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Joel U edited this page Aug 13, 2018 · 1 revision

Holochain Chain Backup App

This document covers the sequences of recovering a local chain in the case of data loss using a backup app

Creating Backups

  • Any app wishing to allow restore from backup functionality must bridge to the backup app
  • In validateCommit (adding anything to local chain) it must also call a backup function across the bridge and pass it the data to be added
  • This data will be encrypted and stored on the backup app DHT including all metadata (timestamp, sources, signature etc.).

Restoring from backup

  • Install Holochain which lead you to install DPKI
  • Install the backup app with identical DNA to the one that was used to create the backup
  • Use the DPKI to restore you Backup app Public key
  • Use the following call for installing your apps.
hcadmin restore ./apprepo backupAppName
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