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In this commit, we introduce a migration for the message store sub-bucket that will migrate all keys within it to a new key format. This new key format is composed of the peer's public key, followed by the short channel ID, followed by the message type. This migration is needed in order to provide backwards-compatibility with messages that were previously stored before the introduction of the new key format.
channeldb
The channeldb implements the persistent storage engine for lnd and
generically a data storage layer for the required state within the Lightning
Network. The backing storage engine is
boltdb, an embedded pure-go key-value store
based off of LMDB.
The package implements an object-oriented storage model with queries and mutations flowing through a particular object instance rather than the database itself. The storage implemented by the objects includes: open channels, past commitment revocation states, the channel graph which includes authenticated node and channel announcements, outgoing payments, and invoices
Installation and Updating
$ go get -u github.com/lightningnetwork/lnd/channeldb