Browse Source

Use dynamic memory for argument encoding.

cl-refactor
chriseth 10 years ago
parent
commit
e66a5ca0b5
  1. 8
      libsolidity/CompilerUtils.cpp
  2. 4
      libsolidity/CompilerUtils.h
  3. 307
      libsolidity/ExpressionCompiler.cpp
  4. 25
      libsolidity/ExpressionCompiler.h
  5. 51
      test/libsolidity/SolidityEndToEndTest.cpp
  6. 10
      test/libsolidity/SolidityNameAndTypeResolution.cpp

8
libsolidity/CompilerUtils.cpp

@ -50,6 +50,13 @@ void CompilerUtils::storeFreeMemoryPointer()
m_context << u256(freeMemoryPointer) << eth::Instruction::MSTORE;
}
void CompilerUtils::toSizeAfterFreeMemoryPointer()
{
fetchFreeMemoryPointer();
m_context << eth::Instruction::DUP1 << eth::Instruction::SWAP2 << eth::Instruction::SUB;
m_context << eth::Instruction::SWAP1;
}
unsigned CompilerUtils::loadFromMemory(
unsigned _offset,
Type const& _type,
@ -204,6 +211,7 @@ unsigned CompilerUtils::getSizeOnStack(vector<shared_ptr<Type const>> const& _va
void CompilerUtils::computeHashStatic(Type const& _type, bool _padToWordBoundaries)
{
unsigned length = storeInMemory(0, _type, _padToWordBoundaries);
solAssert(length <= CompilerUtils::freeMemoryPointer, "");
m_context << u256(length) << u256(0) << eth::Instruction::SHA3;
}

4
libsolidity/CompilerUtils.h

@ -41,6 +41,8 @@ public:
void fetchFreeMemoryPointer();
/// Stores the free memory pointer from the stack.
void storeFreeMemoryPointer();
/// Appends code that transforms memptr to (memptr - free_memptr) memptr
void toSizeAfterFreeMemoryPointer();
/// Loads data from memory to the stack.
/// @param _offset offset in memory (or calldata)
@ -74,7 +76,7 @@ public:
bool _padToWordBoundaries = false
);
/// Dynamic version of @see storeInMemory, expects the memory offset below the value on the stack
/// and also updates that.
/// and also updates that. For arrays, only copies the data part.
/// Stack pre: memory_offset value...
/// Stack post: (memory_offset+length)
void storeInMemoryDynamic(Type const& _type, bool _padToWordBoundaries = true);

