Vesper Rewarder

This repository contains the Vesper rewarder contract for Sushi 2x rewards.

Overview

The VesperRewarder contract implements double incentive mechanism for SushiSwap farm feature. Whenever a user interacts with the MasterChefV2 contract (that handle 2x rewards farming pools), the VesperRewarder.onSushiReward() function is called, and, that function calculates the VSP reward amount based on how much SLP token he staked and send it to the user.

See more: https://dev.sushi.com/sushiswap/contracts/masterchefv2/adding-double-incentives

Environment

nvm use

Install

npm i

Test

export NODE_URL=<eth mainnet url to fork from>
export BLOCK_NUMBER=<eth mainnet block number> # Last block forked was 13597000

or by creating a .env file (use .env.example as reference)

npm t

Deploy

1. Env setup

export NODE_URL=<eth mainnet url>
export MNEMONIC=<deployer mnemonic phrase>
export DEPLOYER=<deployer address> # If empty, the script will use the accounts[0]

or by creating a .env file (use .env.example as reference)

2. Deployer account setup

Check the hardhat.config.ts file and uncomment the accounts param accordingly

3. Run deployment script

npm run deploy -- --gasprice <gas price in wei> --network <network>

Verify

After the deployment, use the hardhat-etherscan plugin to verify the deployed contracts

npm run verify -- --network <network>