solidity/test/libsolidity/SolidityEndToEndTest.cpp
2017-01-24 17:41:31 +01:00

9051 lines
249 KiB
C++

/*
This file is part of solidity.
solidity 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.
solidity 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 solidity. 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.
*/
#include <functional>
#include <string>
#include <tuple>
#include <boost/test/unit_test.hpp>
#include <libevmasm/Assembly.h>
#include <libsolidity/interface/Exceptions.h>
#include <test/libsolidity/SolidityExecutionFramework.h>
using namespace std;
using namespace std::placeholders;
using namespace dev::test;
namespace dev
{
namespace solidity
{
namespace test
{
BOOST_FIXTURE_TEST_SUITE(SolidityEndToEndTest, SolidityExecutionFramework)
BOOST_AUTO_TEST_CASE(smoke_test)
{
char const* sourceCode = R"(
contract test {
function f(uint a) returns(uint d) { return a * 7; }
}
)";
compileAndRun(sourceCode);
testContractAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return a * 7; }, 0, 100);
}
BOOST_AUTO_TEST_CASE(empty_contract)
{
char const* sourceCode = R"(
contract test { }
)";
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);
testContractAgainstCppOnRange("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(conditional_expression_true_literal)
{
char const* sourceCode = R"(
contract test {
function f() returns(uint d) {
return true ? 5 : 10;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(5)));
}
BOOST_AUTO_TEST_CASE(conditional_expression_false_literal)
{
char const* sourceCode = R"(
contract test {
function f() returns(uint d) {
return false ? 5 : 10;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(10)));
}
BOOST_AUTO_TEST_CASE(conditional_expression_multiple)
{
char const* sourceCode = R"(
contract test {
function f(uint x) returns(uint d) {
return x > 100 ?
x > 1000 ? 1000 : 100
:
x > 50 ? 50 : 10;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(uint256)", u256(1001)) == toBigEndian(u256(1000)));
BOOST_CHECK(callContractFunction("f(uint256)", u256(500)) == toBigEndian(u256(100)));
BOOST_CHECK(callContractFunction("f(uint256)", u256(80)) == toBigEndian(u256(50)));
BOOST_CHECK(callContractFunction("f(uint256)", u256(40)) == toBigEndian(u256(10)));
}
BOOST_AUTO_TEST_CASE(conditional_expression_with_return_values)
{
char const* sourceCode = R"(
contract test {
function f(bool cond, uint v) returns (uint a, uint b) {
cond ? a = v : b = v;
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool,uint256)", true, u256(20)) == encodeArgs(u256(20), u256(0)));
BOOST_CHECK(callContractFunction("f(bool,uint256)", false, u256(20)) == encodeArgs(u256(0), u256(20)));
}
BOOST_AUTO_TEST_CASE(conditional_expression_storage_memory_1)
{
char const* sourceCode = R"(
contract test {
bytes2[2] data1;
function f(bool cond) returns (uint) {
bytes2[2] memory x;
x[0] = "aa";
bytes2[2] memory y;
y[0] = "bb";
data1 = cond ? x : y;
uint ret = 0;
if (data1[0] == "aa")
{
ret = 1;
}
if (data1[0] == "bb")
{
ret = 2;
}
return ret;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(conditional_expression_storage_memory_2)
{
char const* sourceCode = R"(
contract test {
bytes2[2] data1;
function f(bool cond) returns (uint) {
data1[0] = "cc";
bytes2[2] memory x;
bytes2[2] memory y;
y[0] = "bb";
x = cond ? y : data1;
uint ret = 0;
if (x[0] == "bb")
{
ret = 1;
}
if (x[0] == "cc")
{
ret = 2;
}
return ret;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(conditional_expression_different_types)
{
char const* sourceCode = R"(
contract test {
function f(bool cond) returns (uint) {
uint8 x = 0xcd;
uint16 y = 0xabab;
return cond ? x : y;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(u256(0xcd)));
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(u256(0xabab)));
}
/* let's add this back when I figure out the correct type conversion.
BOOST_AUTO_TEST_CASE(conditional_expression_string_literal)
{
char const* sourceCode = R"(
contract test {
function f(bool cond) returns (bytes32) {
return cond ? "true" : "false";
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(string("true", 4)));
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(string("false", 5)));
}
*/
BOOST_AUTO_TEST_CASE(conditional_expression_tuples)
{
char const* sourceCode = R"(
contract test {
function f(bool cond) returns (uint, uint) {
return cond ? (1, 2) : (3, 4);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(u256(1), u256(2)));
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(u256(3), u256(4)));
}
BOOST_AUTO_TEST_CASE(conditional_expression_functions)
{
char const* sourceCode = R"(
contract test {
function x() returns (uint) { return 1; }
function y() returns (uint) { return 2; }
function f(bool cond) returns (uint) {
var z = cond ? x : y;
return z();
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(recursive_calls)
{
char const* sourceCode = R"(
contract test {
function f(uint n) returns(uint nfac) {
if (n <= 1) return 1;
else return n * f(n - 1);
}
}
)";
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);
};
testContractAgainstCppOnRange("f(uint256)", recursive_calls_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(multiple_functions)
{
char const* sourceCode = R"(
contract test {
function a() returns(uint n) { return 0; }
function b() returns(uint n) { return 1; }
function c() returns(uint n) { return 2; }
function f() returns(uint n) { return 3; }
}
)";
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 = R"(
contract test {
function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }
function b() returns (uint r) { r = a({a: 1, b: 2, c: 3}); }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(123)));
}
BOOST_AUTO_TEST_CASE(disorder_named_args)
{
char const* sourceCode = R"(
contract test {
function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }
function b() returns (uint r) { r = a({c: 3, a: 1, b: 2}); }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(123)));
}
BOOST_AUTO_TEST_CASE(while_loop)
{
char const* sourceCode = R"(
contract test {
function f(uint n) returns(uint nfac) {
nfac = 1;
var i = 2;
while (i <= n) nfac *= i++;
}
}
)";
compileAndRun(sourceCode);
auto while_loop_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
u256 i = 2;
while (i <= n)
nfac *= i++;
return nfac;
};
testContractAgainstCppOnRange("f(uint256)", while_loop_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(do_while_loop)
{
char const* sourceCode = R"(
contract test {
function f(uint n) returns(uint nfac) {
nfac = 1;
var i = 2;
do { nfac *= i++; } while (i <= n);
}
}
)";
compileAndRun(sourceCode);
auto do_while_loop_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
u256 i = 2;
do
{
nfac *= i++;
}
while (i <= n);
return nfac;
};
testContractAgainstCppOnRange("f(uint256)", do_while_loop_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(nested_loops)
{
// tests that break and continue statements in nested loops jump to the correct place
char const* sourceCode = R"(
contract test {
function f(uint x) returns(uint y) {
while (x > 1) {
if (x == 10) break;
while (x > 5) {
if (x == 8) break;
x--;
if (x == 6) continue;
return x;
}
x--;
if (x == 3) continue;
break;
}
return x;
}
}
)";
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;
};
testContractAgainstCppOnRange("f(uint256)", nested_loops_cpp, 0, 12);
}
BOOST_AUTO_TEST_CASE(for_loop)
{
char const* sourceCode = R"(
contract test {
function f(uint n) returns(uint nfac) {
nfac = 1;
for (var i = 2; i <= n; i++)
nfac *= i;
}
}
)";
compileAndRun(sourceCode);
auto for_loop_cpp = [](u256 const& n) -> u256
{
u256 nfac = 1;
for (auto i = 2; i <= n; i++)
nfac *= i;
return nfac;
};
testContractAgainstCppOnRange("f(uint256)", for_loop_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(for_loop_empty)
{
char const* sourceCode = R"(
contract test {
function f() returns(uint ret) {
ret = 1;
for (;;) {
ret += 1;
if (ret >= 10) break;
}
}
}
)";
compileAndRun(sourceCode);
auto for_loop_empty_cpp = []() -> u256
{
u256 ret = 1;
for (;;)
{
ret += 1;
if (ret >= 10) break;
}
return ret;
};
testContractAgainstCpp("f()", for_loop_empty_cpp);
}
BOOST_AUTO_TEST_CASE(for_loop_simple_init_expr)
{
char const* sourceCode = R"(
contract test {
function f(uint n) returns(uint nfac) {
nfac = 1;
uint256 i;
for (i = 2; i <= n; i++)
nfac *= i;
}
}
)";
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;
};
testContractAgainstCppOnRange("f(uint256)", for_loop_simple_init_expr_cpp, 0, 5);
}
BOOST_AUTO_TEST_CASE(for_loop_break_continue)
{
char const* sourceCode = R"(
contract test {
function f(uint n) returns (uint r)
{
uint i = 1;
uint k = 0;
for (i *= 5; k < n; i *= 7)
{
k++;
i += 4;
if (n % 3 == 0)
break;
i += 9;
if (n % 2 == 0)
continue;
i += 19;
}
return i;
}
}
)";
compileAndRun(sourceCode);
auto breakContinue = [](u256 const& n) -> u256
{
u256 i = 1;
u256 k = 0;
for (i *= 5; k < n; i *= 7)
{
k++;
i += 4;
if (n % 3 == 0)
break;
i += 9;
if (n % 2 == 0)
continue;
i += 19;
}
return i;
};
testContractAgainstCppOnRange("f(uint256)", breakContinue, 0, 10);
}
BOOST_AUTO_TEST_CASE(calling_other_functions)
{
char const* sourceCode = R"(
contract collatz {
function run(uint x) returns(uint y) {
while ((y = x) > 1) {
if (x % 2 == 0) x = evenStep(x);
else x = oddStep(x);
}
}
function evenStep(uint x) returns(uint y) {
return x / 2;
}
function oddStep(uint x) returns(uint y) {
return 3 * x + 1;
}
}
)";
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;
};
testContractAgainstCpp("run(uint256)", collatz_cpp, u256(0));
testContractAgainstCpp("run(uint256)", collatz_cpp, u256(1));
testContractAgainstCpp("run(uint256)", collatz_cpp, u256(2));
testContractAgainstCpp("run(uint256)", collatz_cpp, u256(8));
testContractAgainstCpp("run(uint256)", collatz_cpp, u256(127));
}
BOOST_AUTO_TEST_CASE(many_local_variables)
{
char const* sourceCode = R"(
contract test {
function run(uint x1, uint x2, uint x3) returns(uint y) {
var a = 0x1; var b = 0x10; var c = 0x100;
y = a + b + c + x1 + x2 + x3;
y += b + x2;
}
}
)";
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;
};
testContractAgainstCpp("run(uint256,uint256,uint256)", f, u256(0x1000), u256(0x10000), u256(0x100000));
}
BOOST_AUTO_TEST_CASE(packing_unpacking_types)
{
char const* sourceCode = R"(
contract test {
function run(bool a, uint32 b, uint64 c) returns(uint256 y) {
if (a) y = 1;
y = y * 0x100000000 | ~b;
y = y * 0x10000000000000000 | ~c;
}
}
)";
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 = R"(
contract test {
function run() returns(int8 y) {
uint8 x = 0xfa;
return int8(x);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run()")
== fromHex("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa"));
}
BOOST_AUTO_TEST_CASE(multiple_return_values)
{
char const* sourceCode = R"(
contract test {
function run(bool x1, uint x2) returns(uint y1, bool y2, uint y3) {
y1 = x2; y2 = x1;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("run(bool,uint256)", true, 0xcd) == encodeArgs(0xcd, true, 0));
}
BOOST_AUTO_TEST_CASE(short_circuiting)
{
char const* sourceCode = R"(
contract test {
function run(uint x) returns(uint y) {
x == 0 || ((x = 8) > 0);
return x;
}
}
)";
compileAndRun(sourceCode);
auto short_circuiting_cpp = [](u256 n) -> u256
{
(void)(n == 0 || (n = 8) > 0);
return n;
};
testContractAgainstCppOnRange("run(uint256)", short_circuiting_cpp, 0, 2);
}
BOOST_AUTO_TEST_CASE(high_bits_cleaning)
{
char const* sourceCode = R"(
contract test {
function run() returns(uint256 y) {
uint32 t = uint32(0xffffffff);
uint32 x = t + 10;
if (x >= 0xffffffff) return 0;
return x;
}
}
)";
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;
};
testContractAgainstCpp("run()", high_bits_cleaning_cpp);
}
BOOST_AUTO_TEST_CASE(sign_extension)
{
char const* sourceCode = R"(
contract test {
function run() returns(uint256 y) {
int64 x = -int32(0xff);
if (x >= 0xff) return 0;
return -uint256(x);
}
}
)";
compileAndRun(sourceCode);
auto sign_extension_cpp = []() -> u256
{
int64_t x = -int32_t(0xff);
if (x >= 0xff)
return 0;
return u256(x) * -1;
};
testContractAgainstCpp("run()", sign_extension_cpp);
}
BOOST_AUTO_TEST_CASE(small_unsigned_types)
{
char const* sourceCode = R"(
contract test {
function run() returns(uint256 y) {
uint32 t = uint32(0xffffff);
uint32 x = t * 0xffffff;
return x / 0x100;
}
}
)";
compileAndRun(sourceCode);
auto small_unsigned_types_cpp = []() -> u256
{
uint32_t t = uint32_t(0xffffff);
uint32_t x = t * 0xffffff;
return x / 0x100;
};
testContractAgainstCpp("run()", small_unsigned_types_cpp);
}
BOOST_AUTO_TEST_CASE(small_signed_types)
{
char const* sourceCode = R"(
contract test {
function run() returns(int256 y) {
return -int32(10) * -int64(20);
}
}
)";
compileAndRun(sourceCode);
auto small_signed_types_cpp = []() -> u256
{
return -int32_t(10) * -int64_t(20);
};
testContractAgainstCpp("run()", small_signed_types_cpp);
}
BOOST_AUTO_TEST_CASE(strings)
{
char const* sourceCode = R"(
contract test {
function fixedBytes() returns(bytes32 ret) {
return "abc\x00\xff__";
}
function pipeThrough(bytes2 small, bool one) returns(bytes16 large, bool oneRet) {
oneRet = one;
large = small;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("fixedBytes()") == 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(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(bytes_comparison)
{
char const* sourceCode = R"(
contract test {
function f() returns (bool) {
bytes2 a = "a";
bytes2 x = "aa";
bytes2 b = "b";
return a < x && x < b;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(state_smoke_test)
{
char const* sourceCode = R"(
contract test {
uint256 value1;
uint256 value2;
function get(uint8 which) returns (uint256 value) {
if (which == 0) return value1;
else return value2;
}
function set(uint8 which, uint256 value) {
if (which == 0) value1 = value;
else value2 = value;
}
}
)";
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 = R"(
contract test {
uint value1;
uint value2;
function f(uint x, uint y) returns (uint w) {
uint value3 = y;
value1 += x;
value3 *= x;
value2 *= value3 + value1;
return value2 += 7;
}
}
)";
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;
};
testContractAgainstCpp("f(uint256,uint256)", f, u256(0), u256(6));
testContractAgainstCpp("f(uint256,uint256)", f, u256(1), u256(3));
testContractAgainstCpp("f(uint256,uint256)", f, u256(2), u256(25));
testContractAgainstCpp("f(uint256,uint256)", f, u256(3), u256(69));
testContractAgainstCpp("f(uint256,uint256)", f, u256(4), u256(84));
testContractAgainstCpp("f(uint256,uint256)", f, u256(5), u256(2));
testContractAgainstCpp("f(uint256,uint256)", f, u256(6), u256(51));
testContractAgainstCpp("f(uint256,uint256)", f, u256(7), u256(48));
}
BOOST_AUTO_TEST_CASE(simple_mapping)
{
char const* sourceCode = R"(
contract test {
mapping(uint8 => uint8) table;
function get(uint8 k) returns (uint8 v) {
return table[k];
}
function set(uint8 k, uint8 v) {
table[k] = v;
}
}
)";
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 = R"(
contract Ballot {
mapping(address => bool) canVote;
mapping(address => uint) voteCount;
mapping(address => bool) voted;
function getVoteCount(address addr) returns (uint retVoteCount) {
return voteCount[addr];
}
function grantVoteRight(address addr) {
canVote[addr] = true;
}
function vote(address voter, address vote) returns (bool success) {
if (!canVote[voter] || voted[voter]) return false;
voted[voter] = true;
voteCount[vote] = voteCount[vote] + 1;
return true;
}
}
)";
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);
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// voting without vote right should be rejected
testContractAgainstCpp("vote(address,address)", vote, u160(0), u160(2));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// grant vote rights
testContractAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(0));
testContractAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(1));
// vote, should increase 2's vote count
testContractAgainstCpp("vote(address,address)", vote, u160(0), u160(2));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// vote again, should be rejected
testContractAgainstCpp("vote(address,address)", vote, u160(0), u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// vote without right to vote
testContractAgainstCpp("vote(address,address)", vote, u160(2), u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
// grant vote right and now vote again
testContractAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(2));
testContractAgainstCpp("vote(address,address)", vote, u160(2), u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
testContractAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
}
BOOST_AUTO_TEST_CASE(mapping_state_inc_dec)
{
char const* sourceCode = R"(
contract test {
uint value;
mapping(uint => uint) table;
function f(uint x) returns (uint y) {
value = x;
if (x > 0) table[++value] = 8;
if (x > 1) value--;
if (x > 2) table[value]++;
return --table[value++];
}
}
)";
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++];
};
testContractAgainstCppOnRange("f(uint256)", f, 0, 5);
}
BOOST_AUTO_TEST_CASE(multi_level_mapping)
{
char const* sourceCode = R"(
contract test {
mapping(uint => mapping(uint => uint)) table;
function f(uint x, uint y, uint z) returns (uint w) {
if (z == 0) return table[x][y];
else return table[x][y] = z;
}
}
)";
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;
};
testContractAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testContractAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
testContractAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(9));
testContractAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testContractAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
testContractAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(7));
testContractAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
testContractAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
}
BOOST_AUTO_TEST_CASE(structs)
{
char const* sourceCode = R"(
contract test {
struct s1 {
uint8 x;
bool y;
}
struct s2 {
uint32 z;
s1 s1data;
mapping(uint8 => s2) recursive;
}
s2 data;
function check() returns (bool ok) {
return data.z == 1 && data.s1data.x == 2 &&
data.s1data.y == true &&
data.recursive[3].recursive[4].z == 5 &&
data.recursive[4].recursive[3].z == 6 &&
data.recursive[0].s1data.y == false &&
data.recursive[4].z == 9;
}
function set() {
data.z = 1;
data.s1data.x = 2;
data.s1data.y = true;
data.recursive[3].recursive[4].z = 5;
data.recursive[4].recursive[3].z = 6;
data.recursive[0].s1data.y = false;
data.recursive[4].z = 9;
}
}
)";
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 = R"(
contract test {
struct s2 {
uint32 z;
mapping(uint8 => s2) recursive;
}
s2 data;
function check() returns (bool ok) {
return data.z == 2 &&
data.recursive[0].z == 3 &&
data.recursive[0].recursive[1].z == 0 &&
data.recursive[0].recursive[0].z == 1;
}
function set() {
data.z = 2;
var map = data.recursive;
s2 inner = map[0];
inner.z = 3;
inner.recursive[0].z = inner.recursive[1].z + 1;
}
}
)";
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 = R"(
contract test {
mapping(uint => uint) data;
function test() {
data[7] = 8;
}
function get(uint key) returns (uint value) {
return data[key];
}
}
)";
compileAndRun(sourceCode);
map<u256, byte> data;
data[7] = 8;
auto get = [&](u256 const& _x) -> u256
{
return data[_x];
};
testContractAgainstCpp("get(uint256)", get, u256(6));
testContractAgainstCpp("get(uint256)", get, u256(7));
}
BOOST_AUTO_TEST_CASE(simple_accessor)
{
char const* sourceCode = R"(
contract test {
uint256 public data;
function test() {
data = 8;
}
}
)";
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 = R"(
contract test {
uint256 public data;
bytes6 public name;
bytes32 public a_hash;
address public an_address;
function test() {
data = 8;
name = "Celina";
a_hash = sha3(123);
an_address = address(0x1337);
super_secret_data = 42;
}
uint256 super_secret_data;
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("data()") == encodeArgs(8));
BOOST_CHECK(callContractFunction("name()") == encodeArgs("Celina"));
