Bunicorn
Launch Testnet App
  • What is Bunicorn?
  • Introduction
    • AMM DEX
    • Liquidity Mining
    • NFT Collectibles
  • Getting Started
    • Wallets that Bunicorn supports
    • Get BEP20 Tokens
    • Connect your wallet
    • Bunicorn testnet 101
  • Bunicorn Exchange TUTORIAL
    • Tutorial for Trader
    • Tutorial for Liquidity Provider
      • Setup Proxy
      • Swap native BNB to WBNB to farm
      • How to Add Liquidity on Bunicorn
        • How to add liquidity to a Flexible pool?
        • How to add liquidity to a Stable Pool?
      • How to create a new Flexible pool?
        • How to Create a New Smart Pool
        • How to Create a New Shared Pool
      • How to Remove Liquidity
    • How to Join Token Play Farms
      • Stake LPs to Token Play Farm
      • Stake Single Asset $TOP
    • How to Join Ancient Buni NFT Farms
      • NFT Farm Ends. What should I do?
      • Stake LPs to Join the Ancient Buni Farm
      • Stake Single Asset
      • Harvest NFTs (Ancient Buni)
      • How to transfer Ancient BUNI NFTs to another address?
    • How to Join Bunicorn NFT Farms
      • Prestaking Farm Ends. What's next?
      • Stake LP to Join NFT Farms
      • Stake Single Asset
      • Harvest NFTs (Chest/Egg)
      • How to unlock ingame items from Chest/Egg NFTs
      • How to Transfer Egg/Chest NFTs to another address
    • Fee Structure
  • FAQ
    • What is a Flexible Pool?
    • What is a Stable Pool?
    • Can users create Stable pools themselves?
    • Are there any constraints for setting up a Bunicorn Flexible pool?
    • What are the advantages of a Stable Pool?
  • Glossary
  • SMART CONTRACTS
    • Flexible Pools
      • Exchange Proxy
      • Smart Order Router
      • On Chain Registry
      • Smart Pools
        • Overview
        • Configurable Rights Pool
        • Component Libraries
          • Rights Manager
      • Interfaces
      • Addresses
      • Events
      • API Index
    • Stable Pools
      • Pool Addresses
      • Swap Execution
      • Providing Liquidity
      • Flash Swaps
      • Contract Addresses
      • BuniCornRouter02
      • Pool
      • Pool (ERC-20)
      • Library
  • Subgraph API
    • Stable Pools
      • Entities
      • Sample queries
    • Flexible Pools
      • Entities
      • Sample queries
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  1. SMART CONTRACTS
  2. Flexible Pools

Events

Events

LOG_CALL is an anonymous event which uses the function signature as the event signature. It is fired by all stateful functions. The following applies to Flexible Core pools. Smart Pools have similar events and modifiers.

event LOG_CALL(
    bytes4  indexed sig,
    address indexed caller,
    bytes           data
) anonymous;

LOG_SWAP is fired (along with LOG_CALL) for all swap variants.

event LOG_SWAP(
    address indexed caller,
    address indexed tokenIn,
    address indexed tokenOut,
    uint256         tokenAmountIn,
    uint256         tokenAmountOut
);

LOG_JOIN and LOG_EXIT are fired for each individual token join / exit

event LOG_JOIN(
    address indexed caller,
    address indexed tokenIn,
    uint256         tokenAmountIn
);

event LOG_EXIT(
    address indexed caller,
    address indexed tokenOut,
    uint256         tokenAmountOut
);

Mutex

All stateful functions use either a lock or viewlock function modifier. A mutex places a lock on contract state and prevents any sort of re-entrancy.

modifier _lock_() {
    require(!_mutex, "ERR_REENTRY");
    _mutex = true;
    _;
    _mutex = false;
}

modifier _viewlock_() {
    require(!_mutex, "ERR_REENTRY");
    _;
}
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Last updated 3 years ago

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