Nevermined Solana Contracts

Nevermined Subscription contracts for Solana

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Table of Contents

• Nevermined Solana Contracts
  • Table of Contents
  • Scope
    • Allow the registration of subscriptions
    • Allow the purchase of subscriptions
    • Minting of credits
    • Burn of credits
    • Balance of credits
    • Access control
      • Add Providers
      • Revoke Providers
  • Architecture

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Scope

The objective of this repository is to provide the necessary smart contracts to enable the Nevermined Subscription protocol on the Solana blockchain. The main capabilities of the contracts are:

Allow the registration of subscriptions

• Any user can register a subscription by providing the necessary information
• Every different subscription is identified by a unique identifier (tokenId)
• The attributes of each indivudual subscription are the following:
  • tokenId: Unique identifier of the subscription
  • owner: Address of the user that registered the subscription
  • price: Amount of SOL that the user is willing to pay for the subscription
  • credits: Amount of credits that the user will receive every time the subscription is purchased
  • providers: List of accounts that are allowed to interact with the subscription
  • metadata: Additional information about the subscription

Allow the purchase of subscriptions

• Any user can purchase a subscription make the payment of the price
• The user will provide the tokenId and the exact amount of SOL to be paid
• Nevermined will get a 1% fee of the transaction
• The user will receive the credits associated with the subscription
• The user can call this function multiple times allowing to accumulate credits

Minting of credits

• The owner and the providers of the subscription can mint credits to the subscription
• The credits can be minted as a result of a purchase process or as a result of a direct minting

Burn of credits

• The owner and the providers of the subscription can burn credits from the subscription

Balance of credits

• The balance of credits can be be obtained by any user

Access control

Add Providers

• The subscription owner must be able to add providers for the subscription

Revoke Providers

• The subscription owner must be able to revoke providers from the subscription

Architecture

To be defined