Merge pull request #5996 from ethereum/calldataArrays

Allow calldata arrays with dynamically encoded base type.
This commit is contained in:
chriseth 2019-03-06 19:55:57 +01:00 committed by GitHub
commit 0f7b1b31a1
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GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 474 additions and 40 deletions

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@ -1,6 +1,7 @@
### 0.6.0 (unreleased)
Language Features:
* Allow calldata arrays with dynamically encoded base types with ABIEncoderV2.
Compiler Features:

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@ -372,16 +372,6 @@ bool TypeChecker::visit(FunctionDefinition const& _function)
for (ASTPointer<VariableDeclaration> const& var: _function.parameters())
{
TypePointer baseType = type(*var);
if (auto const* arrayType = dynamic_cast<ArrayType const*>(baseType.get()))
{
baseType = arrayType->baseType();
if (
!m_scope->isInterface() &&
baseType->dataStoredIn(DataLocation::CallData) &&
baseType->isDynamicallyEncoded()
)
m_errorReporter.typeError(var->location(), "Calldata arrays with dynamically encoded base types are not yet supported.");
}
while (auto const* arrayType = dynamic_cast<ArrayType const*>(baseType.get()))
baseType = arrayType->baseType();

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@ -1354,13 +1354,10 @@ string ABIFunctions::abiDecodingFunctionArray(ArrayType const& _type, bool _from
string ABIFunctions::abiDecodingFunctionCalldataArray(ArrayType const& _type)
{
// This does not work with arrays of complex types - the array access
// is not yet implemented in Solidity.
solAssert(_type.dataStoredIn(DataLocation::CallData), "");
if (!_type.isDynamicallySized())
solAssert(_type.length() < u256("0xffffffffffffffff"), "");
if (_type.baseType()->isDynamicallyEncoded())
solUnimplemented("Calldata arrays with non-value base types are not yet supported by Solidity.");
solAssert(_type.baseType()->calldataEncodedSize() > 0, "");
solAssert(_type.baseType()->calldataEncodedSize() < u256("0xffffffffffffffff"), "");
string functionName =
@ -1376,7 +1373,7 @@ string ABIFunctions::abiDecodingFunctionCalldataArray(ArrayType const& _type)
length := calldataload(offset)
if gt(length, 0xffffffffffffffff) { revert(0, 0) }
arrayPos := add(offset, 0x20)
if gt(add(arrayPos, mul(<length>, <baseEncodedSize>)), end) { revert(0, 0) }
if gt(add(arrayPos, mul(length, <baseEncodedSize>)), end) { revert(0, 0) }
}
)";
else
@ -1391,7 +1388,8 @@ string ABIFunctions::abiDecodingFunctionCalldataArray(ArrayType const& _type)
w("functionName", functionName);
w("readableTypeName", _type.toString(true));
w("baseEncodedSize", toCompactHexWithPrefix(_type.isByteArray() ? 1 : _type.baseType()->calldataEncodedSize()));
w("length", _type.isDynamicallyEncoded() ? "length" : toCompactHexWithPrefix(_type.length()));
if (!_type.isDynamicallySized())
w("length", toCompactHexWithPrefix(_type.length()));
return w.render();
});
}

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@ -1030,7 +1030,7 @@ void ArrayUtils::retrieveLength(ArrayType const& _arrayType, unsigned _stackDept
}
}
void ArrayUtils::accessIndex(ArrayType const& _arrayType, bool _doBoundsCheck) const
void ArrayUtils::accessIndex(ArrayType const& _arrayType, bool _doBoundsCheck, bool _keepReference) const
{
/// Stack: reference [length] index
DataLocation location = _arrayType.location();
@ -1050,28 +1050,41 @@ void ArrayUtils::accessIndex(ArrayType const& _arrayType, bool _doBoundsCheck) c
m_context << Instruction::SWAP1 << Instruction::POP;
// stack: <base_ref> <index>
m_context << Instruction::SWAP1;
// stack: <index> <base_ref>
switch (location)
{
case DataLocation::Memory:
case DataLocation::CallData:
if (location == DataLocation::Memory && _arrayType.isDynamicallySized())
m_context << u256(32) << Instruction::ADD;
if (!_arrayType.isByteArray())
{
m_context << Instruction::SWAP1;
if (location == DataLocation::CallData)
m_context << _arrayType.baseType()->calldataEncodedSize();
{
if (_arrayType.baseType()->isDynamicallyEncoded())
m_context << u256(0x20);
else
m_context << _arrayType.baseType()->calldataEncodedSize();
}
else
m_context << u256(_arrayType.memoryHeadSize());
m_context << Instruction::MUL;
}
// stack: <base_ref> <index * size>
if (location == DataLocation::Memory && _arrayType.isDynamicallySized())
m_context << u256(32) << Instruction::ADD;
if (_keepReference)
m_context << Instruction::DUP2;
m_context << Instruction::ADD;
break;
case DataLocation::Storage:
{
if (_keepReference)
m_context << Instruction::DUP2;
else
m_context << Instruction::SWAP1;
// stack: [<base_ref>] <index> <base_ref>
eth::AssemblyItem endTag = m_context.newTag();
if (_arrayType.isByteArray())
{

