chapter22-code-3
Thu Mar 30 2023 11:33:51 GMT+0000 (Coordinated Universal Time)
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@RareSkills
contract SaveMoney {
function withdrawMoney() public payable {
require(msg.sender == 0x5B38Da6a701c568545dCfcB03FcB875f56beddC4, "not the first remix address");
msg.sender.call{value: viewBalance()}("");
}
function viewBalance() public view returns (uint256) {
return address(this).balance;
}
// anyone can send
receive() external payable {
}
}
content_copyCOPY
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