mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
575 lines
18 KiB
C++
575 lines
18 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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* @date 2017
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* Unit tests for the metadata output.
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*/
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#include <test/Metadata.h>
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#include <test/Common.h>
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#include <libsolidity/interface/CompilerStack.h>
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#include <libsolidity/interface/Version.h>
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#include <libsolutil/SwarmHash.h>
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#include <libsolutil/IpfsHash.h>
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#include <libsolutil/JSON.h>
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#include <boost/test/unit_test.hpp>
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using namespace std;
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namespace solidity::frontend::test
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{
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namespace
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{
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map<string, string> requireParsedCBORMetadata(bytes const& _bytecode, CompilerStack::MetadataFormat _metadataFormat)
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{
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bytes cborMetadata = solidity::test::onlyMetadata(_bytecode);
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if (_metadataFormat != CompilerStack::MetadataFormat::NoMetadata)
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{
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BOOST_REQUIRE(!cborMetadata.empty());
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std::optional<map<string, string>> tmp = solidity::test::parseCBORMetadata(cborMetadata);
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BOOST_REQUIRE(tmp);
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return *tmp;
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}
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BOOST_REQUIRE(cborMetadata.empty());
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return {};
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}
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optional<string> compileAndCheckLicenseMetadata(string const& _contractName, char const* _sourceCode)
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{
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CompilerStack compilerStack;
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compilerStack.setSources({{"A.sol", std::string(_sourceCode)}});
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BOOST_REQUIRE_MESSAGE(compilerStack.compile(), "Compiling contract failed");
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std::string const& serialisedMetadata = compilerStack.metadata(_contractName);
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Json::Value metadata;
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BOOST_REQUIRE(util::jsonParseStrict(serialisedMetadata, metadata));
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BOOST_CHECK(solidity::test::isValidMetadata(metadata));
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BOOST_CHECK_EQUAL(metadata["sources"].size(), 1);
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BOOST_REQUIRE(metadata["sources"].isMember("A.sol"));
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if (metadata["sources"]["A.sol"].isMember("license"))
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{
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BOOST_REQUIRE(metadata["sources"]["A.sol"]["license"].isString());
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return metadata["sources"]["A.sol"]["license"].asString();
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}
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else
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return nullopt;
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}
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}
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BOOST_AUTO_TEST_SUITE(Metadata)
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BOOST_AUTO_TEST_CASE(metadata_stamp)
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{
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// Check that the metadata stamp is at the end of the runtime bytecode.
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char const* sourceCode = R"(
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pragma solidity >=0.0;
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pragma experimental __testOnlyAnalysis;
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contract test {
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function g(function(uint) external returns (uint) x) public {}
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}
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)";
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for (auto metadataFormat: std::set<CompilerStack::MetadataFormat>{
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CompilerStack::MetadataFormat::NoMetadata,
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CompilerStack::MetadataFormat::WithReleaseVersionTag,
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CompilerStack::MetadataFormat::WithPrereleaseVersionTag
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})
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for (auto metadataHash: set<CompilerStack::MetadataHash>{
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CompilerStack::MetadataHash::IPFS,
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CompilerStack::MetadataHash::Bzzr1,
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CompilerStack::MetadataHash::None
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})
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{
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CompilerStack compilerStack;
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compilerStack.setMetadataFormat(metadataFormat);
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compilerStack.setSources({{"", std::string(sourceCode)}});
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compilerStack.setEVMVersion(solidity::test::CommonOptions::get().evmVersion());
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compilerStack.setOptimiserSettings(solidity::test::CommonOptions::get().optimize);
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compilerStack.setMetadataHash(metadataHash);
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BOOST_REQUIRE_MESSAGE(compilerStack.compile(), "Compiling contract failed");
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bytes const& bytecode = compilerStack.runtimeObject("test").bytecode;
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std::string const& metadata = compilerStack.metadata("test");
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BOOST_CHECK(solidity::test::isValidMetadata(metadata));
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auto const cborMetadata = requireParsedCBORMetadata(bytecode, metadataFormat);
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if (metadataHash == CompilerStack::MetadataHash::None)
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BOOST_CHECK(cborMetadata.size() == (metadataFormat == CompilerStack::MetadataFormat::NoMetadata ? 0 : 1));
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else
