Lucky Crypto Paintings

Usage: [1] As a dealer you could win up to 50ETH with 0.5ETH (x100): 1) bid for owner; 2) ask others to draw; 3) if the prize in the pool reaches 50ETH, you win the prize. [2] As a player you could win up to 50ETH with 0.1ETH (x500): just draw it with a chance to win the increasing prize in the pool. Note: 1) the chance to win the prize decreases while the amount of the prize in the pool inreases; 2) you could be the dealer and player at the same time.