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@ -97,11 +97,13 @@ public:
/// on the stack at position @a _stackDepthLength and the storage reference at @a _stackDepthRef.
/// If @a _arrayType is a byte array, takes tight coding into account.
void storeLength(ArrayType const& _arrayType, unsigned _stackDepthLength = 0, unsigned _stackDepthRef = 1) const;
/// Performs bounds checking and returns a reference on the stack.
/// Checks whether the index is out of range and returns the absolute offset of the element reference[index]
/// (i.e. reference + index * size_of_base_type).
/// If @a _keepReference is true, the base reference to the beginning of the array is kept on the stack.
/// Stack pre: reference [length] index
/// Stack post (storage): storage_slot byte_offset
/// Stack post: memory/calldata_offset
void accessIndex(ArrayType const& _arrayType, bool _doBoundsCheck = true) const;
/// Stack post (storage): [reference] storage_slot byte_offset
/// Stack post: [reference] memory/calldata_offset
void accessIndex(ArrayType const& _arrayType, bool _doBoundsCheck = true, bool _keepReference = false) const;
private:
/// Adds the given number of bytes to a storage byte offset counter and also increments

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@ -1551,10 +1551,10 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
_indexAccess.indexExpression()->accept(*this);
utils().convertType(*_indexAccess.indexExpression()->annotation().type, IntegerType::uint256(), true);
// stack layout: <base_ref> [<length>] <index>
ArrayUtils(m_context).accessIndex(arrayType);
switch (arrayType.location())
{
case DataLocation::Storage:
ArrayUtils(m_context).accessIndex(arrayType);
if (arrayType.isByteArray())
{
solAssert(!arrayType.isString(), "Index access to string is not allowed.");
@ -1564,18 +1564,75 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
setLValueToStorageItem(_indexAccess);
break;
case DataLocation::Memory:
ArrayUtils(m_context).accessIndex(arrayType);
setLValue<MemoryItem>(_indexAccess, *_indexAccess.annotation().type, !arrayType.isByteArray());
break;
case DataLocation::CallData:
//@todo if we implement this, the value in calldata has to be added to the base offset
solUnimplementedAssert(!arrayType.baseType()->isDynamicallySized(), "Nested arrays not yet implemented.");
if (arrayType.baseType()->isValueType())
CompilerUtils(m_context).loadFromMemoryDynamic(
*arrayType.baseType(),
true,
!arrayType.isByteArray(),
false
);
if (arrayType.baseType()->isDynamicallyEncoded())
{
// stack layout: <base_ref> <length> <index>
ArrayUtils(m_context).accessIndex(arrayType, true, true);
// stack layout: <base_ref> <ptr_to_tail>
unsigned int baseEncodedSize = arrayType.baseType()->calldataEncodedSize();
solAssert(baseEncodedSize > 1, "");
// returns the absolute offset of the accessed element in "base_ref"
m_context.appendInlineAssembly(Whiskers(R"({
let rel_offset_of_tail := calldataload(ptr_to_tail)
if iszero(slt(rel_offset_of_tail, sub(sub(calldatasize(), base_ref), sub(<neededLength>, 1)))) { revert(0, 0) }
base_ref := add(base_ref, rel_offset_of_tail)
})")("neededLength", toCompactHexWithPrefix(baseEncodedSize)).render(), {"base_ref", "ptr_to_tail"});
// stack layout: <absolute_offset_of_tail> <garbage>
if (!arrayType.baseType()->isDynamicallySized())
{
m_context << Instruction::POP;
// stack layout: <absolute_offset_of_element>
solAssert(
arrayType.baseType()->category() == Type::Category::Struct ||
arrayType.baseType()->category() == Type::Category::Array,
"Invalid dynamically encoded base type on array access."
);
}
else
{
auto const* baseArrayType = dynamic_cast<ArrayType const*>(arrayType.baseType().get());
solAssert(!!baseArrayType, "Invalid dynamically sized type.");
unsigned int calldataStride = baseArrayType->calldataStride();
solAssert(calldataStride > 0, "");
// returns the absolute offset of the accessed element in "base_ref"
// and the length of the accessed element in "ptr_to_length"
m_context.appendInlineAssembly(
Whiskers(R"({
length := calldataload(base_ref)
base_ref := add(base_ref, 0x20)
if gt(length, 0xffffffffffffffff) { revert(0, 0) }
if sgt(base_ref, sub(calldatasize(), mul(length, <calldataStride>))) { revert(0, 0) }
})")("calldataStride", toCompactHexWithPrefix(calldataStride)).render(),
{"base_ref", "length"}
);
// stack layout: <absolute_offset_of_element> <length_of_element>
}
}
else
{
ArrayUtils(m_context).accessIndex(arrayType, true);
if (arrayType.baseType()->isValueType())
CompilerUtils(m_context).loadFromMemoryDynamic(
*arrayType.baseType(),
true,
!arrayType.isByteArray(),
false
);
else
solAssert(
arrayType.baseType()->category() == Type::Category::Struct ||
arrayType.baseType()->category() == Type::Category::Array,
"Invalid statically sized non-value base type on array access."
);
}
break;
}
}

