TravisMullen

# Create a container from the mongo image, 
#  run is as a daemon (-d), expose the port 27017 (-p),
#  set it to auto start (--restart)
#  and with mongo authentication (--auth)
# Image used is https://hub.docker.com/_/mongo/
docker pull mongo
docker run --name YOURCONTAINERNAME --restart=always -d -p 27017:27017 mongo mongod --auth

# Using the mongo "localhost exception" (https://docs.mongodb.org/v3.0/core/security-users/#localhost-exception) 
# add a root user

TravisMullen

pragma solidity ^0.4.19;

// CryptoRoulette
//
// Guess the number secretly stored in the blockchain and win the whole contract balance!
// A new number is randomly chosen after each try.
//
// To play, call the play() method with the guessed number (1-20).  Bet price: 0.1 ether

contract CryptoRoulette {