Broadcast Exit Message
Verify and broadcast exit messages
Verifying the Exit Message
To verify the exit message using the ethdo CLI, follow the steps below as mentioned in their documentation
Install Ethdo Binary: Ensure you have the ethdo binary installed by following the instructions here.
Create exit json file: Use the
/exit/messageAPI to retrieve the exit message and save it as a JSON file (e.g.,exit_1234567.json)Execute the following command to verify the exit message, replacing the JSON file name and the ETH Beacon RPC URL as necessary:
./ethdo exit verify --signed-operation=exit_1234567.json --connection=<ETH-BEACON-RPC-URL>If the signature is valid, the CLI will output
Verified. If invalid, an error message will be displayed, such as:Invalid signature: failed to deserialize signature: err blsSignatureDeserialize
By following these steps, you can effectively verify the exit message and its signature using the ethdo CLI.
Broadcasting the Exit Message
The following cURL command can be used to broadcast the EXIT message on the beacon chain
curl --location '<ETH-BEACON-RPC-URL>/eth/v1/beacon/pool/voluntary_exits' \
--header 'Content-Type: application/json' \
--data '{
"message": {
"epoch": "0",
"validator_index": "<VALIDATOR_INDEX>"
},
"signature": "<SIGNATURE>"
}'
Replace the request body with the data received from the /exit/message API. A null response with status code 200 would mean that the validator has been exited successfully.
Additionally, you can check the status of the validator using the following cURL command, and it should've gone from active_ongoing to active_exiting.
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