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Migrating from Orion to Tessera

Tessera includes a utility that enables migration of an Orion configuration file and database to a Tessera configuration file and database, for Hyperledger Besu (versions earlier than 25.1.0).

A full migration workflow would be as follows:

  1. Download or build the migration utility.
  2. Shut down the Orion and Hyperledger Besu nodes.
  3. Perform the migration.
  4. Start Tessera with the new configuration and database files.
  5. Start Hyperledger Besu nodes.

A full tutorial including links to the utility and example code can be found here.