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src/quickstart/first-look.md
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| BuyExecution{fees: (Here, amount).into(), weight_limit: WeightLimit::Unlimited} | ||
| ``` | ||
| To execute XCM instructions, execution time (weight) has to be bought. The amount of execution time depends on the number and type of instructions in the XCM. The `BuyExecution` instruction pays for the weight using the `fees`. The `fees` parameter describes the asset in the `Holding register` that should be used for paying for the weight. The `weight_limit` defines the maximum amount of fees that can be used for buying execution time. See [fees]() for more information about the fee payments. | ||
| To execute XCM instructions, weight has to be bought. The amount of weight depends on the number and type of instructions in the XCM. The `BuyExecution` instruction pays for the weight using the `fees`. The `fees` parameter describes the asset in the `Holding register` that should be used for paying for the weight. The `weight_limit` defines the maximum amount of fees that can be used for buying weight. See [fees]() for more information about the fees in XCM. |
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We should maybe say something about weight. Probably saying it vaguely means "resources" is fine.
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Also, you don't necessarily need to buy weight to execute XCM instructions. It could be that you trust the caller (maybe same development team) so you don't need to pay for fees. It's good to talk more about this in the weight/fees chapter, but it would be good to mention why we are buying weight
franciscoaguirre
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Apr 17, 2023
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Draft for quickstart. Some links and names are probably going to change based on the xcm-executor import into cumulus.