GTW: Guess the Witness - A witness guessing bot

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• What is the project about?

The overall goal of this project is to create awareness what witnesses on STEEM are, what their basic duty is and to encourage users to investigate more, how the basic principles of STEEM are working.
Gambling is in all our blood, so we take it to the blockchain.
Every block is created and signed by a witness. Every 3 seconds a new block is made.
The order with which the witnesses are chosen is randomly, Top 20 witnesses will make one block every minute, the rest, below rank 20 are chosen randomly, weighted with their voters complete VESTS.

It is not possible for a normal user to predict, who the next witness will be. For that he would need some deeper knowledge of the blockchain. This is one goal of this application.

The gambling principles are easy:
A user transfers 0.002 SBD to the bot and writes the name of the witness guess in memo.
this transaction will be written in a block.
The bot looks at the head of the block, where the transaction is in and reads out the witness name.
If the guess in the memo is wrong, the bot will transfer 0.001 SBD back to the user with block number, guessed witness and real witness in memo.
Was the guess right, the bot will send back 0.021 SBD and a congratulation with block number and witness name in memo.
The chances to guess a Top 20 witness are 1/21. So the bot itself should not make any profits.
The bot account had 2 SBD as initial cash. Per date of writing this article, there are 2.014 SBD in its account.
The implementation of this application was realised under the bot username @gtw and can be found here: https://steemit.com/@gtw

• Technology Stack

The bot is written in Python using the steem-python library. It needs Python3.6 to run, there are no plans to port this to different Python versions or the beem library.

• Roadmap

The bot is currently in a stable phase. There are no planned features for the near future.
Once it runs for a longer time, more betting options could be added.

• How to contribute?

Suggestions of features and bug fixing is always welcome.

• Repository

The repository for this bot can be found here: isnochys/gtw

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