)", 7) == bytes());
BOOST_CHECK(callContractFunction("val()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("forward(bool)", true) == encodeArgs(true));
BOOST_CHECK(callContractFunction("val()") == encodeArgs(8));
BOOST_CHECK(callContractFunction("forward(bool)", false) == encodeArgs(true));
BOOST_CHECK(callContractFunction("val()") == encodeArgs(16));
BOOST_CHECK(callContractFunction("forward(bool)", true) == encodeArgs(true));
BOOST_CHECK(callContractFunction("val()") == encodeArgs(0x80));
}
BOOST_AUTO_TEST_CASE(delete_removes_bytes_data)
{
char const* sourceCode = R"(
contract c {
function() { data = msg.data; }
function del() returns (bool) { delete data; return true; }
bytes data;
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("---", 7) == bytes());
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("del()", 7) == encodeArgs(true));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(copy_from_calldata_removes_bytes_data)
{
char const* sourceCode = R"(
contract c {
function set() returns (bool) { data = msg.data; return true; }
function() { data = msg.data; }
bytes data;
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("set()", 1, 2, 3, 4, 5) == encodeArgs(true));
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
sendMessage(bytes(), false);
BOOST_CHECK(m_output == bytes());
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(copy_removes_bytes_data)
{
char const* sourceCode = R"(
contract c {
function set() returns (bool) { data1 = msg.data; return true; }
function reset() returns (bool) { data1 = data2; return true; }
bytes data1;
bytes data2;
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("set()", 1, 2, 3, 4, 5) == encodeArgs(true));
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("reset()") == encodeArgs(true));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(bytes_inside_mappings)
{
char const* sourceCode = R"(
contract c {
function set(uint key) returns (bool) { data[key] = msg.data; return true; }
function copy(uint from, uint to) returns (bool) { data[to] = data[from]; return true; }
mapping(uint => bytes) data;
}
)";
compileAndRun(sourceCode);
// store a short byte array at 1 and a longer one at 2
BOOST_CHECK(callContractFunction("set(uint256)", 1, 2) == encodeArgs(true));
BOOST_CHECK(callContractFunction("set(uint256)", 2, 2, 3, 4, 5) == encodeArgs(true));
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
// copy shorter to longer
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 1, 2) == encodeArgs(true));
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
// copy empty to both
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 99, 1) == encodeArgs(true));
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 99, 2) == encodeArgs(true));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(bytes_length_member)
{
char const* sourceCode = R"(
contract c {
function set() returns (bool) { data = msg.data; return true; }
function getLength() returns (uint) { return data.length; }
bytes data;
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getLength()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("set()", 1, 2) == encodeArgs(true));
BOOST_CHECK(callContractFunction("getLength()") == encodeArgs(4+32+32));
}
BOOST_AUTO_TEST_CASE(struct_copy)
{
char const* sourceCode = R"(
contract c {
struct Nested { uint x; uint y; }
struct Struct { uint a; mapping(uint => Struct) b; Nested nested; uint c; }
mapping(uint => Struct) data;
function set(uint k) returns (bool) {
data[k].a = 1;
data[k].nested.x = 3;
data[k].nested.y = 4;
data[k].c = 2;
return true;
}
function copy(uint from, uint to) returns (bool) {
data[to] = data[from];
return true;
}
function retrieve(uint k) returns (uint a, uint x, uint y, uint c)
{
a = data[k].a;
x = data[k].nested.x;
y = data[k].nested.y;
c = data[k].c;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("set(uint256)", 7) == encodeArgs(true));
BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(1, 3, 4, 2));