BOOST_CHECK(callContractFunction("a_hash()") == encodeArgs(dev::keccak256(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 = R"(
contract test {
function test() payable {}
function getBalance() returns (uint256 balance) {
return address(this).balance;
}
}
)";
compileAndRun(sourceCode, 23);
BOOST_CHECK(callContractFunction("getBalance()") == encodeArgs(23));
}
BOOST_AUTO_TEST_CASE(blockchain)
{
char const* sourceCode = R"(
contract test {
function test() payable {}
function someInfo() payable returns (uint256 value, address coinbase, uint256 blockNumber) {
value = msg.value;
coinbase = block.coinbase;
blockNumber = block.number;
}
}
)";
BOOST_CHECK(m_rpc.rpcCall("miner_setEtherbase", {"\"0x1212121212121212121212121212121212121212\""}).asBool() == true);
m_rpc.test_mineBlocks(5);
compileAndRun(sourceCode, 27);
BOOST_CHECK(callContractFunctionWithValue("someInfo()", 28) == encodeArgs(28, u256("0x1212121212121212121212121212121212121212"), 7));
}
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(callContractFunction("foo(uint256)") == encodeArgs(asString(FixedHash<4>(dev::keccak256("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(callContractFunction("foo(uint256)") == encodeArgs(asString(FixedHash<4>(dev::keccak256("foo(uint256)")).asBytes())));
}
BOOST_AUTO_TEST_CASE(now)
{
char const* sourceCode = R"(
contract test {
function someInfo() returns (bool equal, uint val) {
equal = block.timestamp == now;
val = now;
}
}
)";
m_rpc.test_modifyTimestamp(0x776347e2);
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("someInfo()") == encodeArgs(true, 0x776347e3));
}
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 = R"(
contract test {
function test() payable {}
function a(address addr, uint amount) returns (uint ret) {
addr.send(amount);
return address(this).balance;
}
}
)";
u256 amount(130);
compileAndRun(sourceCode, amount + 1);
u160 address(23);
BOOST_CHECK(callContractFunction("a(address,uint256)", address, amount) == encodeArgs(1));
BOOST_CHECK_EQUAL(balanceAt(address), amount);
}
BOOST_AUTO_TEST_CASE(log0)
{
char const* sourceCode = R"(
contract test {
function a() {
log0(1);
}
}
)";
compileAndRun(sourceCode);
callContractFunction("a()");
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(1)));
BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 0);
}
BOOST_AUTO_TEST_CASE(log1)
{
char const* sourceCode = R"(
contract test {
function a() {
log1(1, 2);
}
}
)";
compileAndRun(sourceCode);
callContractFunction("a()");
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(1)));
BOOST_REQUIRE_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 = R"(
contract test {
function a() {
log2(1, 2, 3);
}
}
)";
compileAndRun(sourceCode);
callContractFunction("a()");
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(1)));
BOOST_REQUIRE_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 = R"(
contract test {
function a() {
log3(1, 2, 3, 4);
}
}
)";
compileAndRun(sourceCode);
callContractFunction("a()");
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(1)));
BOOST_REQUIRE_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 = R"(
contract test {
function a() {
log4(1, 2, 3, 4, 5);
}
}
)";
compileAndRun(sourceCode);
callContractFunction("a()");
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(1)));
BOOST_REQUIRE_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 = R"(
contract test {
function test() {
log1(1, 2);
}
}
)";
compileAndRun(sourceCode);
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(1)));
BOOST_REQUIRE_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 = R"(
contract test {
function test() payable {}
function a(address receiver) returns (uint ret) {
suicide(receiver);
return 10;
}
}
)";
u256 amount(130);
compileAndRun(sourceCode, amount);
u160 address(23);
BOOST_CHECK(callContractFunction("a(address)", address) == bytes());
BOOST_CHECK(!addressHasCode(m_contractAddress));
BOOST_CHECK_EQUAL(balanceAt(address), amount);
}
BOOST_AUTO_TEST_CASE(selfdestruct)
{
char const* sourceCode = R"(
contract test {
function test() payable {}
function a(address receiver) returns (uint ret) {
selfdestruct(receiver);
return 10;
}
}
)";
u256 amount(130);
compileAndRun(sourceCode, amount);
u160 address(23);
BOOST_CHECK(callContractFunction("a(address)", address) == bytes());
BOOST_CHECK(!addressHasCode(m_contractAddress));
BOOST_CHECK_EQUAL(balanceAt(address), amount);
}
BOOST_AUTO_TEST_CASE(sha3)
{
char const* sourceCode = R"(
contract test {
function a(bytes32 input) returns (bytes32 sha3hash) {
return sha3(input);
}
}
)";
compileAndRun(sourceCode);
auto f = [&](u256 const& _x) -> u256
{
return dev::keccak256(toBigEndian(_x));
};
testContractAgainstCpp("a(bytes32)", f, u256(4));
testContractAgainstCpp("a(bytes32)", f, u256(5));
testContractAgainstCpp("a(bytes32)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(sha256)
{
char const* sourceCode = R"(
contract test {
function a(bytes32 input) returns (bytes32 sha256hash) {
return sha256(input);
}
}
)";
compileAndRun(sourceCode);
auto f = [&](u256 const& _x) -> bytes
{
if (_x == u256(4))
return fromHex("e38990d0c7fc009880a9c07c23842e886c6bbdc964ce6bdd5817ad357335ee6f");
if (_x == u256(5))
return fromHex("96de8fc8c256fa1e1556d41af431cace7dca68707c78dd88c3acab8b17164c47");
if (_x == u256(-1))
return fromHex("af9613760f72635fbdb44a5a0a63c39f12af30f950a6ee5c971be188e89c4051");
return fromHex("");
};
testContractAgainstCpp("a(bytes32)", f, u256(4));
testContractAgainstCpp("a(bytes32)", f, u256(5));
testContractAgainstCpp("a(bytes32)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(ripemd)
{
char const* sourceCode = R"(
contract test {
function a(bytes32 input) returns (bytes32 sha256hash) {
return ripemd160(input);
}
}
)";
compileAndRun(sourceCode);
auto f = [&](u256 const& _x) -> bytes
{
if (_x == u256(4))
return fromHex("1b0f3c404d12075c68c938f9f60ebea4f74941a0000000000000000000000000");
if (_x == u256(5))
return fromHex("ee54aa84fc32d8fed5a5fe160442ae84626829d9000000000000000000000000");
if (_x == u256(-1))
return fromHex("1cf4e77f5966e13e109703cd8a0df7ceda7f3dc3000000000000000000000000");
return fromHex("");
};
testContractAgainstCpp("a(bytes32)", f, u256(4));
testContractAgainstCpp("a(bytes32)", f, u256(5));
testContractAgainstCpp("a(bytes32)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(ecrecover)
{
char const* sourceCode = R"(
contract test {
function a(bytes32 h, uint8 v, bytes32 r, bytes32 s) returns (address addr) {
return ecrecover(h, v, r, s);
}
}
)";
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_internal)
{
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_CHECK(callContractFunction("getFlag()") == encodeArgs(true));
BOOST_CHECK(callContractFunction("getName()") == encodeArgs("abc"));
}
BOOST_AUTO_TEST_CASE(constructor_arguments_external)
{
char const* sourceCode = R"(
contract Main {
bytes3 name;
bool flag;
function Main(bytes3 x, bool f) {
name = x;
flag = f;
}
function getName() returns (bytes3 ret) { return name; }
function getFlag() returns (bool ret) { return flag; }
}
)";
compileAndRun(sourceCode, 0, "Main", encodeArgs("abc", true));
BOOST_CHECK(callContractFunction("getFlag()") == encodeArgs(true));
BOOST_CHECK(callContractFunction("getName()") == encodeArgs("abc"));
}
BOOST_AUTO_TEST_CASE(constructor_with_long_arguments)
{
char const* sourceCode = R"(
contract Main {
string public a;
string public b;
function Main(string _a, string _b) {
a = _a;
b = _b;
}
}
)";
string a = "01234567890123gabddunaouhdaoneudapcgadi4567890789012oneudapcgadi4567890789012oneudapcgadi4567890789012oneudapcgadi4567890789012oneudapcgadi4567890789012oneudapcgadi4567890789012oneudapcgadi4567890789012oneudapcgadi45678907890123456789abcd123456787890123456789abcd90123456789012345678901234567890123456789aboneudapcgadi4567890789012oneudapcgadi4567890789012oneudapcgadi45678907890123456789abcd123456787890123456789abcd90123456789012345678901234567890123456789aboneudapcgadi4567890789012oneudapcgadi4567890789012oneudapcgadi45678907890123456789abcd123456787890123456789abcd90123456789012345678901234567890123456789aboneudapcgadi4567890789012cdef";
string b = "AUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PYAUTAHIACIANOTUHAOCUHAOEUNAOEHUNTHDYDHPYDRCPYDRSTITOEUBXHUDGO>PY";
compileAndRun(sourceCode, 0, "Main", encodeArgs(
u256(0x40),
u256(0x40 + 0x20 + ((a.length() + 31) / 32) * 32),
u256(a.length()),
a,
u256(b.length()),
b
));
BOOST_CHECK(callContractFunction("a()") == encodeDyn(a));
BOOST_CHECK(callContractFunction("b()") == encodeDyn(b));
}
BOOST_AUTO_TEST_CASE(constructor_static_array_argument)
{
char const* sourceCode = R"(
contract C {
uint public a;
uint[3] public b;
function C(uint _a, uint[3] _b) {
a = _a;
b = _b;
}
}
)";
compileAndRun(sourceCode, 0, "C", encodeArgs(u256(1), u256(2), u256(3), u256(4)));
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("b(uint256)", u256(0)) == encodeArgs(u256(2)));
BOOST_CHECK(callContractFunction("b(uint256)", u256(1)) == encodeArgs(u256(3)));
BOOST_CHECK(callContractFunction("b(uint256)", u256(2)) == encodeArgs(u256(4)));
}
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 {
function() payable { } // can receive ether
}
contract test {
helper h;
function test() payable { h = new helper(); h.send(5); }
function getBalance() returns (uint256 myBalance, uint256 helperBalance) {
myBalance = this.balance;
helperBalance = h.balance;
}
}
)";
compileAndRun(sourceCode, 20);
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 20 - 5);
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() payable returns (uint256 myBalance) {
return this.balance;
}
function setFlag() { flag = true; }
function getFlag() returns (bool fl) { return flag; }
}
contract test {
helper h;
function test() payable { h = new helper(); }
function sendAmount(uint amount) payable 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()") == bytes());
BOOST_REQUIRE(callContractFunction("checkState()") == 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("0x8eb208f7e05d987a9b044a8e98c6b087f15a0bfc000000000000000000000000"), true));
}
BOOST_AUTO_TEST_CASE(value_complex)
{
char const* sourceCode = R"(
contract helper {
function getBalance() payable returns (uint256 myBalance) {
return this.balance;
}
}
contract test {
helper h;
function test() payable { h = new helper(); }
function sendAmount(uint amount) payable 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() payable returns (uint256 myBalance) {
return this.balance;
}
}
contract test {
helper h;
function test() payable { 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) payable {
name = x;
flag = f;
}
function getName() returns (bytes3 ret) { return name; }
function getFlag() returns (bool ret) { return flag; }
}
contract Main {
Helper h;
function Main() payable {
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_class)
{
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(internal_constructor)
{
char const* sourceCode = R"(
contract C {
function C() internal {}
}
)";
BOOST_CHECK(compileAndRunWithoutCheck(sourceCode, 0, "C").empty());
}
BOOST_AUTO_TEST_CASE(function_modifier)
{
char const* sourceCode = R"(
contract C {
function getOne() payable 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)
{
// Note that return sets the return variable and jumps to the end of the current function or
// modifier code block.
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(2));
}
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 { if (false) _; }
}
)";
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(); if (false) _; }
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(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(super_alone)
{
char const* sourceCode = R"(
contract A { function f() { super; } }
)";
compileAndRun(sourceCode, 0, "A");
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(fallback_function)
{
char const* sourceCode = R"(
contract A {
uint data;
function() { data = 1; }
function getData() returns (uint r) { return data; }
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0));
BOOST_CHECK(callContractFunction("") == encodeArgs());
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(inherited_fallback_function)
{
char const* sourceCode = R"(
contract A {
uint data;
function() { data = 1; }
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());
BOOST_CHECK(callContractFunction("getData()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(default_fallback_throws)
{
char const* sourceCode = R"(
contract A {
function f() returns (bool) {
return this.call();
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(0));
}
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) payable {
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::keccak256(string("Deposit(address,bytes32,uint256)")));
BOOST_CHECK_EQUAL(m_logs[0].topics[1], h256(m_sender, h256::AlignRight));
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::keccak256(string("Deposit()")));
}
BOOST_AUTO_TEST_CASE(event_access_through_base_name)
{
char const* sourceCode = R"(
contract A {
event x();
}
contract B is A {
function f() returns (uint) {
A.x();
return 1;
}
}
)";
compileAndRun(sourceCode);
callContractFunction("f()");
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::keccak256(string("x()")));
}
BOOST_AUTO_TEST_CASE(events_with_same_name)
{
char const* sourceCode = R"(
contract ClientReceipt {
event Deposit;
event Deposit(address _addr);
event Deposit(address _addr, uint _amount);
function deposit() returns (uint) {
Deposit();
return 1;
}
function deposit(address _addr) returns (uint) {
Deposit(_addr);
return 1;
}
function deposit(address _addr, uint _amount) returns (uint) {
Deposit(_addr, _amount);
return 1;
}
}
)";
u160 const c_loggedAddress = m_contractAddress;
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("deposit()") == encodeArgs(u256(1)));
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::keccak256(string("Deposit()")));
BOOST_CHECK(callContractFunction("deposit(address)", c_loggedAddress) == encodeArgs(u256(1)));
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK(m_logs[0].data == encodeArgs(c_loggedAddress));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::keccak256(string("Deposit(address)")));
BOOST_CHECK(callContractFunction("deposit(address,uint256)", c_loggedAddress, u256(100)) == encodeArgs(u256(1)));
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK(m_logs[0].data == encodeArgs(c_loggedAddress, 100));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::keccak256(string("Deposit(address,uint256)")));
}
BOOST_AUTO_TEST_CASE(events_with_same_name_inherited)
{
char const* sourceCode = R"(
contract A {
event Deposit;
}
contract B {
event Deposit(address _addr);
}
contract ClientReceipt is A, B {
event Deposit(address _addr, uint _amount);
function deposit() returns (uint) {
Deposit();
return 1;
}
function deposit(address _addr) returns (uint) {
Deposit(_addr);
return 1;
}
function deposit(address _addr, uint _amount) returns (uint) {
Deposit(_addr, _amount);
return 1;
}
}
)";
u160 const c_loggedAddress = m_contractAddress;
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("deposit()") == encodeArgs(u256(1)));
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::keccak256(string("Deposit()")));
BOOST_CHECK(callContractFunction("deposit(address)", c_loggedAddress) == encodeArgs(u256(1)));
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK(m_logs[0].data == encodeArgs(c_loggedAddress));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::keccak256(string("Deposit(address)")));
BOOST_CHECK(callContractFunction("deposit(address,uint256)", c_loggedAddress, u256(100)) == encodeArgs(u256(1)));
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK(m_logs[0].data == encodeArgs(c_loggedAddress, 100));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::keccak256(string("Deposit(address,uint256)")));
}
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 indexed _value, uint indexed _value2, bytes32 data) anonymous;
function deposit(bytes32 _id, bool _manually) payable {
Deposit(msg.sender, _id, msg.value, 2, "abc");
}
}
)";
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(m_logs[0].data == encodeArgs("abc"));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 4);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(m_sender, h256::AlignRight));
BOOST_CHECK_EQUAL(m_logs[0].topics[1], h256(id));
BOOST_CHECK_EQUAL(m_logs[0].topics[2], h256(value));
BOOST_CHECK_EQUAL(m_logs[0].topics[3], h256(2));
}
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) payable {
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::keccak256(string("Deposit(address,bytes32,uint256,bool)")));
}
BOOST_AUTO_TEST_CASE(event_really_lots_of_data)
{
char const* sourceCode = R"(
contract ClientReceipt {
event Deposit(uint fixeda, bytes dynx, uint fixedb);
function deposit() {
Deposit(10, msg.data, 15);
}
}
)";
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 == encodeArgs(10, 0x60, 15, 4) + FixedHash<4>(dev::keccak256("deposit()")).asBytes());
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::keccak256(string("Deposit(uint256,bytes,uint256)")));
}
BOOST_AUTO_TEST_CASE(event_really_lots_of_data_from_storage)
{
char const* sourceCode = R"(
contract ClientReceipt {
bytes x;
event Deposit(uint fixeda, bytes dynx, uint fixedb);
function deposit() {
x.length = 3;
x[0] = "A";
x[1] = "B";
x[2] = "C";
Deposit(10, x, 15);
}
}
)";
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 == encodeArgs(10, 0x60, 15, 3, string("ABC")));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::keccak256(string("Deposit(uint256,bytes,uint256)")));
}
BOOST_AUTO_TEST_CASE(event_indexed_string)
{
char const* sourceCode = R"(
contract C {
string x;
uint[4] y;
event E(string indexed r, uint[4] indexed t);
function deposit() {
bytes(x).length = 90;
for (uint i = 0; i < 90; i++)
bytes(x)[i] = byte(i);
y[0] = 4;
y[1] = 5;
y[2] = 6;
y[3] = 7;
E(x, y);
}
}
)";
compileAndRun(sourceCode);
callContractFunction("deposit()");
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
string dynx(90, 0);
for (size_t i = 0; i < dynx.size(); ++i)
dynx[i] = i;
BOOST_CHECK(m_logs[0].data == bytes());
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 3);
BOOST_CHECK_EQUAL(m_logs[0].topics[1], dev::keccak256(dynx));
BOOST_CHECK_EQUAL(m_logs[0].topics[2], dev::keccak256(
encodeArgs(u256(4), u256(5), u256(6), u256(7))
));
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::keccak256(string("E(string,uint256[4])")));
}
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::keccak256(
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::keccak256(
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::keccak256("foo")));
BOOST_CHECK(callContractFunction("bar(uint256,uint16)", 10, 12) == encodeArgs(
dev::keccak256(
toBigEndian(u256(10)) +
bytes{0x0, 0xc} +
bytes(1, 0x91) +
bytes{0x66, 0x6f, 0x6f})));
}
BOOST_AUTO_TEST_CASE(sha3_with_bytes)
{
char const* sourceCode = R"(
contract c {
bytes data;
function foo() returns (bool)
{
data.length = 3;
data[0] = "f";
data[1] = "o";
data[2] = "o";
return sha3(data) == sha3("foo");
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("foo()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(iterated_sha3_with_bytes)
{
char const* sourceCode = R"(
contract c {
bytes data;
function foo() returns (bytes32)
{
data.length = 3;
data[0] = "x";
data[1] = "y";
data[2] = "z";
return sha3("b", sha3(data), "a");
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("foo()") == encodeArgs(
u256(dev::keccak256(bytes{'b'} + dev::keccak256("xyz").asBytes() + bytes{'a'}))
));
}
BOOST_AUTO_TEST_CASE(keccak256_multiple_arguments)
{
char const* sourceCode = R"(
contract c {
function foo(uint a, uint b, uint c) returns (bytes32 d)
{
d = keccak256(a, b, c);
}
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("foo(uint256,uint256,uint256)", 10, 12, 13) == encodeArgs(
dev::keccak256(
toBigEndian(u256(10)) +
toBigEndian(u256(12)) +
toBigEndian(u256(13))
)
));
}
BOOST_AUTO_TEST_CASE(generic_call)
{
char const* sourceCode = R"**(
contract receiver {
uint public received;
function receive(uint256 x) payable { received = x; }
