ICS721: Spec for interchain NFT transfer#615

Merged

AdityaSripal merged 18 commits intocosmos:masterfrom haifengxi:nft-transfer

May 23, 2022

+457

Commits on Nov 10, 2021

initial draft of ics-021-nft-transfer
Haifeng Xi
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add reference to the NFT asset tracking module
Haifeng Xi
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Commits on Nov 12, 2021

add reference to ICS20
Haifeng Xi
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replace residual mentioning of denom; fix pseudo-code errors
Haifeng Xi
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Commits on Nov 17, 2021

clarify/generalize semantics of packet data fields
Haifeng Xi
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add history entry
Haifeng Xi
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rename from ics21 to ics721
Haifeng Xi
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Commits on Nov 18, 2021

allow multiple tokens to be transferred in one packet
Haifeng Xi
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add history entry
Haifeng Xi
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Commits on Feb 10, 2022

made updates according to AdityaSripal's comments and suggestions
Haifeng Xi
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made changes according to feedbacks from Chris
Haifeng Xi
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Commits on Feb 14, 2022

resolve comments from Aditya
Haifeng Xi
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Commits on Mar 3, 2022

updated TRY callback to be consistent with PR#629
Haifeng Xi
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Commits on Mar 5, 2022

improved history section
Haifeng Xi
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Commits on Mar 11, 2022

added example to illustrate the prefix concept
Haifeng Xi
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Commits on Mar 30, 2022

added NFT module definition and fixed pseudo-code errors
Haifeng Xi
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removed duplicate paragraph about source/sink zone
Haifeng Xi
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Commits on May 18, 2022

added paragraph about NFT metadata mutability
Haifeng Xi
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