Created using OpenZeppelin ERC20 Smart Contract and ERC20Burnable extension.

Inspired by Patrick Collins' DeFi-minimal Staking.sol.

1. Deposit the ERC20 Token and gain a fixed APR calculated hourly.
2. Compound your rewards.
3. Claim your rewards.
4. Withdraw a part of deposit.
5. Withdraw all(your deposit + rewards).

1. Set a fixed APR.
2. Set a minimum stake amount.
3. Set compounding frequency limit.

• Python
• Brownie

python3 -m pip install --user pipx
python3 -m pipx ensurepath
# restart terminal
pipx install eth-brownie

• A free Infura Project Id key for Rinkeby Network

Clone this repo:

git clone https://github.com/andreitoma8/ERC20-Staking
cd ERC20-Staking

• Add a .env file with the same contents of .env.example, but replaced with your variables.

• Run the command:

brownie run scripts/deploy.py --network rinkeby

The script will deploy the token, mint 1.000.000 for yourself and verify the Smart Contract on .rinkeby.etherscan.io

0xA4Ad17ef801Fa4bD44b758E5Ae8B2169f59B666F

• Ganache CLI

npm install -g ganache-cli

or, if you are using Yarn

yarn global add ganache-cli

• NodeJS. To verify NodeJS installation run

node --version

• Run the command:

brownie test testes/test.py

The test will assert the following:

1. Contract deployment
2. Initial staking transaction
3. Rewards calculation in 100 H
4. Compound rewards transaction
5. Withdraw rewards transaction
6. Withdraw all transaction