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@ -202,6 +202,31 @@ public:
return m_blockNumber;
}
template<typename Range>
bytes encodeArray(bool _dynamicallySized, bool _dynamicallyEncoded, Range const& _elements)
{
bytes result;
if (_dynamicallySized)
result += encode(u256(_elements.size()));
if (_dynamicallyEncoded)
{
u256 offset = u256(_elements.size()) * 32;
std::vector<bytes> subEncodings;
for (auto const& element: _elements)
{
result += encode(offset);
subEncodings.emplace_back(encode(element));
offset += subEncodings.back().size();
}
for (auto const& subEncoding: subEncodings)
result += subEncoding;
}
else
for (auto const& element: _elements)
result += encode(element);
return result;
}
private:
template <class CppFunction, class... Args>
auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)

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@ -32,6 +32,7 @@
#include <libdevcore/Keccak256.h>
#include <boost/range/adaptor/transformed.hpp>
#include <boost/test/unit_test.hpp>
#include <functional>
@ -8309,6 +8310,348 @@ BOOST_AUTO_TEST_CASE(calldata_struct_function_type)
ABI_CHECK(callContractFunctionNoEncoding("f((function))", fn_C_h), encodeArgs(23));
}
BOOST_AUTO_TEST_CASE(calldata_array_dynamic_bytes)
{
char const* sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function f1(bytes[1] calldata a) external returns (uint256, uint256, uint256, uint256) {
return (a[0].length, uint8(a[0][0]), uint8(a[0][1]), uint8(a[0][2]));
}
function f2(bytes[1] calldata a, bytes[1] calldata b) external returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256) {
return (a[0].length, uint8(a[0][0]), uint8(a[0][1]), uint8(a[0][2]), b[0].length, uint8(b[0][0]), uint8(b[0][1]));
}
function g1(bytes[2] calldata a) external returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256, uint256) {
return (a[0].length, uint8(a[0][0]), uint8(a[0][1]), uint8(a[0][2]), a[1].length, uint8(a[1][0]), uint8(a[1][1]), uint8(a[1][2]));
}
function g2(bytes[] calldata a) external returns (uint256[8] memory) {
return [a.length, a[0].length, uint8(a[0][0]), uint8(a[0][1]), a[1].length, uint8(a[1][0]), uint8(a[1][1]), uint8(a[1][2])];
}
}
)";
compileAndRun(sourceCode, 0, "C");
bytes bytes010203 = bytes{1,2,3}+bytes(29,0);
bytes bytes040506 = bytes{4,5,6}+bytes(29,0);
bytes bytes0102 = bytes{1,2}+bytes(30,0);
ABI_CHECK(
callContractFunction("f1(bytes[1])", 0x20, 0x20, 3, bytes010203),
encodeArgs(3, 1, 2, 3)
);
ABI_CHECK(
callContractFunction("f2(bytes[1],bytes[1])", 0x40, 0xA0, 0x20, 3, bytes010203, 0x20, 2, bytes0102),
encodeArgs(3, 1, 2, 3, 2, 1, 2)
);
ABI_CHECK(
callContractFunction("g1(bytes[2])", 0x20, 0x40, 0x80, 3, bytes010203, 3, bytes040506),
encodeArgs(3, 1, 2, 3, 3, 4, 5, 6)
);
// same offset for both arrays
ABI_CHECK(
callContractFunction("g1(bytes[2])", 0x20, 0x40, 0x40, 3, bytes010203),
encodeArgs(3, 1, 2, 3, 3, 1, 2, 3)
);
ABI_CHECK(
callContractFunction("g2(bytes[])", 0x20, 2, 0x40, 0x80, 2, bytes0102, 3, bytes040506),
encodeArgs(2, 2, 1, 2, 3, 4, 5, 6)
);
}
BOOST_AUTO_TEST_CASE(calldata_dynamic_array_to_memory)
{
char const* sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function f(uint256[][] calldata a) external returns (uint, uint256[] memory) {
uint256[] memory m = a[0];
return (a.length, m);
}
}
)";
compileAndRun(sourceCode, 0, "C");
ABI_CHECK(
callContractFunction("f(uint256[][])", 0x20, 1, 0x20, 2, 23, 42),
