GnoSwap Contracts

This repository contains smart contracts (realms) for GnoSwap.

Index

Setting Up and Testing GnoSwap Contracts
Realms

Setting Up and Testing GnoSwap Contracts

There are two ways to set up GnoSwap contracts: using the provided setup script or manually following the steps below.

Prerequisites

GNU Make 3.81 or higher
Latest version of gno.land
Python 3.12 or higher

Using the Setup Script

Note: If you're using the script, you don't need to manually perform the steps listed in the next section.

For convenience, we provide a Python script that automates the setup process. This script can clone the repository, copy contracts, and move test files as needed.

To set up in your home directory without cloning the repository:
```
python3 setup.py
```
To set up in a specific directory without cloning:
```
python3 setup.py -w /path/to/workdir
```
To clone the repository and set up in your home directory:
```
python3 setup.py -c
```
To clone the repository and set up in a specific directory:
```
python3 setup.py -w /path/to/workdir -c
```

Options:

-w or --workdir: Specify the working directory (default is your home directory)
-c or --clone: Clone the gnoswap repository before setting up

The script will perform all necessary steps to set up the GnoSwap contracts in the specified directory.

Setting Up GnoSwap Contracts Manually

This section guides you through the process of setting up GnoSwap contracts. The process involves three main steps: cloning the gnoswap repository, copying the contracts to the gno directory, and moving test cases to their respective directories.

To set up GnoSwap contracts in Gno Core, follow these steps:

Clone the gnoswap contracts repository:

Tip: If $WORKDIR is home directory, then $WORKDIR is ~/.
```
cd $WORKDIR
git clone https://github.com/gnoswap-labs/gnoswap.git
cd gnoswap
```

Copy the gnoswap contracts into the cloned gno repository:

# make some directory
mkdir -p $WORKDIR/gno/examples/gno.land/r/gnoswap/v1
mkdir -p $WORKDIR/gno/examples/gno.land/p/gnoswap

# copy grc20 tokens
cp -R __local/grc20_tokens/* $WORKDIR/gno/examples/gno.land/r/

# copy gnoswap base packages ( includes uint256, int256 and bit of pool calculation )
cp -R _deploy/p/gnoswap/* $WORKDIR/gno/examples/gno.land/p/gnoswap

# copy gnoswap base realms ( includes common logic, variables and consts )
cp -R _deploy/r/gnoswap/* $WORKDIR/gno/examples/gno.land/r/gnoswap/v1

# copy gnoswap realms
cp -R community_pool emission pool position protocol_fee router staker $WORKDIR/gno/examples/gno.land/r/gnoswap/v1

Move all test cases into its own directory:

Move the test cases for each contract to their respective directories. It's not necessary to move all tests; you can selectively move only the tests you need. However, files containing VARS_HELPERS in their name must be moved.

cd $WORKDIR/gno/examples/gno.land/r/gnoswap/v1/{name}
mv tests/* .

For example, to move all tests for the pool realm:

cd $WORKDIR/gno/examples/gno.land/r/gnoswap/v1/pool
mv tests/* .

Other realms can be moved in a similar way.

Running Tests

While it's possible to run tests in the cloned gno directory (where the above setup process was completed), it's recommended to run them in the gnoswap directory to avoid confusion due to the large number of changed files.

First, navigate to the gno/examples directory:

cd $WORKDIR/gno/examples

Next, move to the Realm directory you want to test (such as pool, staker, etc.), then run the tests using the gno test command:

gno test -root-dir $WORKDIR/gno -v=false ./gno.land/r/gnoswap/v1/pool

Realms

This section provides information about the core realms of GnoSwap that have been deployed.

Core Realms Deployed on Testnet4

pool: gno.land/r/gnoswap/v1/pool
position: gno.land/r/gnoswap/v1/position
router: gno.land/r/gnoswap/v1/router
staker: gno.land/r/gnoswap/v1/staker

Pool

Pool is a core component of GnoSwap, a smart contract that facilitates liquidity provision and trading between two GRC20 tokens. Each pool has a unique token pair, fee tier, and customizable liquidity range, leveraging Uniswap V3's concentrated liquidity mechanism.

Key features:

Composed of two GRC20 tokens.
Allows liquidity provision within a user-defined, customizable price range.
Supports various fee tiers, suitable for different trading strategies.
Dynamically adjusts liquidity according to price fluctuations.

Position

Position is a GRC721 NFT (non-fungible token) representing the liquidity provider's (LP's) unique liquidity position. Each position has the following key functions and properties:

Minting: Users can create a new position by providing liquidity within a specific price range.
Liquidity Increase/Decrease: The liquidity of an existing position can be increased or decreased.
Fee Collection: Trading fees generated by the position can be collected.
Repositioning: The price range of an existing position can be adjusted.

Each position has unique characteristics, making it non-fungible. Positions store information such as the owner's address, price range (upper and lower ticks), amount of liquidity and accumulated fees.

Within the same pool, the liquidity of position with overlapping price range is merged within the same tick. This structure allows for more precise control of liquidity provision and better capital efficiency.

Router

The Router in GnoSwap is responsible for executing token swaps and managing swap routes. It provides the following key functionalities:

SwapRoute: Executes token swaps based on specified routes and swap types (EXACT_IN or EXACT_OUT). It handles single and multi-hop swaps, supporting up to 3~7 routes.
DrySwapRoute: Simulates swap routes without executing the actual swap. useful for estimating swap outcomes.
Fee Management: Implements a protocol fee for swaps, which can be adjusted by admin or governance.
Support for both native GNOT and wrapped WUGNOT tokens.

The Router plays a role by efficiently routing trades and ensuring optimal execution of swaps across various liquidity pools.

Staker

The Staker manages LP token staking and reward distribution. It offers the following key functionalities:

Stake Token: Allows users to stake LP tokens, enabling them to earn rewards.
Collect Reward: Enables stakers to collect accumulated rewards from their staked positions.
Unstake Token: Allows users to withdraw their staked LP tokens and collect all accumulated rewards.
Create External Incentive: Permits users to create additional reward incentives for specific liquidity pools.
End External Incentive: Allows the creator or admin to terminate an external incentive and refund remaining rewards.

Key features of the Staker include:

Support for both internal (protocol-native) and external (user-created) incentives.
Flexible reward distribution mechanisms for different incentive types.
Safety checks to ensure proper staking, unstaking, and reward collection processes.
Management of GNS token emissions for internal rewards.
Handling of native GNOT and wrapped WUGNOT tokens for rewards.

The staker is a crucial components for GnoSwap's tokenomics by incentivizing liquidity provision and allowing for community-driven reward programs. It enhances the overall ecosystem by promoting long-term liquidity.

License

onlyhyde/gnoswap

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