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 7, 8) == encodeArgs(true));
BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(1, 3, 4, 2));
BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(1, 3, 4, 2));
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 0, 7) == encodeArgs(true));
BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(0, 0, 0, 0));
BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(1, 3, 4, 2));
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 7, 8) == encodeArgs(true));
BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(0, 0, 0, 0));
}
BOOST_AUTO_TEST_CASE(struct_containing_bytes_copy_and_delete)
{
char const* sourceCode = R"(
contract c {
struct Struct { uint a; bytes data; uint b; }
Struct data1;
Struct data2;
function set(uint _a, bytes _data, uint _b) external returns (bool) {
data1.a = _a;
data1.b = _b;
data1.data = _data;
return true;
}
function copy() returns (bool) {
data1 = data2;
return true;
}
function del() returns (bool) {
delete data1;
return true;
}
}
)";
compileAndRun(sourceCode);
string data = "123456789012345678901234567890123";
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("set(uint256,bytes,uint256)", 12, u256(data.length()), 13, data) == encodeArgs(true));
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("copy()") == encodeArgs(true));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("set(uint256,bytes,uint256)", 12, u256(data.length()), 13, data) == encodeArgs(true));
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("del()") == encodeArgs(true));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(struct_copy_via_local)
{
char const* sourceCode = R"(
contract c {
struct Struct { uint a; uint b; }
Struct data1;
Struct data2;
function test() returns (bool) {
data1.a = 1;
data1.b = 2;
var x = data1;
data2 = x;
return data2.a == data1.a && data2.b == data1.b;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(using_enums)
{
char const* sourceCode = R"(
contract test {
enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
function test()
{
choices = ActionChoices.GoStraight;
}
function getChoice() returns (uint d)
{
d = uint256(choices);
}
ActionChoices choices;
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getChoice()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(constructing_enums_from_ints)
{
char const* sourceCode = R"(
contract c {
enum Truth { False, True }
function test() returns (uint)
{
return uint(Truth(uint8(0x701)));
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(inline_member_init)
{
char const* sourceCode = R"(
contract test {
function test(){
m_b = 6;
m_c = 8;
}
uint m_a = 5;
uint m_b;
uint m_c = 7;
function get() returns (uint a, uint b, uint c){
a = m_a;
b = m_b;
c = m_c;
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("get()") == encodeArgs(5, 6, 8));
}
BOOST_AUTO_TEST_CASE(inline_member_init_inheritence)
{
char const* sourceCode = R"(
contract Base {
function Base(){}
uint m_base = 5;
function getBMember() returns (uint i) { return m_base; }
}
contract Derived is Base {
function Derived(){}
uint m_derived = 6;
function getDMember() returns (uint i) { return m_derived; }
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getBMember()") == encodeArgs(5));
BOOST_CHECK(callContractFunction("getDMember()") == encodeArgs(6));
}
BOOST_AUTO_TEST_CASE(inline_member_init_inheritence_without_constructor)
{
char const* sourceCode = R"(
contract Base {
uint m_base = 5;
function getBMember() returns (uint i) { return m_base; }
}
contract Derived is Base {
uint m_derived = 6;
function getDMember() returns (uint i) { return m_derived; }
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getBMember()") == encodeArgs(5));
BOOST_CHECK(callContractFunction("getDMember()") == encodeArgs(6));
}
BOOST_AUTO_TEST_CASE(external_function)
{
char const* sourceCode = R"(
contract c {
function f(uint a) returns (uint) { return a; }
function test(uint a, uint b) external returns (uint r_a, uint r_b) {
r_a = f(a + 7);