}
contract sender {
function sender() payable {}
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(balanceAt(m_contractAddress), 50 - 2);
}
BOOST_AUTO_TEST_CASE(generic_callcode)
{
char const* sourceCode = R"**(
contract Receiver {
uint public received;
function receive(uint256 x) payable { received = x; }
}
contract Sender {
uint public received;
function Sender() payable { }
function doSend(address rec) returns (uint d)
{
bytes4 signature = bytes4(bytes32(sha3("receive(uint256)")));
rec.callcode.value(2)(signature, 23);
return Receiver(rec).received();
}
}
)**";
compileAndRun(sourceCode, 0, "Receiver");
u160 const c_receiverAddress = m_contractAddress;
compileAndRun(sourceCode, 50, "Sender");
u160 const c_senderAddress = m_contractAddress;
BOOST_CHECK(callContractFunction("doSend(address)", c_receiverAddress) == encodeArgs(0));
BOOST_CHECK(callContractFunction("received()") == encodeArgs(23));
m_contractAddress = c_receiverAddress;
BOOST_CHECK(callContractFunction("received()") == encodeArgs(0));
BOOST_CHECK(storageEmpty(c_receiverAddress));
BOOST_CHECK(!storageEmpty(c_senderAddress));
BOOST_CHECK_EQUAL(balanceAt(c_receiverAddress), 0);
BOOST_CHECK_EQUAL(balanceAt(c_senderAddress), 50);
}
BOOST_AUTO_TEST_CASE(generic_delegatecall)
{
char const* sourceCode = R"**(
contract Receiver {
uint public received;
address public sender;
uint public value;
function Receiver() payable {}
function receive(uint256 x) payable { received = x; sender = msg.sender; value = msg.value; }
}
contract Sender {
uint public received;
address public sender;
uint public value;
function Sender() payable {}
function doSend(address rec) payable
{
bytes4 signature = bytes4(bytes32(sha3("receive(uint256)")));
if (rec.delegatecall(signature, 23)) {}
}
}
)**";
compileAndRun(sourceCode, 0, "Receiver");
u160 const c_receiverAddress = m_contractAddress;
compileAndRun(sourceCode, 50, "Sender");
u160 const c_senderAddress = m_contractAddress;
BOOST_CHECK(m_sender != c_senderAddress); // just for sanity
BOOST_CHECK(callContractFunctionWithValue("doSend(address)", 11, c_receiverAddress) == encodeArgs());
BOOST_CHECK(callContractFunction("received()") == encodeArgs(u256(23)));
BOOST_CHECK(callContractFunction("sender()") == encodeArgs(u160(m_sender)));
BOOST_CHECK(callContractFunction("value()") == encodeArgs(u256(11)));
m_contractAddress = c_receiverAddress;
BOOST_CHECK(callContractFunction("received()") == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("sender()") == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("value()") == encodeArgs(u256(0)));
BOOST_CHECK(storageEmpty(c_receiverAddress));
BOOST_CHECK(!storageEmpty(c_senderAddress));
BOOST_CHECK_EQUAL(balanceAt(c_receiverAddress), 0);
BOOST_CHECK_EQUAL(balanceAt(c_senderAddress), 50 + 11);
}
BOOST_AUTO_TEST_CASE(library_call_in_homestead)
{
char const* sourceCode = R"(
library Lib { function m() returns (address) { return msg.sender; } }
contract Test {
address public sender;
function f() {
sender = Lib.m();
}
}
)";
compileAndRun(sourceCode, 0, "Lib");
compileAndRun(sourceCode, 0, "Test", bytes(), map<string, Address>{{"Lib", m_contractAddress}});
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
BOOST_CHECK(callContractFunction("sender()") == encodeArgs(u160(m_sender)));
}
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 f() returns (bytes32) {
return sha3("abc", msg.data);
}
}
)";
compileAndRun(sourceCode);
bytes calldata1 = FixedHash<4>(dev::keccak256("f()")).asBytes() + bytes(61, 0x22) + bytes(12, 0x12);
sendMessage(calldata1, false);
BOOST_CHECK(m_output == encodeArgs(dev::keccak256(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(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("del()", 7) == encodeArgs(true));
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(!storageEmpty(m_contractAddress));
sendMessage(bytes(), false);
BOOST_CHECK(m_output == bytes());
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("reset()") == encodeArgs(true));
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(!storageEmpty(m_contractAddress));
// copy shorter to longer
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 1, 2) == encodeArgs(true));
BOOST_CHECK(!storageEmpty(m_contractAddress));
// copy empty to both
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 99, 1) == encodeArgs(true));
BOOST_CHECK(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 99, 2) == encodeArgs(true));
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("set(uint256,bytes,uint256)", 12, u256(data.length()), 13, data) == encodeArgs(true));
BOOST_CHECK(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("copy()") == encodeArgs(true));
BOOST_CHECK(storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("set(uint256,bytes,uint256)", 12, u256(data.length()), 13, data) == encodeArgs(true));
BOOST_CHECK(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("del()") == encodeArgs(true));
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(enum_explicit_overflow)
{
char const* sourceCode = R"(
contract test {
enum ActionChoices { GoLeft, GoRight, GoStraight }
function test()
{
}
function getChoiceExp(uint x) returns (uint d)
{
choice = ActionChoices(x);
d = uint256(choice);
}
function getChoiceFromSigned(int x) returns (uint d)
{
choice = ActionChoices(x);
d = uint256(choice);
}
function getChoiceFromNegativeLiteral() returns (uint d)
{
choice = ActionChoices(-1);
d = uint256(choice);
}
ActionChoices choice;
}
)";
compileAndRun(sourceCode);
// These should throw
BOOST_CHECK(callContractFunction("getChoiceExp(uint256)", 3) == encodeArgs());
BOOST_CHECK(callContractFunction("getChoiceFromSigned(int256)", -1) == encodeArgs());
BOOST_CHECK(callContractFunction("getChoiceFromNegativeLiteral()") == encodeArgs());
// These should work
BOOST_CHECK(callContractFunction("getChoiceExp(uint256)", 2) == encodeArgs(2));
BOOST_CHECK(callContractFunction("getChoiceExp(uint256)", 0) == encodeArgs(0));
}
BOOST_AUTO_TEST_CASE(using_contract_enums_with_explicit_contract_name)
{
char const* sourceCode = R"(
contract test {
enum Choice { A, B, C }
function answer () returns (test.Choice _ret)
{
_ret = test.Choice.B;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("answer()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(using_inherited_enum)
{
char const* sourceCode = R"(
contract base {
enum Choice { A, B, C }
}
contract test is base {
function answer () returns (Choice _ret)
{
_ret = Choice.B;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("answer()") == encodeArgs(1));
}
BOOST_AUTO_TEST_CASE(using_inherited_enum_excplicitly)
{
char const* sourceCode = R"(
contract base {
enum Choice { A, B, C }
}
contract test is base {
function answer () returns (base.Choice _ret)
{
_ret = base.Choice.B;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("answer()") == encodeArgs(1));
}
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::keccak256("f(uint256,uint256)")).asBytes() + encodeArgs(8, 9));
string innercalldata2 = asString(FixedHash<4>(dev::keccak256("g(uint256)")).asBytes() + encodeArgs(3));
bytes calldata = encodeArgs(
12, 32 * 4, u256(32 * 4 + 32 + (innercalldata1.length() + 31) / 32 * 32), 13,
u256(innercalldata1.length()), innercalldata1,
u256(innercalldata2.length()), 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(storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("fill()") == bytes());
BOOST_CHECK(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("clear()") == bytes());
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("fill()") == bytes());
BOOST_CHECK(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("clear()") == bytes());
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("fill()") == bytes());
BOOST_CHECK(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("halfClear()") == bytes());
BOOST_CHECK(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("fullClear()") == bytes());
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("fill()") == encodeArgs(8));
BOOST_CHECK(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("clear()") == bytes());
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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(storageEmpty(m_contractAddress));
}
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(storageEmpty(m_contractAddress));
}
BOOST_AUTO_TEST_CASE(array_push)
{
char const* sourceCode = R"(
contract c {
uint[] data;
function test() returns (uint x, uint y, uint z, uint l) {
data.push(5);
x = data[0];
data.push(4);
y = data[1];
l = data.push(3);
z = data[2];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(5, 4, 3, 3));
}
BOOST_AUTO_TEST_CASE(byte_array_push)
{
char const* sourceCode = R"(
contract c {
bytes data;
function test() returns (bool x) {
if (data.push(5) != 1) return true;
if (data[0] != 5) return true;
data.push(4);
if (data[1] != 4) return true;
uint l = data.push(3);
if (data[2] != 3) return true;
if (l != 3) return true;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(false));
}
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
32 * (8 + 1 + 5 + 1 + 1 + 1), // offset to b
21, 22, 23, 24, 25, // c
0, 1, 2, // (a,b,c)_index
3, // b.length
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)", 64, 33, u256(array.length()), array) == encodeArgs(33));
BOOST_CHECK(callContractFunction("storageCopyRead(bytes,uint256)", 64, 33, u256(array.length()), array) == encodeArgs(33));
BOOST_CHECK(callContractFunction("storageWrite()") == encodeArgs(0x193));
}
BOOST_AUTO_TEST_CASE(bytes_delete_element)
{
char const* sourceCode = R"(
contract c {
bytes data;
function test1() external returns (bool) {
data.length = 100;
for (uint i = 0; i < data.length; i++)
data[i] = byte(i);
delete data[94];
delete data[96];
delete data[98];
return data[94] == 0 && data[95] == 95 && data[96] == 0 && data[97] == 97;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test1()") == encodeArgs(true));
}
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
u256(32 * (9 + 1)),
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(
32, 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(!storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("clear()") == encodeArgs(7));
BOOST_CHECK(storageEmpty(m_contractAddress));
}
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, string 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(storageEmpty(m_contractAddress));
}
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(bool_conversion)
{
char const* sourceCode = R"(
contract C {
function f(bool _b) returns(uint) {
if (_b)
return 1;
else
return 0;
}
function g(bool _in) returns (bool _out) {
_out = _in;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(bool)", 0) == encodeArgs(0));
BOOST_CHECK(callContractFunction("f(bool)", 1) == encodeArgs(1));
BOOST_CHECK(callContractFunction("f(bool)", 2) == encodeArgs(1));
BOOST_CHECK(callContractFunction("f(bool)", 3) == encodeArgs(1));
BOOST_CHECK(callContractFunction("f(bool)", 255) == encodeArgs(1));
BOOST_CHECK(callContractFunction("g(bool)", 0) == encodeArgs(0));
BOOST_CHECK(callContractFunction("g(bool)", 1) == encodeArgs(1));
BOOST_CHECK(callContractFunction("g(bool)", 2) == encodeArgs(1));
BOOST_CHECK(callContractFunction("g(bool)", 3) == encodeArgs(1));
BOOST_CHECK(callContractFunction("g(bool)", 255) == encodeArgs(1));
}
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_CASE(external_types_in_calls)
{
char const* sourceCode = R"(
contract C1 { C1 public bla; function C1(C1 x) { bla = x; } }
contract C {
function test() returns (C1 x, C1 y) {
C1 c = new C1(C1(9));
x = c.bla();
y = this.t1(C1(7));
}
function t1(C1 a) returns (C1) { return a; }
function t2() returns (C1) { return C1(9); }
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(9), u256(7)));
BOOST_CHECK(callContractFunction("t2()") == encodeArgs(u256(9)));
}
BOOST_AUTO_TEST_CASE(invalid_enum_compared)
{
char const* sourceCode = R"(
contract C {
enum X { A, B }
function test_eq() returns (bool) {
X garbled;
assembly {
garbled := 5
}
return garbled == garbled;
}
function test_eq_ok() returns (bool) {
X garbled = X.A;
return garbled == garbled;
}
function test_neq() returns (bool) {
X garbled;
assembly {
garbled := 5
}
return garbled != garbled;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test_eq_ok()") == encodeArgs(u256(1)));
// both should throw
BOOST_CHECK(callContractFunction("test_eq()") == encodeArgs());
BOOST_CHECK(callContractFunction("test_neq()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(invalid_enum_logged)
{
char const* sourceCode = R"(
contract C {
enum X { A, B }
event Log(X);
function test_log() returns (uint) {
X garbled = X.A;
assembly {
garbled := 5
}
Log(garbled);
return 1;
}
function test_log_ok() returns (uint) {
X x = X.A;
Log(x);
return 1;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test_log_ok()") == encodeArgs(u256(1)));
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_REQUIRE_EQUAL(m_logs[0].topics[0], dev::keccak256(string("Log(uint8)")));
BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(0)));
// should throw
BOOST_CHECK(callContractFunction("test_log()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(invalid_enum_stored)
{
char const* sourceCode = R"(
contract C {
enum X { A, B }
X public x;
function test_store() returns (uint) {
X garbled = X.A;
assembly {
garbled := 5
}
x = garbled;
return 1;
}
function test_store_ok() returns (uint) {
x = X.A;
return 1;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test_store_ok()") == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(0)));
// should throw
BOOST_CHECK(callContractFunction("test_store()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(invalid_enum_as_external_ret)
{
char const* sourceCode = R"(
contract C {
enum X { A, B }
function test_return() returns (X) {
X garbled;
assembly {
garbled := 5
}
return garbled;
}
function test_inline_assignment() returns (X _ret) {
assembly {
_ret := 5
}
}
function test_assignment() returns (X _ret) {
X tmp;
assembly {
tmp := 5
}
_ret = tmp;
}
}
)";
compileAndRun(sourceCode, 0, "C");
// both should throw
BOOST_CHECK(callContractFunction("test_return()") == encodeArgs());
BOOST_CHECK(callContractFunction("test_inline_assignment()") == encodeArgs());
BOOST_CHECK(callContractFunction("test_assignment()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(invalid_enum_as_external_arg)
{
char const* sourceCode = R"(
contract C {
enum X { A, B }
function tested (X x) returns (uint) {
return 1;
}
function test() returns (uint) {
X garbled;
assembly {
garbled := 5
}
return this.tested(garbled);
}
}
)";
compileAndRun(sourceCode, 0, "C");
// should throw
BOOST_CHECK(callContractFunction("test()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(proper_order_of_overwriting_of_attributes)
{
// bug #1798
char const* sourceCode = R"(
contract init {
function isOk() returns (bool) { return false; }
bool public ok = false;
}
contract fix {
function isOk() returns (bool) { return true; }
bool public ok = true;
}
contract init_fix is init, fix {
function checkOk() returns (bool) { return ok; }
}
contract fix_init is fix, init {
function checkOk() returns (bool) { return ok; }
}
)";
compileAndRun(sourceCode, 0, "init_fix");
BOOST_CHECK(callContractFunction("isOk()") == encodeArgs(true));
BOOST_CHECK(callContractFunction("ok()") == encodeArgs(true));
compileAndRun(sourceCode, 0, "fix_init");
BOOST_CHECK(callContractFunction("isOk()") == encodeArgs(false));
BOOST_CHECK(callContractFunction("ok()") == encodeArgs(false));
}
BOOST_AUTO_TEST_CASE(struct_assign_reference_to_struct)
{
char const* sourceCode = R"(
contract test {
struct testStruct
{
uint m_value;
}
testStruct data1;
testStruct data2;
testStruct data3;
function test()
{
data1.m_value = 2;
}
function assign() returns (uint ret_local, uint ret_global, uint ret_global3, uint ret_global1)
{
testStruct x = data1; //x is a reference data1.m_value == 2 as well as x.m_value = 2
data2 = data1; // should copy data. data2.m_value == 2
ret_local = x.m_value; // = 2
ret_global = data2.m_value; // = 2
x.m_value = 3;
data3 = x; //should copy the data. data3.m_value == 3
ret_global3 = data3.m_value; // = 3
ret_global1 = data1.m_value; // = 3. Changed due to the assignment to x.m_value
}
}
)";
compileAndRun(sourceCode, 0, "test");
BOOST_CHECK(callContractFunction("assign()") == encodeArgs(2, 2, 3, 3));
}
BOOST_AUTO_TEST_CASE(struct_delete_member)
{
char const* sourceCode = R"(
contract test {
struct testStruct
{
uint m_value;
}
testStruct data1;
function test()
{
data1.m_value = 2;
}
function deleteMember() returns (uint ret_value)
{
testStruct x = data1; //should not copy the data. data1.m_value == 2 but x.m_value = 0
x.m_value = 4;
delete x.m_value;
ret_value = data1.m_value;
}
}
)";
compileAndRun(sourceCode, 0, "test");
BOOST_CHECK(callContractFunction("deleteMember()") == encodeArgs(0));
}
BOOST_AUTO_TEST_CASE(struct_delete_struct_in_mapping)
{
char const* sourceCode = R"(
contract test {
struct testStruct
{
uint m_value;
}
mapping (uint => testStruct) campaigns;
function test()
{
campaigns[0].m_value = 2;
}
function deleteIt() returns (uint)
{
delete campaigns[0];
return campaigns[0].m_value;
}
}
)";
compileAndRun(sourceCode, 0, "test");
BOOST_CHECK(callContractFunction("deleteIt()") == encodeArgs(0));
}
BOOST_AUTO_TEST_CASE(evm_exceptions_out_of_band_access)
{
char const* sourceCode = R"(
contract A {
uint[3] arr;
bool public test = false;
function getElement(uint i) returns (uint)
{
return arr[i];
}
function testIt() returns (bool)
{
uint i = this.getElement(5);
test = true;
return true;
}
}
)";
compileAndRun(sourceCode, 0, "A");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(false));
BOOST_CHECK(callContractFunction("testIt()") == encodeArgs());
BOOST_CHECK(callContractFunction("test()") == encodeArgs(false));
}
BOOST_AUTO_TEST_CASE(evm_exceptions_in_constructor_call_fail)
{
char const* sourceCode = R"(
contract A {
function A()
{
this.call("123");
}
}
contract B {
uint public test = 1;
function testIt()
{
A a = new A();
++test;
}
}
)";
compileAndRun(sourceCode, 0, "B");
BOOST_CHECK(callContractFunction("testIt()") == encodeArgs());
BOOST_CHECK(callContractFunction("test()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(evm_exceptions_in_constructor_out_of_baund)
{
char const* sourceCode = R"(
contract A {
uint public test = 1;
uint[3] arr;
function A()
{
uint index = 5;
test = arr[index];
++test;
}
}
)";
BOOST_CHECK(compileAndRunWithoutCheck(sourceCode, 0, "A").empty());
}
BOOST_AUTO_TEST_CASE(positive_integers_to_signed)
{
char const* sourceCode = R"(
contract test {
int8 public x = 2;
int8 public y = 127;
int16 public q = 250;
}
)";
compileAndRun(sourceCode, 0, "test");
BOOST_CHECK(callContractFunction("x()") == encodeArgs(2));
BOOST_CHECK(callContractFunction("y()") == encodeArgs(127));
BOOST_CHECK(callContractFunction("q()") == encodeArgs(250));
}
BOOST_AUTO_TEST_CASE(failing_send)
{
char const* sourceCode = R"(
contract Helper {
uint[] data;
function () {
data[9]; // trigger exception
}
}
contract Main {
function Main() payable {}
function callHelper(address _a) returns (bool r, uint bal) {
r = !_a.send(5);
bal = this.balance;
}
}
)";
compileAndRun(sourceCode, 0, "Helper");
u160 const c_helperAddress = m_contractAddress;
compileAndRun(sourceCode, 20, "Main");
BOOST_REQUIRE(callContractFunction("callHelper(address)", c_helperAddress) == encodeArgs(true, 20));
}
BOOST_AUTO_TEST_CASE(send_zero_ether)
{
// Sending zero ether to a contract should still invoke the fallback function
// (it previously did not because the gas stipend was not provided by the EVM)
char const* sourceCode = R"(
contract Receiver {
function () payable {
}
}
contract Main {
function Main() payable {}
function s() returns (bool) {
var r = new Receiver();
return r.send(0);
}
}
)";
compileAndRun(sourceCode, 20, "Main");
BOOST_REQUIRE(callContractFunction("s()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(reusing_memory)
{
// Invoke some features that use memory and test that they do not interfere with each other.
