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Increase refund counter if deleting a storage item [Delivers #81575908]

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This commit is contained in:
Paweł Bylica 2014-10-30 11:12:18 +01:00
parent 22e4d16e1f
commit e4a77c1f69
3 changed files with 17 additions and 1 deletions
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1
evmcc/test/ext/store_delete.evm Normal file
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@ -0,0 +1 @@
6104d26063576000606357

9
evmcc/test/ext/store_delete.lll Normal file
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@ -0,0 +1,9 @@
(asm
1234
99
SSTORE
0
99
SSTORE
)

8
libevmjit/Ext.cpp
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@ -6,6 +6,7 @@
#include <llvm/IR/IntrinsicInst.h> #include <llvm/IR/IntrinsicInst.h>
#include <libdevcrypto/SHA3.h> #include <libdevcrypto/SHA3.h>
#include <libevm/FeeStructure.h>
#include "Runtime.h" #include "Runtime.h"
#include "Type.h" #include "Type.h"
@ -179,7 +180,12 @@ extern "C"
{ {
auto index = llvm2eth(*_index); auto index = llvm2eth(*_index);
auto value = llvm2eth(*_value); auto value = llvm2eth(*_value);
_rt->getExt().setStore(index, value); // Interface uses native endianness auto& ext = _rt->getExt();
if (value == 0 && ext.store(index) != 0) // If delete
ext.sub.refunds += c_sstoreRefundGas; // Increase refund counter
ext.setStore(index, value); // Interface uses native endianness
} }
EXPORT void ext_calldataload(Runtime* _rt, i256* _index, i256* _value) EXPORT void ext_calldataload(Runtime* _rt, i256* _index, i256* _value)