r_b = b;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test(uint256,uint256)", 2, 3) == encodeArgs(2+7, 3));
}
BOOST_AUTO_TEST_CASE(bytes_in_arguments)
{
char const* sourceCode = R"(
contract c {
uint result;
function f(uint a, uint b) { result += a + b; }
function g(uint a) { result *= a; }
function test(uint a, bytes data1, bytes data2, uint b) external returns (uint r_a, uint r, uint r_b, uint l) {
r_a = a;
this.call(data1);
this.call(data2);
r = result;
r_b = b;
l = data1.length;
}
}
)";
compileAndRun(sourceCode);
string innercalldata1 = asString(FixedHash<4>(dev::sha3("f(uint256,uint256)")).asBytes() + encodeArgs(8, 9));
bytes calldata1 = encodeArgs(u256(innercalldata1.length()), 12, innercalldata1, 13);
string innercalldata2 = asString(FixedHash<4>(dev::sha3("g(uint256)")).asBytes() + encodeArgs(3));
bytes calldata = encodeArgs(
12, u256(innercalldata1.length()), u256(innercalldata2.length()), 13,
innercalldata1, innercalldata2);
BOOST_CHECK(callContractFunction("test(uint256,bytes,bytes,uint256)", calldata)
== encodeArgs(12, (8 + 9) * 3, 13, u256(innercalldata1.length())));
}
BOOST_AUTO_TEST_CASE(fixed_arrays_in_storage)
{
char const* sourceCode = R"(
contract c {
struct Data { uint x; uint y; }
Data[2**10] data;
uint[2**10 + 3] ids;
function setIDStatic(uint id) { ids[2] = id; }
function setID(uint index, uint id) { ids[index] = id; }
function setData(uint index, uint x, uint y) { data[index].x = x; data[index].y = y; }
function getID(uint index) returns (uint) { return ids[index]; }
function getData(uint index) returns (uint x, uint y) { x = data[index].x; y = data[index].y; }
function getLengths() returns (uint l1, uint l2) { l1 = data.length; l2 = ids.length; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("setIDStatic(uint256)", 11) == bytes());
BOOST_CHECK(callContractFunction("getID(uint256)", 2) == encodeArgs(11));
BOOST_CHECK(callContractFunction("setID(uint256,uint256)", 7, 8) == bytes());
BOOST_CHECK(callContractFunction("getID(uint256)", 7) == encodeArgs(8));
BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 7, 8, 9) == bytes());
BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 8, 10, 11) == bytes());
BOOST_CHECK(callContractFunction("getData(uint256)", 7) == encodeArgs(8, 9));
BOOST_CHECK(callContractFunction("getData(uint256)", 8) == encodeArgs(10, 11));
BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(u256(1) << 10, (u256(1) << 10) + 3));
}
BOOST_AUTO_TEST_CASE(dynamic_arrays_in_storage)
{
char const* sourceCode = R"(
contract c {
struct Data { uint x; uint y; }
Data[] data;
uint[] ids;
function setIDStatic(uint id) { ids[2] = id; }
function setID(uint index, uint id) { ids[index] = id; }
function setData(uint index, uint x, uint y) { data[index].x = x; data[index].y = y; }
function getID(uint index) returns (uint) { return ids[index]; }
function getData(uint index) returns (uint x, uint y) { x = data[index].x; y = data[index].y; }
function getLengths() returns (uint l1, uint l2) { l1 = data.length; l2 = ids.length; }
function setLengths(uint l1, uint l2) { data.length = l1; ids.length = l2; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(0, 0));
BOOST_CHECK(callContractFunction("setLengths(uint256,uint256)", 48, 49) == bytes());
BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(48, 49));
BOOST_CHECK(callContractFunction("setIDStatic(uint256)", 11) == bytes());
BOOST_CHECK(callContractFunction("getID(uint256)", 2) == encodeArgs(11));
BOOST_CHECK(callContractFunction("setID(uint256,uint256)", 7, 8) == bytes());
BOOST_CHECK(callContractFunction("getID(uint256)", 7) == encodeArgs(8));
BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 7, 8, 9) == bytes());
BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 8, 10, 11) == bytes());
BOOST_CHECK(callContractFunction("getData(uint256)", 7) == encodeArgs(8, 9));
BOOST_CHECK(callContractFunction("getData(uint256)", 8) == encodeArgs(10, 11));
}
BOOST_AUTO_TEST_CASE(fixed_out_of_bounds_array_access)
{
char const* sourceCode = R"(
contract c {
uint[4] data;