char const* sourceCode = R"(
contract Helper {
uint public flag;
function Helper(uint x) {
flag = x;
}
}
contract Main {
mapping(uint => uint) map;
function f(uint x) returns (uint) {
map[x] = x;
return (new Helper(uint(sha3(this.g(map[x]))))).flag();
}
function g(uint a) returns (uint)
{
return map[a];
}
}
)";
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("f(uint256)", 0x34) == encodeArgs(dev::keccak256(dev::toBigEndian(u256(0x34)))));
}
BOOST_AUTO_TEST_CASE(return_string)
{
char const* sourceCode = R"(
contract Main {
string public s;
function set(string _s) external {
s = _s;
}
function get1() returns (string r) {
return s;
}
function get2() returns (string r) {
r = s;
}
}
)";
compileAndRun(sourceCode, 0, "Main");
string s("Julia");
bytes args = encodeArgs(u256(0x20), u256(s.length()), s);
BOOST_REQUIRE(callContractFunction("set(string)", asString(args)) == encodeArgs());
BOOST_CHECK(callContractFunction("get1()") == args);
BOOST_CHECK(callContractFunction("get2()") == args);
BOOST_CHECK(callContractFunction("s()") == args);
}
BOOST_AUTO_TEST_CASE(return_multiple_strings_of_various_sizes)
{
char const* sourceCode = R"(
contract Main {
string public s1;
string public s2;
function set(string _s1, uint x, string _s2) external returns (uint) {
s1 = _s1;
s2 = _s2;
return x;
}
function get() returns (string r1, string r2) {
r1 = s1;
r2 = s2;
}
}
)";
compileAndRun(sourceCode, 0, "Main");
string s1(
"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
);
string s2(
"ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ"
"ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ"
"ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ"
"ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ"
"ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ"
);
vector<size_t> lengthes{0, 30, 32, 63, 64, 65, 210, 300};
for (auto l1: lengthes)
for (auto l2: lengthes)
{
bytes dyn1 = encodeArgs(u256(l1), s1.substr(0, l1));
bytes dyn2 = encodeArgs(u256(l2), s2.substr(0, l2));
bytes args = encodeArgs(u256(0x60), u256(l1), u256(0x60 + dyn1.size())) + dyn1 + dyn2;
BOOST_REQUIRE(
callContractFunction("set(string,uint256,string)", asString(args)) ==
encodeArgs(u256(l1))
);
bytes result = encodeArgs(u256(0x40), u256(0x40 + dyn1.size())) + dyn1 + dyn2;
BOOST_CHECK(callContractFunction("get()") == result);
BOOST_CHECK(callContractFunction("s1()") == encodeArgs(0x20) + dyn1);
BOOST_CHECK(callContractFunction("s2()") == encodeArgs(0x20) + dyn2);
}
}
BOOST_AUTO_TEST_CASE(accessor_involving_strings)
{
char const* sourceCode = R"(
contract Main {
struct stringData { string a; uint b; string c; }
mapping(uint => stringData[]) public data;
function set(uint x, uint y, string a, uint b, string c) external returns (bool) {
data[x].length = y + 1;
data[x][y].a = a;
data[x][y].b = b;
data[x][y].c = c;
return true;
}
}
)";
compileAndRun(sourceCode, 0, "Main");
string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
string s2("ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ");
bytes s1Data = encodeArgs(u256(s1.length()), s1);
bytes s2Data = encodeArgs(u256(s2.length()), s2);
u256 b = 765;
u256 x = 7;
u256 y = 123;
bytes args = encodeArgs(x, y, u256(0xa0), b, u256(0xa0 + s1Data.size()), s1Data, s2Data);
bytes result = encodeArgs(u256(0x60), b, u256(0x60 + s1Data.size()), s1Data, s2Data);
BOOST_REQUIRE(callContractFunction("set(uint256,uint256,string,uint256,string)", asString(args)) == encodeArgs(true));
BOOST_REQUIRE(callContractFunction("data(uint256,uint256)", x, y) == result);
}
BOOST_AUTO_TEST_CASE(bytes_in_function_calls)
{
char const* sourceCode = R"(
contract Main {
string public s1;
string public s2;
function set(string _s1, uint x, string _s2) returns (uint) {
s1 = _s1;
s2 = _s2;
return x;
}
function setIndirectFromMemory(string _s1, uint x, string _s2) returns (uint) {
return this.set(_s1, x, _s2);
}
function setIndirectFromCalldata(string _s1, uint x, string _s2) external returns (uint) {
return this.set(_s1, x, _s2);
}
}
)";
compileAndRun(sourceCode, 0, "Main");
string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
string s2("ABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZABCDEFGHIJKLMNOPQRSTUVXYZ");
vector<size_t> lengthes{0, 31, 64, 65};
for (auto l1: lengthes)
for (auto l2: lengthes)
{
bytes dyn1 = encodeArgs(u256(l1), s1.substr(0, l1));
bytes dyn2 = encodeArgs(u256(l2), s2.substr(0, l2));
bytes args1 = encodeArgs(u256(0x60), u256(l1), u256(0x60 + dyn1.size())) + dyn1 + dyn2;
BOOST_REQUIRE(
callContractFunction("setIndirectFromMemory(string,uint256,string)", asString(args1)) ==
encodeArgs(u256(l1))
);
BOOST_CHECK(callContractFunction("s1()") == encodeArgs(0x20) + dyn1);
BOOST_CHECK(callContractFunction("s2()") == encodeArgs(0x20) + dyn2);
// swapped
bytes args2 = encodeArgs(u256(0x60), u256(l1), u256(0x60 + dyn2.size())) + dyn2 + dyn1;
BOOST_REQUIRE(
callContractFunction("setIndirectFromCalldata(string,uint256,string)", asString(args2)) ==
encodeArgs(u256(l1))
);
BOOST_CHECK(callContractFunction("s1()") == encodeArgs(0x20) + dyn2);
BOOST_CHECK(callContractFunction("s2()") == encodeArgs(0x20) + dyn1);
}
}
BOOST_AUTO_TEST_CASE(return_bytes_internal)
{
char const* sourceCode = R"(
contract Main {
bytes s1;
function doSet(bytes _s1) returns (bytes _r1) {
s1 = _s1;
_r1 = s1;
}
function set(bytes _s1) external returns (uint _r, bytes _r1) {
_r1 = doSet(_s1);
_r = _r1.length;
}
}
)";
compileAndRun(sourceCode, 0, "Main");
string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
vector<size_t> lengthes{0, 31, 64, 65};
for (auto l1: lengthes)
{
bytes dyn1 = encodeArgs(u256(l1), s1.substr(0, l1));
bytes args1 = encodeArgs(u256(0x20)) + dyn1;
BOOST_REQUIRE(
callContractFunction("set(bytes)", asString(args1)) ==
encodeArgs(u256(l1), u256(0x40)) + dyn1
);
}
}
BOOST_AUTO_TEST_CASE(bytes_index_access_memory)
{
char const* sourceCode = R"(
contract Main {
function f(bytes _s1, uint i1, uint i2, uint i3) returns (byte c1, byte c2, byte c3) {
c1 = _s1[i1];
c2 = intern(_s1, i2);
c3 = internIndirect(_s1)[i3];
}
function intern(bytes _s1, uint i) returns (byte c) {
return _s1[i];
}
function internIndirect(bytes _s1) returns (bytes) {
return _s1;
}
}
)";
compileAndRun(sourceCode, 0, "Main");
string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
bytes dyn1 = encodeArgs(u256(s1.length()), s1);
bytes args1 = encodeArgs(u256(0x80), u256(3), u256(4), u256(5)) + dyn1;
BOOST_REQUIRE(
callContractFunction("f(bytes,uint256,uint256,uint256)", asString(args1)) ==
encodeArgs(string{s1[3]}, string{s1[4]}, string{s1[5]})
);
}
BOOST_AUTO_TEST_CASE(bytes_in_constructors_unpacker)
{
char const* sourceCode = R"(
contract Test {
uint public m_x;
bytes public m_s;
function Test(uint x, bytes s) {
m_x = x;
m_s = s;
}
}
)";
string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
bytes dyn1 = encodeArgs(u256(s1.length()), s1);
u256 x = 7;
bytes args1 = encodeArgs(x, u256(0x40)) + dyn1;
compileAndRun(sourceCode, 0, "Test", args1);
BOOST_REQUIRE(callContractFunction("m_x()") == encodeArgs(x));
BOOST_REQUIRE(callContractFunction("m_s()") == encodeArgs(u256(0x20)) + dyn1);
}
BOOST_AUTO_TEST_CASE(bytes_in_constructors_packer)
{
char const* sourceCode = R"(
contract Base {
uint public m_x;
bytes m_s;
function Base(uint x, bytes s) {
m_x = x;
m_s = s;
}
function part(uint i) returns (byte) {
return m_s[i];
}
}
contract Main is Base {
function Main(bytes s, uint x) Base(x, f(s)) {}
function f(bytes s) returns (bytes) {
return s;
}
}
contract Creator {
function f(uint x, bytes s) returns (uint r, byte ch) {
var c = new Main(s, x);
r = c.m_x();
ch = c.part(x);
}
}
)";
compileAndRun(sourceCode, 0, "Creator");
string s1("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
bytes dyn1 = encodeArgs(u256(s1.length()), s1);
u256 x = 7;
bytes args1 = encodeArgs(x, u256(0x40)) + dyn1;
BOOST_REQUIRE(
callContractFunction("f(uint256,bytes)", asString(args1)) ==
encodeArgs(x, string{s1[unsigned(x)]})
);
}
BOOST_AUTO_TEST_CASE(arrays_in_constructors)
{
char const* sourceCode = R"(
contract Base {
uint public m_x;
address[] m_s;
function Base(uint x, address[] s) {
m_x = x;
m_s = s;
}
function part(uint i) returns (address) {
return m_s[i];
}
}
contract Main is Base {
function Main(address[] s, uint x) Base(x, f(s)) {}
function f(address[] s) returns (address[]) {
return s;
}
}
contract Creator {
function f(uint x, address[] s) returns (uint r, address ch) {
var c = new Main(s, x);
r = c.m_x();
ch = c.part(x);
}
}
)";
compileAndRun(sourceCode, 0, "Creator");
vector<u256> s1{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
bytes dyn1 = encodeArgs(u256(s1.size()), s1);
u256 x = 7;
bytes args1 = encodeArgs(x, u256(0x40)) + dyn1;
BOOST_REQUIRE(
callContractFunction("f(uint256,address[])", asString(args1)) ==
encodeArgs(x, s1[unsigned(x)])
);
}
BOOST_AUTO_TEST_CASE(fixed_arrays_in_constructors)
{
char const* sourceCode = R"(
contract Creator {
uint public r;
address public ch;
function Creator(address[3] s, uint x) {
r = x;
ch = s[2];
}
}
)";
compileAndRun(sourceCode, 0, "Creator", encodeArgs(u256(1), u256(2), u256(3), u256(4)));
BOOST_REQUIRE(callContractFunction("r()") == encodeArgs(u256(4)));
BOOST_REQUIRE(callContractFunction("ch()") == encodeArgs(u256(3)));
}
BOOST_AUTO_TEST_CASE(arrays_from_and_to_storage)
{
char const* sourceCode = R"(
contract Test {
uint24[] public data;
function set(uint24[] _data) returns (uint) {
data = _data;
return data.length;
}
function get() returns (uint24[]) {
return data;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
vector<u256> data{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18};
BOOST_REQUIRE(
callContractFunction("set(uint24[])", u256(0x20), u256(data.size()), data) ==
encodeArgs(u256(data.size()))
);
BOOST_CHECK(callContractFunction("data(uint256)", u256(7)) == encodeArgs(u256(8)));
BOOST_CHECK(callContractFunction("data(uint256)", u256(15)) == encodeArgs(u256(16)));
BOOST_CHECK(callContractFunction("data(uint256)", u256(18)) == encodeArgs());
BOOST_CHECK(callContractFunction("get()") == encodeArgs(u256(0x20), u256(data.size()), data));
}
BOOST_AUTO_TEST_CASE(arrays_complex_from_and_to_storage)
{
char const* sourceCode = R"(
contract Test {
uint24[3][] public data;
function set(uint24[3][] _data) returns (uint) {
data = _data;
return data.length;
}
function get() returns (uint24[3][]) {
return data;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
vector<u256> data{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18};
BOOST_REQUIRE(
callContractFunction("set(uint24[3][])", u256(0x20), u256(data.size() / 3), data) ==
encodeArgs(u256(data.size() / 3))
);
BOOST_CHECK(callContractFunction("data(uint256,uint256)", u256(2), u256(2)) == encodeArgs(u256(9)));
BOOST_CHECK(callContractFunction("data(uint256,uint256)", u256(5), u256(1)) == encodeArgs(u256(17)));
BOOST_CHECK(callContractFunction("data(uint256,uint256)", u256(6), u256(0)) == encodeArgs());
BOOST_CHECK(callContractFunction("get()") == encodeArgs(u256(0x20), u256(data.size() / 3), data));
}
BOOST_AUTO_TEST_CASE(arrays_complex_memory_index_access)
{
char const* sourceCode = R"(
contract Test {
function set(uint24[3][] _data, uint a, uint b) returns (uint l, uint e) {
l = _data.length;
e = _data[a][b];
}
}
)";
compileAndRun(sourceCode, 0, "Test");
vector<u256> data{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18};
BOOST_REQUIRE(callContractFunction(
"set(uint24[3][],uint256,uint256)",
u256(0x60),
u256(3),
u256(2),
u256(data.size() / 3),
data
) == encodeArgs(u256(data.size() / 3), u256(data[3 * 3 + 2])));
}
BOOST_AUTO_TEST_CASE(bytes_memory_index_access)
{
char const* sourceCode = R"(
contract Test {
function set(bytes _data, uint i) returns (uint l, byte c) {
l = _data.length;
c = _data[i];
}
}
)";
compileAndRun(sourceCode, 0, "Test");
string data("abcdefgh");
BOOST_REQUIRE(callContractFunction(
"set(bytes,uint256)",
u256(0x40),
u256(3),
u256(data.size()),
data
) == encodeArgs(u256(data.size()), string("d")));
}
BOOST_AUTO_TEST_CASE(storage_array_ref)
{
char const* sourceCode = R"(
contract BinarySearch {
/// Finds the position of _value in the sorted list _data.
