Contract con_crafter_v5
Creator | ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89 |
Creation Hash | 009b8aa49e700ca70ac389fafe8700df558a70242d8b7a1890121c4b7abf83d0 |
Created On | 402 days ago - 4/7/2023, 3:42:05 PM UTC+0 |
Contract Code
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I = importlib
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random.seed()
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nft_collection_contract = Variable()
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owner = Variable()
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craftable_things = Hash(default_value=0)
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amount_crafted = Hash(default_value=0)
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currency_contract = Variable()
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@construct
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def seed():
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nft_collection_contract.set("con_lamden_realm_v2")
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currency_contract.set("con_trt")
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owner.set(ctx.caller)
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@export
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def craft(item_type: str):
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assert craftable_things[item_type] != 0, "This item type is not craftable"
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cost = craftable_things[item_type]["cost"]
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I.import_module(currency_contract.get()).transfer_from(amount=cost, to="Burned", main_account=ctx.caller)
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attributes = craftable_things[item_type]["attributes"]
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final_metadata = {}
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for attribute in attributes:
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if isinstance(attributes[attribute], dict):
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# take into account the preferred attribute and weight it based on if the min or max is preferred without using uniform
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min_value = attributes[attribute]["min"]
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max_value = attributes[attribute]["max"]
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preferred = attributes[attribute]["preferred"]
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# generate a random int between min and max
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# preferred is what is better for the attribute and has a lower chance of being generated
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# so we weight the random number based on the preferred using linear interpolation
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if preferred == "min":
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weight = 0.5
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sample = random.random() ** weight
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else:
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weight = 1.5
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sample = 1 - (1 - random.random()) ** weight
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# Scale and shift the random number to the range of min_value to max_value
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final_metadata[attribute] = round((1 - sample) * min_value + sample * max_value)
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elif isinstance(attributes[attribute], list):
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final_metadata[attribute] = random.choice(attributes[attribute])
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image = random.choice(craftable_things[item_type]["images"])
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final_metadata["type"] = item_type
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amount_crafted[item_type] += 1
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# Name will be the item type, but uppercase first letter + the amount crafted
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name = item_type.capitalize() + " " + str(amount_crafted[item_type])
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I.import_module(nft_collection_contract.get()).mint_nft(name=name, description="Item crafted by {}".format(ctx.caller), ipfs_image_url=image, metadata=final_metadata, amount=1)
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I.import_module(nft_collection_contract.get()).transfer(amount=1, to=ctx.caller, name=name)
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@export
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def set_nft_collection_contract(contract: str):
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assert ctx.caller == owner.get(), "Only the owner can set the NFT collection contract"
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nft_collection_contract.set(contract)
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@export
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def modify_craftable_things(item_type: str, cost: float, attributes: dict, images: list):
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assert ctx.caller == owner.get(), "Only the owner can modify the craftable things"
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# ex item_type = "weapon"
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# ex attributes = {
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# "cooldown": {"min": 0.1, "max": 2, "preferred": "min"},
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# "damage" : {"min": 1, "max": 80, "preferred": "max"},
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# "effect" : ["cosmicball", "natureball", "fireball"],
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# "max_distance" : {"min": 100, "max": 1000, "preferred": "max"}
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# }
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# ex images = ["https://nftstorage.link/ipfs/bafybeihpmoirvpgnt7m6lytm5xarhxncbugorg43pvmvgf5o7z3vegelbi/file", "https://nftstorage.link/ipfs/bafybeiaputppri6gm676y75kjtgd2we4sbm2dl2rmcshafc5shmfpgekmy/file", "https://nftstorage.link/ipfs/bafybeiez5v3zs2fcctzytchlwcgryu2k342sz2txypwunzgb7jdqtykwx4/file"]
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craftable_things[item_type] = {"attributes": attributes, "cost": cost, "images": images}
Byte Code
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