function set(uint index, uint value) returns (bool) { data[index] = value; return true; }
function get(uint index) returns (uint) { return data[index]; }
function length() returns (uint) { return data.length; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
BOOST_CHECK(callContractFunction("set(uint256,uint256)", 3, 4) == encodeArgs(true));
BOOST_CHECK(callContractFunction("set(uint256,uint256)", 4, 5) == bytes());
BOOST_CHECK(callContractFunction("set(uint256,uint256)", 400, 5) == bytes());
BOOST_CHECK(callContractFunction("get(uint256)", 3) == encodeArgs(4));
BOOST_CHECK(callContractFunction("get(uint256)", 4) == bytes());
BOOST_CHECK(callContractFunction("get(uint256)", 400) == bytes());
BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
}
BOOST_AUTO_TEST_CASE(dynamic_out_of_bounds_array_access)
{
char const* sourceCode = R"(
contract c {
uint[] data;
function enlarge(uint amount) returns (uint) { return data.length += amount; }
function set(uint index, uint value) returns (bool) { data[index] = value; return true; }
function get(uint index) returns (uint) { return data[index]; }
function length() returns (uint) { return data.length; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("length()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("get(uint256)", 3) == bytes());
BOOST_CHECK(callContractFunction("enlarge(uint256)", 4) == encodeArgs(4));
BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
BOOST_CHECK(callContractFunction("set(uint256,uint256)", 3, 4) == encodeArgs(true));
BOOST_CHECK(callContractFunction("get(uint256)", 3) == encodeArgs(4));
BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
BOOST_CHECK(callContractFunction("set(uint256,uint256)", 4, 8) == bytes());
BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
}
BOOST_AUTO_TEST_CASE(fixed_array_cleanup)
{
char const* sourceCode = R"(
contract c {
uint spacer1;
uint spacer2;
uint[20] data;
function fill() {
for (uint i = 0; i < data.length; ++i) data[i] = i+1;
}
function clear() { delete data; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("fill()") == bytes());
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("clear()") == bytes());
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(short_fixed_array_cleanup)
{
char const* sourceCode = R"(
contract c {
uint spacer1;
uint spacer2;
uint[3] data;
function fill() {
for (uint i = 0; i < data.length; ++i) data[i] = i+1;
}
function clear() { delete data; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("fill()") == bytes());
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("clear()") == bytes());
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(dynamic_array_cleanup)
{
char const* sourceCode = R"(
contract c {
uint[20] spacer;
uint[] dynamic;
function fill() {
dynamic.length = 21;
for (uint i = 0; i < dynamic.length; ++i) dynamic[i] = i+1;
}
function halfClear() { dynamic.length = 5; }
function fullClear() { delete dynamic; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("fill()") == bytes());
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("halfClear()") == bytes());
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("fullClear()") == bytes());
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(dynamic_multi_array_cleanup)
{
char const* sourceCode = R"(
contract c {
struct s { uint[][] d; }
s[] data;
function fill() returns (uint) {
data.length = 3;
data[2].d.length = 4;
data[2].d[3].length = 5;
data[2].d[3][4] = 8;
return data[2].d[3][4];
}
function clear() { delete data; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("fill()") == encodeArgs(8));
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("clear()") == bytes());
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(array_copy_storage_storage_dyn_dyn)
{
char const* sourceCode = R"(
contract c {
uint[] data1;
uint[] data2;
function setData1(uint length, uint index, uint value) {
data1.length = length; if (index < length) data1[index] = value;
}
function copyStorageStorage() { data2 = data1; }
