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solidity/test/libsolidity/StandardCompiler.cpp
Alex Beregszaszi 0432401e20 Emit warning when using the Yul optimiser
2019-03-25 18:38:06 +01:00

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/*
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/>.
*/
/**
* @date 2017
* Unit tests for interface/StandardCompiler.h.
*/
#include <string>
#include <boost/test/unit_test.hpp>
#include <libsolidity/interface/StandardCompiler.h>
#include <libdevcore/JSON.h>
#include <test/Metadata.h>
using namespace std;
using namespace dev::eth;
namespace dev
{
namespace solidity
{
namespace test
{
namespace
{
/// Helper to match a specific error type and message
bool containsError(Json::Value const& _compilerResult, string const& _type, string const& _message)
{
if (!_compilerResult.isMember("errors"))
return false;
for (auto const& error: _compilerResult["errors"])
{
BOOST_REQUIRE(error.isObject());
BOOST_REQUIRE(error["type"].isString());
BOOST_REQUIRE(error["message"].isString());
if ((error["type"].asString() == _type) && (error["message"].asString() == _message))
return true;
}
return false;
}
bool containsAtMostWarnings(Json::Value const& _compilerResult)
{
if (!_compilerResult.isMember("errors"))
return true;
for (auto const& error: _compilerResult["errors"])
{
BOOST_REQUIRE(error.isObject());
BOOST_REQUIRE(error["severity"].isString());
if (error["severity"].asString() != "warning")
return false;
}
return true;
}
Json::Value getContractResult(Json::Value const& _compilerResult, string const& _file, string const& _name)
{
if (
!_compilerResult["contracts"].isObject() ||
!_compilerResult["contracts"][_file].isObject() ||
!_compilerResult["contracts"][_file][_name].isObject()
)
return Json::Value();
return _compilerResult["contracts"][_file][_name];
}
Json::Value compile(string const& _input)
{
StandardCompiler compiler;
string output = compiler.compile(_input);
Json::Value ret;
BOOST_REQUIRE(jsonParseStrict(output, ret));
return ret;
}
} // end anonymous namespace
BOOST_AUTO_TEST_SUITE(StandardCompiler)
BOOST_AUTO_TEST_CASE(assume_object_input)
{
Json::Value result;
/// Use the native JSON interface of StandardCompiler to trigger these
solidity::StandardCompiler compiler;
result = compiler.compile(Json::Value());
BOOST_CHECK(containsError(result, "JSONError", "Input is not a JSON object."));
result = compiler.compile(Json::Value("INVALID"));
BOOST_CHECK(containsError(result, "JSONError", "Input is not a JSON object."));
/// Use the string interface of StandardCompiler to trigger these
result = compile("");
BOOST_CHECK(containsError(result, "JSONError", "* Line 1, Column 1\n Syntax error: value, object or array expected.\n* Line 1, Column 1\n A valid JSON document must be either an array or an object value.\n"));
result = compile("invalid");
BOOST_CHECK(containsError(result, "JSONError", "* Line 1, Column 1\n Syntax error: value, object or array expected.\n* Line 1, Column 2\n Extra non-whitespace after JSON value.\n"));
result = compile("\"invalid\"");
BOOST_CHECK(containsError(result, "JSONError", "* Line 1, Column 1\n A valid JSON document must be either an array or an object value.\n"));
BOOST_CHECK(!containsError(result, "JSONError", "* Line 1, Column 1\n Syntax error: value, object or array expected.\n"));
result = compile("{}");
BOOST_CHECK(!containsError(result, "JSONError", "* Line 1, Column 1\n Syntax error: value, object or array expected.\n"));
BOOST_CHECK(!containsAtMostWarnings(result));
}
BOOST_AUTO_TEST_CASE(invalid_language)
{
char const* input = R"(
{
"language": "INVALID",
"sources": { "name": { "content": "abc" } }
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "Only \"Solidity\" or \"Yul\" is supported as a language."));
}
BOOST_AUTO_TEST_CASE(valid_language)
{
char const* input = R"(
{
"language": "Solidity"
}
)";
Json::Value result = compile(input);
BOOST_CHECK(!containsError(result, "JSONError", "Only \"Solidity\" or \"Yul\" is supported as a language."));
}
BOOST_AUTO_TEST_CASE(no_sources)
{
char const* input = R"(
{
"language": "Solidity"
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "No input sources specified."));
