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transfer to zero should decerease supply (burn action)

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Ricardo Guilherme Schmidt 2018-06-30 00:44:40 -03:00
parent 264f30ff2b
commit 8b092b421e
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1 changed files with 3 additions and 0 deletions
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contracts/token/StandardToken.sol
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@ -93,6 +93,9 @@ contract StandardToken is ERC20Token {
if (balances[_from] >= _value && _value > 0) { if (balances[_from] >= _value && _value > 0) {
balances[_from] -= _value; balances[_from] -= _value;
balances[_to] += _value; balances[_to] += _value;
if(_to == address(0)) {
supply -= _value;
}
emit Transfer(_from, _to, _value); emit Transfer(_from, _to, _value);
return true; return true;
} else { } else {