encodeArgs(1, 0x40, 2, 23, 42)
);
}
BOOST_AUTO_TEST_CASE(calldata_bytes_array_to_memory)
{
char const* sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function f(bytes[] calldata a) external returns (uint, uint, bytes memory) {
bytes memory m = a[0];
return (a.length, m.length, m);
}
}
)";
compileAndRun(sourceCode, 0, "C");
ABI_CHECK(
callContractFunction("f(bytes[])", 0x20, 1, 0x20, 2, bytes{'a', 'b'} + bytes(30, 0)),
encodeArgs(1, 2, 0x60, 2, bytes{'a','b'} + bytes(30, 0))
);
ABI_CHECK(
callContractFunction("f(bytes[])", 0x20, 1, 0x20, 32, bytes(32, 'x')),
encodeArgs(1, 32, 0x60, 32, bytes(32, 'x'))
);
bytes x_zero_a = bytes{'x'} + bytes(30, 0) + bytes{'a'};
bytes a_zero_x = bytes{'a'} + bytes(30, 0) + bytes{'x'};
bytes a_m_x = bytes{'a'} + bytes(30, 'm') + bytes{'x'};
ABI_CHECK(
callContractFunction("f(bytes[])", 0x20, 1, 0x20, 32, x_zero_a),
encodeArgs(1, 32, 0x60, 32, x_zero_a)
);
ABI_CHECK(
callContractFunction("f(bytes[])", 0x20, 1, 0x20, 32, a_zero_x),
encodeArgs(1, 32, 0x60, 32, a_zero_x)
);
ABI_CHECK(
callContractFunction("f(bytes[])", 0x20, 1, 0x20, 32, a_m_x),
encodeArgs(1, 32, 0x60, 32, a_m_x)
);
}
BOOST_AUTO_TEST_CASE(calldata_bytes_array_bounds)
{
char const* sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function f(bytes[] calldata a, uint256 i) external returns (uint) {
return uint8(a[0][i]);
}
}
)";
compileAndRun(sourceCode, 0, "C");
ABI_CHECK(
callContractFunction("f(bytes[],uint256)", 0x40, 0, 1, 0x20, 2, bytes{'a', 'b'} + bytes(30, 0)),
encodeArgs('a')
);
ABI_CHECK(
callContractFunction("f(bytes[],uint256)", 0x40, 1, 1, 0x20, 2, bytes{'a', 'b'} + bytes(30, 0)),
encodeArgs('b')
);
ABI_CHECK(
callContractFunction("f(bytes[],uint256)", 0x40, 2, 1, 0x20, 2, bytes{'a', 'b'} + bytes(30, 0)),
encodeArgs()
);
}
BOOST_AUTO_TEST_CASE(calldata_string_array)
{
char const* sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function f(string[] calldata a) external returns (uint, uint, uint, string memory) {
string memory s1 = a[0];
bytes memory m1 = bytes(s1);
return (a.length, m1.length, uint8(m1[0]), s1);
}
}
)";
compileAndRun(sourceCode, 0, "C");
ABI_CHECK(
callContractFunction("f(string[])", 0x20, 1, 0x20, 2, bytes{'a', 'b'} + bytes(30, 0)),
encodeArgs(1, 2, 'a', 0x80, 2, bytes{'a', 'b'} + bytes(30, 0))
);
}
BOOST_AUTO_TEST_CASE(calldata_array_two_dimensional)
{
vector<vector<u256>> data {
{ 0x0A01, 0x0A02, 0x0A03 },
{ 0x0B01, 0x0B02, 0x0B03, 0x0B04 }
};
for (bool outerDynamicallySized: { true, false })
{
string arrayType = outerDynamicallySized ? "uint256[][]" : "uint256[][2]";
string sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function test()" + arrayType + R"( calldata a) external returns (uint256) {
return a.length;
}
function test()" + arrayType + R"( calldata a, uint256 i) external returns (uint256) {
return a[i].length;
}
function test()" + arrayType + R"( calldata a, uint256 i, uint256 j) external returns (uint256) {
return a[i][j];
}
}
)";
compileAndRun(sourceCode, 0, "C");
bytes encoding = encodeArray(
outerDynamicallySized,
true,
data | boost::adaptors::transformed([&](vector<u256> const& _values) {
return encodeArray(true, false, _values);
})
);
ABI_CHECK(callContractFunction("test(" + arrayType + ")", 0x20, encoding), encodeArgs(data.size()));
for (size_t i = 0; i < data.size(); i++)
{