/// Note that "internal" is important here, because storage references only work for internal or private functions
function find(uint[] storage _data, uint _value) internal returns (uint o_position) {
return find(_data, 0, _data.length, _value);
}
function find(uint[] storage _data, uint _begin, uint _len, uint _value) private returns (uint o_position) {
if (_len == 0 || (_len == 1 && _data[_begin] != _value))
return uint(-1); // failure
uint halfLen = _len / 2;
uint v = _data[_begin + halfLen];
if (_value < v)
return find(_data, _begin, halfLen, _value);
else if (_value > v)
return find(_data, _begin + halfLen + 1, halfLen - 1, _value);
else
return _begin + halfLen;
}
}
contract Store is BinarySearch {
uint[] data;
function add(uint v) {
data.length++;
data[data.length - 1] = v;
}
function find(uint v) returns (uint) {
return find(data, v);
}
}
)";
compileAndRun(sourceCode, 0, "Store");
BOOST_REQUIRE(callContractFunction("find(uint256)", u256(7)) == encodeArgs(u256(-1)));
BOOST_REQUIRE(callContractFunction("add(uint256)", u256(7)) == encodeArgs());
BOOST_REQUIRE(callContractFunction("find(uint256)", u256(7)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("add(uint256)", u256(11)) == encodeArgs());
BOOST_CHECK(callContractFunction("add(uint256)", u256(17)) == encodeArgs());
BOOST_CHECK(callContractFunction("add(uint256)", u256(27)) == encodeArgs());
BOOST_CHECK(callContractFunction("add(uint256)", u256(31)) == encodeArgs());
BOOST_CHECK(callContractFunction("add(uint256)", u256(32)) == encodeArgs());
BOOST_CHECK(callContractFunction("add(uint256)", u256(66)) == encodeArgs());
BOOST_CHECK(callContractFunction("add(uint256)", u256(177)) == encodeArgs());
BOOST_CHECK(callContractFunction("find(uint256)", u256(7)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("find(uint256)", u256(27)) == encodeArgs(u256(3)));
BOOST_CHECK(callContractFunction("find(uint256)", u256(32)) == encodeArgs(u256(5)));
BOOST_CHECK(callContractFunction("find(uint256)", u256(176)) == encodeArgs(u256(-1)));
BOOST_CHECK(callContractFunction("find(uint256)", u256(0)) == encodeArgs(u256(-1)));
BOOST_CHECK(callContractFunction("find(uint256)", u256(400)) == encodeArgs(u256(-1)));
}
BOOST_AUTO_TEST_CASE(memory_types_initialisation)
{
char const* sourceCode = R"(
contract Test {
mapping(uint=>uint) data;
function stat() returns (uint[5])
{
data[2] = 3; // make sure to use some memory
}
function dyn() returns (uint[]) { stat(); }
function nested() returns (uint[3][]) { stat(); }
function nestedStat() returns (uint[3][7]) { stat(); }
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction("stat()") == encodeArgs(vector<u256>(5)));
BOOST_CHECK(callContractFunction("dyn()") == encodeArgs(u256(0x20), u256(0)));
BOOST_CHECK(callContractFunction("nested()") == encodeArgs(u256(0x20), u256(0)));
BOOST_CHECK(callContractFunction("nestedStat()") == encodeArgs(vector<u256>(3 * 7)));
}
BOOST_AUTO_TEST_CASE(memory_arrays_delete)
{
char const* sourceCode = R"(
contract Test {
function del() returns (uint24[3][4]) {
uint24[3][4] memory x;
for (uint24 i = 0; i < x.length; i ++)
for (uint24 j = 0; j < x[i].length; j ++)
x[i][j] = i * 0x10 + j;
delete x[1];
delete x[3][2];
return x;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
vector<u256> data(3 * 4);
for (unsigned i = 0; i < 4; i++)
for (unsigned j = 0; j < 3; j++)
{
u256 v = 0;
if (!(i == 1 || (i == 3 && j == 2)))
v = i * 0x10 + j;
data[i * 3 + j] = v;
}
BOOST_CHECK(callContractFunction("del()") == encodeArgs(data));
}
BOOST_AUTO_TEST_CASE(memory_arrays_index_access_write)
{
char const* sourceCode = R"(
contract Test {
function set(uint24[3][4] x) {
x[2][2] = 1;
x[3][2] = 7;
}
function f() returns (uint24[3][4]){
uint24[3][4] memory data;
set(data);
return data;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
vector<u256> data(3 * 4);
data[3 * 2 + 2] = 1;
data[3 * 3 + 2] = 7;
BOOST_CHECK(callContractFunction("f()") == encodeArgs(data));
}
BOOST_AUTO_TEST_CASE(memory_arrays_dynamic_index_access_write)
{
char const* sourceCode = R"(
contract Test {
uint24[3][][4] data;
function set(uint24[3][][4] x) internal returns (uint24[3][][4]) {
x[1][2][2] = 1;
x[1][3][2] = 7;
return x;
}
function f() returns (uint24[3][]) {
data[1].length = 4;
return set(data)[1];
}
}
)";
compileAndRun(sourceCode, 0, "Test");
vector<u256> data(3 * 4);
data[3 * 2 + 2] = 1;
data[3 * 3 + 2] = 7;
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x20), u256(4), data));
}
BOOST_AUTO_TEST_CASE(memory_structs_read_write)
{
char const* sourceCode = R"(
contract Test {
struct S { uint8 x; uint16 y; uint z; uint8[2] a; }
S[5] data;
function testInit() returns (uint8 x, uint16 y, uint z, uint8 a, bool flag) {
S[2] memory d;
x = d[0].x;
y = d[0].y;
z = d[0].z;
a = d[0].a[1];
flag = true;
}
function testCopyRead() returns (uint8 x, uint16 y, uint z, uint8 a) {
data[2].x = 1;
data[2].y = 2;
data[2].z = 3;
data[2].a[1] = 4;
S memory s = data[2];
x = s.x;
y = s.y;
z = s.z;
a = s.a[1];
}
function testAssign() returns (uint8 x, uint16 y, uint z, uint8 a) {
S memory s;
s.x = 1;
s.y = 2;
s.z = 3;
s.a[1] = 4;
x = s.x;
y = s.y;
z = s.z;
a = s.a[1];
}
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction("testInit()") == encodeArgs(u256(0), u256(0), u256(0), u256(0), true));
BOOST_CHECK(callContractFunction("testCopyRead()") == encodeArgs(u256(1), u256(2), u256(3), u256(4)));
BOOST_CHECK(callContractFunction("testAssign()") == encodeArgs(u256(1), u256(2), u256(3), u256(4)));
}
BOOST_AUTO_TEST_CASE(memory_structs_as_function_args)
{
char const* sourceCode = R"(
contract Test {
struct S { uint8 x; uint16 y; uint z; }
function test() returns (uint x, uint y, uint z) {
S memory data = combine(1, 2, 3);
x = extract(data, 0);
y = extract(data, 1);
z = extract(data, 2);
}
function extract(S s, uint which) internal returns (uint x) {
if (which == 0) return s.x;
else if (which == 1) return s.y;
else return s.z;
}
function combine(uint8 x, uint16 y, uint z) internal returns (S s) {
s.x = x;
s.y = y;
s.z = z;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(1), u256(2), u256(3)));
}
BOOST_AUTO_TEST_CASE(memory_structs_nested)
{
char const* sourceCode = R"(
contract Test {
struct S { uint8 x; uint16 y; uint z; }
struct X { uint8 x; S s; }
function test() returns (uint a, uint x, uint y, uint z) {
X memory d = combine(1, 2, 3, 4);
a = extract(d, 0);
x = extract(d, 1);
y = extract(d, 2);
z = extract(d, 3);
}
function extract(X s, uint which) internal returns (uint x) {
if (which == 0) return s.x;
else if (which == 1) return s.s.x;
else if (which == 2) return s.s.y;
else return s.s.z;
}
function combine(uint8 a, uint8 x, uint16 y, uint z) internal returns (X s) {
s.x = a;
s.s.x = x;
s.s.y = y;
s.s.z = z;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(1), u256(2), u256(3), u256(4)));
}
BOOST_AUTO_TEST_CASE(memory_structs_nested_load)
{
char const* sourceCode = R"(
contract Test {
struct S { uint8 x; uint16 y; uint z; }
struct X { uint8 x; S s; uint8[2] a; }
X m_x;
function load() returns (uint a, uint x, uint y, uint z, uint a1, uint a2) {
m_x.x = 1;
m_x.s.x = 2;
m_x.s.y = 3;
m_x.s.z = 4;
m_x.a[0] = 5;
m_x.a[1] = 6;
X memory d = m_x;
a = d.x;
x = d.s.x;
y = d.s.y;
z = d.s.z;
a1 = d.a[0];
a2 = d.a[1];
}
function store() returns (uint a, uint x, uint y, uint z, uint a1, uint a2) {
X memory d;
d.x = 1;
d.s.x = 2;
d.s.y = 3;
d.s.z = 4;
d.a[0] = 5;
d.a[1] = 6;
m_x = d;
a = m_x.x;
x = m_x.s.x;
y = m_x.s.y;
z = m_x.s.z;
a1 = m_x.a[0];
a2 = m_x.a[1];
}
}
)";
compileAndRun(sourceCode, 0, "Test");
auto out = encodeArgs(u256(1), u256(2), u256(3), u256(4), u256(5), u256(6));
BOOST_CHECK(callContractFunction("load()") == out);
BOOST_CHECK(callContractFunction("store()") == out);
}
BOOST_AUTO_TEST_CASE(struct_constructor_nested)
{
char const* sourceCode = R"(
contract C {
struct X { uint x1; uint x2; }
struct S { uint s1; uint[3] s2; X s3; }
S s;
function C() {
uint[3] memory s2;
s2[1] = 9;
s = S(1, s2, X(4, 5));
}
function get() returns (uint s1, uint[3] s2, uint x1, uint x2)
{
s1 = s.s1;
s2 = s.s2;
x1 = s.s3.x1;
x2 = s.s3.x2;
}
}
)";
compileAndRun(sourceCode, 0, "C");
auto out = encodeArgs(u256(1), u256(0), u256(9), u256(0), u256(4), u256(5));
BOOST_CHECK(callContractFunction("get()") == out);
}
BOOST_AUTO_TEST_CASE(struct_named_constructor)
{
char const* sourceCode = R"(
contract C {
struct S { uint a; bool x; }
S public s;
function C() {
s = S({a: 1, x: true});
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("s()") == encodeArgs(u256(1), true));
}
BOOST_AUTO_TEST_CASE(literal_strings)
{
char const* sourceCode = R"(
contract Test {
string public long;
string public medium;
string public short;
string public empty;
function f() returns (string) {
long = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
medium = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
short = "123";
empty = "";
return "Hello, World!";
}
}
)";
compileAndRun(sourceCode, 0, "Test");
string longStr = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
string medium = "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
string shortStr = "123";
string hello = "Hello, World!";
BOOST_CHECK(callContractFunction("f()") == encodeDyn(hello));
BOOST_CHECK(callContractFunction("long()") == encodeDyn(longStr));
BOOST_CHECK(callContractFunction("medium()") == encodeDyn(medium));
BOOST_CHECK(callContractFunction("short()") == encodeDyn(shortStr));
BOOST_CHECK(callContractFunction("empty()") == encodeDyn(string()));
}
BOOST_AUTO_TEST_CASE(initialise_string_constant)
{
char const* sourceCode = R"(
contract Test {
string public short = "abcdef";
string public long = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
}
)";
compileAndRun(sourceCode, 0, "Test");
string longStr = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
string shortStr = "abcdef";
BOOST_CHECK(callContractFunction("long()") == encodeDyn(longStr));
BOOST_CHECK(callContractFunction("short()") == encodeDyn(shortStr));
}
BOOST_AUTO_TEST_CASE(memory_structs_with_mappings)
{
char const* sourceCode = R"(
contract Test {
struct S { uint8 a; mapping(uint => uint) b; uint8 c; }
S s;
function f() returns (uint) {
S memory x;
if (x.a != 0 || x.c != 0) return 1;
x.a = 4; x.c = 5;
s = x;
if (s.a != 4 || s.c != 5) return 2;
x = S(2, 3);
if (x.a != 2 || x.c != 3) return 3;
x = s;
if (s.a != 4 || s.c != 5) return 4;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(string_bytes_conversion)
{
char const* sourceCode = R"(
contract Test {
string s;
bytes b;
function f(string _s, uint n) returns (byte) {
b = bytes(_s);
s = string(b);
return bytes(s)[n];
}
function l() returns (uint) { return bytes(s).length; }
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction(
"f(string,uint256)",
u256(0x40),
u256(2),
u256(6),
string("abcdef")
) == encodeArgs("c"));
BOOST_CHECK(callContractFunction("l()") == encodeArgs(u256(6)));
}
BOOST_AUTO_TEST_CASE(string_as_mapping_key)
{
char const* sourceCode = R"(
contract Test {
mapping(string => uint) data;
function set(string _s, uint _v) { data[_s] = _v; }
function get(string _s) returns (uint) { return data[_s]; }
}
)";
compileAndRun(sourceCode, 0, "Test");
vector<string> strings{
"Hello, World!",
"Hello, World!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111",
"",
"1"
};
for (unsigned i = 0; i < strings.size(); i++)
BOOST_CHECK(callContractFunction(
"set(string,uint256)",
u256(0x40),
u256(7 + i),
u256(strings[i].size()),
strings[i]
) == encodeArgs());
for (unsigned i = 0; i < strings.size(); i++)
BOOST_CHECK(callContractFunction(
"get(string)",
u256(0x20),
u256(strings[i].size()),
strings[i]
) == encodeArgs(u256(7 + i)));
}
BOOST_AUTO_TEST_CASE(accessor_for_state_variable)
{
char const* sourceCode = R"(
contract Lotto{
uint public ticketPrice = 500;
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("ticketPrice()") == encodeArgs(u256(500)));
}
BOOST_AUTO_TEST_CASE(accessor_for_const_state_variable)
{
char const* sourceCode = R"(
contract Lotto{
uint constant public ticketPrice = 555;
})";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("ticketPrice()") == encodeArgs(u256(555)));
}
BOOST_AUTO_TEST_CASE(state_variable_under_contract_name)
{
char const* text = R"(
contract Scope {
uint stateVar = 42;
function getStateVar() constant returns (uint stateVar) {
stateVar = Scope.stateVar;
}
}
)";
compileAndRun(text);
BOOST_CHECK(callContractFunction("getStateVar()") == encodeArgs(u256(42)));
}
BOOST_AUTO_TEST_CASE(state_variable_local_variable_mixture)
{
char const* sourceCode = R"(
contract A {
uint x = 1;
uint y = 2;
function a() returns (uint x) {
x = A.y;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(inherited_function) {
char const* sourceCode = R"(
contract A { function f() internal returns (uint) { return 1; } }
contract B is A {
function f() internal returns (uint) { return 2; }
function g() returns (uint) {
return A.f();
}
}
)";
compileAndRun(sourceCode, 0, "B");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_CASE(inherited_function_from_a_library) {
char const* sourceCode = R"(
library A { function f() internal returns (uint) { return 1; } }
contract B {
function f() internal returns (uint) { return 2; }
function g() returns (uint) {
return A.f();
}
}
)";
compileAndRun(sourceCode, 0, "B");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_CASE(inherited_constant_state_var)
{
char const* sourceCode = R"(
contract A {
uint constant x = 7;
}
contract B is A {
function f() returns (uint) {
return A.x;
}
}
)";
compileAndRun(sourceCode, 0, "B");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(multiple_inherited_state_vars)
{
char const* sourceCode = R"(
contract A {
uint x = 7;
}
contract B {
uint x = 9;
}
contract C is A, B {
function a() returns (uint) {
return A.x;
}
function b() returns (uint) {
return B.x;
}
function a_set(uint _x) returns (uint) {
A.x = _x;
return 1;
}
function b_set(uint _x) returns (uint) {
B.x = _x;
return 1;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(7)));
BOOST_CHECK(callContractFunction("b()") == encodeArgs(u256(9)));
BOOST_CHECK(callContractFunction("a_set(uint256)", u256(1)) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("b_set(uint256)", u256(3)) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("b()") == encodeArgs(u256(3)));
}
BOOST_AUTO_TEST_CASE(constant_string_literal)
{
char const* sourceCode = R"(
contract Test {
bytes32 constant public b = "abcdefghijklmnopq";
string constant public x = "abefghijklmnopqabcdefghijklmnopqabcdefghijklmnopqabca";
function Test() {
var xx = x;
var bb = b;
}
function getB() returns (bytes32) { return b; }
function getX() returns (string) { return x; }
function getX2() returns (string r) { r = x; }
function unused() returns (uint) {
"unusedunusedunusedunusedunusedunusedunusedunusedunusedunusedunusedunused";
return 2;
}
}
)";
compileAndRun(sourceCode);
string longStr = "abefghijklmnopqabcdefghijklmnopqabcdefghijklmnopqabca";
string shortStr = "abcdefghijklmnopq";
BOOST_CHECK(callContractFunction("b()") == encodeArgs(shortStr));
BOOST_CHECK(callContractFunction("x()") == encodeDyn(longStr));
BOOST_CHECK(callContractFunction("getB()") == encodeArgs(shortStr));
BOOST_CHECK(callContractFunction("getX()") == encodeDyn(longStr));
BOOST_CHECK(callContractFunction("getX2()") == encodeDyn(longStr));
BOOST_CHECK(callContractFunction("unused()") == encodeArgs(2));
}
BOOST_AUTO_TEST_CASE(storage_string_as_mapping_key_without_variable)
{
char const* sourceCode = R"(
contract Test {
mapping(string => uint) data;
function f() returns (uint) {
data["abc"] = 2;
return data["abc"];
}
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(library_call)
{
char const* sourceCode = R"(
library Lib { function m(uint x, uint y) returns (uint) { return x * y; } }
contract Test {
function f(uint x) returns (uint) {
return Lib.m(x, 9);
}
}
)";
compileAndRun(sourceCode, 0, "Lib");
compileAndRun(sourceCode, 0, "Test", bytes(), map<string, Address>{{"Lib", m_contractAddress}});
BOOST_CHECK(callContractFunction("f(uint256)", u256(33)) == encodeArgs(u256(33) * 9));
}
BOOST_AUTO_TEST_CASE(library_stray_values)
{
char const* sourceCode = R"(
library Lib { function m(uint x, uint y) returns (uint) { return x * y; } }
contract Test {
function f(uint x) returns (uint) {
Lib;
Lib.m;
return x + 9;
}
}
)";
compileAndRun(sourceCode, 0, "Lib");
compileAndRun(sourceCode, 0, "Test", bytes(), map<string, Address>{{"Lib", m_contractAddress}});
BOOST_CHECK(callContractFunction("f(uint256)", u256(33)) == encodeArgs(u256(42)));
}
BOOST_AUTO_TEST_CASE(cross_contract_types)
{
char const* sourceCode = R"(
contract Lib { struct S {uint a; uint b; } }
contract Test {
function f() returns (uint r) {
var x = Lib.S({a: 2, b: 3});
r = x.b;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(3)));
}
BOOST_AUTO_TEST_CASE(simple_throw)
{
char const* sourceCode = R"(
contract Test {
function f(uint x) returns (uint) {
if (x > 10)
return x + 10;
else
throw;
return 2;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(uint256)", u256(11)) == encodeArgs(u256(21)));
BOOST_CHECK(callContractFunction("f(uint256)", u256(1)) == encodeArgs());
}
BOOST_AUTO_TEST_CASE(strings_in_struct)
{
char const* sourceCode = R"(
contract buggystruct {
Buggy public bug;
struct Buggy {
uint first;
uint second;
uint third;
string last;
}
function buggystruct(){
bug = Buggy(10, 20, 30, "asdfghjkl");
}
function getFirst() returns (uint)
{
return bug.first;
}
function getSecond() returns (uint)
{
return bug.second;
}
function getThird() returns (uint)
{
return bug.third;
}
function getLast() returns (string)
{
return bug.last;
}
}
)";
compileAndRun(sourceCode);
string s = "asdfghjkl";
BOOST_CHECK(callContractFunction("getFirst()") == encodeArgs(u256(10)));
BOOST_CHECK(callContractFunction("getSecond()") == encodeArgs(u256(20)));
BOOST_CHECK(callContractFunction("getThird()") == encodeArgs(u256(30)));
BOOST_CHECK(callContractFunction("getLast()") == encodeDyn(s));
}
BOOST_AUTO_TEST_CASE(fixed_arrays_as_return_type)
{
char const* sourceCode = R"(
contract A {
function f(uint16 input) constant returns (uint16[5] arr)
{
arr[0] = input;
arr[1] = ++input;
arr[2] = ++input;
arr[3] = ++input;
arr[4] = ++input;
}
}
contract B {
function f() returns (uint16[5] res, uint16[5] res2)
{
var a = new A();
res = a.f(2);
res2 = a.f(1000);
}
}
)";
compileAndRun(sourceCode, 0, "B");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(
u256(2), u256(3), u256(4), u256(5), u256(6), // first return argument
u256(1000), u256(1001), u256(1002), u256(1003), u256(1004)) // second return argument
);
}
BOOST_AUTO_TEST_CASE(internal_types_in_library)
{
char const* sourceCode = R"(
library Lib {
function find(uint16[] storage _haystack, uint16 _needle) constant returns (uint)
{
for (uint i = 0; i < _haystack.length; ++i)
if (_haystack[i] == _needle)
return i;
return uint(-1);
}
}
contract Test {
mapping(string => uint16[]) data;
function f() returns (uint a, uint b)
{
data["abc"].length = 20;
data["abc"][4] = 9;
data["abc"][17] = 3;
a = Lib.find(data["abc"], 9);
b = Lib.find(data["abc"], 3);
}
}
)";
compileAndRun(sourceCode, 0, "Lib");
compileAndRun(sourceCode, 0, "Test", bytes(), map<string, Address>{{"Lib", m_contractAddress}});
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(4), u256(17)));
}
BOOST_AUTO_TEST_CASE(using_library_structs)
{
char const* sourceCode = R"(
library Lib {
struct Data { uint a; uint[] b; }
function set(Data storage _s)
{
_s.a = 7;
_s.b.length = 20;
_s.b[19] = 8;
}
}
contract Test {
mapping(string => Lib.Data) data;
function f() returns (uint a, uint b)
{
Lib.set(data["abc"]);
a = data["abc"].a;
b = data["abc"].b[19];
}
}
)";
compileAndRun(sourceCode, 0, "Lib");
compileAndRun(sourceCode, 0, "Test", bytes(), map<string, Address>{{"Lib", m_contractAddress}});
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(7), u256(8)));
}
BOOST_AUTO_TEST_CASE(library_struct_as_an_expression)
{
char const* sourceCode = R"(
library Arst {
struct Foo {
int Things;
int Stuff;
}
}
contract Tsra {
function f() returns(uint) {
Arst.Foo;
return 1;
}
}
)";
compileAndRun(sourceCode, 0, "Tsra");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_CASE(library_enum_as_an_expression)
{
char const* sourceCode = R"(
library Arst {
enum Foo {
Things,
Stuff
}
}
contract Tsra {
function f() returns(uint) {
Arst.Foo;
return 1;
}
}
)";
compileAndRun(sourceCode, 0, "Tsra");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_CASE(short_strings)
{
// This test verifies that the byte array encoding that combines length and data works
// correctly.
