public/subjects/blockchain/register-with-events

Register With Events

In order to facilitate the use of your Smart Contract, you will add events.

Events in solidity are used to facilitate the retrieval of information.

Instructions

Write solidity smart contract RegisterWithEvents that provides:

• The functions addDocument() and getDate() as specified in the prior exercise.
• An event event DocumentAdded(bytes32, uint) that triggers when a new document is added to the register

As in prior exercises, the file must be named register-with-events.sol while the contract is named RegisterWithEvents.

Notions

• Events