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Define a mechanism for mints to restrict endpoint access based on possession of tokens from a specific keyset with a minimum amount requirement. Generalizes NUT-22 from identity-based auth to possession-based authorization without spending proofs.
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Define a mechanism for mints to restrict endpoint access based on possession of tokens from a specific keyset with a minimum token count requirement. Generalizes NUT-22 from identity-based auth to possession-based authorization without spending proofs.
Context: When I was updating the spec for Conditional Token Framework (#337),
I noticed that I want to grant access to some Mint endpoints only to the user who holds the token.
22.md was not good enough because it was only proof-of-authentication, what I wanted was proof of possession.
24.md was also not good because it requires a payment from the user.
To give more details, I want to introduce a new kind of token in #337, so to speak, "Market Owner token".
Market owner will receive this token when they register a
conditionfor the CTF.A mint can take an additional swap fee for each conditional token transaction, and then later, the Market Owner Token holders can redeem the fee collected in exchange for that market owner token. This incentivizes users to create a more popular market.
If the market is a company, then this token is like a stock.
I want to have an endpoint that only the market owner can access. e.g. "total fee accumulated for this market". This spec is the prerequisite