char const* sourceCode = R"(
contract A {
bytes public data1 = "123";
bytes data2;
function lengthChange() returns (uint)
{
// store constant in short and long string
data1 = "123";
if (!equal(data1, "123")) return 1;
data2 = "12345678901234567890123456789012345678901234567890a";
if (data2[17] != "8") return 3;
if (data2.length != 51) return 4;
if (data2[data2.length - 1] != "a") return 5;
// change length: short -> short
data1.length = 5;
if (data1.length != 5) return 6;
data1[4] = "4";
if (data1[0] != "1") return 7;
if (data1[4] != "4") return 8;
// change length: short -> long
data1.length = 80;
if (data1.length != 80) return 9;
data1.length = 70;
if (data1.length != 70) return 9;
if (data1[0] != "1") return 10;
if (data1[4] != "4") return 11;
for (uint i = 0; i < data1.length; i ++)
data1[i] = byte(i * 3);
if (data1[4] != 4 * 3) return 12;
if (data1[67] != 67 * 3) return 13;
// change length: long -> short
data1.length = 22;
if (data1.length != 22) return 14;
if (data1[21] != byte(21 * 3)) return 15;
if (data1[2] != 2 * 3) return 16;
// change length: short -> shorter
data1.length = 19;
if (data1.length != 19) return 17;
if (data1[7] != byte(7 * 3)) return 18;
// and now again to original size
data1.length = 22;
if (data1.length != 22) return 19;
if (data1[21] != 0) return 20;
data1.length = 0;
data2.length = 0;
}
function copy() returns (uint) {
bytes memory x = "123";
bytes memory y = "012345678901234567890123456789012345678901234567890123456789";
bytes memory z = "1234567";
data1 = x;
data2 = y;
if (!equal(data1, x)) return 1;
if (!equal(data2, y)) return 2;
// lengthen
data1 = y;
if (!equal(data1, y)) return 3;
// shorten
data1 = x;
if (!equal(data1, x)) return 4;
// change while keeping short
data1 = z;
if (!equal(data1, z)) return 5;
// copy storage -> storage
data1 = x;
data2 = y;
// lengthen
data1 = data2;
if (!equal(data1, y)) return 6;
// shorten
data1 = x;
data2 = data1;
if (!equal(data2, x)) return 7;
bytes memory c = data2;
data1 = c;
if (!equal(data1, x)) return 8;
data1 = "";
data2 = "";
}
function deleteElements() returns (uint) {
data1 = "01234";
delete data1[2];
if (data1[2] != 0) return 1;
if (data1[0] != "0") return 2;
if (data1[3] != "3") return 3;
delete data1;
if (data1.length != 0) return 4;
}
function equal(bytes storage a, bytes memory b) internal returns (bool) {
if (a.length != b.length) return false;
for (uint i = 0; i < a.length; ++i) if (a[i] != b[i]) return false;
return true;
}
}
)";
compileAndRun(sourceCode, 0, "A");
BOOST_CHECK(callContractFunction("data1()") == encodeDyn(string("123")));
BOOST_CHECK(callContractFunction("lengthChange()") == encodeArgs(u256(0)));
BOOST_CHECK(storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("deleteElements()") == encodeArgs(u256(0)));
BOOST_CHECK(storageEmpty(m_contractAddress));
BOOST_CHECK(callContractFunction("copy()") == encodeArgs(u256(0)));
BOOST_CHECK(storageEmpty(m_contractAddress));
}
BOOST_AUTO_TEST_CASE(calldata_offset)
{
// This tests a specific bug that was caused by not using the correct memory offset in the
// calldata unpacker.
char const* sourceCode = R"(
contract CB
{
address[] _arr;
string public last = "nd";
function CB(address[] guardians)
{
_arr = guardians;
}
}
)";
compileAndRun(sourceCode, 0, "CB", encodeArgs(u256(0x20)));
BOOST_CHECK(callContractFunction("last()", encodeArgs()) == encodeDyn(string("nd")));
}
BOOST_AUTO_TEST_CASE(contract_binary_dependencies)
{
char const* sourceCode = R"(
contract A { function f() { new B(); } }
contract B { function f() { } }
contract C { function f() { new B(); } }
)";
compileAndRun(sourceCode);
}
BOOST_AUTO_TEST_CASE(reject_ether_sent_to_library)
{
char const* sourceCode = R"(
library lib {}
contract c {
function c() payable {}
function f(address x) returns (bool) {
return x.send(1);
}
function () payable {}
}
)";
compileAndRun(sourceCode, 0, "lib");
Address libraryAddress = m_contractAddress;
compileAndRun(sourceCode, 10, "c");
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 10);
BOOST_CHECK_EQUAL(balanceAt(libraryAddress), 0);
BOOST_CHECK(callContractFunction("f(address)", encodeArgs(u160(libraryAddress))) == encodeArgs(false));
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 10);
BOOST_CHECK_EQUAL(balanceAt(libraryAddress), 0);
BOOST_CHECK(callContractFunction("f(address)", encodeArgs(u160(m_contractAddress))) == encodeArgs(true));
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 10);
BOOST_CHECK_EQUAL(balanceAt(libraryAddress), 0);
}
BOOST_AUTO_TEST_CASE(multi_variable_declaration)
{
char const* sourceCode = R"(
contract C {
function g() returns (uint a, uint b, uint c) {
a = 1; b = 2; c = 3;
}
function f() returns (bool) {
var (x, y, z) = g();
if (x != 1 || y != 2 || z != 3) return false;
var (, a,) = g();
if (a != 2) return false;
var (b,) = g();
if (b != 1) return false;
var (,c) = g();
if (c != 3) return false;
return true;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()", encodeArgs()) == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(tuples)
{
char const* sourceCode = R"(
contract C {
uint[] data;
function g() internal returns (uint a, uint b, uint[] storage c) {
return (1, 2, data);
}
function h() external returns (uint a, uint b) {
return (5, 6);
}
function f() returns (uint) {
data.length = 1;
data[0] = 3;
uint a; uint b;
(a, b) = this.h();
if (a != 5 || b != 6) return 1;
uint[] storage c;
(a, b, c) = g();
if (a != 1 || b != 2 || c[0] != 3) return 2;
(a, b) = (b, a);
if (a != 2 || b != 1) return 3;
(a, , b, ) = (8, 9, 10, 11, 12);
if (a != 8 || b != 10) return 4;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(string_tuples)
{
char const* sourceCode = R"(
contract C {
function f() returns (string, uint) {
return ("abc", 8);
}
function g() returns (string, string) {
return (h(), "def");
}
function h() returns (string) {
return ("abc",);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x40), u256(8), u256(3), string("abc")));
BOOST_CHECK(callContractFunction("g()") == encodeArgs(u256(0x40), u256(0x80), u256(3), string("abc"), u256(3), string("def")));
}
BOOST_AUTO_TEST_CASE(decayed_tuple)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint) {
uint x = 1;
(x) = 2;
return x;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(inline_tuple_with_rational_numbers)
{
char const* sourceCode = R"(
contract c {
function f() returns (int8) {
int8[5] memory foo3 = [int8(1), -1, 0, 0, 0];
return foo3[0];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_CASE(destructuring_assignment)
{
char const* sourceCode = R"(
contract C {
uint x = 7;
bytes data;
uint[] y;
uint[] arrayData;
function returnsArray() returns (uint[]) {
arrayData.length = 9;
arrayData[2] = 5;
arrayData[7] = 4;
return arrayData;
}
function f(bytes s) returns (uint) {
uint loc;
uint[] memory memArray;
(loc, x, y, data, arrayData[3]) = (8, 4, returnsArray(), s, 2);
if (loc != 8) return 1;
if (x != 4) return 2;
if (y.length != 9) return 3;
if (y[2] != 5) return 4;
if (y[7] != 4) return 5;
if (data.length != s.length) return 6;
if (data[3] != s[3]) return 7;
if (arrayData[3] != 2) return 8;
(memArray, loc) = (arrayData, 3);
if (loc != 3) return 9;
if (memArray.length != arrayData.length) return 10;
bytes memory memBytes;
(x, memBytes, y[2], ) = (456, s, 789, 101112, 131415);
if (x != 456 || memBytes.length != s.length || y[2] != 789) return 11;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bytes)", u256(0x20), u256(5), string("abcde")) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(destructuring_assignment_wildcard)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint) {
uint a;
uint b;
uint c;
(a,) = (1,);
if (a != 1) return 1;
(,b) = (2,3,4);
if (b != 4) return 2;
(, c,) = (5,6,7);
if (c != 6) return 3;
(a, b,) = (11, 12, 13);
if (a != 11 || b != 12) return 4;
(, a, b) = (11, 12, 13);
if (a != 12 || b != 13) return 5;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(lone_struct_array_type)
{
char const* sourceCode = R"(
contract C {
struct s { uint a; uint b;}
function f() returns (uint) {
s[7][]; // This is only the type, should not have any effect
return 3;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(3)));
}
BOOST_AUTO_TEST_CASE(create_memory_array)
{
char const* sourceCode = R"(
contract C {
struct S { uint[2] a; bytes b; }
function f() returns (byte, uint, uint, byte) {
var x = new bytes(200);
x[199] = 'A';
var y = new uint[2][](300);
y[203][1] = 8;
var z = new S[](180);
z[170].a[1] = 4;
z[170].b = new bytes(102);
z[170].b[99] = 'B';
return (x[199], y[203][1], z[170].a[1], z[170].b[99]);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(string("A"), u256(8), u256(4), string("B")));
}
BOOST_AUTO_TEST_CASE(memory_arrays_of_various_sizes)
{
// Computes binomial coefficients the chinese way
char const* sourceCode = R"(
contract C {
function f(uint n, uint k) returns (uint) {
uint[][] memory rows = new uint[][](n + 1);
for (uint i = 1; i <= n; i++) {
rows[i] = new uint[](i);
rows[i][0] = rows[i][rows[i].length - 1] = 1;
for (uint j = 1; j < i - 1; j++)
rows[i][j] = rows[i - 1][j - 1] + rows[i - 1][j];
}
return rows[n][k - 1];
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(uint256,uint256)", encodeArgs(u256(3), u256(1))) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", encodeArgs(u256(9), u256(5))) == encodeArgs(u256(70)));
}
BOOST_AUTO_TEST_CASE(memory_overwrite)
{
char const* sourceCode = R"(
contract C {
function f() returns (bytes x) {
x = "12345";
x[3] = 0x61;
x[0] = 0x62;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeDyn(string("b23a5")));
}
BOOST_AUTO_TEST_CASE(addmod_mulmod)
{
char const* sourceCode = R"(
contract C {
function test() returns (uint) {
// Note that this only works because computation on literals is done using
// unbounded integers.
if ((2**255 + 2**255) % 7 != addmod(2**255, 2**255, 7))
return 1;
if ((2**255 + 2**255) % 7 != addmod(2**255, 2**255, 7))
return 2;
return 0;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(divisiod_by_zero)
{
char const* sourceCode = R"(
contract C {
function div(uint a, uint b) returns (uint) {
return a / b;
}
function mod(uint a, uint b) returns (uint) {
return a % b;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("div(uint256,uint256)", 7, 2) == encodeArgs(u256(3)));
// throws
BOOST_CHECK(callContractFunction("div(uint256,uint256)", 7, 0) == encodeArgs());
BOOST_CHECK(callContractFunction("mod(uint256,uint256)", 7, 2) == encodeArgs(u256(1)));
// throws
BOOST_CHECK(callContractFunction("mod(uint256,uint256)", 7, 0) == encodeArgs());
}
BOOST_AUTO_TEST_CASE(string_allocation_bug)
{
char const* sourceCode = R"(
contract Sample
{
struct s { uint16 x; uint16 y; string a; string b;}
s[2] public p;
function Sample() {
s memory m;
m.x = 0xbbbb;
m.y = 0xcccc;
m.a = "hello";
m.b = "world";
p[0] = m;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("p(uint256)") == encodeArgs(
u256(0xbbbb),
u256(0xcccc),
u256(0x80),
u256(0xc0),
u256(5),
string("hello"),
u256(5),
string("world")
));
}
BOOST_AUTO_TEST_CASE(using_for_function_on_int)
{
char const* sourceCode = R"(
library D { function double(uint self) returns (uint) { return 2*self; } }
contract C {
using D for uint;
function f(uint a) returns (uint) {
return a.double();
}
}
)";
compileAndRun(sourceCode, 0, "D");
compileAndRun(sourceCode, 0, "C", bytes(), map<string, Address>{{"D", m_contractAddress}});
BOOST_CHECK(callContractFunction("f(uint256)", u256(9)) == encodeArgs(u256(2 * 9)));
}
BOOST_AUTO_TEST_CASE(using_for_function_on_struct)
{
char const* sourceCode = R"(
library D { struct s { uint a; } function mul(s storage self, uint x) returns (uint) { return self.a *= x; } }
contract C {
using D for D.s;
D.s public x;
function f(uint a) returns (uint) {
x.a = 3;
return x.mul(a);
}
}
)";
compileAndRun(sourceCode, 0, "D");
compileAndRun(sourceCode, 0, "C", bytes(), map<string, Address>{{"D", m_contractAddress}});
BOOST_CHECK(callContractFunction("f(uint256)", u256(7)) == encodeArgs(u256(3 * 7)));
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(3 * 7)));
}
BOOST_AUTO_TEST_CASE(using_for_overload)
{
char const* sourceCode = R"(
library D {
struct s { uint a; }
function mul(s storage self, uint x) returns (uint) { return self.a *= x; }
function mul(s storage self, bytes32 x) returns (bytes32) { }
}
contract C {
using D for D.s;
D.s public x;
function f(uint a) returns (uint) {
x.a = 6;
return x.mul(a);
}
}
)";
compileAndRun(sourceCode, 0, "D");
compileAndRun(sourceCode, 0, "C", bytes(), map<string, Address>{{"D", m_contractAddress}});
BOOST_CHECK(callContractFunction("f(uint256)", u256(7)) == encodeArgs(u256(6 * 7)));
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(6 * 7)));
}
BOOST_AUTO_TEST_CASE(using_for_by_name)
{
char const* sourceCode = R"(
library D { struct s { uint a; } function mul(s storage self, uint x) returns (uint) { return self.a *= x; } }
contract C {
using D for D.s;
D.s public x;
function f(uint a) returns (uint) {
x.a = 6;
return x.mul({x: a});
}
}
)";
compileAndRun(sourceCode, 0, "D");
compileAndRun(sourceCode, 0, "C", bytes(), map<string, Address>{{"D", m_contractAddress}});
BOOST_CHECK(callContractFunction("f(uint256)", u256(7)) == encodeArgs(u256(6 * 7)));
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(6 * 7)));
}
BOOST_AUTO_TEST_CASE(bound_function_in_var)
{
char const* sourceCode = R"(
library D { struct s { uint a; } function mul(s storage self, uint x) returns (uint) { return self.a *= x; } }
contract C {
using D for D.s;
D.s public x;
function f(uint a) returns (uint) {
x.a = 6;
var g = x.mul;
return g({x: a});
}
}
)";
compileAndRun(sourceCode, 0, "D");
compileAndRun(sourceCode, 0, "C", bytes(), map<string, Address>{{"D", m_contractAddress}});
BOOST_CHECK(callContractFunction("f(uint256)", u256(7)) == encodeArgs(u256(6 * 7)));
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(6 * 7)));
}
BOOST_AUTO_TEST_CASE(bound_function_to_string)
{
char const* sourceCode = R"(
library D { function length(string memory self) returns (uint) { return bytes(self).length; } }
contract C {
using D for string;
string x;
function f() returns (uint) {
x = "abc";
return x.length();
}
function g() returns (uint) {
string memory s = "abc";
return s.length();
}
}
)";
compileAndRun(sourceCode, 0, "D");
compileAndRun(sourceCode, 0, "C", bytes(), map<string, Address>{{"D", m_contractAddress}});
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(3)));
BOOST_CHECK(callContractFunction("g()") == encodeArgs(u256(3)));
}
BOOST_AUTO_TEST_CASE(inline_array_storage_to_memory_conversion_strings)
{
char const* sourceCode = R"(
contract C {
string s = "doh";
function f() returns (string, string) {
string memory t = "ray";
string[3] memory x = [s, t, "mi"];
return (x[1], x[2]);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x40), u256(0x80), u256(3), string("ray"), u256(2), string("mi")));
}
BOOST_AUTO_TEST_CASE(inline_array_strings_from_document)
{
char const* sourceCode = R"(
contract C {
function f(uint i) returns (string) {
string[4] memory x = ["This", "is", "an", "array"];
return (x[i]);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(uint256)", u256(0)) == encodeArgs(u256(0x20), u256(4), string("This")));
BOOST_CHECK(callContractFunction("f(uint256)", u256(1)) == encodeArgs(u256(0x20), u256(2), string("is")));
BOOST_CHECK(callContractFunction("f(uint256)", u256(2)) == encodeArgs(u256(0x20), u256(2), string("an")));
BOOST_CHECK(callContractFunction("f(uint256)", u256(3)) == encodeArgs(u256(0x20), u256(5), string("array")));
}
BOOST_AUTO_TEST_CASE(inline_array_storage_to_memory_conversion_ints)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint x, uint y) {
x = 3;
y = 6;
uint[2] memory z = [x, y];
return (z[0], z[1]);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(3, 6));
}
BOOST_AUTO_TEST_CASE(inline_array_index_access_ints)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint) {
return ([1, 2, 3, 4][2]);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(3));
}
BOOST_AUTO_TEST_CASE(inline_array_index_access_strings)
{
char const* sourceCode = R"(
contract C {
string public tester;
function f() returns (string) {
return (["abc", "def", "g"][0]);
}
function test() {
tester = f();
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs());
BOOST_CHECK(callContractFunction("tester()") == encodeArgs(u256(0x20), u256(3), string("abc")));
}
BOOST_AUTO_TEST_CASE(inline_array_return)
{
char const* sourceCode = R"(
contract C {
uint8[] tester;
function f() returns (uint8[5]) {
return ([1,2,3,4,5]);
}
function test() returns (uint8, uint8, uint8, uint8, uint8) {
tester = f();
return (tester[0], tester[1], tester[2], tester[3], tester[4]);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(1, 2, 3, 4, 5));
}
BOOST_AUTO_TEST_CASE(inline_long_string_return)
{
char const* sourceCode = R"(
contract C {
function f() returns (string) {
return (["somethingShort", "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"][1]);
}
}
)";
string strLong = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678900123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789001234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeDyn(strLong));
}
BOOST_AUTO_TEST_CASE(fixed_bytes_index_access)
{
char const* sourceCode = R"(
contract C {
bytes16[] public data;
function f(bytes32 x) returns (byte) {
return x[2];
}
function g(bytes32 x) returns (uint) {
data = [x[0], x[1], x[2]];
data[0] = "12345";
return uint(data[0][4]);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(bytes32)", "789") == encodeArgs("9"));
BOOST_CHECK(callContractFunction("g(bytes32)", "789") == encodeArgs(u256(int('5'))));
BOOST_CHECK(callContractFunction("data(uint256)", u256(1)) == encodeArgs("8"));
}
BOOST_AUTO_TEST_CASE(fixed_bytes_length_access)
{
char const* sourceCode = R"(
contract C {
byte a;
function f(bytes32 x) returns (uint, uint, uint) {
return (x.length, bytes16(2).length, a.length + 7);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(bytes32)", "789") == encodeArgs(u256(32), u256(16), u256(8)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_write_to_stack)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint r, bytes32 r2) {
assembly { r := 7 r2 := "abcdef" }
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(7), string("abcdef")));
}
BOOST_AUTO_TEST_CASE(inline_assembly_read_and_write_stack)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint r) {
for (uint x = 0; x < 10; ++x)
assembly { r := add(r, x) }
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(45)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_memory_access)
{
char const* sourceCode = R"(
contract C {
function test() returns (bytes) {
bytes memory x = new bytes(5);
for (uint i = 0; i < x.length; ++i)
x[i] = byte(i + 1);
assembly { mstore(add(x, 32), "12345678901234567890123456789012") }
return x;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(0x20), u256(5), string("12345")));
}
BOOST_AUTO_TEST_CASE(inline_assembly_storage_access)
{
char const* sourceCode = R"(
contract C {
uint16 x;
uint16 public y;
uint public z;
function f() {
// we know that z is aligned because it is too large, so we just discard its
// intra-slot offset value
assembly { 7 z pop sstore }
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
BOOST_CHECK(callContractFunction("z()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_jumps)
{
char const* sourceCode = R"(
contract C {
function f() {
assembly {
let n := calldataload(4)
let a := 1
let b := a
loop:
jumpi(loopend, eq(n, 0))
a add swap1
n := sub(n, 1)
jump(loop)
loopend:
mstore(0, a)
return(0, 0x20)
}
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()", u256(5)) == encodeArgs(u256(13)));
BOOST_CHECK(callContractFunction("f()", u256(7)) == encodeArgs(u256(34)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_function_access)
{
char const* sourceCode = R"(
contract C {
uint public x;
function g(uint y) { x = 2 * y; assembly { stop } }
function f(uint _x) {
assembly {
_x
jump(g)
}
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256)", u256(5)) == encodeArgs());
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(10)));
}
BOOST_AUTO_TEST_CASE(index_access_with_type_conversion)
{
// Test for a bug where higher order bits cleanup was not done for array index access.
