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.