Method checkHashCollisions

libsolidity/analysis/ContractLevelChecker.cpp:503–517

}

void ContractLevelChecker::checkHashCollisions(ContractDefinition const& _contract)
{
	std::set<util::FixedHash<4>> hashes;
	for (auto const& it: _contract.interfaceFunctionList())
	{
		util::FixedHash<4> const& hash = it.first;
		if (hashes.count(hash))
			m_errorReporter.fatalTypeError(
				1860_error,
				_contract.location(),
				std::string("Function signature hash collision for ") + it.second->externalSignature()
			);
		hashes.insert(hash);
	}
}

void ContractLevelChecker::checkLibraryRequirements(ContractDefinition const& _contract)
{