307
libsolidity/ExpressionCompiler.cpp

@ -73,6 +73,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
{
if (auto mappingType = dynamic_cast<MappingType const*>(returnType.get()))
{
solAssert(CompilerUtils::freeMemoryPointer >= 0x40, "");
// pop offset
m_context << eth::Instruction::POP;
// move storage offset to memory.
@ -470,21 +471,28 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
_functionCall.getExpression().accept(*this);
solAssert(!function.gasSet(), "Gas limit set for contract creation.");
solAssert(function.getReturnParameterTypes().size() == 1, "");
TypePointers argumentTypes;
for (auto const& arg: arguments)
{
arg->accept(*this);
argumentTypes.push_back(arg->getType());
}
ContractDefinition const& contract = dynamic_cast<ContractType const&>(
*function.getReturnParameterTypes().front()).getContractDefinition();
// copy the contract's code into memory
bytes const& bytecode = m_context.getCompiledContract(contract);
m_context << u256(bytecode.size());
CompilerUtils(m_context).fetchFreeMemoryPointer();
m_context << u256(bytecode.size()) << eth::Instruction::DUP1;
//@todo could be done by actually appending the Assembly, but then we probably need to compile
// multiple times. Will revisit once external fuctions are inlined.
m_context.appendData(bytecode);
//@todo copy to memory position 0, shift as soon as we use memory
m_context << u256(0) << eth::Instruction::CODECOPY;
m_context << eth::Instruction::DUP4 << eth::Instruction::CODECOPY;
m_context << u256(bytecode.size());
appendArgumentsCopyToMemory(arguments, function.getParameterTypes());
// size, offset, endowment
m_context << u256(0);
m_context << eth::Instruction::ADD;
encodeToMemory(argumentTypes, function.getParameterTypes());
// now on stack: memory_end_ptr
// need: size, offset, endowment
CompilerUtils(m_context).toSizeAfterFreeMemoryPointer();
if (function.valueSet())
m_context << eth::dupInstruction(3);
else
@ -546,12 +554,16 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
break;
case Location::SHA3:
{
// we might compute a sha as part of argumentsAppendCopyToMemory, this is only a hack
// and should be removed once we have a real free memory pointer
m_context << u256(0x40);
appendArgumentsCopyToMemory(arguments, TypePointers(), function.padArguments(), false, true);
m_context << u256(0x40) << eth::Instruction::SWAP1 << eth::Instruction::SUB;
m_context << u256(0x40) << eth::Instruction::SHA3;
TypePointers argumentTypes;
for (auto const& arg: arguments)
{
arg->accept(*this);
argumentTypes.push_back(arg->getType());
}
CompilerUtils(m_context).fetchFreeMemoryPointer();
encodeToMemory(argumentTypes, TypePointers(), function.padArguments(), true);
CompilerUtils(m_context).toSizeAfterFreeMemoryPointer();
m_context << eth::Instruction::SHA3;
break;
}
case Location::Log0:
@ -566,9 +578,15 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
arguments[arg]->accept(*this);
appendTypeConversion(*arguments[arg]->getType(), *function.getParameterTypes()[arg], true);
}
m_context << u256(0);
appendExpressionCopyToMemory(*function.getParameterTypes().front(), *arguments.front());
m_context << u256(0) << eth::logInstruction(logNumber);
arguments.front()->accept(*this);
CompilerUtils(m_context).fetchFreeMemoryPointer();
encodeToMemory(
{arguments.front()->getType()},
{function.getParameterTypes().front()},
false,
true);
CompilerUtils(m_context).toSizeAfterFreeMemoryPointer();
m_context << eth::logInstruction(logNumber);
break;
}
case Location::Event:
@ -582,8 +600,11 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
{
++numIndexed;
arguments[arg - 1]->accept(*this);
appendTypeConversion(*arguments[arg - 1]->getType(),
*function.getParameterTypes()[arg - 1], true);
appendTypeConversion(
*arguments[arg - 1]->getType(),
*function.getParameterTypes()[arg - 1],
true
);
}
if (!event.isAnonymous())
{
@ -593,18 +614,20 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
solAssert(numIndexed <= 4, "Too many indexed arguments.");
// Copy all non-indexed arguments to memory (data)
// Memory position is only a hack and should be removed once we have free memory pointer.
m_context << u256(0x40);
vector<ASTPointer<Expression const>> nonIndexedArgs;
TypePointers nonIndexedTypes;
TypePointers nonIndexedArgTypes;
TypePointers nonIndexedParamTypes;
for (unsigned arg = 0; arg < arguments.size(); ++arg)
if (!event.getParameters()[arg]->isIndexed())
{
nonIndexedArgs.push_back(arguments[arg]);