}
BOOST_AUTO_TEST_CASE(no_sources_empty_object)
{
char const* input = R"(
{
"language": "Solidity",
"sources": {}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "No input sources specified."));
}
BOOST_AUTO_TEST_CASE(no_sources_empty_array)
{
char const* input = R"(
{
"language": "Solidity",
"sources": []
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "\"sources\" is not a JSON object."));
}
BOOST_AUTO_TEST_CASE(sources_is_array)
{
char const* input = R"(
{
"language": "Solidity",
"sources": ["aa", "bb"]
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "\"sources\" is not a JSON object."));
}
BOOST_AUTO_TEST_CASE(unexpected_trailing_test)
{
char const* input = R"(
{
"language": "Solidity",
"sources": {
"A": {
"content": "contract A { function f() {} }"
}
}
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "* Line 10, Column 2\n Extra non-whitespace after JSON value.\n"));
}
BOOST_AUTO_TEST_CASE(smoke_test)
{
char const* input = R"(
{
"language": "Solidity",
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
}
BOOST_AUTO_TEST_CASE(optimizer_enabled_not_boolean)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"optimizer": {
"enabled": "wrong"
}
},
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "The \"enabled\" setting must be a Boolean."));
}
BOOST_AUTO_TEST_CASE(optimizer_runs_not_a_number)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"optimizer": {
"enabled": true,
"runs": "not a number"
}
},
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "The \"runs\" setting must be an unsigned number."));
}
BOOST_AUTO_TEST_CASE(optimizer_runs_not_an_unsigned_number)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"optimizer": {
"enabled": true,
"runs": -1
}
},
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "The \"runs\" setting must be an unsigned number."));
}
BOOST_AUTO_TEST_CASE(basic_compilation)
{
char const* input = R"(
{
"language": "Solidity",
"sources": {
"fileA": {
"content": "contract A { }"
}
},
"settings": {
"outputSelection": {
"fileA": {
"A": [ "abi", "devdoc", "userdoc", "evm.bytecode", "evm.assembly", "evm.gasEstimates", "evm.legacyAssembly", "metadata" ],
"": [ "legacyAST" ]
}
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["abi"].isArray());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["abi"]), "[]");
BOOST_CHECK(contract["devdoc"].isObject());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["devdoc"]), "{\"methods\":{}}");
BOOST_CHECK(contract["userdoc"].isObject());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["userdoc"]), "{\"methods\":{}}");
BOOST_CHECK(contract["evm"].isObject());
/// @TODO check evm.methodIdentifiers, legacyAssembly, bytecode, deployedBytecode
BOOST_CHECK(contract["evm"]["bytecode"].isObject());
BOOST_CHECK(contract["evm"]["bytecode"]["object"].isString());
BOOST_CHECK_EQUAL(
dev::test::bytecodeSansMetadata(contract["evm"]["bytecode"]["object"].asString()),
"6080604052348015600f57600080fd5b50603580601d6000396000f3fe6080604052600080fdfe"
);
BOOST_CHECK(contract["evm"]["assembly"].isString());
BOOST_CHECK(contract["evm"]["assembly"].asString().find(
" /* \"fileA\":0:14 contract A { } */\n mstore(0x40, 0x80)\n "
"callvalue\n /* \"--CODEGEN--\":8:17 */\n dup1\n "
"/* \"--CODEGEN--\":5:7 */\n iszero\n tag_1\n jumpi\n "
"/* \"--CODEGEN--\":30:31 */\n 0x00\n /* \"--CODEGEN--\":27:28 */\n "
"dup1\n /* \"--CODEGEN--\":20:32 */\n revert\n /* \"--CODEGEN--\":5:7 */\n"
"tag_1:\n /* \"fileA\":0:14 contract A { } */\n pop\n dataSize(sub_0)\n dup1\n "
"dataOffset(sub_0)\n 0x00\n codecopy\n 0x00\n return\nstop\n\nsub_0: assembly {\n "
"/* \"fileA\":0:14 contract A { } */\n mstore(0x40, 0x80)\n 0x00\n "
"dup1\n revert\n\n auxdata: 0xa165627a7a72305820"
) == 0);
BOOST_CHECK(contract["evm"]["gasEstimates"].isObject());
BOOST_CHECK_EQUAL(
dev::jsonCompactPrint(contract["evm"]["gasEstimates"]),
"{\"creation\":{\"codeDepositCost\":\"10600\",\"executionCost\":\"66\",\"totalCost\":\"10666\"}}"
);
// Lets take the top level `.code` section (the "deployer code"), that should expose most of the features of
// the assembly JSON. What we want to check here is Operation, Push, PushTag, PushSub, PushSubSize and Tag.