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{
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bytes hash;
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string hashMethod;
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if (metadataHash == CompilerStack::MetadataHash::IPFS)
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{
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hash = util::ipfsHash(metadata);
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BOOST_REQUIRE(hash.size() == 34);
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hashMethod = "ipfs";
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}
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else
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{
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hash = util::bzzr1Hash(metadata).asBytes();
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BOOST_REQUIRE(hash.size() == 32);
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hashMethod = "bzzr1";
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}
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if (metadataFormat != CompilerStack::MetadataFormat::NoMetadata)
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{
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BOOST_CHECK(cborMetadata.size() == 2);
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BOOST_CHECK(cborMetadata.count(hashMethod) == 1);
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BOOST_CHECK(cborMetadata.at(hashMethod) == util::toHex(hash));
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}
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}
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if (metadataFormat == CompilerStack::MetadataFormat::NoMetadata)
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BOOST_CHECK(cborMetadata.count("solc") == 0);
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else
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{
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BOOST_CHECK(cborMetadata.count("solc") == 1);
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if (metadataFormat == CompilerStack::MetadataFormat::WithReleaseVersionTag)
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BOOST_CHECK(cborMetadata.at("solc") == util::toHex(VersionCompactBytes));
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else
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BOOST_CHECK(cborMetadata.at("solc") == VersionStringStrict);
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}
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}
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}
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BOOST_AUTO_TEST_CASE(metadata_stamp_experimental)
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{
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// Check that the metadata stamp is at the end of the runtime bytecode.
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char const* sourceCode = R"(
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pragma solidity >=0.0;
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pragma experimental __test;
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contract test {
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function g(function(uint) external returns (uint) x) public {}
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}
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)";
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for (auto metadataFormat: std::set<CompilerStack::MetadataFormat>{
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CompilerStack::MetadataFormat::NoMetadata,
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CompilerStack::MetadataFormat::WithReleaseVersionTag,
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CompilerStack::MetadataFormat::WithPrereleaseVersionTag
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})
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for (auto metadataHash: set<CompilerStack::MetadataHash>{
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CompilerStack::MetadataHash::IPFS,
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CompilerStack::MetadataHash::Bzzr1,
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CompilerStack::MetadataHash::None
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})
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{
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CompilerStack compilerStack;
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compilerStack.setMetadataFormat(metadataFormat);
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compilerStack.setSources({{"", std::string(sourceCode)}});
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compilerStack.setEVMVersion(solidity::test::CommonOptions::get().evmVersion());
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compilerStack.setOptimiserSettings(solidity::test::CommonOptions::get().optimize);
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compilerStack.setMetadataHash(metadataHash);
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BOOST_REQUIRE_MESSAGE(compilerStack.compile(), "Compiling contract failed");
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bytes const& bytecode = compilerStack.runtimeObject("test").bytecode;
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std::string const& metadata = compilerStack.metadata("test");
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BOOST_CHECK(solidity::test::isValidMetadata(metadata));
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auto const cborMetadata = requireParsedCBORMetadata(bytecode, metadataFormat);
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if (metadataHash == CompilerStack::MetadataHash::None)
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BOOST_CHECK(cborMetadata.size() == (metadataFormat == CompilerStack::MetadataFormat::NoMetadata ? 0 : 2));
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else
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{
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bytes hash;
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string hashMethod;
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if (metadataHash == CompilerStack::MetadataHash::IPFS)
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{
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hash = util::ipfsHash(metadata);
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BOOST_REQUIRE(hash.size() == 34);
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hashMethod = "ipfs";
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}
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else
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{
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hash = util::bzzr1Hash(metadata).asBytes();
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BOOST_REQUIRE(hash.size() == 32);
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hashMethod = "bzzr1";
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}
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if (metadataFormat != CompilerStack::MetadataFormat::NoMetadata)
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{
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BOOST_CHECK(cborMetadata.size() == 3);
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BOOST_CHECK(cborMetadata.count(hashMethod) == 1);
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BOOST_CHECK(cborMetadata.at(hashMethod) == util::toHex(hash));
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}
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}
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if (metadataFormat == CompilerStack::MetadataFormat::NoMetadata)