nonIndexedTypes.push_back(function.getParameterTypes()[arg]);
arguments[arg]->accept(*this);
nonIndexedArgTypes.push_back(arguments[arg]->getType());
nonIndexedParamTypes.push_back(function.getParameterTypes()[arg]);
}
appendArgumentsCopyToMemory(nonIndexedArgs, nonIndexedTypes);
m_context << u256(0x40) << eth::Instruction::SWAP1 << eth::Instruction::SUB;
m_context << u256(0x40) << eth::logInstruction(numIndexed);
CompilerUtils(m_context).fetchFreeMemoryPointer();
encodeToMemory(nonIndexedArgTypes, nonIndexedParamTypes);
// need: topic1 ... topicn memsize memstart
CompilerUtils(m_context).toSizeAfterFreeMemoryPointer();
m_context << eth::logInstruction(numIndexed);
break;
}
case Location::BlockHash:
@ -804,8 +827,10 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
Type const& keyType = *dynamic_cast<MappingType const&>(baseType).getKeyType();
m_context << u256(0); // memory position
solAssert(_indexAccess.getIndexExpression(), "Index expression expected.");
solAssert(keyType.getCalldataEncodedSize() <= 0x20, "Dynamic keys not yet implemented.");
appendExpressionCopyToMemory(keyType, *_indexAccess.getIndexExpression());
m_context << eth::Instruction::SWAP1;
solAssert(CompilerUtils::freeMemoryPointer >= 0x40, "");
appendTypeMoveToMemory(IntegerType(256));
m_context << u256(0) << eth::Instruction::SHA3;
m_context << u256(0);
@ -1058,50 +1083,78 @@ void ExpressionCompiler::appendExternalFunctionCall(
unsigned gasStackPos = m_context.currentToBaseStackOffset(gasValueSize);
unsigned valueStackPos = m_context.currentToBaseStackOffset(1);
bool returnSuccessCondition =
_functionType.getLocation() == FunctionType::Location::Bare ||
_functionType.getLocation() == FunctionType::Location::BareCallCode;
// Output data will be at FreeMemPtr, replacing input data.
using FunctionKind = FunctionType::Location;
FunctionKind funKind = _functionType.getLocation();
bool returnSuccessCondition = funKind == FunctionKind::Bare || funKind == FunctionKind::BareCallCode;
//@todo only return the first return value for now
Type const* firstType = _functionType.getReturnParameterTypes().empty() ? nullptr :
_functionType.getReturnParameterTypes().front().get();
unsigned retSize = firstType ? firstType->getCalldataEncodedSize() : 0;
Type const* firstReturnType =
_functionType.getReturnParameterTypes().empty() ?
nullptr :
_functionType.getReturnParameterTypes().front().get();
unsigned retSize = firstReturnType ? firstReturnType->getCalldataEncodedSize() : 0;
if (returnSuccessCondition)
retSize = 0; // return value actually is success condition
// put on stack: <size of output> <memory pos of output>
m_context << u256(retSize);
CompilerUtils(m_context).fetchFreeMemoryPointer();
//@TODO CHECK ALL CALLS OF appendTypeMoveToMemory
// copy arguments to memory and
// put on stack: <size of input> <memory pos of input>
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP1;
if (!_functionType.isBareCall())
// Evaluate arguments.
TypePointers argumentTypes;
bool manualFunctionId =
(funKind == FunctionKind::Bare || funKind == FunctionKind::BareCallCode) &&
!_arguments.empty() &&
_arguments.front()->getType()->getRealType()->getCalldataEncodedSize(false) ==
CompilerUtils::dataStartOffset;
if (manualFunctionId)
{
// copy function identifier
m_context << eth::dupInstruction(gasValueSize + 3);
CompilerUtils(m_context).storeInMemoryDynamic(
IntegerType(CompilerUtils::dataStartOffset * 8),
false
// If we have a BareCall or BareCallCode and the first type has exactly 4 bytes, use it as
// function identifier.
_arguments.front()->accept(*this);
appendTypeConversion(
*_arguments.front()->getType(),
IntegerType(8 * CompilerUtils::dataStartOffset),
true
);
for (unsigned i = 0; i < gasValueSize; ++i)
m_context << eth::swapInstruction(gasValueSize - i);
gasStackPos++;
valueStackPos++;
}
for (size_t i = manualFunctionId ? 1 : 0; i < _arguments.size(); ++i)
{
_arguments[i]->accept(*this);
argumentTypes.push_back(_arguments[i]->getType());
}
// For bare call, activate "4 byte pad exception": If the first argument has exactly 4 bytes,
// do not pad it to 32 bytes.
// Copy function identifier to memory.
CompilerUtils(m_context).fetchFreeMemoryPointer();
if (!_functionType.isBareCall() || manualFunctionId)
{
m_context << eth::dupInstruction(2 + gasValueSize + CompilerUtils::getSizeOnStack(argumentTypes));
appendTypeMoveToMemory(IntegerType(8 * CompilerUtils::dataStartOffset), false);
