Swap DApp

This repository contains a Solana on-chain program, Swap DApp, implemented using the Anchor framework. The program facilitates secure token swapping through vault-based token handling and offer management.

Features

• Make Offer:

  • Create a new token swap offer.
  • Lock the offered tokens in a secure vault.

• Take Offer:

  • Accept and fulfill an existing token swap offer.
  • Exchange tokens securely between the maker and taker.

Program Workflow

1. Make an Offer

The MakeOffer instruction allows a user (maker) to:

• Create a new swap offer with specific token requirements.
• Lock the offered tokens in a vault.

Key Functions:

• send_offered_tokens_to_vault: Transfers tokens from the maker to the vault.
• save_offer: Stores offer details on-chain.

2. Take an Offer

The TakeOffer instruction allows another user (taker) to:

• Accept and fulfill an existing swap offer.
• Exchange tokens and handle vault operations.

Key Functions:

• send_wanted_token_to_maker: Transfers tokens from the taker to the maker.
• withdraw_and_close_vault: Withdraws tokens from the vault to the taker and closes the offer.

Technology Stack

• Rust: High-performance programming language for Solana smart contracts.
• Anchor: Framework for building efficient and secure Solana programs.
• Token Program: SPL token standard for token management.