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47 lines
1.5 KiB
Haskell
47 lines
1.5 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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import Language.Marlowe.Extended
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main :: IO ()
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main = print . pretty $ contract "Alice" "Bob" "Charlie" $ Constant 10
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choiceId :: Party -> ChoiceId
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choiceId = ChoiceId "Winner"
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contract :: Party -> Party -> Party -> Value -> Contract
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contract alice bob charlie deposit =
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When
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[Case (Deposit charlie charlie ada $ AddValue deposit deposit) $
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When
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[ f alice bob
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, f bob alice
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]
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20 Close
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]
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10 Close
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where
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f :: Party -> Party -> Case
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f x y =
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Case
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(Deposit x x ada deposit
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)
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(When
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[Case
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(Deposit y y ada deposit
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)
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(When
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[Case
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(Choice (choiceId charlie) [Bound 1 2]
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)
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(If
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(ValueEQ (ChoiceValue $ choiceId charlie) (Constant 1)
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)
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(Pay bob (Account alice) ada deposit Close)
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(Pay alice (Account bob) ada deposit Close)
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)]
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40
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(Pay charlie (Account alice) ada deposit $
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Pay charlie (Account bob) ada deposit
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Close)
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)]
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30 Close
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)
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