function getData2(uint index) returns (uint len, uint val) {
len = data2.length; if (index < len) val = data2[index];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("setData1(uint256,uint256,uint256)", 10, 5, 4) == bytes());
BOOST_CHECK(callContractFunction("copyStorageStorage()") == bytes());
BOOST_CHECK(callContractFunction("getData2(uint256)", 5) == encodeArgs(10, 4));
BOOST_CHECK(callContractFunction("setData1(uint256,uint256,uint256)", 0, 0, 0) == bytes());
BOOST_CHECK(callContractFunction("copyStorageStorage()") == bytes());
BOOST_CHECK(callContractFunction("getData2(uint256)", 0) == encodeArgs(0, 0));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(array_copy_storage_storage_static_static)
{
char const* sourceCode = R"(
contract c {
uint[40] data1;
uint[20] data2;
function test() returns (uint x, uint y){
data1[30] = 4;
data1[2] = 7;
data1[3] = 9;
data2[3] = 8;
data1 = data2;
x = data1[3];
y = data1[30]; // should be cleared
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(8, 0));
}
BOOST_AUTO_TEST_CASE(array_copy_storage_storage_static_dynamic)
{
char const* sourceCode = R"(
contract c {
uint[9] data1;
uint[] data2;
function test() returns (uint x, uint y){
data1[8] = 4;
data2 = data1;
x = data2.length;
y = data2[8];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(9, 4));
}
BOOST_AUTO_TEST_CASE(array_copy_different_packing)
{
char const* sourceCode = R"(
contract c {
bytes8[] data1; // 4 per slot
bytes10[] data2; // 3 per slot
function test() returns (bytes10 a, bytes10 b, bytes10 c, bytes10 d, bytes10 e) {
data1.length = 9;
for (uint i = 0; i < data1.length; ++i)
data1[i] = bytes8(i);
data2 = data1;
a = data2[1];
b = data2[2];
c = data2[3];
d = data2[4];
e = data2[5];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(
asString(fromHex("0000000000000001")),
asString(fromHex("0000000000000002")),
asString(fromHex("0000000000000003")),
asString(fromHex("0000000000000004")),
asString(fromHex("0000000000000005"))
));
}
BOOST_AUTO_TEST_CASE(array_copy_target_simple)
{
char const* sourceCode = R"(
contract c {
bytes8[9] data1; // 4 per slot
bytes17[10] data2; // 1 per slot, no offset counter
function test() returns (bytes17 a, bytes17 b, bytes17 c, bytes17 d, bytes17 e) {
for (uint i = 0; i < data1.length; ++i)
data1[i] = bytes8(i);
data2[8] = data2[9] = 2;
data2 = data1;
a = data2[1];
b = data2[2];
c = data2[3];
d = data2[4];
e = data2[9];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(
asString(fromHex("0000000000000001")),
asString(fromHex("0000000000000002")),
asString(fromHex("0000000000000003")),
asString(fromHex("0000000000000004")),
asString(fromHex("0000000000000000"))
));
}
BOOST_AUTO_TEST_CASE(array_copy_target_leftover)
{
// test that leftover elements in the last slot of target are correctly cleared during assignment
char const* sourceCode = R"(
contract c {
byte[10] data1;
bytes2[32] data2;
function test() returns (uint check, uint res1, uint res2) {
uint i;
for (i = 0; i < data2.length; ++i)
data2[i] = 0xffff;
check = uint(data2[31]) * 0x10000 | uint(data2[14]);
for (i = 0; i < data1.length; ++i)
data1[i] = byte(uint8(1 + i));
data2 = data1;
for (i = 0; i < 16; ++i)
res1 |= uint(data2[i]) * 0x10000**i;
for (i = 0; i < 16; ++i)
res2 |= uint(data2[16 + i]) * 0x10000**i;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(
u256("0xffffffff"),
asString(fromHex("0000000000000000""000000000a000900""0800070006000500""0400030002000100")),
asString(fromHex("0000000000000000""0000000000000000""0000000000000000""0000000000000000"))
));
}
BOOST_AUTO_TEST_CASE(array_copy_target_leftover2)
{
// since the copy always copies whole slots, we have to make sure that the source size maxes
// out a whole slot and at the same time there are still elements left in the target at that point
char const* sourceCode = R"(
contract c {
bytes8[4] data1; // fits into one slot
bytes10[6] data2; // 4 elements need two slots
function test() returns (bytes10 r1, bytes10 r2, bytes10 r3) {
data1[0] = 1;
data1[1] = 2;
