Partial Withdrawal

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Also known as:   Conversion to 0x01 credentials.

Sets a withdrawal address for one or more validators. A validator can have its withdrawal address set only once, so be careful!

Preconditions

• validator setup has been completed
• node server is powered on and running geth (EL), prysm-beacon (CL), and prysm-validator (validator(s)) as services
• EL and CL are fully synced to the Ethereum network and validator(s) are active
• client PC is powered on and able to SSH into the node server
• air-gapped PC is powered on and running live Linux from the Mint USB flash drive created during initial setup
• Data USB drive formatted to EXT4 during validator setup is on-hand

Postconditions

• validators will still be active, but their balances in excess of the staked 32 ETH will be periodically withdrawn to the wallet address specified by the withdrawal variable in env.sh

Configurable Values

As in the initial setup guide, this guide is written using the following configurable values:

• node server SSH port: 55522
• node server hostname: eth-node-mainnet

Steps

1. Pick Which Validators to Withdraw

On the Client PC:

• plug-in the Data USB drive
• generate a validator status report:

cd ethereum-node

# deploy project files to USB drive
./tools/deploy.sh --usb

# generate validator status report and save it to USB drive
./tools/export.sh

• safely eject the USB drive

On the Air-Gapped PC:

• plug-in the USB drive
• pick the validators to withdraw and generate a signed bls-to-execution-change message:

cd /media/mint/DATA/
source ./unseal.sh
./generate-bls-to-execution-change-message.sh
source ./seal.sh

• safely eject the USB drive

2. Broadcast the Signed Message to the Ethereum Network

On the Client PC:

• plug-in the USB drive
• submit the signed message via the node server:

cd ethereum-node

# submit signed message via node server
./tools/withdraw.sh

Next Steps

• Add validators
• Withdraw validators
• Exit validators
• Compound or Consolidate validators