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BOOST_CHECK(cborMetadata.count("solc") == 0);
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else
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{
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BOOST_CHECK(cborMetadata.count("solc") == 1);
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if (metadataFormat == CompilerStack::MetadataFormat::WithReleaseVersionTag)
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BOOST_CHECK(cborMetadata.at("solc") == util::toHex(VersionCompactBytes));
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else
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BOOST_CHECK(cborMetadata.at("solc") == VersionStringStrict);
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BOOST_CHECK(cborMetadata.count("experimental") == 1);
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BOOST_CHECK(cborMetadata.at("experimental") == "true");
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}
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}
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}
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BOOST_AUTO_TEST_CASE(metadata_relevant_sources)
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{
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CompilerStack compilerStack;
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char const* sourceCodeA = R"(
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pragma solidity >=0.0;
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contract A {
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function g(function(uint) external returns (uint) x) public {}
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}
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)";
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char const* sourceCodeB = R"(
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pragma solidity >=0.0;
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contract B {
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function g(function(uint) external returns (uint) x) public {}
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}
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)";
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compilerStack.setSources({
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{"A", std::string(sourceCodeA)},
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{"B", std::string(sourceCodeB)},
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});
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compilerStack.setEVMVersion(solidity::test::CommonOptions::get().evmVersion());
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compilerStack.setOptimiserSettings(solidity::test::CommonOptions::get().optimize);
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BOOST_REQUIRE_MESSAGE(compilerStack.compile(), "Compiling contract failed");
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std::string const& serialisedMetadata = compilerStack.metadata("A");
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Json::Value metadata;
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BOOST_REQUIRE(util::jsonParseStrict(serialisedMetadata, metadata));
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BOOST_CHECK(solidity::test::isValidMetadata(metadata));
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BOOST_CHECK_EQUAL(metadata["sources"].size(), 1);
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BOOST_CHECK(metadata["sources"].isMember("A"));
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}
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BOOST_AUTO_TEST_CASE(metadata_relevant_sources_imports)
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{
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CompilerStack compilerStack;
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char const* sourceCodeA = R"(
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pragma solidity >=0.0;
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contract A {
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function g(function(uint) external returns (uint) x) public virtual {}
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}
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)";
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char const* sourceCodeB = R"(
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pragma solidity >=0.0;
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import "./A";
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contract B is A {
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function g(function(uint) external returns (uint) x) public virtual override {}
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}
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)";
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char const* sourceCodeC = R"(
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pragma solidity >=0.0;
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import "./B";
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contract C is B {
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function g(function(uint) external returns (uint) x) public override {}
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}
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)";
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compilerStack.setSources({
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{"A", std::string(sourceCodeA)},
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{"B", std::string(sourceCodeB)},
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{"C", std::string(sourceCodeC)}
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});
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compilerStack.setEVMVersion(solidity::test::CommonOptions::get().evmVersion());
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compilerStack.setOptimiserSettings(solidity::test::CommonOptions::get().optimize);
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BOOST_REQUIRE_MESSAGE(compilerStack.compile(), "Compiling contract failed");
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std::string const& serialisedMetadata = compilerStack.metadata("C");
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Json::Value metadata;
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BOOST_REQUIRE(util::jsonParseStrict(serialisedMetadata, metadata));
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BOOST_CHECK(solidity::test::isValidMetadata(metadata));
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BOOST_CHECK_EQUAL(metadata["sources"].size(), 3);
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BOOST_CHECK(metadata["sources"].isMember("A"));
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BOOST_CHECK(metadata["sources"].isMember("B"));
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BOOST_CHECK(metadata["sources"].isMember("C"));
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}
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BOOST_AUTO_TEST_CASE(metadata_useLiteralContent)
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{
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// Check that the metadata contains "useLiteralContent"
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char const* sourceCode = R"(
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pragma solidity >=0.0;
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contract test {
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}
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)";
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auto check = [](char const* _src, bool _literal)
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{
