rockpaperscissors.se

init:
  # Rock, Paper, Scissors
  contract.storage[("PLAYER" + 1)] = 0xb7b2e5e12992267f85455ffee1435f02760402f0
  contract.storage[("PLAYER" + 2)] = 0xfeab802c014588f08bfee2741086c37582b30dc2
  contract.storage[0xb7b2e5e12992267f85455ffee1435f02760402f0] = 1
  contract.storage[0xfeab802c014588f08bfee2741086c37582b30dc2] = 2
code:
  PLAYER_NUM = contract.storage[msg.sender]
  contract.storage[("CHOICE" + PLAYER_NUM)] = msg.data[0]
  contract.storage[("IN_BLOCK" + PLAYER_NUM)] = block.number
  # Ensure both players' choices came in at the same time. (No peeking!)
  if not (contract.storage[("IN_BLOCK" + 1)] == contract.storage[("IN_BLOCK" + 2)]):
    stop
  # Label each player's choice for easy reference
  CHOICE1 = contract.storage[("CHOICE" + 1)]
  CHOICE2 = contract.storage[("CHOICE" + 2)]
  # If it's a tie, nobody wins, so stop here
  if CHOICE1 == CHOICE2:
    stop
  # Unless both players made a valid choice, stop here. (No "dynamite" allowed!)
  if not (((CHOICE1 == "ROCK" or (CHOICE1 == "PAPER" or CHOICE1 == "SCISSORS")) and (CHOICE2 == "ROCK" or (CHOICE2 == "PAPER" or CHOICE2 == "SCISSORS")))):
    stop
  # Check each valid combo to determine the winner
  if CHOICE1 == "ROCK":
    if CHOICE2 == "SCISSORS":
      WINNER = 1
    else:
      WINNER = 2
  if CHOICE1 == "PAPER":
    if CHOICE2 == "ROCK":
      WINNER = 1
    else:
      WINNER = 2
  if CHOICE1 == "SCISSORS":
    if CHOICE2 == "PAPER":
      WINNER = 1
    else:
      WINNER = 2
  # Pay the winner
  send(contract.storage[("PLAYER" + WINNER)], contract.balance, (tx.gas - 100))