BOOST_CHECK(contract["evm"]["legacyAssembly"].isObject());
BOOST_CHECK(contract["evm"]["legacyAssembly"][".code"].isArray());
BOOST_CHECK_EQUAL(
dev::jsonCompactPrint(contract["evm"]["legacyAssembly"][".code"]),
"[{\"begin\":0,\"end\":14,\"name\":\"PUSH\",\"value\":\"80\"},"
"{\"begin\":0,\"end\":14,\"name\":\"PUSH\",\"value\":\"40\"},"
"{\"begin\":0,\"end\":14,\"name\":\"MSTORE\"},"
"{\"begin\":0,\"end\":14,\"name\":\"CALLVALUE\"},"
"{\"begin\":8,\"end\":17,\"name\":\"DUP1\"},"
"{\"begin\":5,\"end\":7,\"name\":\"ISZERO\"},"
"{\"begin\":5,\"end\":7,\"name\":\"PUSH [tag]\",\"value\":\"1\"},"
"{\"begin\":5,\"end\":7,\"name\":\"JUMPI\"},"
"{\"begin\":30,\"end\":31,\"name\":\"PUSH\",\"value\":\"0\"},"
"{\"begin\":27,\"end\":28,\"name\":\"DUP1\"},"
"{\"begin\":20,\"end\":32,\"name\":\"REVERT\"},"
"{\"begin\":5,\"end\":7,\"name\":\"tag\",\"value\":\"1\"},"
"{\"begin\":5,\"end\":7,\"name\":\"JUMPDEST\"},"
"{\"begin\":0,\"end\":14,\"name\":\"POP\"},"
"{\"begin\":0,\"end\":14,\"name\":\"PUSH #[$]\",\"value\":\"0000000000000000000000000000000000000000000000000000000000000000\"},"
"{\"begin\":0,\"end\":14,\"name\":\"DUP1\"},"
"{\"begin\":0,\"end\":14,\"name\":\"PUSH [$]\",\"value\":\"0000000000000000000000000000000000000000000000000000000000000000\"},"
"{\"begin\":0,\"end\":14,\"name\":\"PUSH\",\"value\":\"0\"},"
"{\"begin\":0,\"end\":14,\"name\":\"CODECOPY\"},"
"{\"begin\":0,\"end\":14,\"name\":\"PUSH\",\"value\":\"0\"},"
"{\"begin\":0,\"end\":14,\"name\":\"RETURN\"}]"
);
BOOST_CHECK(contract["metadata"].isString());
BOOST_CHECK(dev::test::isValidMetadata(contract["metadata"].asString()));
BOOST_CHECK(result["sources"].isObject());
BOOST_CHECK(result["sources"]["fileA"].isObject());
BOOST_CHECK(result["sources"]["fileA"]["legacyAST"].isObject());
BOOST_CHECK_EQUAL(
dev::jsonCompactPrint(result["sources"]["fileA"]["legacyAST"]),
"{\"attributes\":{\"absolutePath\":\"fileA\",\"exportedSymbols\":{\"A\":[1]}},\"children\":"
"[{\"attributes\":{\"baseContracts\":[null],\"contractDependencies\":[null],\"contractKind\":\"contract\","
"\"documentation\":null,\"fullyImplemented\":true,\"linearizedBaseContracts\":[1],\"name\":\"A\",\"nodes\":[null],\"scope\":2},"
"\"id\":1,\"name\":\"ContractDefinition\",\"src\":\"0:14:0\"}],\"id\":2,\"name\":\"SourceUnit\",\"src\":\"0:14:0\"}"
);
}
BOOST_AUTO_TEST_CASE(compilation_error)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": {
"A": [
"abi"
]
}
}
},
"sources": {
"fileA": {
"content": "contract A { function }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(result.isMember("errors"));
BOOST_CHECK(result["errors"].size() >= 1);
for (auto const& error: result["errors"])
{
BOOST_REQUIRE(error.isObject());
BOOST_REQUIRE(error["message"].isString());
if (error["message"].asString().find("pre-release compiler") == string::npos)
{
BOOST_CHECK_EQUAL(
dev::jsonCompactPrint(error),
"{\"component\":\"general\",\"formattedMessage\":\"fileA:1:23: ParserError: Expected identifier but got '}'\\n"
"contract A { function }\\n ^\\n\",\"message\":\"Expected identifier but got '}'\","
"\"severity\":\"error\",\"sourceLocation\":{\"end\":23,\"file\":\"fileA\",\"start\":22},\"type\":\"ParserError\"}"
);
}
}
}
BOOST_AUTO_TEST_CASE(output_selection_explicit)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": {
"A": [
"abi"
]
}
}
},
"sources": {
"fileA": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["abi"].isArray());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["abi"]), "[]");
}
BOOST_AUTO_TEST_CASE(output_selection_all_contracts)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": {
"*": [
"abi"
]
}
}
},
"sources": {
"fileA": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["abi"].isArray());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["abi"]), "[]");