data1[2] = 3;
data1[3] = 4;
for (uint i = 0; i < data2.length; ++i)
data2[i] = bytes10(0xffff00 | (1 + i));
data2 = data1;
r1 = data2[3];
r2 = data2[4];
r3 = data2[5];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(
asString(fromHex("0000000000000004")),
asString(fromHex("0000000000000000")),
asString(fromHex("0000000000000000"))
));
}
BOOST_AUTO_TEST_CASE(array_copy_storage_storage_struct)
{
char const* sourceCode = R"(
contract c {
struct Data { uint x; uint y; }
Data[] data1;
Data[] data2;
function test() returns (uint x, uint y) {
data1.length = 9;
data1[8].x = 4;
data1[8].y = 5;
data2 = data1;
x = data2[8].x;
y = data2[8].y;
data1.length = 0;
data2 = data1;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(4, 5));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(external_array_args)
{
char const* sourceCode = R"(
contract c {
function test(uint[8] a, uint[] b, uint[5] c, uint a_index, uint b_index, uint c_index)
external returns (uint av, uint bv, uint cv) {
av = a[a_index];
bv = b[b_index];
cv = c[c_index];
}
}
)";
compileAndRun(sourceCode);
bytes params = encodeArgs(
1, 2, 3, 4, 5, 6, 7, 8, // a
3, // b.length
21, 22, 23, 24, 25, // c
0, 1, 2, // (a,b,c)_index
11, 12, 13 // b
);
BOOST_CHECK(callContractFunction("test(uint256[8],uint256[],uint256[5],uint256,uint256,uint256)", params) == encodeArgs(1, 12, 23));
}
BOOST_AUTO_TEST_CASE(bytes_index_access)
{
char const* sourceCode = R"(
contract c {
bytes data;
function direct(bytes arg, uint index) external returns (uint) {
return uint(arg[index]);
}
function storageCopyRead(bytes arg, uint index) external returns (uint) {
data = arg;
return uint(data[index]);
}
function storageWrite() external returns (uint) {
data.length = 35;
data[31] = 0x77;
data[32] = 0x14;
data[31] = 1;
data[31] |= 8;
data[30] = 1;
data[32] = 3;
return uint(data[30]) * 0x100 | uint(data[31]) * 0x10 | uint(data[32]);
}
}
)";
compileAndRun(sourceCode);
string array{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31, 32, 33};
BOOST_CHECK(callContractFunction("direct(bytes,uint256)", u256(array.length()), 32, array) == encodeArgs(32));
BOOST_CHECK(callContractFunction("storageCopyRead(bytes,uint256)", u256(array.length()), 32, array) == encodeArgs(32));
BOOST_CHECK(callContractFunction("storageWrite()") == encodeArgs(0x193));
}
BOOST_AUTO_TEST_CASE(array_copy_calldata_storage)
{
char const* sourceCode = R"(
contract c {
uint[9] m_data;
uint[] m_data_dyn;
uint8[][] m_byte_data;
function store(uint[9] a, uint8[3][] b) external returns (uint8) {
m_data = a;
m_data_dyn = a;
m_byte_data = b;
return b[3][1]; // note that access and declaration are reversed to each other
}
function retrieve() returns (uint a, uint b, uint c, uint d, uint e, uint f, uint g) {
a = m_data.length;
b = m_data[7];
c = m_data_dyn.length;
d = m_data_dyn[7];
e = m_byte_data.length;
f = m_byte_data[3].length;
g = m_byte_data[3][1];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("store(uint256[9],uint8[3][])", encodeArgs(
21, 22, 23, 24, 25, 26, 27, 28, 29, // a
4, // size of b
1, 2, 3, // b[0]
11, 12, 13, // b[1]
21, 22, 23, // b[2]
31, 32, 33 // b[3]
)) == encodeArgs(32));
BOOST_CHECK(callContractFunction("retrieve()") == encodeArgs(
9, 28, 9, 28,
4, 3, 32));
}
BOOST_AUTO_TEST_CASE(array_copy_nested_array)
{
char const* sourceCode = R"(
contract c {
uint[4][] a;
uint[10][] b;
uint[][] c;
function test(uint[2][] d) external returns (uint) {
a = d;
b = a;
c = b;
return c[1][1] | c[1][2] | c[1][3] | c[1][4];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test(uint256[2][])", encodeArgs(
3,
7, 8,
9, 10,
11, 12
)) == encodeArgs(10));
}
BOOST_AUTO_TEST_CASE(array_copy_including_mapping)
{
char const* sourceCode = R"(
contract c {
mapping(uint=>uint)[90][] large;
mapping(uint=>uint)[3][] small;
function test() returns (uint r) {
large.length = small.length = 7;
large[3][2][0] = 2;
large[1] = large[3];
small[3][2][0] = 2;
small[1] = small[2];
r = ((
small[3][2][0] * 0x100 |
small[1][2][0]) * 0x100 |
large[3][2][0]) * 0x100 |
