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ABI encoder fixes and test.

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This commit is contained in:
chriseth 2017-09-27 15:56:17 +02:00
parent 3f783c8dad
commit 2940964044
2 changed files with 61 additions and 5 deletions
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7
libsolidity/codegen/ABIFunctions.cpp
View File

@ -538,7 +538,7 @@ string ABIFunctions::abiEncodingFunctionSimpleArray(
mstore(pos, sub(tail, headStart))
tail := <encodeToMemoryFun>(<arrayElementAccess>, tail)
srcPtr := <nextArrayElement>(srcPtr)
pos := add(pos, <elementEncodedSize>)
pos := add(pos, 0x20)
}
pos := tail
<assignEnd>
@ -832,7 +832,7 @@ string ABIFunctions::abiEncodingFunctionStruct(
}
memberTempl("encodingOffset", toCompactHexWithPrefix(encodingOffset));
encodingOffset += dynamicMember ? 0x20 : memberTypeTo->calldataEncodedSize();
memberTempl("abiEncode", abiEncodingFunction(*memberTypeFrom, *memberTypeTo, _encodeAsLibraryTypes, false));
memberTempl("abiEncode", abiEncodingFunction(*memberTypeFrom, *memberTypeTo, _encodeAsLibraryTypes, true));
members.push_back({});
members.back()["encode"] = memberTempl.render();
@ -1190,10 +1190,7 @@ size_t ABIFunctions::headSize(TypePointers const& _targetTypes)
if (t->isDynamicallyEncoded())
headSize += 0x20;
else
{
solAssert(t->calldataEncodedSize() > 0, "");
headSize += t->calldataEncodedSize();
}
}
return headSize;

59
test/libsolidity/ABIEncoderTests.cpp
View File

@ -462,6 +462,65 @@ BOOST_AUTO_TEST_CASE(structs)
)
}
BOOST_AUTO_TEST_CASE(structs2)
{
string sourceCode = R"(
contract C {
enum E {A, B, C}
struct T { uint x; E e; uint8 y; }
struct S { C c; T[] t;}
function f() public returns (uint a, S[2] s1, S[] s2, uint b) {
a = 7;
b = 8;
s1[0].c = this;
s1[0].t = new T[](1);
s1[0].t[0].x = 0x11;
s1[0].t[0].e = E.B;
s1[0].t[0].y = 0x12;
s2 = new S[](2);
s2[1].c = C(0x1234);
s2[1].t = new T[](3);
s2[1].t[1].x = 0x21;
s2[1].t[1].e = E.C;
s2[1].t[1].y = 0x22;
}
}
)";
NEW_ENCODER(
compileAndRun(sourceCode, 0, "C");
ABI_CHECK(callContractFunction("f()"), encodeArgs(
7, 0x80, 0x1e0, 8,
// S[2] s1
0x40,
0x100,
// S s1[0]
u256(u160(m_contractAddress)),
0x40,
// T s1[0].t
1, // length
// s1[0].t[0]
0x11, 1, 0x12,
// S s1[1]
0, 0x40,
// T s1[1].t
0,
// S[] s2 (0x1e0)
2, // length
0x40, 0xa0,
// S s2[0]
0, 0x40, 0,
// S s2[1]
0x1234, 0x40,
// s2[1].t
3, // length
0, 0, 0,
0x21, 2, 0x22,
0, 0, 0
));
)
}
BOOST_AUTO_TEST_SUITE_END()
}