Nexus-Contracts

This repo contains Nexus Smart Contracts that are used to enable yield generation of locked eth for Rollups via staking a percentage of ETH locked.

Smart Contracts:

• Nexus: This contract is the core contract that handles all the important functionalities of Nexus Network like:
  • Rollup registration
  • Managing staking limit
  • Depositing validator keys to rollup bridges for activation
  • Depositing validator shares so that SSV node operators can start validating
  • Validator key exit management
• NodeOperator: This contract is responsible for NodeOperator Onboarding and in future will be used for monitoring as well.
• NexusBridge: This contract contains the minimalist change needed for onboarding any rollup. Rollup has 3 choices as of now for bridge design:
  • DAO bridge: In this scenario, all the validator rewards are given back to the DAO
• Withdrawal: This is contract that is created for rollups when they register with Nexus Network. This contract receives rewards that are earned by validators created through their bridge contract.

Testing and Deploying

Testing:

• For testing the contracts one would need to enable forking in hardhat config

    networks: {
      hardhat: {
        forking: {
          enabled: true,
          url: process.env.GOERLI_URL || "",
        },
      }
    }

• You can run the following command to run the unit test cases

npm run test:all

Deploying:

• Local network

npm run deploy:local

• Goerli network

npm run deploy:goerli

• For verifying the contracts:

npm run verify:goerli

All the contracts address after deployment are stored in output_network.json