mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
551 lines
12 KiB
C++
551 lines
12 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Unit tests for Solidity's ABI encoder.
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*/
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#include <functional>
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#include <string>
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#include <tuple>
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#include <boost/test/unit_test.hpp>
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#include <libsolidity/interface/Exceptions.h>
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#include <test/libsolidity/SolidityExecutionFramework.h>
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using namespace std;
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using namespace std::placeholders;
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using namespace dev::test;
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namespace dev
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{
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namespace solidity
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{
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namespace test
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{
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#define REQUIRE_LOG_DATA(DATA) do { \
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BOOST_REQUIRE_EQUAL(m_logs.size(), 1); \
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BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress); \
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BOOST_CHECK_EQUAL(toHex(m_logs[0].data), toHex(DATA)); \
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} while (false)
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static string const NewEncoderPragma = "pragma experimental ABIEncoderV2;\n";
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#define NEW_ENCODER(CODE) \
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{ \
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sourceCode = NewEncoderPragma + sourceCode; \
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{ CODE } \
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}
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#define BOTH_ENCODERS(CODE) \
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{ \
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{ CODE } \
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NEW_ENCODER(CODE) \
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}
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BOOST_FIXTURE_TEST_SUITE(ABIEncoderTest, SolidityExecutionFramework)
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BOOST_AUTO_TEST_CASE(both_encoders_macro)
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{
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// This tests that the "both encoders macro" at least runs twice and
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// modifies the source.
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string sourceCode;
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int runs = 0;
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BOTH_ENCODERS(runs++;)
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BOOST_CHECK(sourceCode == NewEncoderPragma);
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BOOST_CHECK_EQUAL(runs, 2);
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}
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BOOST_AUTO_TEST_CASE(value_types)
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{
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string sourceCode = R"(
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contract C {
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event E(uint a, uint16 b, uint24 c, int24 d, bytes3 x, bool, C);
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function f() {
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bytes6 x = hex"1bababababa2";
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bool b;
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assembly { b := 7 }
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C c;
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assembly { c := sub(0, 5) }
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E(10, uint16(uint256(-2)), uint24(0x12121212), int24(int256(-1)), bytes3(x), b, c);
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(
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10, u256(65534), u256(0x121212), u256(-1), string("\x1b\xab\xab"), true, u160(u256(-5))
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));
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)
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}
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BOOST_AUTO_TEST_CASE(string_literal)
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{
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string sourceCode = R"(
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contract C {
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event E(string, bytes20, string);
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function f() {
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E("abcdef", "abcde", "abcdefabcdefgehabcabcasdfjklabcdefabcedefghabcabcasdfjklabcdefabcdefghabcabcasdfjklabcdeefabcdefghabcabcasdefjklabcdefabcdefghabcabcasdfjkl");
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(
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0x60, string("abcde"), 0xa0,
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6, string("abcdef"),
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0x8b, string("abcdefabcdefgehabcabcasdfjklabcdefabcedefghabcabcasdfjklabcdefabcdefghabcabcasdfjklabcdeefabcdefghabcabcasdefjklabcdefabcdefghabcabcasdfjkl")
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));
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)
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}
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BOOST_AUTO_TEST_CASE(enum_type_cleanup)
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{
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string sourceCode = R"(
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contract C {
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enum E { A, B }
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function f(uint x) returns (E en) {
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assembly { en := x }
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("f(uint256)", 0) == encodeArgs(0));
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BOOST_CHECK(callContractFunction("f(uint256)", 1) == encodeArgs(1));
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BOOST_CHECK(callContractFunction("f(uint256)", 2) == encodeArgs());
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)
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}
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BOOST_AUTO_TEST_CASE(conversion)
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{
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string sourceCode = R"(
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contract C {
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event E(bytes4, bytes4, uint16, uint8, int16, int8);
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function f() {
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bytes2 x; assembly { x := 0xf1f2f3f400000000000000000000000000000000000000000000000000000000 }
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uint8 a;
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uint16 b = 0x1ff;
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int8 c;
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int16 d;
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assembly { a := sub(0, 1) c := 0x0101ff d := 0xff01 }
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E(10, x, a, uint8(b), c, int8(d));
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(
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string(3, 0) + string("\x0a"), string("\xf1\xf2"),
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0xff, 0xff, u256(-1), u256(1)
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));
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)
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}
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BOOST_AUTO_TEST_CASE(memory_array_one_dim)
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{
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string sourceCode = R"(
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contract C {
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event E(uint a, int16[] b, uint c);
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function f() {
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int16[] memory x = new int16[](3);
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assembly {
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for { let i := 0 } lt(i, 3) { i := add(i, 1) } {
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mstore(add(x, mul(add(i, 1), 0x20)), add(0xfffffffe, i))
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}
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}
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E(10, x, 11);
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}
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}
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)";
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compileAndRun(sourceCode);
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callContractFunction("f()");
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// The old encoder does not clean array elements.