}
// If the function takes arbitrary parameters, copy dynamic length data in place.
appendArgumentsCopyToMemory(
_arguments,
// Move argumenst to memory, will not update the free memory pointer (but will update the memory
// pointer on the stack).
encodeToMemory(
argumentTypes,
_functionType.getParameterTypes(),
_functionType.padArguments(),
_functionType.getLocation() == FunctionType::Location::Bare ||
_functionType.getLocation() == FunctionType::Location::BareCallCode,
_functionType.takesArbitraryParameters()
);
// now on stack: ... <pos of output = pos of input> <pos of input> <end of input>
m_context << eth::Instruction::SUB << eth::Instruction::DUP2;
// Stack now:
// <stack top>
// input_memory_end
// value [if _functionType.valueSet()]
// gas [if _functionType.gasSet()]
// function identifier [unless bare]
// contract address
// Output data will replace input data.
// put on stack: <size of output> <memory pos of output> <size of input> <memory pos of input>
m_context << u256(retSize);
CompilerUtils(m_context).fetchFreeMemoryPointer();
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP4 << eth::Instruction::SUB;
m_context << eth::Instruction::DUP2;
// CALL arguments: outSize, outOff, inSize, inOff (already present up to here)
// value, addr, gas (stack top)
@ -1120,19 +1173,16 @@ void ExpressionCompiler::appendExternalFunctionCall(
u256(eth::c_callGas + 10 + (_functionType.valueSet() ? eth::c_callValueTransferGas : 0) + eth::c_callNewAccountGas) <<
eth::Instruction::GAS <<
eth::Instruction::SUB;
if (
_functionType.getLocation() == FunctionType::Location::CallCode ||
_functionType.getLocation() == FunctionType::Location::BareCallCode
)
if (funKind == FunctionKind::CallCode || funKind == FunctionKind::BareCallCode)
m_context << eth::Instruction::CALLCODE;
else
m_context << eth::Instruction::CALL;
unsigned remainsSize =
1 + // contract address
2 + // contract address, input_memory_end
_functionType.valueSet() +
_functionType.gasSet() +
!_functionType.isBareCall();
(!_functionType.isBareCall() || manualFunctionId);
if (returnSuccessCondition)
m_context << eth::swapInstruction(remainsSize);
@ -1149,56 +1199,93 @@ void ExpressionCompiler::appendExternalFunctionCall(
{
// already there
}
else if (_functionType.getLocation() == FunctionType::Location::RIPEMD160)
else if (funKind == FunctionKind::RIPEMD160)
{
// fix: built-in contract returns right-aligned data
CompilerUtils(m_context).fetchFreeMemoryPointer();
CompilerUtils(m_context).loadFromMemoryDynamic(IntegerType(160), false, true, false);
appendTypeConversion(IntegerType(160), FixedBytesType(20));
}
else if (firstType)
else if (firstReturnType)
{
//@todo manually update free memory pointer if we accept returning memory-stored objects
CompilerUtils(m_context).fetchFreeMemoryPointer();
CompilerUtils(m_context).loadFromMemoryDynamic(*firstType, false, true, false);
CompilerUtils(m_context).loadFromMemoryDynamic(*firstReturnType, false, true, false);
}
}
void ExpressionCompiler::appendArgumentsCopyToMemory(
vector<ASTPointer<Expression const>> const& _arguments,
TypePointers const& _types,
void ExpressionCompiler::encodeToMemory(
TypePointers const& _givenTypes,
TypePointers const& _targetTypes,
bool _padToWordBoundaries,
bool _padExceptionIfFourBytes,
bool _copyDynamicDataInPlace
)
{
solAssert(_types.empty() || _types.size() == _arguments.size(), "");
TypePointers types = _types;
if (_types.empty())
for (ASTPointer<Expression const> const& argument: _arguments)
types.push_back(argument->getType()->getRealType());
vector<size_t> dynamicArguments;
unsigned stackSizeOfDynamicTypes = 0;
for (size_t i = 0; i < _arguments.size(); ++i)
// stack: <v1> <v2> ... <vn> <mem>
TypePointers targetTypes = _targetTypes.empty() ? _givenTypes : _targetTypes;
solAssert(targetTypes.size() == _givenTypes.size(), "");
for (TypePointer& t: targetTypes)
t = t->getRealType()->externalType();
// Stack during operation:
// <v1> <v2> ... <vn> <mem_start> <dyn_head_1> ... <dyn_head_r> <end_of_mem>
// The values dyn_head_i are added during the first loop and they point to the head part
// of the ith dynamic parameter, which is filled once the dynamic parts are processed.
// store memory start pointer
m_context << eth::Instruction::DUP1;
unsigned argSize = CompilerUtils::getSizeOnStack(_givenTypes);
unsigned stackPos = 0; // advances through the argument values
unsigned dynPointers = 0; // number of dynamic head pointers on the stack