}
BOOST_AUTO_TEST_CASE(output_selection_all_files_single_contract)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"*": {
"A": [
"abi"
]
}
}
},
"sources": {
"fileA": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["abi"].isArray());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["abi"]), "[]");
}
BOOST_AUTO_TEST_CASE(output_selection_all_files_all_contracts)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"*": {
"*": [
"abi"
]
}
}
},
"sources": {
"fileA": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["abi"].isArray());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["abi"]), "[]");
}
BOOST_AUTO_TEST_CASE(output_selection_dependent_contract)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"*": {
"A": [
"abi"
]
}
}
},
"sources": {
"fileA": {
"content": "contract B { } contract A { function f() public { new B(); } }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["abi"].isArray());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["abi"]), "[{\"constant\":false,\"inputs\":[],\"name\":\"f\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]");
}
BOOST_AUTO_TEST_CASE(output_selection_dependent_contract_with_import)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"*": {
"A": [
"abi"
]
}
}
},
"sources": {
"fileA": {
"content": "import \"fileB\"; contract A { function f() public { new B(); } }"
},
"fileB": {
"content": "contract B { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["abi"].isArray());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["abi"]), "[{\"constant\":false,\"inputs\":[],\"name\":\"f\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]");
}
BOOST_AUTO_TEST_CASE(filename_with_colon)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"http://github.com/ethereum/solidity/std/StandardToken.sol": {
"A": [
"abi"
]
}
}
},
"sources": {
"http://github.com/ethereum/solidity/std/StandardToken.sol": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "http://github.com/ethereum/solidity/std/StandardToken.sol", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["abi"].isArray());
BOOST_CHECK_EQUAL(dev::jsonCompactPrint(contract["abi"]), "[]");
}
BOOST_AUTO_TEST_CASE(library_filename_with_colon)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": {
"A": [
"evm.bytecode"
]
}
}
},
"sources": {
"fileA": {
"content": "import \"git:library.sol\"; contract A { function f() public returns (uint) { return L.g(); } }"
},
"git:library.sol": {
"content": "library L { function g() public returns (uint) { return 1; } }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["evm"]["bytecode"].isObject());
BOOST_CHECK(contract["evm"]["bytecode"]["linkReferences"].isObject());
BOOST_CHECK(contract["evm"]["bytecode"]["linkReferences"]["git:library.sol"].isObject());
BOOST_CHECK(contract["evm"]["bytecode"]["linkReferences"]["git:library.sol"]["L"].isArray());
BOOST_CHECK(contract["evm"]["bytecode"]["linkReferences"]["git:library.sol"]["L"][0].isObject());
}
BOOST_AUTO_TEST_CASE(libraries_invalid_top_level)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"libraries": "42"
},
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "\"libraries\" is not a JSON object."));
}
BOOST_AUTO_TEST_CASE(libraries_invalid_entry)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"libraries": {
"L": "42"
}
},
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "Library entry is not a JSON object."));
}
BOOST_AUTO_TEST_CASE(libraries_invalid_hex)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"libraries": {
"library.sol": {
"L": "0x4200000000000000000000000000000000000xx1"
}
}
},
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "Invalid library address (\"0x4200000000000000000000000000000000000xx1\") supplied."));
