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EigenLayer Holešky Operatör Installation

Updating the System​

apt update && apt upgrade -y

Installing the Necessary Libraries​

apt install make clang pkg-config libssl-dev libclang-dev build-essential git curl ntp jq llvm gcc -y < "/dev/null"

Installing Go​

ver="1.21.6"
wget "https://golang.org/dl/go$ver.linux-amd64.tar.gz"
rm -rf /usr/local/go
tar -C /usr/local -xzf "go$ver.linux-amd64.tar.gz"
rm -rf "go$ver.linux-amd64.tar.gz"
echo 'export GOROOT=/usr/local/go' >> $HOME/.bash_profile
echo 'export GOPATH=$HOME/go' >> $HOME/.bash_profile
echo 'export GO111MODULE=on' >> $HOME/.bash_profile
echo 'export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin' >> $HOME/.bash_profile
source $HOME/.bash_profile
go version

Installing CLI from Source​

cd $HOME
git clone https://github.com/Layr-Labs/eigenlayer-cli.git
cd eigenlayer-cli
mkdir -p build
go build -o build/eigenlayer cmd/eigenlayer/main.go
cd $HOME
cp eigenlayer-cli/build/eigenlayer /usr/local/bin/

Create and List Keys​

Creating New Key​

We create two keys here. If you have installed it before, proceed to the import step.

The areas you need to change are written below:

  • KEY_NAME: your key name. Give your key a name.
warning

Enter the codes below one by one, set your password and keep the outputs in a safe place.

Create ECDSA Key​

eigenlayer operator keys create --key-type ecdsa KEY_NAME

Create BLS Key​

eigenlayer operator keys create --key-type bls KEY_NAME

Import Keys​

The areas you need to change are written below:

  • KEY_NAME: your key name. Give your key a name.
  • PRIV_KEY: private key of your key
eigenlayer operator keys import --key-type ecdsa KEY_NAME PRIV_KEY
eigenlayer operator keys import --key-type bls KEY_NAME PRIV_KEY

Listing Keys​

This is the command you can use to retrieve a list of the keys you have created with the EigenLayer cli tool.

eigenlayer operator keys list
info

Save your Ethereum address or import it in your wallet. We will request testnet ETH to this wallet.

Export keys​

If you want to see the private key of the existing keys, you can use the below command. This will only work if your keys are in default location (~/.eigenlayer/operator_keys)

Export ECDSA Key​

eigenlayer operator keys export --key-type ecdsa KEY_NAME

Export BLS Key​

eigenlayer operator keys export --key-type bls KEY_NAME

Obtaining Holešky ETH​

Obtain test ETH using PoW Faucet.

Operator Registration​

Creating Config Files​

eigenlayer operator config create
  • In the Would you like to populate config files question, first press y and then press enter.
  • In the Enter your operator address and Enter your earning address questions, type your Ethereum address given when creating the ECDSA key.
  • In the Enter your ETH rpc url: question, type: https://ethereum-holesky-rpc.publicnode.com
  • In the Enter your ecdsa key path question, type the path specified in the output when you entered the eigenlayer operator keys list code above.

Create metadata.json File​

Create a metadata.json file with the codes below and upload this file to github or if you have a site, where it can be accessed by everyone. You can use your github account for this.

{
  "name": "YOUR_OPERATOR_NAME",
  "website": "YOUR_WEBSITE_ADDRESS",
  "description": "DESCRIPTON_SLOGAN_ETC",
  "logo": "YOUR_LOGO_LINK",
  "twitter": "YOUR_TWITTER_ADDRESS"
}

Edit operator.yaml File​

nano operator.yaml

In this file, we only edit the following section.

We add the link to the metadata.json file we created above.

.
.
.
metadata_url: "https://your-address.com/metadata.json"
.
.
.

Registration​

warning

MAKE SURE YOU HAVE ETH IN YOUR WALLET BEFORE GOING TO THE NEXT STEP.

eigenlayer operator register operator.yaml

After entering this code, we wait a bit. Once the transaction is successful it will give us our TX Hash id. You can check this in explorer.

After a while, your operator will start to appear at this address.

Checking Status of Registration​

eigenlayer operator status operator.yaml

Metadata Updates​

If you update your metadata.json file to make a change in your operator information. Perform this update on the network with the code below.

eigenlayer operator update operator.yaml