for (size_t i = 0; i < _givenTypes.size(); ++i)
{
_arguments[i]->accept(*this);
TypePointer argType = types[i]->externalType();
solAssert(!!argType, "Externalable type expected.");
if (argType->isValueType())
appendTypeConversion(*_arguments[i]->getType(), *argType, true);
TypePointer targetType = targetTypes[i];
solAssert(!!targetType, "Externalable type expected.");
if (targetType->isDynamicallySized() && !_copyDynamicDataInPlace)
{
// leave end_of_mem as dyn head pointer
m_context << eth::Instruction::DUP1 << u256(32) << eth::Instruction::ADD;
dynPointers++;
}
else
argType = _arguments[i]->getType()->getRealType()->externalType();
solAssert(!!argType, "Externalable type expected.");
bool pad = _padToWordBoundaries;
// Do not pad if the first argument has exactly four bytes
if (i == 0 && pad && _padExceptionIfFourBytes && argType->getCalldataEncodedSize(false) == 4)
pad = false;
if (!_copyDynamicDataInPlace && argType->isDynamicallySized())
{
solAssert(argType->getCategory() == Type::Category::Array, "Unknown dynamic type.");
auto const& arrayType = dynamic_cast<ArrayType const&>(*_arguments[i]->getType());
// move memory reference to top of stack
CompilerUtils(m_context).moveToStackTop(arrayType.getSizeOnStack());
CompilerUtils(m_context).copyToStackTop(
argSize - stackPos + dynPointers + 2,
_givenTypes[i]->getSizeOnStack()
);
if (targetType->isValueType())
appendTypeConversion(*_givenTypes[i], *targetType, true);
solAssert(!!targetType, "Externalable type expected.");
appendTypeMoveToMemory(*targetType, _padToWordBoundaries);
}
stackPos += _givenTypes[i]->getSizeOnStack();
}
// now copy the dynamic part
// Stack: <v1> <v2> ... <vn> <mem_start> <dyn_head_1> ... <dyn_head_r> <end_of_mem>
stackPos = 0;
unsigned thisDynPointer = 0;
for (size_t i = 0; i < _givenTypes.size(); ++i)
{
TypePointer targetType = targetTypes[i];
solAssert(!!targetType, "Externalable type expected.");
if (targetType->isDynamicallySized() && !_copyDynamicDataInPlace)
{
solAssert(_givenTypes[i]->getCategory() == Type::Category::Array, "Unknown dynamic type.");
auto const& arrayType = dynamic_cast<ArrayType const&>(*_givenTypes[i]);
// copy tail pointer (=mem_end - mem_start) to memory
m_context << eth::dupInstruction(2 + dynPointers) << eth::Instruction::DUP2;
m_context << eth::Instruction::SUB;
m_context << eth::dupInstruction(2 + dynPointers - thisDynPointer);
m_context << eth::Instruction::MSTORE;
// now copy the array
CompilerUtils(m_context).copyToStackTop(
argSize - stackPos + dynPointers + 2,
arrayType.getSizeOnStack()
);
// copy length to memory
m_context << eth::dupInstruction(1 + arrayType.getSizeOnStack());
if (arrayType.location() == ReferenceType::Location::CallData)
m_context << eth::Instruction::DUP2; // length is on stack
else if (arrayType.location() == ReferenceType::Location::Storage)
@ -1209,31 +1296,19 @@ void ExpressionCompiler::appendArgumentsCopyToMemory(
m_context << eth::Instruction::DUP2 << eth::Instruction::MLOAD;
}
appendTypeMoveToMemory(IntegerType(256), true);
stackSizeOfDynamicTypes += arrayType.getSizeOnStack();
dynamicArguments.push_back(i);
}
else
appendTypeMoveToMemory(*argType, pad);
}
// copy the new memory pointer
m_context << eth::swapInstruction(arrayType.getSizeOnStack() + 1) << eth::Instruction::POP;
// copy data part
appendTypeMoveToMemory(arrayType, true);
// copy dynamic values to memory
unsigned dynStackPointer = stackSizeOfDynamicTypes;
// stack layout: <dyn arg 1> ... <dyn arg m> <memory pointer>
for (size_t i: dynamicArguments)
{
auto const& arrayType = dynamic_cast<ArrayType const&>(*_arguments[i]->getType());
CompilerUtils(m_context).copyToStackTop(1 + dynStackPointer, arrayType.getSizeOnStack());
dynStackPointer -= arrayType.getSizeOnStack();
appendTypeMoveToMemory(arrayType, true);
thisDynPointer++;
}
stackPos += _givenTypes[i]->getSizeOnStack();
}
solAssert(dynStackPointer == 0, "");
// remove dynamic values (and retain memory pointer)
if (stackSizeOfDynamicTypes > 0)
{
m_context << eth::swapInstruction(stackSizeOfDynamicTypes);
CompilerUtils(m_context).popStackSlots(stackSizeOfDynamicTypes);
}
// remove unneeded stack elements (and retain memory pointer)
m_context << eth::swapInstruction(argSize + dynPointers + 1);
CompilerUtils(m_context).popStackSlots(argSize + dynPointers + 1);
}
void ExpressionCompiler::appendTypeMoveToMemory(Type const& _type, bool _padToWordBoundaries)