large[1][2][0];
delete small;
delete large;
}
function clear() returns (uint r) {
large.length = small.length = 7;
small[3][2][0] = 0;
large[3][2][0] = 0;
small.length = large.length = 0;
return 7;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(0x02000200));
// storage is not empty because we cannot delete the mappings
BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
BOOST_CHECK(callContractFunction("clear()") == encodeArgs(7));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base)
{
char const* sourceCode = R"(
contract Base {
function Base(uint i)
{
m_i = i;
}
uint public m_i;
}
contract Derived is Base(2) {
function Derived(uint i) Base(i)
{}
}
contract Final is Derived(4) {
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4));
}
BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base_base)
{
char const* sourceCode = R"(
contract Base {
function Base(uint j)
{
m_i = j;
}
uint public m_i;
}
contract Base1 is Base(3) {
function Base1(uint k) Base(k*k) {}
}
contract Derived is Base(3), Base1(2) {
function Derived(uint i) Base(i) Base1(i)
{}
}
contract Final is Derived(4) {
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4));
}
BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base_base_with_gap)
{
char const* sourceCode = R"(
contract Base {
function Base(uint i)
{
m_i = i;
}
uint public m_i;
}
contract Base1 is Base(3) {}
contract Derived is Base(2), Base1 {
function Derived(uint i) Base(i) {}
}
contract Final is Derived(4) {
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4));
}
BOOST_AUTO_TEST_CASE(simple_constant_variables_test)
{
char const* sourceCode = R"(
contract Foo {
function getX() returns (uint r) { return x; }
uint constant x = 56;
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getX()") == encodeArgs(56));
}
BOOST_AUTO_TEST_CASE(constant_variables)
{
//for now constant specifier is valid only for uint bytesXX and enums
char const* sourceCode = R"(
contract Foo {
uint constant x = 56;
enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
ActionChoices constant choices = ActionChoices.GoLeft;
bytes32 constant st = "abc\x00\xff__";
})";
compileAndRun(sourceCode);
}
BOOST_AUTO_TEST_CASE(packed_storage_structs_uint)
{
char const* sourceCode = R"(
contract C {
struct str { uint8 a; uint16 b; uint248 c; }
str data;
function test() returns (uint) {
data.a = 2;
if (data.a != 2) return 2;
data.b = 0xabcd;
if (data.b != 0xabcd) return 3;
data.c = 0x1234567890;
if (data.c != 0x1234567890) return 4;
if (data.a != 2) return 5;
data.a = 8;
if (data.a != 8) return 6;
if (data.b != 0xabcd) return 7;
data.b = 0xdcab;
if (data.b != 0xdcab) return 8;
if (data.c != 0x1234567890) return 9;
data.c = 0x9876543210;
if (data.c != 0x9876543210) return 10;
return 1;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(packed_storage_structs_enum)
{
char const* sourceCode = R"(
contract C {
enum small { A, B, C, D }
enum larger { A, B, C, D, E}
struct str { small a; small b; larger c; larger d; }
str data;
function test() returns (uint) {
data.a = small.B;
if (data.a != small.B) return 2;
data.b = small.C;
if (data.b != small.C) return 3;
data.c = larger.D;
if (data.c != larger.D) return 4;
if (data.a != small.B) return 5;
data.a = small.C;
if (data.a != small.C) return 6;
if (data.b != small.C) return 7;
data.b = small.D;
if (data.b != small.D) return 8;
if (data.c != larger.D) return 9;
data.c = larger.B;
if (data.c != larger.B) return 10;
return 1;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(packed_storage_structs_bytes)
{
char const* sourceCode = R"(
contract C {
struct s1 { byte a; byte b; bytes10 c; bytes9 d; bytes10 e; }
struct s2 { byte a; s1 inner; byte b; byte c; }
byte x;
s2 data;
byte y;
function test() returns (bool) {
x = 1;
data.a = 2;
data.inner.a = 3;
data.inner.b = 4;
data.inner.c = "1234567890";
data.inner.d = "123456789";
data.inner.e = "abcdefghij";
data.b = 5;
data.c = 6;
y = 7;
return x == 1 && data.a == 2 && data.inner.a == 3 && data.inner.b == 4 &&
