Transaction #197
| Hash | baf8c2f4d977d0346869ac5dbf8501f521de298195b8236fb3ab911cfcd2e001 |
| Status | Success |
| Timestamp | 1336 days ago - 9/21/2020, 7:49:15 PM UTC+0 |
| Block | 197 |
| Stamps Used | 412 |
| Burned Fee | 0.04120000 TAU |
| From | 89dab819180ed3d1cd0ea04ff0cd33b87b90e99d5abea6321afe9e6835db7f9f |
| Contract Name | submission |
| Function Name | submit_contract |
Additional Info
| SubBlock Number | 1 |
| Nonce | 0 |
| Processor | a2ce0217d08e0cf5718d36fc3b7b59d7bb5e4c6e3140a04e02da1d28a6fea56f |
| Signature | 8e54b2546578a1b3a8f80ffff35723983c59649471107a08a788d45502afc7fdac410b11c86257eb1f5060ac46194e2a2f03f801cfc742362da04e6df25f2c06 |
| Stamps Supplied | 1000 |
| Stamps per TAU | 100 |
Kwargs
| code | import currency owner = Variable() distributionAmount = Variable() games = Hash() gameNames = Hash() @construct def seed(initial_owner: str): owner.set(initial_owner) distributionAmount.set(0) @export def transfer_ownership(newOwner: str): assert owner.get() == ctx.caller, 'transfer_ownership can only be executed by the contract owner' owner.set(newOwner) @export def addGame(gameId: str, playercount: int, amount: int): assert owner.get() == ctx.caller, 'addGame can only be executed by the contract owner' assert games[gameId, 'amount'] is None, 'Game with ID ' + gameId + ' already exists' assert playercount > 0, 'playercount must be > 0' assert amount > 0, 'amount must be > 0' games[gameId, 'playercount'] = playercount games[gameId, 'players'] = [] games[gameId, 'amount'] = amount games[gameId, 'markedForRemoval'] = False games[gameId, 'round'] = 1 games[gameId, 'locked'] = False if gameNames['names'] is not None: names = gameNames['names'] names.append(gameId) gameNames['names'] = names else: gameNames['names'] = [gameId] @export def withdraw(gameId: str): sender = ctx.caller players = games[gameId, 'players'] if players is not None and sender in players: filteredList = list(filter(lambda p: p != sender, players)) games[gameId, 'players'] = filteredList currency.transfer( amount=games[gameId, 'amount'] * (len(players)-len(filteredList)) * 0.9999, to=sender ) @export def markGameForRemoval(gameId: str): assert owner.get() == ctx.caller, 'markGameForRemoval can only be executed by the contract owner' games[gameId, 'markedForRemoval'] = True @export def removeGame(gameId: str): assert owner.get() == ctx.caller, 'removeGame can only be executed by the contract owner' assert games[gameId, 'playercount'] is not None, 'Game with ID ' + gameId + ' does not exist' assert games[gameId, 'markedForRemoval'] == True, 'game with ID ' + gameId + ' is not marked for removal, please call markForRemoval first' assert games[gameId, 'locked'] == True, 'game with ID ' + gameId + ' is not yet locked, please wait until current jackpot is distributed' assert len(games[gameId, 'players']) == 0, 'game with ID ' + gameId + ' cannot be removed, because there are still players subscribed!' games[gameId, 'playercount'] = None games[gameId, 'amount'] = None games[gameId, 'markedForRemoval'] = None games[gameId, 'players'] = None games[gameId, 'winner'] = None games[gameId, 'round'] = None games[gameId, 'locked'] = None names = gameNames['names'] names.remove(gameId) gameNames['names'] = names @export def withdrawFees(receiver: str): assert owner.get() == ctx.caller, 'withdrawFees can only be executed by the contract owner' # Balance of the contract - summed amounts of all gameIds - base amount (to stay at the contract) BASE_AMOUNT = 20 totalSum = 0 if gameNames['names'] is not None: names = gameNames['names'] for name in names: players = games[name, 'players'] amount = games[name, 'amount'] totalSum += (len(players) * amount) # IMMER 20 TAU auf dem Contract belassen availableToWithdraw = currency.get_balance(ctx.this) - (totalSum + BASE_AMOUNT) assert availableToWithdraw > 0, 'Not enough funds for