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This commit is contained in:
Jack Bauer
2017-09-19 08:29:03 +02:00
committed by GitHub
parent 1df75a951f
commit 3733c069c9
1 changed files with 3 additions and 5 deletions
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8
contracts/token/StandardToken.sol
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@ -14,7 +14,7 @@ import './ERC20.sol';
*/ */
contract StandardToken is ERC20, BasicToken { contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) allowed; mapping (address => mapping (address => uint256)) internal allowed;
/** /**
@ -70,15 +70,13 @@ contract StandardToken is ERC20, BasicToken {
* the first transaction is mined) * the first transaction is mined)
* From MonolithDAO Token.sol * From MonolithDAO Token.sol
*/ */
function increaseApproval (address _spender, uint _addedValue) function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]); Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true; return true;
} }
function decreaseApproval (address _spender, uint _subtractedValue) function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
returns (bool success) {
uint oldValue = allowed[msg.sender][_spender]; uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) { if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0; allowed[msg.sender][_spender] = 0;