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CompilerStack compilerStack;
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compilerStack.setSources({{"", std::string(_src)}});
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compilerStack.setEVMVersion(solidity::test::CommonOptions::get().evmVersion());
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compilerStack.setOptimiserSettings(solidity::test::CommonOptions::get().optimize);
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compilerStack.useMetadataLiteralSources(_literal);
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BOOST_REQUIRE_MESSAGE(compilerStack.compile(), "Compiling contract failed");
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string metadata_str = compilerStack.metadata("test");
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Json::Value metadata;
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BOOST_REQUIRE(util::jsonParseStrict(metadata_str, metadata));
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BOOST_CHECK(solidity::test::isValidMetadata(metadata));
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BOOST_CHECK(metadata.isMember("settings"));
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BOOST_CHECK(metadata["settings"].isMember("metadata"));
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BOOST_CHECK(metadata["settings"]["metadata"].isMember("bytecodeHash"));
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if (_literal)
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{
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BOOST_CHECK(metadata["settings"]["metadata"].isMember("useLiteralContent"));
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BOOST_CHECK(metadata["settings"]["metadata"]["useLiteralContent"].asBool());
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}
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};
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check(sourceCode, true);
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check(sourceCode, false);
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}
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BOOST_AUTO_TEST_CASE(metadata_viair)
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{
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char const* sourceCode = R"(
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pragma solidity >=0.0;
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contract test {
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}
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)";
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auto check = [](char const* _src, bool _viaIR)
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{
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CompilerStack compilerStack;
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compilerStack.setSources({{"", std::string(_src)}});
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compilerStack.setEVMVersion(solidity::test::CommonOptions::get().evmVersion());
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compilerStack.setOptimiserSettings(solidity::test::CommonOptions::get().optimize);
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compilerStack.setViaIR(_viaIR);
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BOOST_REQUIRE_MESSAGE(compilerStack.compile(), "Compiling contract failed");
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Json::Value metadata;
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BOOST_REQUIRE(util::jsonParseStrict(compilerStack.metadata("test"), metadata));
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BOOST_CHECK(solidity::test::isValidMetadata(metadata));
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BOOST_CHECK(metadata.isMember("settings"));
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if (_viaIR)
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{
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BOOST_CHECK(metadata["settings"].isMember("viaIR"));
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BOOST_CHECK(metadata["settings"]["viaIR"].asBool());
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}
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else
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BOOST_CHECK(!metadata["settings"].isMember("viaIR"));
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BOOST_CHECK(compilerStack.cborMetadata("test") == compilerStack.cborMetadata("test", _viaIR));
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BOOST_CHECK(compilerStack.cborMetadata("test") != compilerStack.cborMetadata("test", !_viaIR));
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map<string, string> const parsedCBORMetadata = requireParsedCBORMetadata(
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compilerStack.runtimeObject("test").bytecode,
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CompilerStack::MetadataFormat::WithReleaseVersionTag
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);
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BOOST_CHECK(parsedCBORMetadata.count("experimental") == 0);
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};
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check(sourceCode, true);
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check(sourceCode, false);
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}
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BOOST_AUTO_TEST_CASE(metadata_revert_strings)
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{
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CompilerStack compilerStack;
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char const* sourceCodeA = R"(
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pragma solidity >=0.0;
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contract A {
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}
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)";
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compilerStack.setSources({{"A", std::string(sourceCodeA)}});
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compilerStack.setRevertStringBehaviour(RevertStrings::Strip);
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BOOST_REQUIRE_MESSAGE(compilerStack.compile(), "Compiling contract failed");
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std::string const& serialisedMetadata = compilerStack.metadata("A");
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Json::Value metadata;
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BOOST_REQUIRE(util::jsonParseStrict(serialisedMetadata, metadata));
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BOOST_CHECK(solidity::test::isValidMetadata(metadata));
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BOOST_CHECK_EQUAL(metadata["settings"]["debug"]["revertStrings"], "strip");
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}
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BOOST_AUTO_TEST_CASE(metadata_license_missing)
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{
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char const* sourceCode = R"(
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pragma solidity >=0.0;
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contract C {
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}
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)";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == nullopt);
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}
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BOOST_AUTO_TEST_CASE(metadata_license_gpl3)
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{
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// Can't use a raw string here due to the stylechecker.
