Techne Bronze Speedrun (Launchpad)
Requirements
Obol Techne Bronze Credentials require node operators to run 50 testnet validator keys as a distributed validator cluster for 3 weeks, where Obol will fund the testnet ETH required to activate the validator keys.
Hardware (Holesky)
CPU: 4 cores
RAM: 16GB
SSD: 350GB
OS: Ubuntu 24.04
Install dependencies
Install Docker.
Exit and re-login.
Generate your Obol ENR
You should expect to see a console output like this:
Save the ENR public key
in a text file on your laptop. You will need to use this in the next section.
The ENR public key
is denoted as enr:-JG4QGQpV4qYe32QFUAbY1UyGNtNcrVMip83cvJRhw1brMslPeyELIz3q6dsZ7GblVaCjL_8FKQhF6Syg-O_kIWztimGAYHY5EvPgmlkgnY0gmlwhH8AAAGJc2VjcDI1NmsxoQKzMe_GFPpSqtnYl-mJr8uZAUtmkqccsAx7ojGmFy-FY4N0Y3CCDhqDdWRwgg4u
in the example output above.
Restarting from scratch
If you want to redo the whole process, remove the existing charon-distributed-validator-node
folder before re-running the set of commands above.
Register your ENRs
Appoint a cluster leader among your cluster.
The cluster leader will collect the wallet addresses of all members and configure the parameters of your cluster on the Obol Launchpad.
Select Create a cluster with a group >> read, click through, & sign the disclaimers with your wallet
Choose your cluster name and size (4, 7, or 10)
Input the wallet address of each operator
Set validators field to 50 (i.e., generate 50 validator keys)
Select
SPLIT ONLY REWARDS
under Withdrawal Configuration.Set the
Principal Recipient
to0x17E6F6270A101dc7687Cc9899889819EeAF8253f
because we want Obol to fund our testnet validators.Input the wallet addresses and the percentage split of each operator
Deploy 'Split Rewards' Contract
(1 transaction) >>Confirm and sign
(3 transactions)
Copy the group invite link and share it with your other cluster members.
They will need to accept the cluster configuration, input their respective ENR Public Keys
, and then sign a message (2 transactions) with their respective wallet addresses set during the cluster creation step.
DKG Ceremony
Once all members have accepted the cluster configuration, everyone can now proceed to the distributed key generation (DKG) phase.
Each cluster member copies the DKG command generated for them and runs it on their own machine.
All cluster members need to run the DKG service within 30 minutes of one another and keep it running until the ceremony is complete.
Once the DKG ceremony is completed, back up the .charon
folder containing the following important files:
charon-enr-private-key
cluster-lock.json
cluster-definition.yml
validator_keys/
deposit-data.json
Then, set the following permissions.
Set up ETH Docker
Each cluster member needs to spin up a "vanilla" validator node.
Changes to note:
Set the
Reward Address
to your cluster's Splitter contract.
Edit the configuration file
Edit the .env
file in the eth-docker
folder.
Append
:lido-obol.yml
in theCOMPOSE_FILE
line.
Example:
Change the
CL_NODE
line to http://charon:3600 (from http://consensus:5052)
Example:
CTRL+O
, ENTER
, CTRL+X
to save and exit.
Start your Obol-enabled validator node
Migrate .charon contents into ETHDocker.
Start ETH Docker.
After all your services running via Docker "warmed up" for ~5 minutes, import your validator key shards.
Monitoring Charon
Print Obol's Charon logs.
Other monitoring commands under "View Logs" section of the overall ETH Docker page.
Grafana Dashboards
Open up a browser webpage and enter the following URL.
Enter "admin" for both the username and password.
Navigate to
Dashboards
. The 2 most common dashboards when running Obol DVTs areCharon Log Dashboard
andCharon Overview
Register your cluster for funding
Cluster leader to fill up the Obol Techne Credentials registration form here.
Copy and paste the cluster-lock.json
and deposit-data.json
files from your node to a text editor your laptop so that you can upload them easily onto the form.
Securing your device
Firewall Rules
Other Security SOPs
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