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Fallback.sol
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32 lines (28 loc) · 754 Bytes
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.21;
contract Fallback {
/* Acionar fallback() ou receive()?
Receber ETH
|
msg.data está vazio?
/ \
Sim Não
/ \
receive() existe? fallback()
/ \
Sim Não
/ \
receive() fallback
*/
// Definir evento
event receivedCalled(address Sender, uint Value);
event fallbackCalled(address Sender, uint Value, bytes Data);
// Receber o evento "Received" ao receber ETH
receive() external payable {
emit receivedCalled(msg.sender, msg.value);
}
// fallback
fallback() external payable{
emit fallbackCalled(msg.sender, msg.value, msg.data);
}
}