文件列表:

.babelrc (50, 2022-02-24)
LICENSE.txt (1071, 2022-02-24)
imgs/ (0, 2022-02-24)
imgs/buy.png (69619, 2022-02-24)
imgs/main.png (67632, 2022-02-24)
imgs/sell.png (69793, 2022-02-24)
migrations/ (0, 2022-02-24)
migrations/1_initial_migration.js (125, 2022-02-24)
migrations/2_deploy_contracts.js (444, 2022-02-24)
package-lock.json (893441, 2022-02-24)
package.json (991, 2022-02-24)
public/ (0, 2022-02-24)
public/favicon.ico (169597, 2022-02-24)
public/index.html (1617, 2022-02-24)
public/manifest.json (305, 2022-02-24)
src/ (0, 2022-02-24)
src/catto-logo.png (4884, 2022-02-24)
src/components/ (0, 2022-02-24)
src/components/App.css (21, 2022-02-24)
src/components/App.js (3827, 2022-02-24)
src/components/BuyForm.js (2559, 2022-02-24)
src/components/Main.js (1461, 2022-02-24)
src/components/Navbar.js (1042, 2022-02-24)
src/components/SellForm.js (2562, 2022-02-24)
src/contracts/ (0, 2022-02-24)
src/contracts/CattoToken.sol (1564, 2022-02-24)
src/contracts/EthSwap.sol (1726, 2022-02-24)
src/contracts/Migrations.sol (515, 2022-02-24)
src/eth-logo.png (4472, 2022-02-24)
src/index.js (483, 2022-02-24)
src/logo.png (49883, 2022-02-24)
src/serviceWorker.js (4951, 2022-02-24)
test/ (0, 2022-02-24)
test/EthSwap.test.js (4006, 2022-02-24)
truffle-config.js (402, 2022-02-24)

Table of Contents

1. About The Project
   • Built With
2. Getting Started
   • Installation
3. Usage
4. Roadmap
5. License
6. Contact

## :computer: About The Project   Instant decentralized cryptocurrency exchange powered by the ethereum blockchain that allows for ERC20 cryptocurrency transactions to take place at a fixed price

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### Built With * [Solidity](https://docs.soliditylang.org/en/v0.8.12/) * [web3.js](https://web3js.readthedocs.io/en/v1.7.0/) * [Truffle](https://trufflesuite.com) * [Chai.js](https://www.chaijs.com) * [Identicon.js](https://github.com/stewartlord/identicon.js/tree/master) * [React.js](https://reactjs.org/) * [Node.js](https://nodejs.org/en/)

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## :hammer_and_wrench: Getting Started ### Installation 1. Clone the repo ```sh git clone https://github.com/gumastro/dex.git ``` 2. Install NPM packages ```sh npm install ``` 3. Open Ganache and run the migrations ```sh truffle migrate --reset ``` 4. Start NPM packages ```sh npm run start ``` 5. Import an address to Metamask * Make sure your Metamask is connected to the right network (same as Ganache test network) * RPC URL `http://localhost:7545` * Chain ID `1337` 6. Swap!

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## :star2: Usage ### Buy 1. Click on Buy option 2. Select desired amount of Ether to pay 3. Click on Swap!   4. Confirm transaction on Metamask pop-up 5. Enjoy your tokens! ### Sell 1. Click on Sell option 2. Select desired amount of Catto to sell 3. Click on Swap!   4. Give permission to access your Catto on Metamask pop-up 5. Confirm transaction on Metamask pop-up 6. Enjoy your tokens!

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## :white_check_mark: TODO - [ ] Add fee exchange to collect profit - [ ] Make exchange rate dynamic - [ ] Support multiple tokens

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## :memo: License Distributed under the MIT License. See `LICENSE.txt` for more information.

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## :mailbox: Contact Gustavo Tuani Mastrobuono - gumastro@usp.br

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[dex-catto-screenshot]: imgs/main.png [buy-catto-screenshot]: imgs/buy.png [sell-catto-screenshot]: imgs/sell.png

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