26 lines
669 B
Solidity
26 lines
669 B
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity >=0.4.22 <0.9.0;
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import "./BaseContract.sol";
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import "./Bank.sol";
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contract ATM is BaseContract{
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Bank public bank;
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event Withdraw(address from, uint amount, uint balance );
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constructor(address bank_addr) {
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bank = Bank(payable(bank_addr));
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}
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function withdraw(uint amount) public {
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require(amount<=0.1 ether, "You cannot withdraw more than 0.1 ether");
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if(address(this).balance <= 0.1 ether) {
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bank.withdraw(0.5 ether);
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}
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payable(msg.sender).transfer(amount);
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emit Withdraw(msg.sender, amount, address(this).balance);
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if(address(this).balance <= 0.1 ether) {
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bank.withdraw(0.5 ether);
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}
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}
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}
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