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73 lines
1.5 KiB
73 lines
1.5 KiB
4 years ago
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contract Bug{
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address owner;
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address addr = 0x123F681646d4A755815f9CB19e1aCc8565A0c2AC;
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event Price(uint8 uprice8);
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uint8 uprice8;
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uint8 uprice8_2;
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uint8 uprice8_3;
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int16 iprice16;
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uint8 ufee;
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int16 ifee;
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modifier onlyAdmin {
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require(msg.sender != owner);
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_;
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}
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function bad0_helper() public{
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require(uprice8 > 0);
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ufee = uprice8 * 100;
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}
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function bad0(uint8 _price) onlyAdmin public{
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uprice8 = _price;
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}
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function bad1_helper() public{
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ifee = iprice16 * 100;
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}
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function bad1(int16 _price) onlyAdmin public{
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iprice16 = _price;
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}
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function good0(uint8 _price) public { // Not protected
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uprice8_2 = _price;
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}
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function good1__helper() onlyAdmin public { // Protected
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ufee = uprice8_2 * 100;
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}
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function good1(uint8 _price) onlyAdmin public {
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uprice8_2 = _price; // Used in another protected function good1_helper
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}
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function good2__helper() public {
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ufee = uprice8_3 * 100;
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}
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function good2(uint8 _price) onlyAdmin public {
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uprice8_3 = _price;
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emit Price(uprice8_3); // Event present
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}
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function good3() onlyAdmin public {
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uprice8_2 = 0; // No tainting breaks detector heuristic
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}
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function good4(uint8 _price) onlyAdmin private { // Private functions are ignored
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uprice8_2 = _price;
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}
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function good5_helper() public {
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require(addr != address(0));
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}
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function good5(address _addr) onlyAdmin public{ // non-int/non-uint types are ignored
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addr = _addr;
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}
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}
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