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REQUIRE_LOG_DATA(encodeArgs(10, 0x60, 11, 3, u256("0xfffffffe"), u256("0xffffffff"), u256("0x100000000")));
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compileAndRun(NewEncoderPragma + sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(10, 0x60, 11, 3, u256(-2), u256(-1), u256(0)));
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}
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BOOST_AUTO_TEST_CASE(memory_array_two_dim)
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{
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string sourceCode = R"(
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contract C {
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event E(uint a, int16[][2] b, uint c);
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function f() {
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int16[][2] memory x;
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x[0] = new int16[](3);
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x[1] = new int16[](2);
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x[0][0] = 7;
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x[0][1] = int16(0x010203040506);
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x[0][2] = -1;
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x[1][0] = 4;
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x[1][1] = 5;
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E(10, x, 11);
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}
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}
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)";
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NEW_ENCODER(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(10, 0x60, 11, 0x40, 0xc0, 3, 7, 0x0506, u256(-1), 2, 4, 5));
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)
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}
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BOOST_AUTO_TEST_CASE(memory_byte_array)
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{
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string sourceCode = R"(
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contract C {
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event E(uint a, bytes[] b, uint c);
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function f() {
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bytes[] memory x = new bytes[](2);
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x[0] = "abcabcdefghjklmnopqrsuvwabcdefgijklmnopqrstuwabcdefgijklmnoprstuvw";
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x[1] = "abcdefghijklmnopqrtuvwabcfghijklmnopqstuvwabcdeghijklmopqrstuvw";
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E(10, x, 11);
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}
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}
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)";
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NEW_ENCODER(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(
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10, 0x60, 11,
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2, 0x40, 0xc0,
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66, string("abcabcdefghjklmnopqrsuvwabcdefgijklmnopqrstuwabcdefgijklmnoprstuvw"),
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63, string("abcdefghijklmnopqrtuvwabcfghijklmnopqstuvwabcdeghijklmopqrstuvw")
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));
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)
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}
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BOOST_AUTO_TEST_CASE(storage_byte_array)
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{
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string sourceCode = R"(
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contract C {
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bytes short;
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bytes long;
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event E(bytes s, bytes l);
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function f() {
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short = "123456789012345678901234567890a";
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long = "ffff123456789012345678901234567890afffffffff123456789012345678901234567890a";
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E(short, long);
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(
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0x40, 0x80,
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31, string("123456789012345678901234567890a"),
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75, string("ffff123456789012345678901234567890afffffffff123456789012345678901234567890a")
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));
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)
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}
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BOOST_AUTO_TEST_CASE(storage_array)
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{
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string sourceCode = R"(
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contract C {
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address[3] addr;
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event E(address[3] a);
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function f() {
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assembly {
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sstore(0, sub(0, 1))
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sstore(1, sub(0, 2))
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sstore(2, sub(0, 3))
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}
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E(addr);
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(u160(-1), u160(-2), u160(-3)));
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)
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}
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BOOST_AUTO_TEST_CASE(storage_array_dyn)
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{
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string sourceCode = R"(
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contract C {
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address[] addr;
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event E(address[] a);
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function f() {
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addr.push(1);
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addr.push(2);
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addr.push(3);
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E(addr);
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(0x20, 3, u160(1), u160(2), u160(3)));
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)
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}
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BOOST_AUTO_TEST_CASE(storage_array_compact)
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{
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string sourceCode = R"(
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contract C {
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int72[] x;
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event E(int72[]);
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function f() {
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x.push(-1);
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x.push(2);
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x.push(-3);
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x.push(4);
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x.push(-5);
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x.push(6);
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x.push(-7);
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x.push(8);
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E(x);
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f()");
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REQUIRE_LOG_DATA(encodeArgs(
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0x20, 8, u256(-1), 2, u256(-3), 4, u256(-5), 6, u256(-7), 8
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));
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)
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}
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BOOST_AUTO_TEST_CASE(external_function)
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{
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string sourceCode = R"(
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contract C {
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event E(function(uint) external returns (uint), function(uint) external returns (uint));
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function(uint) external returns (uint) g;
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function f(uint) returns (uint) {
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g = this.f;
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E(this.f, g);
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f(uint256)");
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string functionIdF = asString(m_contractAddress.ref()) + asString(FixedHash<4>(dev::keccak256("f(uint256)")).ref());
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REQUIRE_LOG_DATA(encodeArgs(functionIdF, functionIdF));
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)
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}
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BOOST_AUTO_TEST_CASE(external_function_cleanup)
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{
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string sourceCode = R"(
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contract C {
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event E(function(uint) external returns (uint), function(uint) external returns (uint));
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// This test relies on the fact that g is stored in slot zero.
