fix: allow reading PeerId from keychain #1552
Merged
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libp2p has a secure keychain where all items are stored in the datastore in an encrypted format, including the PeerId of the current node.
If no PeerId is passed into the factory function, a new PeerId is created for the current node.
Instead, if the factory function is passed a datastore, it should try to read the PeerId from the datastore and only create a new PeerId if the
self
key is not in the datastore.