./mrps-game serve --dsn 'host=localhost user=your_username password=your_password dbname=mrps_game sslmode=disable TimeZone=Asia/Shanghai'

• Login the system and logout
• Transfer imaginary funds in and out of your account.
• Query for other players
• Challenge other players to a match and associate a choice (rock, paper or scissor) and a bet with it
• View your pending challenges and respond to them with decline or accepting. Accepting requires a choice of rock, paper, scissor
• Upon accepting a challenge, the match is resolved and the betted funds are transferred from the loser to the winner.

Extra tasks:

• Users require registration and this is kept in some kind of database
• All transactions are logged in a database
• Query for personal transactions
• AI players
• Users are somehow notified if they win or lose
• Statistics are generated and can be viewed somehow
• Available choices should be configurable (add more than rock paper scissor)