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Sharing Documents using The Graph

Diagram

How does document sharing in SkyDocs work?

All users must be logged in using MetaMask, because we use a smartcontract transaction on the Ethereum network.

  1. Initiate Share Action When editing a document, there is a Share button. You can create a readonly or editable share link, or share data with another ethereum address. When we want to share this document with another ethereum address, we input this and click Share.

This first triggers an internal step. A small json file with information on how to access the document is stored on SkyNet. This data is encrypted. This results in an uri like sia://skynet-link...

  1. dApp opens metaMask The dApps triggers the browser to open MetaMask and has a prefilled transaction ready for the user.

  2. Submit share data to SmartContract The transaction is a smartcontract interaction with [TheShareItNetwork(https://github.com/michielpost/TheShareItNetwork).

Data shared is:

  • receiver: 0x... ethereum address you want to share the document with
  • appId: SkyDocs
  • data: siaL//skynet-link-to-encrypted-shae-info

  1. Index Data The Graph indexes all interactions with this smartcontract in a subgraph and makes it available using a GraphQL AP

  2. View shared files The user requests to view all files shared with in the dApp

  3. Query The Graph API This triggers the dApp to user The Graph API to request documents shared with this user. The user can then open the shared file and add it to it's document collection.

TheGraph.Client is used to query The Graph API from the dApp.