char const* sourceCode = R"(
contract C {
function f(uint x) returns (uint[256] r){
r[uint8(x)] = 2;
}
}
)";
compileAndRun(sourceCode, 0, "C");
// neither of the two should throw due to out-of-bounds access
BOOST_CHECK(callContractFunction("f(uint256)", u256(0x01)).size() == 256 * 32);
BOOST_CHECK(callContractFunction("f(uint256)", u256(0x101)).size() == 256 * 32);
}
BOOST_AUTO_TEST_CASE(delete_on_array_of_structs)
{
// Test for a bug where we did not increment the counter properly while deleting a dynamic array.
char const* sourceCode = R"(
contract C {
struct S { uint x; uint[] y; }
S[] data;
function f() returns (bool) {
data.length = 2;
data[0].x = 2**200;
data[1].x = 2**200;
delete data;
return true;
}
}
)";
compileAndRun(sourceCode, 0, "C");
// This code interprets x as an array length and thus will go out of gas.
// neither of the two should throw due to out-of-bounds access
BOOST_CHECK(callContractFunction("f()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(internal_library_function)
{
// tests that internal library functions can be called from outside
// and retain the same memory context (i.e. are pulled into the caller's code)
char const* sourceCode = R"(
library L {
function f(uint[] _data) internal {
_data[3] = 2;
}
}
contract C {
function f() returns (uint) {
uint[] memory x = new uint[](7);
x[3] = 8;
L.f(x);
return x[3];
}
}
)";
// This has to work without linking, because everything will be inlined.
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(internal_library_function_calling_private)
{
// tests that internal library functions that are called from outside and that
// themselves call private functions are still able to (i.e. the private function
// also has to be pulled into the caller's code)
char const* sourceCode = R"(
library L {
function g(uint[] _data) private {
_data[3] = 2;
}
function f(uint[] _data) internal {
g(_data);
}
}
contract C {
function f() returns (uint) {
uint[] memory x = new uint[](7);
x[3] = 8;
L.f(x);
return x[3];
}
}
)";
// This has to work without linking, because everything will be inlined.
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(internal_library_function_bound)
{
char const* sourceCode = R"(
library L {
struct S { uint[] data; }
function f(S _s) internal {
_s.data[3] = 2;
}
}
contract C {
using L for L.S;
function f() returns (uint) {
L.S memory x;
x.data = new uint[](7);
x.data[3] = 8;
x.f();
return x.data[3];
}
}
)";
// This has to work without linking, because everything will be inlined.
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(internal_library_function_return_var_size)
{
char const* sourceCode = R"(
library L {
struct S { uint[] data; }
function f(S _s) internal returns (uint[]) {
_s.data[3] = 2;
return _s.data;
}
}
contract C {
using L for L.S;
function f() returns (uint) {
L.S memory x;
x.data = new uint[](7);
x.data[3] = 8;
return x.f()[3];
}
}
)";
// This has to work without linking, because everything will be inlined.
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(iszero_bnot_correct)
{
// A long time ago, some opcodes were renamed, which involved the opcodes
// "iszero" and "not".
char const* sourceCode = R"(
contract C {
function f() returns (bool) {
bytes32 x = 1;
assembly { x := not(x) }
if (x != ~bytes32(1)) return false;
assembly { x := iszero(x) }
if (x != bytes32(0)) return false;
return true;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(cleanup_bytes_types)
{
// Checks that bytesXX types are properly cleaned before they are compared.
char const* sourceCode = R"(
contract C {
function f(bytes2 a, uint16 x) returns (uint) {
if (a != "ab") return 1;
if (x != 0x0102) return 2;
if (bytes3(x) != 0x0102) return 3;
return 0;
}
}
)";
compileAndRun(sourceCode, 0, "C");
// We input longer data on purpose.
BOOST_CHECK(callContractFunction("f(bytes2,uint16)", string("abc"), u256(0x040102)) == encodeArgs(0));
}
BOOST_AUTO_TEST_CASE(skip_dynamic_types)
{
// The EVM cannot provide access to dynamically-sized return values, so we have to skip them.
char const* sourceCode = R"(
contract C {
function f() returns (uint, uint[], uint) {
return (7, new uint[](2), 8);
}
function g() returns (uint, uint) {
// Previous implementation "moved" b to the second place and did not skip.
var (a, _, b) = this.f();
return (a, b);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(u256(7), u256(8)));
}
BOOST_AUTO_TEST_CASE(skip_dynamic_types_for_structs)
{
// For accessors, the dynamic types are already removed in the external signature itself.
char const* sourceCode = R"(
contract C {
struct S {
uint x;
string a; // this is present in the accessor
uint[] b; // this is not present
uint y;
}
S public s;
function g() returns (uint, uint) {
s.x = 2;
s.a = "abc";
s.b = [7, 8, 9];
s.y = 6;
var (x, a, y) = this.s();
return (x, y);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("g()") == encodeArgs(u256(2), u256(6)));
}
BOOST_AUTO_TEST_CASE(failed_create)
{
char const* sourceCode = R"(
contract D { function D() payable {} }
contract C {
uint public x;
function C() payable {}
function f(uint amount) returns (address) {
x++;
return (new D).value(amount)();
}
function stack(uint depth) returns (address) {
if (depth < 1024)
return this.stack(depth - 1);
else
return f(0);
}
}
)";
compileAndRun(sourceCode, 20, "C");
BOOST_CHECK(callContractFunction("f(uint256)", 20) != encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("f(uint256)", 20) == encodeArgs());
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("stack(uint256)", 1023) == encodeArgs());
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_CASE(create_dynamic_array_with_zero_length)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint) {
var a = new uint[][](0);
return 7;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(return_does_not_skip_modifier)
{
char const* sourceCode = R"(
contract C {
uint public x;
modifier setsx {
_;
x = 9;
}
function f() setsx returns (uint) {
return 2;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2)));
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(9)));
}
BOOST_AUTO_TEST_CASE(break_in_modifier)
{
char const* sourceCode = R"(
contract C {
uint public x;
modifier run() {
for (uint i = 0; i < 10; i++) {
_;
break;
}
}
function f() run {
x++;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_CASE(stacked_return_with_modifiers)
{
char const* sourceCode = R"(
contract C {
uint public x;
modifier run() {
for (uint i = 0; i < 10; i++) {
_;
break;
}
}
function f() run {
x++;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_CASE(mutex)
{
char const* sourceCode = R"(
contract mutexed {
bool locked;
modifier protected {
if (locked) throw;
locked = true;
_;
locked = false;
}
}
contract Fund is mutexed {
uint shares;
function Fund() payable { shares = msg.value; }
function withdraw(uint amount) protected returns (uint) {
// NOTE: It is very bad practice to write this function this way.
// Please refer to the documentation of how to do this properly.
if (amount > shares) throw;
if (!msg.sender.call.value(amount)()) throw;
shares -= amount;
return shares;
}
function withdrawUnprotected(uint amount) returns (uint) {
// NOTE: It is very bad practice to write this function this way.
// Please refer to the documentation of how to do this properly.
if (amount > shares) throw;
if (!msg.sender.call.value(amount)()) throw;
shares -= amount;
return shares;
}
}
contract Attacker {
Fund public fund;
uint callDepth;
bool protected;
function setProtected(bool _protected) { protected = _protected; }
function Attacker(Fund _fund) { fund = _fund; }
function attack() returns (uint) {
callDepth = 0;
return attackInternal();
}
function attackInternal() internal returns (uint) {
if (protected)
return fund.withdraw(10);
else
return fund.withdrawUnprotected(10);
}
function() payable {
callDepth++;
if (callDepth < 4)
attackInternal();
}
}
)";
compileAndRun(sourceCode, 500, "Fund");
auto fund = m_contractAddress;
BOOST_CHECK_EQUAL(balanceAt(fund), 500);
compileAndRun(sourceCode, 0, "Attacker", encodeArgs(u160(fund)));
BOOST_CHECK(callContractFunction("setProtected(bool)", true) == encodeArgs());
BOOST_CHECK(callContractFunction("attack()") == encodeArgs());
BOOST_CHECK_EQUAL(balanceAt(fund), 500);
BOOST_CHECK(callContractFunction("setProtected(bool)", false) == encodeArgs());
BOOST_CHECK(callContractFunction("attack()") == encodeArgs(u256(460)));
BOOST_CHECK_EQUAL(balanceAt(fund), 460);
}
BOOST_AUTO_TEST_CASE(failing_ecrecover_invalid_input)
{
// ecrecover should return zero for malformed input
// (v should be 27 or 28, not 1)
// Note that the precompile does not return zero but returns nothing.
char const* sourceCode = R"(
contract C {
function f() returns (address) {
return ecrecover(bytes32(uint(-1)), 1, 2, 3);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(calling_nonexisting_contract_throws)
{
char const* sourceCode = R"(
contract D { function g(); }
contract C {
D d = D(0x1212);
function f() returns (uint) {
d.g();
return 7;
}
function g() returns (uint) {
d.g.gas(200)();
return 7;
}
function h() returns (uint) {
d.call(); // this does not throw (low-level)
return 7;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
BOOST_CHECK(callContractFunction("g()") == encodeArgs());
BOOST_CHECK(callContractFunction("h()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(payable_constructor)
{
char const* sourceCode = R"(
contract C {
function C() payable { }
}
)";
compileAndRun(sourceCode, 27, "C");
}
BOOST_AUTO_TEST_CASE(payable_function)
{
char const* sourceCode = R"(
contract C {
uint public a;
function f() payable returns (uint) {
return msg.value;
}
function() payable {
a = msg.value + 1;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunctionWithValue("f()", 27) == encodeArgs(u256(27)));
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 27);
BOOST_CHECK(callContractFunctionWithValue("", 27) == encodeArgs());
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 27 + 27);
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(28)));
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 27 + 27);
}
BOOST_AUTO_TEST_CASE(payable_function_calls_library)
{
char const* sourceCode = R"(
library L {
function f() returns (uint) { return 7; }
}
contract C {
function f() payable returns (uint) {
return L.f();
}
}
)";
compileAndRun(sourceCode, 0, "L");
compileAndRun(sourceCode, 0, "C", bytes(), map<string, Address>{{"L", m_contractAddress}});
BOOST_CHECK(callContractFunctionWithValue("f()", 27) == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(non_payable_throw)
{
char const* sourceCode = R"(
contract C {
uint public a;
function f() returns (uint) {
return msg.value;
}
function() {
a = msg.value + 1;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunctionWithValue("f()", 27) == encodeArgs());
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 0);
BOOST_CHECK(callContractFunction("") == encodeArgs());
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunctionWithValue("", 27) == encodeArgs());
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 0);
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunctionWithValue("a()", 27) == encodeArgs());
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 0);
}
BOOST_AUTO_TEST_CASE(no_nonpayable_circumvention_by_modifier)
{
char const* sourceCode = R"(
contract C {
modifier tryCircumvent {
if (false) _; // avoid the function, we should still not accept ether
}
function f() tryCircumvent returns (uint) {
return msg.value;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunctionWithValue("f()", 27) == encodeArgs());
BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 0);
}
BOOST_AUTO_TEST_CASE(mem_resize_is_not_paid_at_call)
{
// This tests that memory resize for return values is not paid during the call, which would
// make the gas calculation overly complex. We access the end of the output area before
// the call is made.
// Tests that this also survives the optimizer.
char const* sourceCode = R"(
contract C {
function f() returns (uint[200]) {}
}
contract D {
function f(C c) returns (uint) { c.f(); return 7; }
}
)";
compileAndRun(sourceCode, 0, "C");
u160 cAddr = m_contractAddress;
compileAndRun(sourceCode, 0, "D");
BOOST_CHECK(callContractFunction("f(address)", cAddr) == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(calling_uninitialized_function)
{
char const* sourceCode = R"(
contract C {
function intern() returns (uint) {
function (uint) internal returns (uint) x;
x(2);
return 7;
}
function extern() returns (uint) {
function (uint) external returns (uint) x;
x(2);
return 7;
}
}
)";
compileAndRun(sourceCode, 0, "C");
// This should throw exceptions
BOOST_CHECK(callContractFunction("intern()") == encodeArgs());
BOOST_CHECK(callContractFunction("extern()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(calling_uninitialized_function_in_detail)
{
char const* sourceCode = R"(
contract C {
function() internal returns (uint) x;
int mutex;
function t() returns (uint) {
if (mutex > 0)
return 7;
mutex = 1;
// Avoid re-executing this function if we jump somewhere.
