Contract con_uw_nft

  

    

      

        

            
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S = Hash(default_value='')

          

            
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@export

          

            
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def add_thing(thing_string: str, name: str,  meta: dict, creator: str):

          

            
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    uid = hashlib.sha256(thing_string)

          

            
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    assert not S[uid],  thing_string + ' already exists'

          

            
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    S[uid] = ['thing', 'type', 'name',  'owner', 'creator',  'price:amount', 'meta_items']

          

            
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    S[uid, 'thing'] = thing_string

          

            
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    S[uid, 'type'] = 'text/plain' 

          

            
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    S[uid, 'name'] = name

          

            
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    S[uid, 'owner'] = creator

          

            
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    S[uid, 'creator'] = creator

          

            
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    S[uid, 'price', 'amount'] = 0

          

            
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    S[uid, 'auction'] = False

          

            
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    S[uid, 'meta_items'] = ['season', 'id', 'character', 'element', 'rarity', 'tier', 'level', 'exp', 'hp', 'damage', 'defense', 'critical', 'evasion']

          

            
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    S[uid, 'meta', 'season'] = meta['season']

          

            
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    S[uid, 'meta', 'id'] = meta['id']

          

            
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    S[uid, 'meta', 'character'] = meta['character']

          

            
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    S[uid, 'meta', 'element'] = meta['element']

          

            
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    S[uid, 'meta', 'rarity'] = meta['rarity']

          

            
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    S[uid, 'meta', 'tier'] = meta['tier']

          

            
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    S[uid, 'meta', 'level'] = meta['level']

          

            
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    S[uid, 'meta', 'exp'] = meta['exp']

          

            
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    S[uid, 'meta', 'hp'] = meta['hp']

          

            
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    S[uid, 'meta', 'damage'] = meta['damage']

          

            
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    S[uid, 'meta', 'defense'] = meta['defense']

          

            
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    S[uid, 'meta', 'critical'] = meta['critical']

          

            
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    S[uid, 'meta', 'evasion'] = meta['evasion']  

          

            
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    return uid

          

            
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@export

          

            
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def thing_exists(thing_string: str):

          

            
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    uid = hashlib.sha256(thing_string)

          

            
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    return S[uid]

          

            
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@export

          

            
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def change_meta(uid: str, meta: dict):

          

            
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    S[uid, 'meta', 'rarity'] = meta['rarity']

          

            
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    S[uid, 'meta', 'tier'] = meta['tier']

          

            
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    S[uid, 'meta', 'level'] = meta['level']

          

            
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    S[uid, 'meta', 'exp'] = meta['exp']

          

            
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    S[uid, 'meta', 'hp'] = meta['hp']

          

            
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    S[uid, 'meta', 'damage'] = meta['damage']

          

            
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    S[uid, 'meta', 'defense'] = meta['defense']

          

            
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    S[uid, 'meta', 'critical'] = meta['critical']

          

            
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    S[uid, 'meta', 'evasion'] = meta['evasion'] 

          

            
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    return S[uid]

          

            
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@export

          

            
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def change_auction(uid: str, auction: bool):

          

            
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    S[uid, 'auction'] = auction

          

            
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    return S[uid]

          

            
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@export

          

            
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def add_meta(uid: str, meta: str, value: Any):

          

            
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    S[uid, 'meta', meta] = value

          

            
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    return S[uid]

          

            
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@export

          

            
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def get_owner(uid: str):

          

            
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    return S[uid, 'owner']

          

            
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@export

          

            
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def get_creator(uid: str):

          

            
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    return S[uid, 'creator']    

          

            
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@export

          

            
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def set_price(uid: str, amount: float):

          

            
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    assert amount >= 0, 'Cannot set a negative price'

          

            
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    S[uid, 'price', 'amount'] = amount

          

            
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@export

          

            
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def get_price_amount(uid: str):

          

            
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    return S[uid, 'price', 'amount']

          

            
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@export

          

            
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def get_auction(uid: str):

          

            
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    return S[uid, 'auction']

          

            
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@export

          

            
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def set_owner(uid: str, owner: str):

          

            
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    S[uid, 'owner'] = owner
          
      
    
  
  

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