Contract con_hopium


Txn 24h/Total
0
830
Users 24h/Total
0
39
Stamps 24h/Total
0
39931

Created On
167 days ago - 9/22/2020, 3:49:15 AM UTC+0


Contract Code
1 import currency
2 owner = Variable(contract='con_hopium', name='owner')
3 distributionAmount = Variable(contract='con_hopium', name=
4 'distributionAmount')
5 games = Hash(contract='con_hopium', name='games')
6 gameNames = Hash(contract='con_hopium', name='gameNames')
7
8
9 def (initial_owner: str):
10 owner.set(initial_owner)
11 distributionAmount.set(0)
12
13
14 @export('con_hopium')
15 def transfer_ownership(newOwner: str):
16 assert owner.get(
17 ) == ctx.caller, 'transfer_ownership can only be executed by the contract owner'
18 owner.set(newOwner)
19
20
21 @export('con_hopium')
22 def addGame(gameId: str, playercount: int, amount: int):
23 assert owner.get(
24 ) == ctx.caller, 'addGame can only be executed by the contract owner'
25 assert games[gameId, 'amount'
26 ] is None, 'Game with ID ' + gameId + ' already exists'
27 assert playercount > 0, 'playercount must be > 0'
28 assert amount > 0, 'amount must be > 0'
29 games[gameId, 'playercount'] = playercount
30 games[gameId, 'players'] = []
31 games[gameId, 'amount'] = amount
32 games[gameId, 'markedForRemoval'] = False
33 games[gameId, 'round'] = 1
34 games[gameId, 'locked'] = False
35 if gameNames['names'] is not None:
36 names = gameNames['names']
37 names.append(gameId)
38 gameNames['names'] = names
39 else:
40 gameNames['names'] = [gameId]
41
42
43 @export('con_hopium')
44 def withdraw(gameId: str):
45 sender = ctx.caller
46 players = games[gameId, 'players']
47 if players is not None and sender in players:
48 filteredList = list(filter(lambda p: p != sender, players))
49 games[gameId, 'players'] = filteredList
50 currency.transfer(amount=games[gameId, 'amount'] * (len(players) -
51 len(filteredList)) * decimal('0.9999'), to=sender)
52
53
54 @export('con_hopium')
55 def markGameForRemoval(gameId: str):
56 assert owner.get(
57 ) == ctx.caller, 'markGameForRemoval can only be executed by the contract owner'
58 games[gameId, 'markedForRemoval'] = True
59
60
61 @export('con_hopium')
62 def removeGame(gameId: str):
63 assert owner.get(
64 ) == ctx.caller, 'removeGame can only be executed by the contract owner'
65 assert games[gameId, 'playercount'
66 ] is not None, 'Game with ID ' + gameId + ' does not exist'
67 assert games[gameId, 'markedForRemoval'
68 ] == True, 'game with ID ' + gameId + ' is not marked for removal, please call markForRemoval first'
69 assert games[gameId, 'locked'
70 ] == True, 'game with ID ' + gameId + ' is not yet locked, please wait until current jackpot is distributed'
71 assert len(games[gameId, 'players']
72 ) == 0, 'game with ID ' + gameId + ' cannot be removed, because there are still players subscribed!'
73 games[gameId, 'playercount'] = None
74 games[gameId, 'amount'] = None
75 games[gameId, 'markedForRemoval'] = None
76 games[gameId, 'players'] = None
77 games[gameId, 'winner'] = None
78 games[gameId, 'round'] = None
79 games[gameId, 'locked'] = None
80 names = gameNames['names']
81 names.remove(gameId)
82 gameNames['names'] = names
83
84
85 @export('con_hopium')
86 def withdrawFees(receiver: str):
87 assert owner.get(
88 ) == ctx.caller, 'withdrawFees can only be executed by the contract owner'
89 BASE_AMOUNT = 20
90 totalSum = 0
91 if gameNames['names'] is not None:
92 names = gameNames['names']
93 for name in names:
94 players = games[name, 'players']
95 amount = games[name, 'amount']
96 totalSum += len(players) * amount
97 availableToWithdraw = currency.get_balance(ctx.this) - (totalSum +
98 BASE_AMOUNT)
99 assert availableToWithdraw > 0, 'Not enough funds for fee withdrawal. Available Fees ' + availableToWithdraw
100 currency.transfer(amount=availableToWithdraw, to=receiver)
101 else:
102 availableToWithdraw = currency.get_balance(ctx.this) - BASE_AMOUNT
103 assert availableToWithdraw > 0, 'Not enough funds for fee withdrawal. Available Fees ' + availableToWithdraw
104 currency.transfer(amount=availableToWithdraw, to=receiver)
105
106
107 @export('con_hopium')
108 def joinGame(gameId: str, amount: int):
109 random.seed()
110 assert games[gameId, 'playercount'
111 ] is not None, 'Game with ID ' + gameId + ' does not exist'
112 assert games[gameId, 'locked'
113 ] == False, 'Game with ID ' + gameId + ' is locked'
114 assert games[gameId, 'amount'
115 ] == amount, 'For joining this game, you need to send exactly ' + str(
116 games[gameId, 'amount']) + ' TAU'
117 sender = ctx.caller
118 currency.transfer_from(amount=amount, to=ctx.this, main_account=sender)
119 players = games[gameId, 'players']
120 players.append(sender)
121 random.shuffle(players)
122 games[gameId, 'players'] = players
123 if len(games[gameId, 'players']) >= games[gameId, 'playercount']:
124 playerList = games[gameId, 'players']
125 random.shuffle(playerList)
126 randomInt = random.randint(0, len(playerList) - 1)
127 winner = playerList[randomInt]
128 winnerAmount = games[gameId, 'playercount'] * games[gameId,
129 'amount'] * decimal('0.998')
130 currency.transfer(amount=winnerAmount, to=winner)
131 games[gameId, 'players'] = []
132 games[gameId, 'round'] += 1
133 games[gameId, 'winner'] = winner
134 distributionAmount.set(distributionAmount.get() + winnerAmount)
135 if games[gameId, 'markedForRemoval'] == True:
136 games[gameId, 'locked'] = True
137 return 'finished'
138

Byte Code
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