Car for Sherlock

While chasing a serial killer Sherlock Holmes stopped a wrong person. Now, thanks to my « bot », you can buy a car for Sherlock, so he doesn’t have to run chasing taxis anymore.

URL: https://vk.com/club187880935

Recon

A bot where you can send message to like /commands:

/commands - all commmands
/stat - your statistic
/buy <id product> - buy any product
/sell - sell one any product
/product <id number 1-4> - list of offered goods

You can buy/sell cars. The flag costs 101. You start with 100 and all other items cost 100.

Race condition

Race condition can be made by opening 2 browsers and selling at the same time.

/stat
Car for Sherlok. Send me /commands 

Your id: 583297400
Your balance: 100
Your purchases: 0

/buy 1
Car for Sherlok. Send me /commands 

Purchase completed

/sell

/sell
Car for Sherlok. Send me /commands 

Good sell

Good sell

/stat
Car for Sherlok. Send me /commands 

Your id: 583297400
Your balance: 200
Your purchases: 0

/buy 4
Car for Sherlok. Send me /commands 

Your FLAG is: FLAG{RaCe_CtF_C0NdItI0n}

Flag

FLAG{RaCe_CtF_C0NdItI0n}