Contract con_dejury_2403
| Creator | 283a41d3910c33347bbd17b63ec0c8475e97ccf25d1744076f14ac8acf244177 |
| Creation Hash | 4cc73a17456544d91a36f1e0e17193cad9a35b68a1aa55646f433a8d72c7ecfc |
| Created On | 1140 days ago - 3/24/2021, 7:13:22 AM UTC+0 |
Contract Code
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"""
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dejury
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Ask anything, and get paid to answer.
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Summary
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----------------
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1. Ask a question and set a bounty
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2. Answer
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3. Asker chose your answer? congras, you get all the TAU.
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Contract design
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----------------
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1. post:
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a. add to list of questions - poster and bounty
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b. add bounty to contract balance
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2. answer:
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a. add to list of answers - poster and question ID
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3. award: choose the winning answer based on answer ID
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a. check if bounty already given?
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a. send TAU to poster's address
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b. mark bounty given
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"""
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import currency
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__posts = Hash(default_value='', contract='con_dejury_2403', name='posts')
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__answers = Hash(default_value='', contract='con_dejury_2403', name='answers')
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__balances = ForeignHash(foreign_contract='currency', foreign_name=
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'balances', contract='con_dejury_2403', name='balances')
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@__export('con_dejury_2403')
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def post(title: str, content: str, bounty: int, email: str):
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sender = ctx.caller
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assert not __posts[sender, title
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], 'There is already an existing post with this title'
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assert content, 'A question must not be empty.'
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assert email, 'The email must not be empty.'
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assert bounty > 0, 'Bounty must be bigger than zero.'
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__transfer(from_=sender, to=ctx.this, amount=bounty)
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__posts[sender, title, 'content'] = content
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__posts[sender, title, 'bounty'] = bounty
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__posts[sender, title, 'email'] = email
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@__export('con_dejury_2403')
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def answer(title: str, content: str, owner: str):
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sender = ctx.caller
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assert content, 'An answer must not be empty.'
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assert __posts[owner, title, 'bounty'
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], 'This question does not exist or already answered.'
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assert not __answers[sender, title
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], 'You have already posted an answer for this question.'
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__answers[sender, title] = content
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@__export('con_dejury_2403')
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def award(title: str, winner: str):
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answer = __answers[winner, title]
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bounty = __posts[ctx.caller, title, 'bounty']
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assert __posts[ctx.caller, title, 'content'], 'Post not found.'
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assert bounty, 'Bounty has already been given for this post.'
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assert answer, 'This answer does not exist.'
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assert winner != ctx.caller, 'You can not award yourself.'
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__transfer(to=winner, amount=bounty)
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__posts[ctx.caller, title, 'bounty'] = 0
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def __transfer(to: str, amount: int, from_: str=None):
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if from_:
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currency.transfer_from(amount, to, from_)
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else:
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currency.transfer(amount, to)
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Byte Code
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