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Use address type

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This commit is contained in:
Dora E. Mondrian
2017-10-23 03:06:51 -07:00
committed by GitHub
parent 39d6c92069
commit ca1babe1f7
1 changed files with 2 additions and 2 deletions
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4
contracts/crowdsale/Crowdsale.sol
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@ -44,7 +44,7 @@ contract Crowdsale {
require(_startTime >= now);
require(_endTime >= _startTime);
require(_rate > 0);
require(_wallet != 0x0);
require(_wallet != address(0));
token = createTokenContract();
startTime = _startTime;
@ -67,7 +67,7 @@ contract Crowdsale {
// low level token purchase function
function buyTokens(address beneficiary) public payable {
require(beneficiary != 0x0);
require(beneficiary != address(0));
require(validPurchase());
uint256 weiAmount = msg.value;