}
BOOST_AUTO_TEST_CASE(libraries_invalid_length)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"libraries": {
"library.sol": {
"L1": "0x42",
"L2": "0x4200000000000000000000000000000000000001ff"
}
}
},
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "Library address is of invalid length."));
}
BOOST_AUTO_TEST_CASE(libraries_missing_hex_prefix)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"libraries": {
"library.sol": {
"L": "4200000000000000000000000000000000000001"
}
}
},
"sources": {
"empty": {
"content": ""
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsError(result, "JSONError", "Library address is not prefixed with \"0x\"."));
}
BOOST_AUTO_TEST_CASE(library_linking)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"libraries": {
"library.sol": {
"L": "0x4200000000000000000000000000000000000001"
}
},
"outputSelection": {
"fileA": {
"A": [
"evm.bytecode"
]
}
}
},
"sources": {
"fileA": {
"content": "import \"library.sol\"; import \"library2.sol\"; contract A { function f() public returns (uint) { L2.g(); return L.g(); } }"
},
"library.sol": {
"content": "library L { function g() public returns (uint) { return 1; } }"
},
"library2.sol": {
"content": "library L2 { function g() public { } }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["evm"]["bytecode"].isObject());
BOOST_CHECK(contract["evm"]["bytecode"]["linkReferences"].isObject());
BOOST_CHECK(!contract["evm"]["bytecode"]["linkReferences"]["library.sol"].isObject());
BOOST_CHECK(contract["evm"]["bytecode"]["linkReferences"]["library2.sol"].isObject());
BOOST_CHECK(contract["evm"]["bytecode"]["linkReferences"]["library2.sol"]["L2"].isArray());
BOOST_CHECK(contract["evm"]["bytecode"]["linkReferences"]["library2.sol"]["L2"][0].isObject());
}
BOOST_AUTO_TEST_CASE(evm_version)
{
auto inputForVersion = [](string const& _version)
{
return R"(
{
"language": "Solidity",
"sources": { "fileA": { "content": "contract A { }" } },
"settings": {
)" + _version + R"(
"outputSelection": {
"fileA": {
"A": [ "metadata" ]
}
}
}
}
)";
};
Json::Value result;
result = compile(inputForVersion("\"evmVersion\": \"homestead\","));
BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"homestead\"") != string::npos);
result = compile(inputForVersion("\"evmVersion\": \"tangerineWhistle\","));
BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"tangerineWhistle\"") != string::npos);
result = compile(inputForVersion("\"evmVersion\": \"spuriousDragon\","));
BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"spuriousDragon\"") != string::npos);
result = compile(inputForVersion("\"evmVersion\": \"byzantium\","));
BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"byzantium\"") != string::npos);
result = compile(inputForVersion("\"evmVersion\": \"constantinople\","));
BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"constantinople\"") != string::npos);
result = compile(inputForVersion("\"evmVersion\": \"petersburg\","));
BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"petersburg\"") != string::npos);
// test default
result = compile(inputForVersion(""));
BOOST_CHECK(result["contracts"]["fileA"]["A"]["metadata"].asString().find("\"evmVersion\":\"petersburg\"") != string::npos);
// test invalid
result = compile(inputForVersion("\"evmVersion\": \"invalid\","));
BOOST_CHECK(result["errors"][0]["message"].asString() == "Invalid EVM version requested.");
}
BOOST_AUTO_TEST_CASE(optimizer_settings_default_disabled)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": { "A": [ "metadata" ] }
}
},
"sources": {
"fileA": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["metadata"].isString());
Json::Value metadata;
BOOST_CHECK(jsonParseStrict(contract["metadata"].asString(), metadata));
