OPCODE-Open-Spring-Fest / database

A database using blockchain technology operates as a decentralized and distributed ledger, where data is securely stored across a network of interconnected nodes. Unlike traditional databases centralized in a single location, blockchain databases are distributed, meaning each participant in the network holds a copy of the database.

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[Feature]: newFeatures #1

Closed MishraSomesh001 closed 7 months ago

MishraSomesh001 commented 7 months ago

So, what is it about?

Smart Contract Features and Enhancements

1. Enhancement: Input roll number and batch number in add person function

Modify the addPerson function to accept parameters for roll number and batch number along with other details.
Update the struct to include roll number and batch number fields.
Modify the storage structure to accommodate roll number and batch number.

2. Enhancement: Instead of mapping with unit=>Details map it with address=>Details

Change the mapping from unit to address in the storage structure.
Ensure that the key for each person's details is their address.

3. Enhancement: One user can input his details only once

Add a check in the addPerson function to ensure that the user has not already added their details.
Maintain a mapping of addresses to a boolean value indicating whether the user has already added their details.

4. Feature: A user can update the details

Implement a function that allows users to update their details.
This function should take the user's address along with updated details as parameters.
Check if the user has already added their details before allowing an update.

5. Feature: A user can view his details

Implement a function that allows users to view their own details.
This function should take the user's address as a parameter and return their details.
Ensure that the function can only be called by the user whose details are being requested.

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