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function(uint) external returns (uint) g;
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function f(uint) returns (uint) {
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function(uint) external returns (uint)[1] memory h;
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assembly { sstore(0, sub(0, 1)) mstore(h, sub(0, 1)) }
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E(h[0], g);
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f(uint256)");
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REQUIRE_LOG_DATA(encodeArgs(string(24, char(-1)), string(24, char(-1))));
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)
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}
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BOOST_AUTO_TEST_CASE(calldata)
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{
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string sourceCode = R"(
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contract C {
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event E(bytes);
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function f(bytes a) external {
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E(a);
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}
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}
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)";
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string s("abcdef");
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string t("abcdefgggggggggggggggggggggggggggggggggggggggghhheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeggg");
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bool newEncoder = false;
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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callContractFunction("f(bytes)", 0x20, s.size(), s);
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// The old encoder did not pad to multiples of 32 bytes
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REQUIRE_LOG_DATA(encodeArgs(0x20, s.size()) + (newEncoder ? encodeArgs(s) : asBytes(s)));
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callContractFunction("f(bytes)", 0x20, t.size(), t);
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REQUIRE_LOG_DATA(encodeArgs(0x20, t.size()) + (newEncoder ? encodeArgs(t) : asBytes(t)));
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newEncoder = true;
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)
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}
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BOOST_AUTO_TEST_CASE(function_name_collision)
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{
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// This tests a collision between a function name used by inline assembly
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// and by the ABI encoder
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string sourceCode = R"(
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contract C {
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function f(uint x) returns (uint) {
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assembly {
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function abi_encode_t_uint256_to_t_uint256() {
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mstore(0, 7)
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return(0, 0x20)
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}
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switch x
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case 0 { abi_encode_t_uint256_to_t_uint256() }
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}
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return 1;
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}
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}
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)";
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BOTH_ENCODERS(
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("f(uint256)", encodeArgs(0)) == encodeArgs(7));
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BOOST_CHECK(callContractFunction("f(uint256)", encodeArgs(1)) == encodeArgs(1));
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)
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}
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BOOST_AUTO_TEST_CASE(structs)
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{
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string sourceCode = R"(
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contract C {
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struct S { uint16 a; uint16 b; T[] sub; uint16 c; }
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struct T { uint64[2] x; }
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S s;
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event e(uint16, S);
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function f() returns (uint, S) {
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uint16 x = 7;
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s.a = 8;
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s.b = 9;
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s.c = 10;
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s.sub.length = 3;
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s.sub[0].x[0] = 11;
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s.sub[1].x[0] = 12;
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s.sub[2].x[1] = 13;
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e(x, s);
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return (x, s);
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}
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}
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)";
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NEW_ENCODER(
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compileAndRun(sourceCode, 0, "C");
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bytes encoded = encodeArgs(
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u256(7), 0x40,
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8, 9, 0x80, 10,
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3,
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11, 0,
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12, 0,
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0, 13
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);
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BOOST_CHECK(callContractFunction("f()") == encoded);
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REQUIRE_LOG_DATA(encoded);
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)
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}
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BOOST_AUTO_TEST_CASE(empty_struct)
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{
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string sourceCode = R"(
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contract C {
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struct S { }
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S s;
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event e(uint16, S, uint16);
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function f() returns (uint, S, uint) {
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e(7, s, 8);
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return (7, s, 8);
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}
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}
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)";
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NEW_ENCODER(
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compileAndRun(sourceCode, 0, "C");
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bytes encoded = encodeArgs(7, 8);
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BOOST_CHECK(callContractFunction("f()") == encoded);
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REQUIRE_LOG_DATA(encoded);
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)
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}
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BOOST_AUTO_TEST_CASE(structs2)
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{
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string sourceCode = R"(
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contract C {
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enum E {A, B, C}
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struct T { uint x; E e; uint8 y; }
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struct S { C c; T[] t;}
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function f() public returns (uint a, S[2] s1, S[] s2, uint b) {
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a = 7;
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b = 8;
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s1[0].c = this;
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s1[0].t = new T[](1);
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s1[0].t[0].x = 0x11;
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s1[0].t[0].e = E.B;
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s1[0].t[0].y = 0x12;
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s2 = new S[](2);
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s2[1].c = C(0x1234);
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s2[1].t = new T[](3);
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s2[1].t[1].x = 0x21;
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s2[1].t[1].e = E.C;
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s2[1].t[1].y = 0x22;
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}
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}
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)";
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NEW_ENCODER(
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compileAndRun(sourceCode, 0, "C");
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ABI_CHECK(callContractFunction("f()"), encodeArgs(
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7, 0x80, 0x1e0, 8,
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// S[2] s1
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0x40,
|
|
0x100,
|
|
// S s1[0]
|
|
u256(u160(m_contractAddress)),
|
|
0x40,
|
|
// T s1[0].t
|
|
1, // length
|
|
// s1[0].t[0]
|
|
0x11, 1, 0x12,
|
|
// S s1[1]
|
|
0, 0x40,
|
|
// T s1[1].t
|
|
0,
|
|
// S[] s2 (0x1e0)
|
|
2, // length
|
|
0x40, 0xa0,
|
|
// S s2[0]
|
|
0, 0x40, 0,
|
|
// S s2[1]
|
|
0x1234, 0x40,
|
|
// s2[1].t
|
|
3, // length
|
|
0, 0, 0,
|
|
0x21, 2, 0x22,
|
|
0, 0, 0
|
|
));
|
|
)
|
|
}
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|
|
|
|
}
|
|
}
|
|
} // end namespaces
|