Json::Value const& optimizer = metadata["settings"]["optimizer"];
BOOST_CHECK(optimizer.isMember("enabled"));
BOOST_CHECK(optimizer["enabled"].asBool() == false);
BOOST_CHECK(!optimizer.isMember("details"));
BOOST_CHECK(optimizer["runs"].asUInt() == 200);
}
BOOST_AUTO_TEST_CASE(optimizer_settings_default_enabled)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": { "A": [ "metadata" ] }
},
"optimizer": { "enabled": true }
},
"sources": {
"fileA": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["metadata"].isString());
Json::Value metadata;
BOOST_CHECK(jsonParseStrict(contract["metadata"].asString(), metadata));
Json::Value const& optimizer = metadata["settings"]["optimizer"];
BOOST_CHECK(optimizer.isMember("enabled"));
BOOST_CHECK(optimizer["enabled"].asBool() == true);
BOOST_CHECK(!optimizer.isMember("details"));
BOOST_CHECK(optimizer["runs"].asUInt() == 200);
}
BOOST_AUTO_TEST_CASE(optimizer_settings_details_exactly_as_default_disabled)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": { "A": [ "metadata" ] }
},
"optimizer": { "details": {
"constantOptimizer" : false,
"cse" : false,
"deduplicate" : false,
"jumpdestRemover" : true,
"orderLiterals" : false,
"peephole" : true
} }
},
"sources": {
"fileA": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["metadata"].isString());
Json::Value metadata;
BOOST_CHECK(jsonParseStrict(contract["metadata"].asString(), metadata));
Json::Value const& optimizer = metadata["settings"]["optimizer"];
BOOST_CHECK(optimizer.isMember("enabled"));
// enabled is switched to false instead!
BOOST_CHECK(optimizer["enabled"].asBool() == false);
BOOST_CHECK(!optimizer.isMember("details"));
BOOST_CHECK(optimizer["runs"].asUInt() == 200);
}
BOOST_AUTO_TEST_CASE(optimizer_settings_details_different)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": { "A": [ "metadata" ] }
},
"optimizer": { "runs": 600, "details": {
"constantOptimizer" : true,
"cse" : false,
"deduplicate" : true,
"jumpdestRemover" : true,
"orderLiterals" : false,
"peephole" : true,
"yul": true
} }
},
"sources": {
"fileA": {
"content": "contract A { }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
BOOST_CHECK(containsError(
result,
"Warning",
"The Yul optimiser is still experimental. "
"Do not use it in production unless correctness of generated code is verified with extensive tests."
));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["metadata"].isString());
Json::Value metadata;
BOOST_CHECK(jsonParseStrict(contract["metadata"].asString(), metadata));
Json::Value const& optimizer = metadata["settings"]["optimizer"];
BOOST_CHECK(!optimizer.isMember("enabled"));
BOOST_CHECK(optimizer.isMember("details"));
BOOST_CHECK(optimizer["details"]["constantOptimizer"].asBool() == true);
BOOST_CHECK(optimizer["details"]["cse"].asBool() == false);
BOOST_CHECK(optimizer["details"]["deduplicate"].asBool() == true);
BOOST_CHECK(optimizer["details"]["jumpdestRemover"].asBool() == true);
BOOST_CHECK(optimizer["details"]["orderLiterals"].asBool() == false);
BOOST_CHECK(optimizer["details"]["peephole"].asBool() == true);
BOOST_CHECK(optimizer["details"]["yul"].asBool() == true);
BOOST_CHECK(optimizer["details"]["yulDetails"].isObject());
BOOST_CHECK(optimizer["details"]["yulDetails"].getMemberNames() == vector<string>{"stackAllocation"});
BOOST_CHECK(optimizer["details"]["yulDetails"]["stackAllocation"].asBool() == true);
BOOST_CHECK_EQUAL(optimizer["details"].getMemberNames().size(), 8);
BOOST_CHECK(optimizer["runs"].asUInt() == 600);
}
BOOST_AUTO_TEST_CASE(metadata_without_compilation)
{
// NOTE: the contract code here should fail to compile due to "out of stack"
// If the metadata is successfully returned, that means no compilation was attempted.
