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authorchriseth <c@ethdev.com>2015-10-07 04:55:38 +0800
committerchriseth <c@ethdev.com>2015-10-07 04:55:45 +0800
commit0297a213feeec8b27dcfc107b29228676489f21b (patch)
treeeb477976affbb46e7b40cb296aa297acea85fba6
parentd35a4b849da427629334665cc1bb931a259adac9 (diff)
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Reject ether sent to library.
-rw-r--r--libsolidity/Compiler.cpp3
-rw-r--r--test/libsolidity/SolidityEndToEndTest.cpp23
2 files changed, 26 insertions, 0 deletions
diff --git a/libsolidity/Compiler.cpp b/libsolidity/Compiler.cpp
index 6fb09def..7ce2121e 100644
--- a/libsolidity/Compiler.cpp
+++ b/libsolidity/Compiler.cpp
@@ -260,6 +260,9 @@ void Compiler::appendFunctionSelector(ContractDefinition const& _contract)
m_context << returnTag;
appendReturnValuePacker(FunctionType(*fallback).returnParameterTypes(), _contract.isLibrary());
}
+ else if (_contract.isLibrary())
+ // Reject invalid library calls and ether sent to a library.
+ m_context.appendJumpTo(m_context.errorTag());
else
m_context << eth::Instruction::STOP; // function not found
diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp
index a17a3be5..56061b0b 100644
--- a/test/libsolidity/SolidityEndToEndTest.cpp
+++ b/test/libsolidity/SolidityEndToEndTest.cpp
@@ -5578,6 +5578,29 @@ BOOST_AUTO_TEST_CASE(version_stamp_for_libraries)
BOOST_CHECK_EQUAL(runtimeCode[7], int(eth::Instruction::POP));
}
+BOOST_AUTO_TEST_CASE(reject_ether_sent_to_library)
+{
+ char const* sourceCode = R"(
+ library lib {}
+ contract c {
+ function f(address x) returns (bool) {
+ return x.send(1);
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "lib");
+ Address libraryAddress = m_contractAddress;
+ compileAndRun(sourceCode, 10, "c");
+ BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 10);
+ BOOST_CHECK_EQUAL(m_state.balance(libraryAddress), 0);
+ BOOST_CHECK(callContractFunction("f(address)", encodeArgs(u160(libraryAddress))) == encodeArgs(false));
+ BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 10);
+ BOOST_CHECK_EQUAL(m_state.balance(libraryAddress), 0);
+ BOOST_CHECK(callContractFunction("f(address)", encodeArgs(u160(m_contractAddress))) == encodeArgs(true));
+ BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 10);
+ BOOST_CHECK_EQUAL(m_state.balance(libraryAddress), 0);
+}
+
BOOST_AUTO_TEST_SUITE_END()
}