fee withdrawal. Available Fees ' + \ availableToWithdraw currency.transfer( amount=availableToWithdraw, to=receiver ) else: # No game available --> payout all up to the base amount (20) availableToWithdraw = currency.get_balance(ctx.this) - BASE_AMOUNT assert availableToWithdraw > 0, 'Not enough funds for fee withdrawal. Available Fees ' + \ availableToWithdraw currency.transfer( amount=availableToWithdraw, to=receiver ) @export def joinGame(gameId: str, amount: int): random.seed() assert games[gameId, 'playercount'] is not None, 'Game with ID ' + gameId + ' does not exist' assert games[gameId, 'locked'] == False, 'Game with ID ' + gameId + ' is locked' assert games[gameId, 'amount'] == amount, 'For joining this game, you need to send exactly ' + str(games[gameId, 'amount']) + ' TAU' # ctx.caller is the verified identity of the person who signed this transaction # we will keep this reference as the "sender" of the transaction sender = ctx.caller # Pay the smart contract currency.transfer_from( amount=amount, to=ctx.this, main_account=sender) players = games[gameId, 'players'] players.append(sender) # Every player shuffles the list, this makes predictions for attackers much more heavy # Because they cannot predict the block numbers of the other players random.shuffle(players) games[gameId, 'players'] = players if len(games[gameId, 'players']) >= games[gameId, 'playercount']: playerList = games[gameId, 'players'] random.shuffle(playerList) randomInt = random.randint(0, len(playerList) - 1) winner = playerList[randomInt] winnerAmount = games[gameId, 'playercount'] * games[gameId, 'amount'] * 0.998 currency.transfer( amount=winnerAmount, to=winner ) games[gameId, 'players'] = [] games[gameId, 'round'] += 1 games[gameId, 'winner'] = winner distributionAmount.set(distributionAmount.get() + winnerAmount) if games[gameId, 'markedForRemoval'] == True: games[gameId, 'locked'] = True return "finished" |
| constructor_args | {"initial_owner":"89dab819180ed3d1cd0ea04ff0cd33b87b90e99d5abea6321afe9e6835db7f9f"} |
| name | con_hopium |
State Changes
| Contract | con_hopium |
| Variable | owner |
| New Value | 89dab819180ed3d1cd0ea04ff0cd33b87b90e99d5abea6321afe9e6835db7f9f |
| Contract | con_hopium |
| Variable | distributionAmount |
| New Value | 0 |
| Contract | con_hopium |
| Variable | __code__ |
| New Value | import currency __owner = Variable(contract='con_hopium', name='owner') __distributionAmount = Variable(contract='con_hopium', name= 'distributionAmount') __games = Hash(contract='con_hopium', name='games') __gameNames = Hash(contract='con_hopium', name='gameNames') def ____(initial_owner: str): __owner.set(initial_owner) __distributionAmount.set(0) @__export('con_hopium') def transfer_ownership(newOwner: str): assert __owner.get( ) == ctx.caller, 'transfer_ownership can only be executed by the contract owner' __owner.set(newOwner) @__export('con_hopium') def addGame(gameId: str, playercount: int, amount: int): assert __owner.get( ) == ctx.caller, 'addGame can only be executed by the contract owner' assert __games[gameId, 'amount' ] is None, 'Game with ID ' + gameId + ' already exists' assert playercount > 0, 'playercount must be > 0' assert amount > 0, 'amount must be > 0' __games[gameId, 'playercount'] = playercount __games[gameId, 'players'] = [] __games[gameId, 'amount'] = amount __games[gameId, 'markedForRemoval'] = False __games[gameId, 'round'] = 1 __games[gameId, 'locked'] = False if __gameNames['names'] is not None: names = __gameNames['names'] names.append(gameId) __gameNames['names'] = names else: __gameNames['names'] = [gameId] @__export('con_hopium') def withdraw(gameId: str): sender = ctx.caller players = __games[gameId, 'players'] if players is not None and sender in players: filteredList = list(filter(lambda p: p != sender, players)) __games[gameId, 'players'] = filteredList