Challenge	Title	GTU Reward	Seats	Start Date	Last Date for Submission
OT4-B3	Register and deregister as baker.	2000 GTU	250	20-01-2021 23:00 PT	03-03-2021 23:00 PT

⚠️ If you choose to do this challenge, you cannot also do B2 or B4.

Mission

1) Setup a node

• Run a node for a month (30 full calendar days).

• The 30 days count starts from 21-01-2021 at 08:00 CET, even if you started to run your node before that. Hence, if you have uninterrupted uptime, the challenge can earliest be completed on 20-02-2021 at 08:00 CET.

• If your node is down for some periods, you must add the lost time afterwards. The summary log accumulates the uptimes of the node. It must show a runtime of at least 720 hours when submitting.

• This challenge can be run concurrently with challenge OT4-B1 or as stand-alone challenge. It cannot be run concurrently with challenges OT4-B2 or OT4-B4.

• When the node is running, move on to the next phase.

2) Baking (3 weeks)

• Create an identity and account in the mobile app. Request the GTU drop (You will receive 2000 GTUs, even though the drop says 100 GTU.

• Register as baker in the concordium-client. Stake most or all of the total amount of your baker account.

• Decide on if you want to restake earnings, check your current status and make changes to the restake flag accordingly.

• Verify that your baker is included in the baker comitee.

• Verify that your stake limit cannot be transferred.

• Check your account regularly for baker rewards.

  • Note that with a 2000 GTU stake you might receive one baker reward per week but it is not guaranteed. Don't panic, receiving a baker reward is not mandatory for a successful submission.
  • If you have received a baker reward, verify that it is added to the staked amount or to the amount at disposal, depending on the restake earnings status of your baker account.

• After 3 weeks, move on to the next phase.

3) Grace Period (1 week)

• Remove your baker.

• Verify that your baker remains included in the baker comitee for a grace period of 1 week.

• Verify that your stake limit cannot be transferred.

• Check your account regularly for baker rewards.

  • Note that with a 2000 GTU stake you might receive one baker reward per week but it is not guaranteed. Don't panic, receiving a baker reward is not mandatory for a successful submission.
  • If you have received a baker reward, verify that it is added to the staked amount or to the amount at disposal, depending on the restake earnings status of your baker account.

• After a week, move on to the next phase.

4) Not Baking

• Verify that your node stops baking after the grace period.

• Verify that your account does not receive rewards anymore.

• Verify that your baker is not included in the baker comitee anymore.

• Verify that your stake limit can be transferred now. Please note that there is a known issue for the Android mobile app.

Submission

• In submission.txt

  • Add your node ID
  • Add your baker ID
  • Add your baker account address
  • Add the blockhash of the block with the add baker transaction in it
  • Add the blockhash of the block with the remove baker transaction in it

• Upload your summary log (see Logs for instructions & tooling)

  • Runtime must show >= 720 hours.
  • Do not temper with or change anything in the log. Otherwise, we cannot guarantee acceptance.

Please follow the submission instructions thoroughly - your submission will not be accepted otherwise.