Overview

OxiSwap CryptoSwap Contract

Key Components

  1. Router Contract (crypto-router) - Go to Router Contract

  2. Factory Contract (crypto-factory) - Go to Factory Contract

  3. Pair Contract (crypto-pair) - Go to Pair Contract

Features

  • Token swaps

  • Liquidity provision

  • Automated market making

  • Fee collection

Router Contract

The Router contract is the main entry point for users to interact with OxiSwap. It handles:

  • Adding and removing liquidity

  • Token swaps (exact input and exact output)

  • Quote calculations

  • Path-based multi-hop swaps

Factory Contract

The Factory contract is responsible for:

  • Creating new trading pairs

  • Managing the list of all trading pairs

  • Setting and updating fee parameters

Pair Contract

The Pair contract implements the core AMM (Automated Market Maker) logic:

  • Minting and burning liquidity tokens

  • Executing swaps

  • Maintaining reserves and price accumulators

  • Implementing the constant product formula (x * y = k)

Key Functions

Router

  • add_liquidity: Add liquidity to a trading pair

  • remove_liquidity: Remove liquidity from a trading pair

  • swap_exact_input: Swap a fixed input amount for a minimum output amount

  • swap_exact_output: Swap a maximum input amount for a fixed output amount

Factory

  • create_pair: Create a new trading pair

  • get_pair: Retrieve the asset ID for a trading pair

  • all_pairs_length: Get the total number of trading pairs

Pair

  • mint: Mint liquidity tokens when adding liquidity

  • burn: Burn liquidity tokens when removing liquidity

  • swap: Execute a token swap

  • get_reserves: Retrieve the current reserves of a trading pair

Security

OxiSwap implements several security measures:

  • Reentrancy protection

  • Overflow checks

  • Deadline checks for transactions

  • Minimum liquidity requirements

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