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Prevent encoding of weird types and support packed encoding of external function types.

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This commit is contained in:
chriseth
2018-03-29 09:57:11 +01:00
committed by Alex Beregszaszi
parent c2ae33f806
commit 5c8a6aac69
11 changed files with 110 additions and 4 deletions
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test/libsolidity/SolidityEndToEndTest.cpp
+25
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@@ -2077,6 +2077,31 @@ BOOST_AUTO_TEST_CASE(packed_keccak256)
testContractAgainstCpp("a(bytes32)", f, u256(-1));
}
BOOST_AUTO_TEST_CASE(packed_keccak256_complex_types)
{
char const* sourceCode = R"(
contract test {
uint120[3] x;
function f() view returns (bytes32 hash1, bytes32 hash2, bytes32 hash3) {
uint120[] memory y = new uint120[](3);
x[0] = y[0] = uint120(-2);
x[1] = y[1] = uint120(-3);
x[2] = y[2] = uint120(-4);
hash1 = keccak256(x);
hash2 = keccak256(y);
hash3 = keccak256(this.f);
}
}
)";
compileAndRun(sourceCode);
// Strangely, arrays are encoded with intra-element padding.
ABI_CHECK(callContractFunction("f()"), encodeArgs(
dev::keccak256(encodeArgs(u256("0xfffffffffffffffffffffffffffffe"), u256("0xfffffffffffffffffffffffffffffd"), u256("0xfffffffffffffffffffffffffffffc"))),
dev::keccak256(encodeArgs(u256("0xfffffffffffffffffffffffffffffe"), u256("0xfffffffffffffffffffffffffffffd"), u256("0xfffffffffffffffffffffffffffffc"))),
dev::keccak256(fromHex(m_contractAddress.hex() + "26121ff0"))
));
}
BOOST_AUTO_TEST_CASE(packed_sha256)
{
char const* sourceCode = R"(