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Module polkadot_runtime_common::identity_migrator

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This pallet is designed to go into a source chain and destination chain to migrate data. The design motivations are:

  • Call some function on the source chain that executes some migration (clearing state, forwarding an XCM program).
  • Call some function (probably from an XCM program) on the destination chain.
  • Avoid cluttering the source pallet with new dispatchables that are unrelated to its functionality and only used for migration.

After the migration is complete, the pallet may be removed from both chains’ runtimes as well as the polkadot-runtime-common crate.

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  • The pallet module in each FRAME pallet hosts the most important items needed to construct this pallet.

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