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256)", 0x40, i, encoding), encodeArgs(data[i].size()));
for (size_t j = 0; j < data[i].size(); j++)
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256,uint256)", 0x60, i, j, encoding), encodeArgs(data[i][j]));
// out of bounds access
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256,uint256)", 0x60, i, data[i].size(), encoding), encodeArgs());
}
// out of bounds access
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256)", 0x40, data.size(), encoding), encodeArgs());
}
}
BOOST_AUTO_TEST_CASE(calldata_array_dynamic_three_dimensional)
{
vector<vector<vector<u256>>> data {
{
{ 0x010A01, 0x010A02, 0x010A03 },
{ 0x010B01, 0x010B02, 0x010B03 }
},
{
{ 0x020A01, 0x020A02, 0x020A03 },
{ 0x020B01, 0x020B02, 0x020B03 }
}
};
for (bool outerDynamicallySized: { true, false })
for (bool middleDynamicallySized: { true, false })
for (bool innerDynamicallySized: { true, false })
{
// only test dynamically encoded arrays
if (!outerDynamicallySized && !middleDynamicallySized && !innerDynamicallySized)
continue;
string arrayType = "uint256";
arrayType += innerDynamicallySized ? "[]" : "[3]";
arrayType += middleDynamicallySized ? "[]" : "[2]";
arrayType += outerDynamicallySized ? "[]" : "[2]";
string sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function test()" + arrayType + R"( calldata a) external returns (uint256) {
return a.length;
}
function test()" + arrayType + R"( calldata a, uint256 i) external returns (uint256) {
return a[i].length;
}
function test()" + arrayType + R"( calldata a, uint256 i, uint256 j) external returns (uint256) {
return a[i][j].length;
}
function test()" + arrayType + R"( calldata a, uint256 i, uint256 j, uint256 k) external returns (uint256) {
return a[i][j][k];
}
}
)";
compileAndRun(sourceCode, 0, "C");
bytes encoding = encodeArray(
outerDynamicallySized,
middleDynamicallySized || innerDynamicallySized,
data | boost::adaptors::transformed([&](auto const& _middleData) {
return encodeArray(
middleDynamicallySized,
innerDynamicallySized,
_middleData | boost::adaptors::transformed([&](auto const& _values) {
return encodeArray(innerDynamicallySized, false, _values);
})
);
})
);
ABI_CHECK(callContractFunction("test(" + arrayType + ")", 0x20, encoding), encodeArgs(data.size()));
for (size_t i = 0; i < data.size(); i++)
{
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256)", 0x40, i, encoding), encodeArgs(data[i].size()));
for (size_t j = 0; j < data[i].size(); j++)
{
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256,uint256)", 0x60, i, j, encoding), encodeArgs(data[i][j].size()));
for (size_t k = 0; k < data[i][j].size(); k++)
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256,uint256,uint256)", 0x80, i, j, k, encoding), encodeArgs(data[i][j][k]));
// out of bounds access
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256,uint256,uint256)", 0x80, i, j, data[i][j].size(), encoding), encodeArgs());
}
// out of bounds access
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256,uint256)", 0x60, i, data[i].size(), encoding), encodeArgs());
}
// out of bounds access
ABI_CHECK(callContractFunction("test(" + arrayType + ",uint256)", 0x40, data.size(), encoding), encodeArgs());
}
}
BOOST_AUTO_TEST_CASE(calldata_array_dynamic_invalid)
{
char const* sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function f(uint256[][] calldata a) external returns (uint) {