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char const* sourceCode =
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"// NOTE: we also add trailing whitespace after the license, to see it is trimmed.\n"
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"// SPDX-License-Identifier: GPL-3.0 \n"
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"pragma solidity >=0.0;\n"
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"contract C {\n"
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"}\n";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
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}
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BOOST_AUTO_TEST_CASE(metadata_license_whitespace_before_spdx)
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{
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char const* sourceCode = R"(
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// SPDX-License-Identifier: GPL-3.0
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contract C {}
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)";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
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}
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BOOST_AUTO_TEST_CASE(metadata_license_whitespace_after_colon)
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{
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char const* sourceCode = R"(
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// SPDX-License-Identifier: GPL-3.0
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contract C {}
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)";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
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}
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BOOST_AUTO_TEST_CASE(metadata_license_gpl3_or_apache2)
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{
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char const* sourceCode = R"(
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// SPDX-License-Identifier: GPL-3.0 OR Apache-2.0
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pragma solidity >=0.0;
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contract C {
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}
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)";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0 OR Apache-2.0");
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}
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BOOST_AUTO_TEST_CASE(metadata_license_bidi_marks)
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{
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char const* sourceCode =
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"// \xE2\x80\xAE""0.3-LPG :reifitnedI-esneciL-XDPS\xE2\x80\xAC\n"
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"// NOTE: The text above is reversed using Unicode directional marks. In raw form it would look like this:\n"
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"// <LRO>0.3-LPG :reifitnedI-esneciL-XDPS<PDF>\n"
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"contract C {}\n";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == nullopt);
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}
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BOOST_AUTO_TEST_CASE(metadata_license_bottom)
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{
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char const* sourceCode = R"(
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contract C {}
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// SPDX-License-Identifier: GPL-3.0
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)";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
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}
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BOOST_AUTO_TEST_CASE(metadata_cr_endings)
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{
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char const* sourceCode =
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"// SPDX-License-Identifier: GPL-3.0\r"
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"contract C {}\r";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
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}
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BOOST_AUTO_TEST_CASE(metadata_crlf_endings)
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{
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char const* sourceCode =
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"// SPDX-License-Identifier: GPL-3.0\r\n"
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"contract C {}\r\n";
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BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
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}
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BOOST_AUTO_TEST_CASE(metadata_license_in_string)
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{
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char const* sourceCode = R"(
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contract C {
|
|
bytes license = "// SPDX-License-Identifier: GPL-3.0";
|
|
}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == nullopt);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(metadata_license_in_contract)
|
|
{
|
|
char const* sourceCode = R"(
|
|
contract C {
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == nullopt);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(metadata_license_missing_colon)
|
|
{
|
|
char const* sourceCode = R"(
|
|
// SPDX-License-Identifier GPL-3.0
|
|
contract C {}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == nullopt);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(metadata_license_multiline)
|
|
{
|
|
char const* sourceCode = R"(
|
|
/* SPDX-License-Identifier: GPL-3.0 */
|
|
contract C {}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(metadata_license_natspec)
|
|
{
|
|
char const* sourceCode = R"(
|
|
/// SPDX-License-Identifier: GPL-3.0
|
|
contract C {}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(metadata_license_natspec_multiline)
|
|
{
|
|
char const* sourceCode = R"(
|
|
/** SPDX-License-Identifier: GPL-3.0 */
|
|
contract C {}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(metadata_license_no_whitespace_multiline)
|
|
{
|
|
char const* sourceCode = R"(
|
|
/*SPDX-License-Identifier:GPL-3.0*/
|
|
contract C {}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(metadata_license_nonempty_line)
|
|
{
|
|
char const* sourceCode = R"(
|
|
pragma solidity >= 0.0; // SPDX-License-Identifier: GPL-3.0
|
|
contract C {}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(metadata_license_no_whitespace)
|
|
{
|
|
char const* sourceCode = R"(
|
|
//SPDX-License-Identifier:GPL-3.0
|
|
contract C {}
|
|
)";
|
|
BOOST_CHECK(compileAndCheckLicenseMetadata("C", sourceCode) == "GPL-3.0");
|
|
}
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|
|
|
|
}
|