currency.transfer(amount=__games[gameId, 'amount'] * (len(players) - len(filteredList)) * decimal('0.9999'), to=sender) @__export('con_hopium') def markGameForRemoval(gameId: str): assert __owner.get( ) == ctx.caller, 'markGameForRemoval can only be executed by the contract owner' __games[gameId, 'markedForRemoval'] = True @__export('con_hopium') def removeGame(gameId: str): assert __owner.get( ) == ctx.caller, 'removeGame can only be executed by the contract owner' assert __games[gameId, 'playercount' ] is not None, 'Game with ID ' + gameId + ' does not exist' assert __games[gameId, 'markedForRemoval' ] == True, 'game with ID ' + gameId + ' is not marked for removal, please call markForRemoval first' assert __games[gameId, 'locked' ] == True, 'game with ID ' + gameId + ' is not yet locked, please wait until current jackpot is distributed' assert len(__games[gameId, 'players'] ) == 0, 'game with ID ' + gameId + ' cannot be removed, because there are still players subscribed!' __games[gameId, 'playercount'] = None __games[gameId, 'amount'] = None __games[gameId, 'markedForRemoval'] = None __games[gameId, 'players'] = None __games[gameId, 'winner'] = None __games[gameId, 'round'] = None __games[gameId, 'locked'] = None names = __gameNames['names'] names.remove(gameId) __gameNames['names'] = names @__export('con_hopium') def withdrawFees(receiver: str): assert __owner.get( ) == ctx.caller, 'withdrawFees can only be executed by the contract owner' BASE_AMOUNT = 20 totalSum = 0 if __gameNames['names'] is not None: names = __gameNames['names'] for name in names: players = __games[name, 'players'] amount = __games[name, 'amount'] totalSum += len(players) * amount availableToWithdraw = currency.get_balance(ctx.this) - (totalSum + BASE_AMOUNT) assert availableToWithdraw > 0, 'Not enough funds for fee withdrawal. Available Fees ' + availableToWithdraw currency.transfer(amount=availableToWithdraw, to=receiver) else: availableToWithdraw = currency.get_balance(ctx.this) - BASE_AMOUNT assert availableToWithdraw > 0, 'Not enough funds for fee withdrawal. Available Fees ' + availableToWithdraw currency.transfer(amount=availableToWithdraw, to=receiver) @__export('con_hopium') def joinGame(gameId: str, amount: int): random.seed() assert __games[gameId, 'playercount' ] is not None, 'Game with ID ' + gameId + ' does not exist' assert __games[gameId, 'locked' ] == False, 'Game with ID ' + gameId + ' is locked' assert __games[gameId, 'amount' ] == amount, 'For joining this game, you need to send exactly ' + str( __games[gameId, 'amount']) + ' TAU' sender = ctx.caller currency.transfer_from(amount=amount, to=ctx.this, main_account=sender) players = __games[gameId, 'players'] players.append(sender) random.shuffle(players) __games[gameId, 'players'] = players if len(__games[gameId, 'players']) >= __games[gameId, 'playercount']: playerList = __games[gameId, 'players'] random.shuffle(playerList) randomInt = random.randint(0, len(playerList) - 1) winner = playerList[randomInt] winnerAmount = __games[gameId, 'playercount'] * __games[gameId, 'amount'] * decimal('0.998') currency.transfer(amount=winnerAmount, to=winner) __games[gameId, 'players'] = [] __games[gameId, 'round'] += 1 __games[gameId, 'winner'] = winner __distributionAmount.set(__distributionAmount.get() + winnerAmount) if __games[gameId, 'markedForRemoval'] == True: __games[gameId, 'locked'] = True return 'finished' |
| Contract | con_hopium |
| Variable | __compiled__ |
| New Value | 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|
| Contract | con_hopium |
| Variable | __owner__ |
| New Value | null |
| Contract | con_hopium |
| Variable | __submitted__ |
| New Value | 2020,9,21,19,49,16,0 |
| Contract | currency |
| Variable | balances |
| Key | 89dab819180ed3d1cd0ea04ff0cd33b87b90e99d5abea6321afe9e6835db7f9f |
| New Value | 979.400000000000000000 |