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4 changes: 2 additions & 2 deletions 33_Airdrop/Airdrop.sol
Original file line number Diff line number Diff line change
Expand Up @@ -25,9 +25,9 @@ contract Airdrop {
);
IERC20 token = IERC20(_token); // 声明IERC合约变量
uint _amountSum = getSum(_amounts); // 计算空投代币总量
// 检查:授权代币数量 > 空投代币总量
// 检查:授权代币数量 >= 空投代币总量
require(
token.allowance(msg.sender, address(this)) > _amountSum,
token.allowance(msg.sender, address(this)) >= _amountSum,
"Need Approve ERC20 token"
);

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