x();
return 2;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("t()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(pass_function_types_internally)
{
char const* sourceCode = R"(
contract C {
function f(uint x) returns (uint) {
return eval(g, x);
}
function eval(function(uint) returns (uint) x, uint a) internal returns (uint) {
return x(a);
}
function g(uint x) returns (uint) { return x + 1; }
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256)", 7) == encodeArgs(u256(8)));
}
BOOST_AUTO_TEST_CASE(pass_function_types_externally)
{
char const* sourceCode = R"(
contract C {
function f(uint x) returns (uint) {
return this.eval(this.g, x);
}
function f2(uint x) returns (uint) {
return eval(this.g, x);
}
function eval(function(uint) external returns (uint) x, uint a) returns (uint) {
return x(a);
}
function g(uint x) returns (uint) { return x + 1; }
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256)", 7) == encodeArgs(u256(8)));
BOOST_CHECK(callContractFunction("f2(uint256)", 7) == encodeArgs(u256(8)));
}
BOOST_AUTO_TEST_CASE(receive_external_function_type)
{
char const* sourceCode = R"(
contract C {
function g() returns (uint) { return 7; }
function f(function() external returns (uint) g) returns (uint) {
return g();
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction(
"f(function)",
m_contractAddress.asBytes() + FixedHash<4>(dev::keccak256("g()")).asBytes() + bytes(32 - 4 - 20, 0)
) == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(return_external_function_type)
{
char const* sourceCode = R"(
contract C {
function g() {}
function f() returns (function() external) {
return this.g;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(
callContractFunction("f()") ==
m_contractAddress.asBytes() + FixedHash<4>(dev::keccak256("g()")).asBytes() + bytes(32 - 4 - 20, 0)
);
}
BOOST_AUTO_TEST_CASE(store_function)
{
char const* sourceCode = R"(
contract Other {
function addTwo(uint x) returns (uint) { return x + 2; }
}
contract C {
function (function (uint) external returns (uint)) returns (uint) ev;
function (uint) external returns (uint) x;
function store(function(uint) external returns (uint) y) {
x = y;
}
function eval(function(uint) external returns (uint) y) returns (uint) {
return y(7);
}
function t() returns (uint) {
ev = eval;
this.store((new Other()).addTwo);
return ev(x);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("t()") == encodeArgs(u256(9)));
}
BOOST_AUTO_TEST_CASE(store_function_in_constructor)
{
char const* sourceCode = R"(
contract C {
uint public result_in_constructor;
function (uint) internal returns (uint) x;
function C () {
x = double;
result_in_constructor = use(2);
}
function double(uint _arg) returns (uint _ret) {
_ret = _arg * 2;
}
function use(uint _arg) returns (uint) {
return x(_arg);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("use(uint256)", encodeArgs(u256(3))) == encodeArgs(u256(6)));
BOOST_CHECK(callContractFunction("result_in_constructor()") == encodeArgs(u256(4)));
}
// TODO: store bound internal library functions
BOOST_AUTO_TEST_CASE(store_internal_unused_function_in_constructor)
{
char const* sourceCode = R"(
contract C {
function () internal returns (uint) x;
function C () {
x = unused;
}
function unused() internal returns (uint) {
return 7;
}
function t() returns (uint) {
return x();
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("t()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(store_internal_unused_library_function_in_constructor)
{
char const* sourceCode = R"(
library L { function x() internal returns (uint) { return 7; } }
contract C {
function () internal returns (uint) x;
function C () {
x = L.x;
}
function t() returns (uint) {
return x();
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("t()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(same_function_in_construction_and_runtime)
{
char const* sourceCode = R"(
contract C {
uint public initial;
function C() {
initial = double(2);
}
function double(uint _arg) returns (uint _ret) {
_ret = _arg * 2;
}
function runtime(uint _arg) returns (uint) {
return double(_arg);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("runtime(uint256)", encodeArgs(u256(3))) == encodeArgs(u256(6)));
BOOST_CHECK(callContractFunction("initial()") == encodeArgs(u256(4)));
}
BOOST_AUTO_TEST_CASE(same_function_in_construction_and_runtime_equality_check)
{
char const* sourceCode = R"(
contract C {
function (uint) internal returns (uint) x;
function C() {
x = double;
}
function test() returns (bool) {
return x == double;
}
function double(uint _arg) returns (uint _ret) {
_ret = _arg * 2;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(function_type_library_internal)
{
char const* sourceCode = R"(
library Utils {
function reduce(uint[] memory array, function(uint, uint) returns (uint) f, uint init) internal returns (uint) {
for (uint i = 0; i < array.length; i++) {
init = f(array[i], init);
}
return init;
}
function sum(uint a, uint b) internal returns (uint) {
return a + b;
}
}
contract C {
function f(uint[] x) returns (uint) {
return Utils.reduce(x, Utils.sum, 0);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256[])", 0x20, 3, u256(1), u256(7), u256(3)) == encodeArgs(u256(11)));
}
BOOST_AUTO_TEST_CASE(call_function_returning_function)
{
char const* sourceCode = R"(
contract test {
function f0() returns (uint) {
return 2;
}
function f1() internal returns (function() returns (uint)) {
return f0;
}
function f2() internal returns (function() returns (function () returns (uint))) {
return f1;
}
function f3() internal returns (function() returns (function () returns (function () returns (uint))))
{
return f2;
}
function f() returns (uint) {
function() returns(function() returns(function() returns(function() returns(uint)))) x;
x = f3;
return x()()()();
}
}
)";
compileAndRun(sourceCode, 0, "test");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(mapping_of_functions)
{
char const* sourceCode = R"(
contract Flow {
bool public success;
mapping (address => function () internal) stages;
function stage0() internal {
stages[msg.sender] = stage1;
}
function stage1() internal {
stages[msg.sender] = stage2;
}
function stage2() internal {
success = true;
}
function Flow() {
stages[msg.sender] = stage0;
}
function f() returns (uint) {
stages[msg.sender]();
return 7;
}
}
)";
compileAndRun(sourceCode, 0, "Flow");
BOOST_CHECK(callContractFunction("success()") == encodeArgs(false));
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(7)));
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(7)));
BOOST_CHECK(callContractFunction("success()") == encodeArgs(false));
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(7)));
BOOST_CHECK(callContractFunction("success()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(packed_functions)
{
char const* sourceCode = R"(
contract C {
// these should take the same slot
function() returns (uint) a;
function() external returns (uint) b;
function() external returns (uint) c;
function() returns (uint) d;
uint8 public x;
function set() {
x = 2;
d = g;
c = this.h;
b = this.h;
a = g;
}
function t1() returns (uint) {
return a();
}
function t2() returns (uint) {
return b();
}
function t3() returns (uint) {
return a();
}
function t4() returns (uint) {
return b();
}
function g() returns (uint) {
return 7;
}
function h() returns (uint) {
return 8;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("set()") == encodeArgs());
BOOST_CHECK(callContractFunction("t1()") == encodeArgs(u256(7)));
BOOST_CHECK(callContractFunction("t2()") == encodeArgs(u256(8)));
BOOST_CHECK(callContractFunction("t3()") == encodeArgs(u256(7)));
BOOST_CHECK(callContractFunction("t4()") == encodeArgs(u256(8)));
BOOST_CHECK(callContractFunction("x()") == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(function_memory_array)
{
char const* sourceCode = R"(
contract C {
function a(uint x) returns (uint) { return x + 1; }
function b(uint x) returns (uint) { return x + 2; }
function c(uint x) returns (uint) { return x + 3; }
function d(uint x) returns (uint) { return x + 5; }
function e(uint x) returns (uint) { return x + 8; }
function test(uint x, uint i) returns (uint) {
function(uint) internal returns (uint)[] memory arr =
new function(uint) internal returns (uint)[](10);
arr[0] = a;
arr[1] = b;
arr[2] = c;
arr[3] = d;
arr[4] = e;
return arr[i](x);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test(uint256,uint256)", u256(10), u256(0)) == encodeArgs(u256(11)));
BOOST_CHECK(callContractFunction("test(uint256,uint256)", u256(10), u256(1)) == encodeArgs(u256(12)));
BOOST_CHECK(callContractFunction("test(uint256,uint256)", u256(10), u256(2)) == encodeArgs(u256(13)));
BOOST_CHECK(callContractFunction("test(uint256,uint256)", u256(10), u256(3)) == encodeArgs(u256(15)));
BOOST_CHECK(callContractFunction("test(uint256,uint256)", u256(10), u256(4)) == encodeArgs(u256(18)));
BOOST_CHECK(callContractFunction("test(uint256,uint256)", u256(10), u256(5)) == encodeArgs());
}
BOOST_AUTO_TEST_CASE(function_delete_storage)
{
char const* sourceCode = R"(
contract C {
function a() returns (uint) { return 7; }
function() internal returns (uint) y;
function set() returns (uint) {
y = a;
return y();
}
function d() returns (uint) {
delete y;
return 1;
}
function ca() returns (uint) {
return y();
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("set()") == encodeArgs(u256(7)));
BOOST_CHECK(callContractFunction("ca()") == encodeArgs(u256(7)));
BOOST_CHECK(callContractFunction("d()") == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("ca()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(function_delete_stack)
{
char const* sourceCode = R"(
contract C {
function a() returns (uint) { return 7; }
function test() returns (uint) {
var y = a;
delete y;
y();
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(copy_function_storage_array)
{
char const* sourceCode = R"(
contract C {
function() internal returns (uint)[] x;
function() internal returns (uint)[] y;
function test() returns (uint) {
x.length = 10;
x[9] = a;
y = x;
return y[9]();
}
function a() returns (uint) {
return 7;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(function_array_cross_calls)
{
char const* sourceCode = R"(
contract D {
function f(function() external returns (function() external returns (uint))[] x)
returns (function() external returns (uint)[3] r)
{
r[0] = x[0]();
r[1] = x[1]();
r[2] = x[2]();
}
}
contract C {
function test() returns (uint, uint, uint) {
function() external returns (function() external returns (uint))[] memory x =
new function() external returns (function() external returns (uint))[](10);
for (uint i = 0; i < x.length; i ++)
x[i] = this.h;
x[0] = this.htwo;
var y = (new D()).f(x);
return (y[0](), y[1](), y[2]());
}
function e() returns (uint) { return 5; }
function f() returns (uint) { return 6; }
function g() returns (uint) { return 7; }
uint counter;
function h() returns (function() external returns (uint)) {
return counter++ == 0 ? this.f : this.g;
}
function htwo() returns (function() external returns (uint)) {
return this.e;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(5), u256(6), u256(7)));
}
BOOST_AUTO_TEST_CASE(copy_internal_function_array_to_storage)
{
char const* sourceCode = R"(
contract C {
function() internal returns (uint)[20] x;
int mutex;
function one() returns (uint) {
function() internal returns (uint)[20] xmem;
x = xmem;
return 3;
}
function two() returns (uint) {
if (mutex > 0)
return 7;
mutex = 1;
// If this test fails, it might re-execute this function.
x[0]();
return 2;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("one()") == encodeArgs(u256(3)));
BOOST_CHECK(callContractFunction("two()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(shift_constant_left)
{
char const* sourceCode = R"(
contract C {
uint public a = 0x42 << 8;
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(0x4200)));
}
BOOST_AUTO_TEST_CASE(shift_negative_constant_left)
{
char const* sourceCode = R"(
contract C {
int public a = -0x42 << 8;
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(-0x4200)));
}
BOOST_AUTO_TEST_CASE(shift_constant_right)
{
char const* sourceCode = R"(
contract C {
uint public a = 0x4200 >> 8;
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(0x42)));
}
BOOST_AUTO_TEST_CASE(shift_negative_constant_right)
{
char const* sourceCode = R"(
contract C {
int public a = -0x4200 >> 8;
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("a()") == encodeArgs(u256(-0x42)));
}
BOOST_AUTO_TEST_CASE(shift_left)
{
char const* sourceCode = R"(
contract C {
function f(uint a, uint b) returns (uint) {
return a << b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(8)) == encodeArgs(u256(0x426600)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(16)) == encodeArgs(u256(0x42660000)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(17)) == encodeArgs(u256(0x84cc0000)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(240)) == fromHex("4266000000000000000000000000000000000000000000000000000000000000"));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(256)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_left_uint32)
{
char const* sourceCode = R"(
contract C {
function f(uint32 a, uint32 b) returns (uint) {
return a << b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266)));
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(8)) == encodeArgs(u256(0x426600)));
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(16)) == encodeArgs(u256(0x42660000)));
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(17)) == encodeArgs(u256(0x84cc0000)));
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(32)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_left_uint8)
{
char const* sourceCode = R"(
contract C {
function f(uint8 a, uint8 b) returns (uint) {
return a << b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x66), u256(0)) == encodeArgs(u256(0x66)));
BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x66), u256(8)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_left_larger_type)
{
// This basically tests proper cleanup and conversion. It should not convert x to int8.
char const* sourceCode = R"(
contract C {
function f() returns (int8) {
uint8 x = 254;
int8 y = 1;
return y << x;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_left_assignment)
{
char const* sourceCode = R"(
contract C {
function f(uint a, uint b) returns (uint) {
a <<= b;
return a;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(8)) == encodeArgs(u256(0x426600)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(16)) == encodeArgs(u256(0x42660000)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(17)) == encodeArgs(u256(0x84cc0000)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(240)) == fromHex("4266000000000000000000000000000000000000000000000000000000000000"));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(256)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_left_assignment_different_type)
{
char const* sourceCode = R"(
contract C {
function f(uint a, uint8 b) returns (uint) {
a <<= b;
return a;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266)));
BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(8)) == encodeArgs(u256(0x426600)));
BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(16)) == encodeArgs(u256(0x42660000)));
BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(17)) == encodeArgs(u256(0x84cc0000)));
BOOST_CHECK(callContractFunction("f(uint256,uint8)", u256(0x4266), u256(240)) == fromHex("4266000000000000000000000000000000000000000000000000000000000000"));
}
BOOST_AUTO_TEST_CASE(shift_right)
{
char const* sourceCode = R"(
contract C {
function f(uint a, uint b) returns (uint) {
return a >> b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(8)) == encodeArgs(u256(0x42)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(16)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(17)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_right_garbled)
{
char const* sourceCode = R"(
contract C {
function f(uint8 a, uint8 b) returns (uint) {
assembly {
a := 0xffffffff
}
// Higher bits should be cleared before the shift
return a >> b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x0), u256(4)) == encodeArgs(u256(0xf)));
BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x0), u256(0x1004)) == encodeArgs(u256(0xf)));
}
BOOST_AUTO_TEST_CASE(shift_right_uint32)
{
char const* sourceCode = R"(
contract C {
function f(uint32 a, uint32 b) returns (uint) {
return a >> b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266)));
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(8)) == encodeArgs(u256(0x42)));
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(16)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("f(uint32,uint32)", u256(0x4266), u256(17)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_right_uint8)
{
char const* sourceCode = R"(
contract C {
function f(uint8 a, uint8 b) returns (uint) {
return a >> b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x66), u256(0)) == encodeArgs(u256(0x66)));
BOOST_CHECK(callContractFunction("f(uint8,uint8)", u256(0x66), u256(8)) == encodeArgs(u256(0x0)));
}
BOOST_AUTO_TEST_CASE(shift_right_assignment)
{
char const* sourceCode = R"(
contract C {
function f(uint a, uint b) returns (uint) {
a >>= b;
return a;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(0)) == encodeArgs(u256(0x4266)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(8)) == encodeArgs(u256(0x42)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(16)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("f(uint256,uint256)", u256(0x4266), u256(17)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_right_negative_lvalue)
{
char const* sourceCode = R"(
contract C {
function f(int a, int b) returns (int) {
return a >> b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(0)) == encodeArgs(u256(-4266)));
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(8)) == encodeArgs(u256(-16)));
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(16)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(17)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_right_negative_lvalue_assignment)
{
char const* sourceCode = R"(
contract C {
function f(int a, int b) returns (int) {
a >>= b;
return a;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(0)) == encodeArgs(u256(-4266)));
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(8)) == encodeArgs(u256(-16)));
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(16)) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(-4266), u256(17)) == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(shift_negative_rvalue)
{
char const* sourceCode = R"(
contract C {
function f(int a, int b) returns (int) {
return a << b;
}
function g(int a, int b) returns (int) {
return a >> b;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(1), u256(-1)) == encodeArgs());
BOOST_CHECK(callContractFunction("g(int256,int256)", u256(1), u256(-1)) == encodeArgs());
}
BOOST_AUTO_TEST_CASE(shift_negative_rvalue_assignment)
{
char const* sourceCode = R"(
contract C {
function f(int a, int b) returns (int) {
a <<= b;
return a;
}
function g(int a, int b) returns (int) {
a >>= b;
return a;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f(int256,int256)", u256(1), u256(-1)) == encodeArgs());
BOOST_CHECK(callContractFunction("g(int256,int256)", u256(1), u256(-1)) == encodeArgs());
}
BOOST_AUTO_TEST_CASE(shift_constant_left_assignment)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint a) {
a = 0x42;
a <<= 8;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x4200)));
}
BOOST_AUTO_TEST_CASE(shift_constant_right_assignment)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint a) {
a = 0x4200;
a >>= 8;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x42)));
}
BOOST_AUTO_TEST_CASE(shift_cleanup)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint16 x) {
x = 0xffff;
x += 32;
x <<= 8;
x >>= 16;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x0)));
}
BOOST_AUTO_TEST_CASE(shift_cleanup_garbled)
{
char const* sourceCode = R"(
contract C {
function f() returns (uint8 x) {
assembly {
x := 0xffff
}
x >>= 8;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x0)));
}
BOOST_AUTO_TEST_CASE(shift_overflow)
{
char const* sourceCode = R"(
contract C {
function leftU(uint8 x, uint8 y) returns (uint8) {
return x << y;
}
function leftS(int8 x, int8 y) returns (int8) {
return x << y;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("leftU(uint8,uint8)", 255, 8) == encodeArgs(u256(0)));
BOOST_CHECK(callContractFunction("leftU(uint8,uint8)", 255, 1) == encodeArgs(u256(254)));
BOOST_CHECK(callContractFunction("leftU(uint8,uint8)", 255, 0) == encodeArgs(u256(255)));
// Result is -128 and output is sign-extended, not zero-padded.
BOOST_CHECK(callContractFunction("leftS(int8,int8)", 1, 7) == encodeArgs(u256(0) - 128));
BOOST_CHECK(callContractFunction("leftS(int8,int8)", 1, 6) == encodeArgs(u256(64)));
}
BOOST_AUTO_TEST_CASE(shift_bytes)
{
char const* sourceCode = R"(
contract C {
function left(bytes20 x, uint8 y) returns (bytes20) {
return x << y;
}
function right(bytes20 x, uint8 y) returns (bytes20) {
return x >> y;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("left(bytes20,uint8)", "12345678901234567890", 8 * 8) == encodeArgs("901234567890" + string(8, 0)));
BOOST_CHECK(callContractFunction("right(bytes20,uint8)", "12345678901234567890", 8 * 8) == encodeArgs(string(8, 0) + "123456789012"));
}
BOOST_AUTO_TEST_CASE(shift_bytes_cleanup)
{
char const* sourceCode = R"(
contract C {
function left(uint8 y) returns (bytes20) {
bytes20 x;
assembly { x := "12345678901234567890abcde" }
return x << y;
}
function right(uint8 y) returns (bytes20) {
bytes20 x;
assembly { x := "12345678901234567890abcde" }
return x >> y;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("left(uint8)", 8 * 8) == encodeArgs("901234567890" + string(8, 0)));
BOOST_CHECK(callContractFunction("right(uint8)", 8 * 8) == encodeArgs(string(8, 0) + "123456789012"));
}
BOOST_AUTO_TEST_CASE(cleanup_in_compound_assign)
{
char const* sourceCode = R"(
contract C {
function test() returns (uint, uint) {
uint32 a = 0xffffffff;
uint16 x = uint16(a);
uint16 y = x;
x /= 0x100;
y = y / 0x100;
return (x, y);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("test()") == encodeArgs(u256(0xff), u256(0xff)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_in_modifiers)
{
char const* sourceCode = R"(
contract C {
modifier m {
uint a = 1;
assembly {
a := 2
}
if (a != 2)
throw;
_;
}
function f() m returns (bool) {
return true;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(packed_storage_overflow)
{
char const* sourceCode = R"(
contract C {
uint16 x = 0x1234;
uint16 a = 0xffff;
uint16 b;
function f() returns (uint, uint, uint, uint) {
a++;
uint c = b;
delete b;
a -= 2;
return (x, c, b, a);
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0x1234), u256(0), u256(0), u256(0xfffe)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_invalidjumplabel)
{
char const* sourceCode = R"(
contract C {
function f() {
assembly {
jump(invalidJumpLabel)
}
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs());
}
BOOST_AUTO_TEST_CASE(contracts_separated_with_comment)
{
char const* sourceCode = R"(
contract C1 {}
/**
**/
contract C2 {}
)";
compileAndRun(sourceCode, 0, "C1");
compileAndRun(sourceCode, 0, "C2");
}
BOOST_AUTO_TEST_CASE(include_creation_bytecode_only_once)
{
char const* sourceCode = R"(
contract D {
bytes a = hex"1237651237125387136581271652831736512837126583171583712358126123765123712538713658127165283173651283712658317158371235812612376512371253871365812716528317365128371265831715837123581261237651237125387136581271652831736512837126583171583712358126";
bytes b = hex"1237651237125327136581271252831736512837126583171383712358126123765125712538713658127165253173651283712658357158371235812612376512371a5387136581271652a317365128371265a317158371235812612a765123712538a13658127165a83173651283712a58317158371235a126";
function D(uint) {}
}
contract Double {
function f() {
new D(2);
}
function g() {
new D(3);
}
}
contract Single {
function f() {
new D(2);
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK_LE(
double(m_compiler.object("Double").bytecode.size()),
1.1 * double(m_compiler.object("Single").bytecode.size())
);
}
BOOST_AUTO_TEST_CASE(recursive_structs)
{
char const* sourceCode = R"(
contract C {
struct S {
S[] x;
}
S sstorage;
function f() returns (uint) {
S memory s;
s.x = new S[](10);
delete s;
sstorage.x.length++;
delete sstorage;
return 1;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(1)));
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces