Install package

yarn

Create .env file from .env.example

Fill value in .env file:

1. ACC_PRIVATE_KEY: account deploy all contract and also set as a admin role. Need deposit ETH in it to deploy.
2. CHN_ADDRESS: address reward token, default is CHN address.
3. REWARD_PER_BLOCK: reward per block while staking contract running. It will be divided among users by weight.
4. START_BLOCK: Contract staking will start in this block
5. MULTIPLIER: In order to incentive user staking soon, staking contract will bonus reward from START_BLOCK to END_BONUS_BLOCK.
6. END_BONUS_BLOCK: Time bonus will end in this block.

Compile

yarn hardhat compile

Deploy + verify:

yarn hardhat deploy --reset --tags deploy-verify  --network rinkeby

You need deposit reward into contract after deploy.