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EigenLayer Node Operator Guide

Introduction

Welcome to the EigenLayer Node Operator Guide. This step-by-step tutorial will assist you in setting up and running a node on EigenLayer.

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Setting Up Your Node

Choosing a VPS

Get a VPS, for Operators there is no minumum config mentioned but if you want to do AVS, for optimal performance, following minimum specifications:

  • vCPUs: 16
  • Memory: 32GB
  • Storage: 3.6T (High-performance SSD)
  • Network Utilization: 24 Mbps download, 120 Mbps upload, Peak 1 Gbps
  • Suggested EC2 Equivalent: m5.4xlarge

I personally use Hetzner. Here's a referral link that provides €20 credit: Hetzner Cloud.

Operating System Requirements

  • Preferred OS: Ubuntu 22.04
  • Recommended CPU: AMD

Installation Steps

Update Ubuntu

First, update your Linux system:

sudo apt update
sudo apt upgrade

Installing Docker and Docker Compose

Install Docker and Docker Compose using the following commands:

# Adding Docker's GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl gnupg
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg

# Adding Docker repository:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

Verify Docker installation:

sudo docker run hello-world

Next, install Docker Compose:

sudo apt install docker-compose
sudo curl -L https://github.com/docker/compose/releases/download/v2.16.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
docker compose version

You should see: Docker Compose version vX.XX.X

Installing EigenLayer CLI

Download and install the EigenLayer CLI:

curl -L https://github.com/NethermindEth/eigenlayer/releases/download/v0.4.3/eigenlayer-linux-amd64 --output eigenlayer
chmod +x ./eigenlayer

Key Management

Generate your ECDSA and BLS keys using the EigenLayer CLI. Replace [keyname] with your preferred key name.

./eigenlayer operator keys create --key-type ecdsa [keyname]
./eigenlayer operator keys create --key-type bls [keyname]

During this process, the CLI will prompt you to create a password for encrypting your private keys. Ensure this password is secure and stored safely, as it will be needed to access your keys. The output will provide several key details, including the ECDSA Private Key (Hex), Key location, Public Key hex, Operator Ethereum Address, BLS Private Key, BLS Public Key, and their respective locations. It’s crucial to securely save this information.

For key importation guidelines, refer to the EigenLayer Documentation.

Creating Operator Metadata

Prepare your operator metadata and save it as metadata.json, upload it, and get the link. Ensure your logo is in PNG format and that the file is hosted publicly. Example metadata:

{
  "name": "Some operator",
  "website": "https://www.example.com",
  "description": "I operate on some data",
  "logo": "https://www.example.com/logo.png",
  "twitter": "https://x.com/example"
}

Configuring Your Operator

Create and configure your operator settings:

./eigenlayer operator config create

Fill in the details as prompted. Example entries:

Would you like to populate the operator config file? Yes
Enter your operator address: [your operator address from previous steps]
Do you want to gate stakers approval? No
Enter your earnings address (default to your operator address): [your wallet address for earnings]
Enter your ETH rpc url: [e.g., https://rpc.ankr.com/eth_goerli]
Enter your ecdsa key path: [your ecdsa Key location]
Enter your bls key path: [your bls Key location]
Select your network: goerli

Finalizing Operator Setup

Edit the operator.yaml file to include necessary data:

nano operator.yaml

Add the following information, updating the metadata_url and smart contract addresses as needed. Refer to the EigenLayer Operator Guide for the latest addresses.

metadata_url: link to your metadata.json
el_slasher_address: 0xD11d60b669Ecf7bE10329726043B3ac07B380C22
bls_public_key_compendium_address: 0xc81d3963087Fe09316cd1E032457989C7aC91b19

Transfer GoerliETH to your operator address for fees, then execute:

./eigenlayer operator register operator.yaml

Verify your operator status:

./eigenlayer operator status operator.yaml

If the status shows “Operator is registered,” your setup is complete. Check your operator listing at EigenLayer Operator Page.

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