Events
Events write a cheap log that off-chain clients can read.
What you will be able to do
- Declare with event.
- Emit after a state change.
- Index fields you filter on.
In plain English
Events write a cheap log that off-chain clients can read.
- Declare with event.
- Emit after a state change.
- Index fields you filter on.
pragma solidity ^0.8.24;
contract Registry {
event Saved(address indexed who, string slug);
function save(string calldata slug) external {
emit Saved(msg.sender, slug);
}
}Your turn
EasyExplain it back
Answer from memory: Why emit an event?
TEXT · starter
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Knowledge checkQuestion 1
Why emit an event?
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