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| All fee parameters (`fee_basis_points`, `min_fee`, `issuer_fee_puzzle_hash`, `allow_zero_price`, `allow_revoke_fee_bypass`) are curried into the puzzle at issuance time and cannot be changed. This guarantees to holders that the fee terms will never change after they acquire the token. If an issuer wants to change fee parameters, they must issue a new token. | ||
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| ### The `allow_zero_price` flag |
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Will set to false mean that users need to pay the fee in order to transfer between their own wallets?
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Same q for coin combining / splitting
| ├────── Inner puzzle (the p2 puzzle, e.g. p2_delegated_puzzle_or_hidden_puzzle) | ||
| ``` | ||
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| All four supported permutations are valid: |
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If cr cats are brought back would those also support the fee layer similarly?
CHIPs/chip-0056.md
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| ### Settlement puzzle hash reconstruction | ||
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| For trades quoted in XCH, the fee layer asserts an announcement from the well-known `SETTLEMENT_PAYMENT_HASH`. For trades quoted in CATs, the settlement puzzle is wrapped in additional layers (CAT layer, and potentially revocation and/or fee layers of the *quote* asset). The fee layer reconstructs the expected settlement puzzle hash on-chain from a trade price descriptor provided in the solution. |
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Will this trade price have similar issues to NFTs with malicious wallets being able to circumvent royalties? (i.e. set trade price lower than actual)
CHIPs/chip-0056.md
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| | `issuer_fee_puzzle_hash` | `Bytes32` | Fee destination of the quote asset's fee layer | | ||
| | `fee_basis_points` | `Int` | Quote asset's fee percentage | | ||
| | `min_fee` | `Int` | Quote asset's minimum fee | |
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Is the min fee required?
| When constructing an offer involving a fee CAT: | ||
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| 1. The offer maker's wallet calculates the fee amounts for each trade price. | ||
| 2. Additional settlement payments are included in the offer for each fee (one per fee CAT involved in the trade). |
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How are NFT <-> Fee CAT offers handled?
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CHIP-56 is now a Please leave your reviews here, and feel free to discuss it in the #chips channel of our Discord. |
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This CHIP adds Fee Layer support to CATs for CAT tokens to pay transaction fees to issuers.