25
libsolidity/ExpressionCompiler.h

@ -98,21 +98,28 @@ private:
void appendHighBitsCleanup(IntegerType const& _typeOnStack);
/// Appends code to call a function of the given type with the given arguments.
void appendExternalFunctionCall(FunctionType const& _functionType, std::vector<ASTPointer<Expression const>> const& _arguments);
/// Appends code that evaluates the given arguments and moves the result to memory encoded as
/// specified by the ABI. The memory offset is expected to be on the stack and is updated by
/// this call. If @a _padToWordBoundaries is set to false, all values are concatenated without
/// padding. If @a _copyDynamicDataInPlace is set, dynamic types is stored (without length)
void appendExternalFunctionCall(
FunctionType const& _functionType,
std::vector<ASTPointer<Expression const>> const& _arguments
);
/// Copies values (of types @a _givenTypes) given on the stack to a location in memory given
/// at the stack top, encoding them according to the ABI as the given types @a _targetTypes.
/// Removes the values from the stack and leaves the updated memory pointer.
/// Stack pre: <v1> <v2> ... <vn> <memptr>
/// Stack post: <memptr_updated>
/// Does not touch the memory-free pointer.
/// @param _padToWordBoundaries if false, all values are concatenated without padding.
/// @param _copyDynamicDataInPlace if true, dynamic types is stored (without length)
/// together with fixed-length data.
void appendArgumentsCopyToMemory(
std::vector<ASTPointer<Expression const>> const& _arguments,
TypePointers const& _types = {},
void encodeToMemory(
TypePointers const& _givenTypes = {},
TypePointers const& _targetTypes = {},
bool _padToWordBoundaries = true,
bool _padExceptionIfFourBytes = false,
bool _copyDynamicDataInPlace = false
);
/// Appends code that moves a stack element of the given type to memory. The memory offset is
/// expected below the stack element and is updated by this call.
/// For arrays, this only copies the data part.
void appendTypeMoveToMemory(Type const& _type, bool _padToWordBoundaries = true);
/// Appends code that evaluates a single expression and moves the result to memory. The memory offset is
/// expected to be on the stack and is updated by this call.