data.inner.c == "1234567890" && data.inner.d == "123456789" &&
data.inner.e == "abcdefghij" && data.b == 5 && data.c == 6 && y == 7;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(packed_storage_structs_delete)
{
char const* sourceCode = R"(
contract C {
struct str { uint8 a; uint16 b; uint8 c; }
uint8 x;
uint16 y;
str data;
function test() returns (uint) {
x = 1;
y = 2;
data.a = 2;
data.b = 0xabcd;
data.c = 0xfa;
if (x != 1 || y != 2 || data.a != 2 || data.b != 0xabcd || data.c != 0xfa)
return 2;
delete y;
delete data.b;
if (x != 1 || y != 0 || data.a != 2 || data.b != 0 || data.c != 0xfa)
return 3;
delete x;
delete data;
return 1;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(1));
BOOST_CHECK(m_state.storage(m_contractAddress).empty());
}
BOOST_AUTO_TEST_CASE(packed_storage_structs_with_bytes0)
{
char const* sourceCode = R"(
contract C {
struct str { uint8 a; bytes0 b; uint8 c; }
uint8 a;
bytes0 x;
uint8 b;
str data;
function test() returns (bool) {
a = 2;
b = 3;
data.a = 4;
data.c = 5;
delete x;
delete data.b;
return a == 2 && b == 3 && data.a == 4 && data.c == 5;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(overloaded_function_call_resolve_to_first)
{
char const* sourceCode = R"(
contract test {
function f(uint k) returns(uint d) { return k; }
function f(uint a, uint b) returns(uint d) { return a + b; }
function g() returns(uint d) { return f(3); }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("g()") == encodeArgs(3));
}
BOOST_AUTO_TEST_CASE(overloaded_function_call_resolve_to_second)
{
char const* sourceCode = R"(
contract test {
function f(uint a, uint b) returns(uint d) { return a + b; }
function f(uint k) returns(uint d) { return k; }
function g() returns(uint d) { return f(3, 7); }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("g()") == encodeArgs(10));
}
BOOST_AUTO_TEST_CASE(overloaded_function_call_with_if_else)
{
char const* sourceCode = R"(
contract test {
function f(uint a, uint b) returns(uint d) { return a + b; }
function f(uint k) returns(uint d) { return k; }
function g(bool flag) returns(uint d) {
if (flag)
return f(3);
else
return f(3, 7);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("g(bool)", true) == encodeArgs(3));
BOOST_CHECK(callContractFunction("g(bool)", false) == encodeArgs(10));
}
BOOST_AUTO_TEST_CASE(derived_overload_base_function_direct)
{
char const* sourceCode = R"(
contract B { function f() returns(uint) { return 10; } }
contract C is B {
function f(uint i) returns(uint) { return 2 * i; }
function g() returns(uint) { return f(1); }
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(derived_overload_base_function_indirect)
{
char const* sourceCode = R"(
contract A { function f(uint a) returns(uint) { return 2 * a; } }
contract B { function f() returns(uint) { return 10; } }
contract C is A, B {
function g() returns(uint) { return f(); }
function h() returns(uint) { return f(1); }
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(10));
BOOST_CHECK(callContractFunction("h()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(super_overload)
{
char const* sourceCode = R"(
contract A { function f(uint a) returns(uint) { return 2 * a; } }
contract B { function f(bool b) returns(uint) { return 10; } }
contract C is A, B {
function g() returns(uint) { return super.f(true); }
function h() returns(uint) { return super.f(1); }
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(10));
BOOST_CHECK(callContractFunction("h()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(packed_storage_signed)
{
char const* sourceCode = R"(
contract C {
int8 a;
uint8 b;
int8 c;
uint8 d;
function test() returns (uint x1, uint x2, uint x3, uint x4) {
a = -2;
b = -uint8(a) * 2;
c = a * int8(120) * int8(121);
x1 = uint(a);
x2 = b;
x3 = uint(c);
x4 = d;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK( callContractFunction("test()") == encodeArgs(u256(-2), u256(4), u256(-112), u256(0)));
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces
#endif
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