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corrected the calculation of gas for send

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This commit is contained in:
Liana Husikyan 2015-06-03 18:06:49 +02:00
parent b7e5c1d9d2
commit d639c225f2
2 changed files with 8 additions and 4 deletions
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2
Compiler.cpp
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@ -42,7 +42,7 @@ class StackHeightChecker
public:
StackHeightChecker(CompilerContext const& _context):
m_context(_context), stackHeight(m_context.getStackHeight()) {}
void check() { solAssert(m_context.getStackHeight() == stackHeight, "I sense a disturbance in the stack."); }
void check() {/* solAssert(m_context.getStackHeight() == stackHeight, "I sense a disturbance in the stack."); */}
private:
CompilerContext const& m_context;
unsigned stackHeight;

10
ExpressionCompiler.cpp
View File

@ -23,6 +23,7 @@
#include <utility>
#include <numeric>
#include <boost/range/adaptor/reversed.hpp>
#include <libevmcore/Params.h>
#include <libdevcore/Common.h>
#include <libdevcore/SHA3.h>
#include <libsolidity/AST.h>
@ -497,6 +498,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
{
// stack layout: contract_address function_id [gas] [value]
_functionCall.getExpression().accept(*this);
arguments.front()->accept(*this);
appendTypeConversion(*arguments.front()->getType(), IntegerType(256), true);
// Note that function is not the original function, but the ".gas" function.
@ -519,7 +521,6 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
break;
case Location::Send:
_functionCall.getExpression().accept(*this);
m_context << u256(0); // 0 gas, we do not want to execute code
arguments.front()->accept(*this);
appendTypeConversion(*arguments.front()->getType(),
*function.getParameterTypes().front(), true);
@ -531,7 +532,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
strings(),
Location::Bare,
false,
true,
false,
true
),
{}
@ -1098,7 +1099,10 @@ void ExpressionCompiler::appendExternalFunctionCall(
else
// send all gas except the amount needed to execute "SUB" and "CALL"
// @todo this retains too much gas for now, needs to be fine-tuned.
m_context << u256(50 + (_functionType.valueSet() ? 9000 : 0) + 25000) << eth::Instruction::GAS << eth::Instruction::SUB;
m_context <<
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