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3. Chain Modules

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Prad Nukala edited this page Oct 28, 2024 · 1 revision

x/did - Auth & AuthZ

The DID module is responsible for managing the creation and management of DIDs. Controllers represent on-chain accounts backed by a MPC keypair. Controllers provide methods for Wallet Account Abstraction (WAA) and are responsible for managing the creation and management of DIDs for an individual user.

Features

  • DID Controllers leverage the Cosmos SDK's x/accounts std interface for WAA.
  • DIDs are represented by a x/did controller and are required to state the controller's public key, and which map to the controller's capabilities.
  • General Sign/Verify methods are provides from the QueryServer for HTTP requests.
  • The Execute method is used to broadcast transactions across the network. (TODO)
  • Biscuits are used to authenticate and authorize requests between services. (TODO)

References

x/macaroon

The macaroon module is responsible for issuing and verifying macaroons. Macaroons are used to authenticate and authorize requests between services. Macaroons are requested by NFT Records from x/service and granted by controllers from x/did

Features

  • On Controller creation, a macaroon is created with an admin scope and a default expiry of 315,569,520 blocks (or ~10 years).
  • On Service registration, a macaroon is created with a service scope and a default expiry of 31,556,952 blocks (or ~1 year).
  • Macaroons contain the scope of access for a service and the expiry of the permissions in blockHeight.

References

x/service

The service module is responsible for managing decentralized services. Services on the Sonr network are essentially on-chain MultiSig wallets that are represented by a NFT. Service admins are represented by a x/did controller and are required to state the service's scope of access, and which map to the services' capabilities.

Features

  • Needs a Valid Domain with .htaccess file to be whitelisted.

References

x/vault

The vault module is responsible for managing the storage and acccess-control of Decentralized Web Nodes (DWNs) from IPFS. Vaults contain user-facing keys and are represented by a x/did controller.

Features

  • Vaults can be created by anyone, but efforts are made to restrict 1 per user.
  • Vaults are stored in IPFS and when claimed, the bech32 Sonr Address is pinned to IPFS.

References

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