return 42;
}
function g(uint256[][] calldata a) external returns (uint) {
a[0];
return 42;
}
}
)";
compileAndRun(sourceCode, 0, "C");
// valid access stub
ABI_CHECK(callContractFunction("f(uint256[][])", 0x20, 0), encodeArgs(42));
// invalid on argument decoding
ABI_CHECK(callContractFunction("f(uint256[][])", 0x20, 1), encodeArgs());
// invalid on outer access
ABI_CHECK(callContractFunction("f(uint256[][])", 0x20, 1, 0x20), encodeArgs(42));
ABI_CHECK(callContractFunction("g(uint256[][])", 0x20, 1, 0x20), encodeArgs());
// invalid on inner access
ABI_CHECK(callContractFunction("f(uint256[][])", 0x20, 1, 0x20, 2, 0x42), encodeArgs(42));
ABI_CHECK(callContractFunction("g(uint256[][])", 0x20, 1, 0x20, 2, 0x42), encodeArgs());
}
BOOST_AUTO_TEST_CASE(calldata_array_dynamic_invalid_static_middle)
{
char const* sourceCode = R"(
pragma experimental ABIEncoderV2;
contract C {
function f(uint256[][1][] calldata a) external returns (uint) {
return 42;
}
function g(uint256[][1][] calldata a) external returns (uint) {
a[0];
return 42;
}
function h(uint256[][1][] calldata a) external returns (uint) {
a[0][0];
return 42;
}
}
)";
compileAndRun(sourceCode, 0, "C");
// valid access stub
ABI_CHECK(callContractFunction("f(uint256[][1][])", 0x20, 0), encodeArgs(42));
// invalid on argument decoding
ABI_CHECK(callContractFunction("f(uint256[][1][])", 0x20, 1), encodeArgs());
// invalid on outer access
ABI_CHECK(callContractFunction("f(uint256[][1][])", 0x20, 1, 0x20), encodeArgs(42));
ABI_CHECK(callContractFunction("g(uint256[][1][])", 0x20, 1, 0x20), encodeArgs());
// invalid on inner access
ABI_CHECK(callContractFunction("f(uint256[][1][])", 0x20, 1, 0x20, 0x20), encodeArgs(42));
ABI_CHECK(callContractFunction("g(uint256[][1][])", 0x20, 1, 0x20, 0x20), encodeArgs(42));
ABI_CHECK(callContractFunction("h(uint256[][1][])", 0x20, 1, 0x20, 0x20), encodeArgs());
ABI_CHECK(callContractFunction("f(uint256[][1][])", 0x20, 1, 0x20, 0x20, 1), encodeArgs(42));
ABI_CHECK(callContractFunction("g(uint256[][1][])", 0x20, 1, 0x20, 0x20, 1), encodeArgs(42));
ABI_CHECK(callContractFunction("h(uint256[][1][])", 0x20, 1, 0x20, 0x20, 1), encodeArgs());
}
BOOST_AUTO_TEST_CASE(literal_strings)
{
char const* sourceCode = R"(

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@ -4,4 +4,3 @@ contract Test {
}
// ----
// Warning: (0-33): Experimental features are turned on. Do not use experimental features on live deployments.
// TypeError: (65-82): Calldata arrays with dynamically encoded base types are not yet supported.

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@ -0,0 +1,7 @@
contract Test {
function f(uint[][] calldata) external { }
function g(uint[][1] calldata) external { }
}
// ----
// TypeError: (31-48): This type is only supported in the new experimental ABI encoder. Use "pragma experimental ABIEncoderV2;" to enable the feature.
// TypeError: (78-96): This type is only supported in the new experimental ABI encoder. Use "pragma experimental ABIEncoderV2;" to enable the feature.

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@ -6,4 +6,3 @@ contract Test {
}
// ----
// Warning: (0-33): Experimental features are turned on. Do not use experimental features on live deployments.
// TypeError: (131-145): Calldata arrays with dynamically encoded base types are not yet supported.