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3b2c807288
In this commit, we fix a bug in the latest database migration when migrating from 0.4 to 0.5. There's an issue in bolt db where if one deletes a bucket that has a key with a nil value, it thinks that's a sub bucket and attempts a bucket deletion. This will fail as it's not actually a sub-bucket. We get around this by using a cursor to manually delete items in the bucket. Fixes #1907.
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