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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 { |
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# 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 |