Notepad Smart Contract on Aleo

[Discord: dmitrydeki]

deki_quiz: A Simple Quiz Smart Contract on Aleo

Overview

deki_quiz is a smart contract built on the Aleo platform, which provides a basic quiz game functionality. The contract allows users to add questions to a quiz, take the quiz, and then request their score.

Structures

• String:

  • A custom string representation that holds up to 32 characters.
  • Each u128 field can store a segment of the string.

• Question:

  • Represents a question in the quiz.
  • question_text: The text of the question, up to 32 characters.
  • correct_answer: The correct answer index (0-3).

Functionalities

1. Add a new question:

Allows users to add a new question to the quiz.

Inputs:

• q_text: The question text wrapped in the custom String structure.
• answer: The correct answer index (0-3).
• q_id: A unique identifier for the question.

2. Take the quiz:

Allows a user to take a question from the quiz.

Inputs:

• user_address: The Aleo address of the user.
• answer: User's chosen answer index (0-3).
• q_id: The ID of the question being answered.

3. Request score:

Allows a user to request their score for the quiz.

Inputs:

• user_address: The Aleo address of the user.

Sample Inputs:

Here's a sample of how to structure the inputs for each transition:

[add_question]
new_note: String = String { data0: 1231234u128, data1: 12312313u128, data2: 0u128, ... };
answer: u8 = 1u8;
q_id: u8 = 1u8;

[take_quiz]
user_address: address = aleo1875942p6nxagsxrd4kj0cx3yeg8undscgc60vlvsazfdudpxeggqp8hr5v;
answer: u8 = 1u8;
q_id: u8 = 1u8;

[request_score]
user_address: address = aleo1875942p6nxagsxrd4kj0cx3yeg8undscgc60vlvsazfdudpxeggqp8hr5v;

Conclusion

deki_quiz is a basic quiz game on the Aleo platform. Users can interact with the contract by adding questions, taking the quiz, and requesting their score. This contract provides a simple demonstration of Aleo's capabilities for building decentralized applications with user interactions.