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Description

This project is intended to provide an easy and efficient way to exchange tokens and XTZ on Tezos blockchain in a wide number of directions. Using smart contracts listed in this repo users can add their tokens to exchange, provide liquidity, and potentially make a profit in a fully decentralized way.

The current implementation supports FA1.2 and FA2.

Architecture

Architecture

The solution consists of 6 types of contracts:

  1. Factory - singleton used to deploy new TokenX-XTZ exchange pair;
  2. Dex - contract for TokenX-XTZ pair exchanges;
  3. TTDex - contract for TokenX-TokenY pair exchanges;
  4. Token - FA token implementation.
  5. BakerRegistry - bakery registrar.
  6. MetadataStorage - contract to store and upgrade the shares token metadata.

Project structure

.
β”œβ”€β”€  ci/ # scripts for continues integration
β”œβ”€β”€  contracts/ # contracts
|──────── main/ # the contracts to be compiled
|──────── partial/ # the code parts imported by main contracts
β”œβ”€β”€  test/ # test cases
β”œβ”€β”€  storage/ # initial storage for contract originations
β”œβ”€β”€  scripts/ # cli for dex/factory actions
β”œβ”€β”€  test.md # cases covered by tests
β”œβ”€β”€  README.md # current file
β”œβ”€β”€  .env
β”œβ”€β”€  .gitignore
β”œβ”€β”€  package.json
└──  Architecture.png

Prerequisites

  • Installed NodeJS (tested with NodeJS v12+)

  • Installed Yarn (NPM isn't working properly with ganache-cli@6.11.0-tezos.0)

  • Installed Ligo:

curl https://gitlab.com/ligolang/ligo/raw/dev/scripts/installer.sh | bash -s "next"
  • Installed node modules:
cd quipuswap-core && yarn
  • Configure truffle-config.js if needed.

Quick Start

To compile and deploy contracts to Delphinet

  1. Chose configure the version - FA12 or FA2 - by setting EXCHANGE_TOKEN_STANDARD in .env and run:
yarn migrate

For other networks:

yarn migrate --network NAME

Usage

Contracts are processed in the following stages:

  1. Compilation
  2. Deployment
  3. Configuration
  4. Interactions on-chain

As the Quipuswap supports 2 token standards that vary only in the token interface implementation and the inter contract communication between Dex and external tokens, the shared codebase is used. Therefore to work with the specific standard version, you should configure it by setting EXCHANGE_TOKEN_STANDARD in .env to either FA12 or FA2.

Compilation

To compile the contracts run:

yarn compile

Artifacts are stored in the build/contracts directory.

Deployment

For deployment step the following command should be used:

yarn migrate

Addresses of deployed contracts are displayed in terminal. At this stage, new MetadataStorage, Factory are originated. Aditionaly, for testnets two new pairs are deployed.

Testing

If you'd like to run tests on the local environment, you might want to run ganache-cli for Tezos using the following command:

yarn start-sandbox

Truffle framework is used for testing. Run:

yarn test

NOTE: if you want to use a different network, configure truffle-config.js. If you need to use a different standard, configure $EXCHANGE_TOKEN_STANDARD in .env

About

πŸ§™β€β™‚οΈ Repository containing QuipuSwap liquidity protocol smart-contracts written in Ligo language

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