VaporFi Solidity Challenge

Welcome!

You've come here to prove your solidity knowledge. This is a sample hardhat project where you can implement your solution that our engineering team will review.

Do NOT use external libraries or frameworks

Instructions

1. Clone this in a private repository
2. Implement your solution
3. Attach your CV
4. Give read permissions to "vaporengineering"

Challenge

Create a smart contract capable of Create, Read, Update and Delete a list of Memberships that contains the following fields

• creation date
• expiration date
• address
• username

Your smart contract needs to be able to:

• Create one or more memberships
• Get a membership by id
• Update a membership by id
• Delete a membership by id
• A member can only change his username
• All membership expires 30 days after creation

Bonus points

• Add tests
• Use upgradable pattern
• Gas optimizations