51
test/libsolidity/SolidityEndToEndTest.cpp

@ -2396,7 +2396,7 @@ BOOST_AUTO_TEST_CASE(event_really_lots_of_data)
callContractFunction("deposit()");
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK(m_logs[0].data == encodeArgs(10, 4, 15) + FixedHash<4>(dev::sha3("deposit()")).asBytes());
BOOST_CHECK(m_logs[0].data == encodeArgs(10, 0x60, 15, 4) + FixedHash<4>(dev::sha3("deposit()")).asBytes());
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(uint256,bytes,uint256)")));
}
@ -2420,7 +2420,7 @@ BOOST_AUTO_TEST_CASE(event_really_lots_of_data_from_storage)
callContractFunction("deposit()");
BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
BOOST_CHECK(m_logs[0].data == encodeArgs(10, 3, 15) + asBytes("ABC"));
BOOST_CHECK(m_logs[0].data == encodeArgs(10, 0x60, 15, 3) + asBytes("ABC"));
BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(uint256,bytes,uint256)")));
}
@ -2531,6 +2531,27 @@ BOOST_AUTO_TEST_CASE(sha3_with_bytes)
BOOST_CHECK(callContractFunction("foo()") == encodeArgs(true));
}
BOOST_AUTO_TEST_CASE(iterated_sha3_with_bytes)
{
char const* sourceCode = R"(
contract c {
bytes data;
function foo() returns (bytes32)
{
data.length = 3;
data[0] = "x";
data[1] = "y";
data[2] = "z";
return sha3("b", sha3(data), "a");
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("foo()") == encodeArgs(
u256(dev::sha3(bytes{'b'} + dev::sha3("xyz").asBytes() + bytes{'a'}))
));
}
BOOST_AUTO_TEST_CASE(generic_call)
{
char const* sourceCode = R"**(
@ -4209,6 +4230,32 @@ BOOST_AUTO_TEST_CASE(failing_send)
BOOST_REQUIRE(callContractFunction("callHelper(address)", c_helperAddress) == encodeArgs(true, 20));
}
BOOST_AUTO_TEST_CASE(reusing_memory)
{
// Invoke some features that use memory and test that they do not interfere with each other.
char const* sourceCode = R"(
contract Helper {
uint public flag;
function Helper(uint x) {
flag = x;
}
}
contract Main {
mapping(uint => uint) map;
function f(uint x) returns (uint) {
map[x] = x;
return (new Helper(uint(sha3(this.g(map[x]))))).flag();
}
function g(uint a) returns (uint)
{
return map[a];
}
}
)";
compileAndRun(sourceCode, 0, "Main");
BOOST_REQUIRE(callContractFunction("f(uint256)", 0x34) == encodeArgs(dev::sha3(dev::toBigEndian(u256(0x34)))));
}
BOOST_AUTO_TEST_SUITE_END()
}

10
test/libsolidity/SolidityNameAndTypeResolution.cpp

@ -558,16 +558,6 @@ BOOST_AUTO_TEST_CASE(function_external_call_not_allowed_conversion)
BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}
// todo delete when implemented
BOOST_AUTO_TEST_CASE(arrays_in_internal_functions)
{
char const* text = R"(
contract Test {
function foo(address[] addresses) {}
})";
BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}
BOOST_AUTO_TEST_CASE(function_internal_allowed_conversion)
{
char const* text = R"(

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