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"fileA": { "A": [ "metadata" ] }
}
},
"sources": {
"fileA": {
"content": "contract A {
function x(uint a, uint b, uint c, uint d, uint e, uint f, uint g, uint h, uint i, uint j, uint k, uint l, uint m, uint n, uint o, uint p) pure public {}
function y() pure public {
uint a; uint b; uint c; uint d; uint e; uint f; uint g; uint h; uint i; uint j; uint k; uint l; uint m; uint n; uint o; uint p;
x(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p);
}
}"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["metadata"].isString());
BOOST_CHECK(dev::test::isValidMetadata(contract["metadata"].asString()));
}
BOOST_AUTO_TEST_CASE(common_pattern)
{
char const* input = R"(
{
"language": "Solidity",
"settings": {
"outputSelection": {
"*": {
"*": [ "evm.bytecode.object", "metadata" ]
}
}
},
"sources": {
"fileA": {
"content": "contract A { function f() pure public {} }"
}
}
}
)";
Json::Value result = compile(input);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_CHECK(contract.isObject());
BOOST_CHECK(contract["metadata"].isString());
BOOST_CHECK(dev::test::isValidMetadata(contract["metadata"].asString()));
BOOST_CHECK(contract["evm"]["bytecode"].isObject());
BOOST_CHECK(contract["evm"]["bytecode"]["object"].isString());
}
BOOST_AUTO_TEST_CASE(use_stack_optimization)
{
// NOTE: the contract code here should fail to compile due to "out of stack"
// If we enable stack optimization, though, it will compile.
char const* input = R"(
{
"language": "Solidity",
"settings": {
"optimizer": { "enabled": true, "details": { "yul": true } },
"outputSelection": {
"fileA": { "A": [ "evm.bytecode.object" ] }
}
},
"sources": {
"fileA": {
"content": "contract A {
function y() public {
assembly {
function fun() -> a3, b3, c3, d3, e3, f3, g3, h3, i3, j3, k3, l3, m3, n3, o3, p3
{
let a := 1
let b := 1
let z3 := 1
sstore(a, b)
sstore(add(a, 1), b)
sstore(add(a, 2), b)
sstore(add(a, 3), b)
sstore(add(a, 4), b)
sstore(add(a, 5), b)
sstore(add(a, 6), b)
sstore(add(a, 7), b)
sstore(add(a, 8), b)
sstore(add(a, 9), b)
sstore(add(a, 10), b)
sstore(add(a, 11), b)
sstore(add(a, 12), b)
}
let a1, b1, c1, d1, e1, f1, g1, h1, i1, j1, k1, l1, m1, n1, o1, p1 := fun()
let a2, b2, c2, d2, e2, f2, g2, h2, i2, j2, k2, l2, m2, n2, o2, p2 := fun()
sstore(a1, a2)
}
}
}"
}
}
}
)";
Json::Value parsedInput;
BOOST_REQUIRE(jsonParseStrict(input, parsedInput));
dev::solidity::StandardCompiler compiler;
Json::Value result = compiler.compile(parsedInput);
BOOST_CHECK(containsAtMostWarnings(result));
Json::Value contract = getContractResult(result, "fileA", "A");
BOOST_REQUIRE(contract.isObject());
BOOST_REQUIRE(contract["evm"]["bytecode"]["object"].isString());
BOOST_CHECK(contract["evm"]["bytecode"]["object"].asString().length() > 20);
// Now disable stack optimizations
// results in "stack too deep"
parsedInput["settings"]["optimizer"]["details"]["yulDetails"]["stackAllocation"] = false;
result = compiler.compile(parsedInput);
BOOST_REQUIRE(result["errors"].isArray());
BOOST_CHECK(result["errors"][0]["severity"] == "error");
BOOST_CHECK(result["errors"][0]["type"] == "InternalCompilerError");
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces
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