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086b44c1f4
This commit synchronizes the in-memory cache with the on-disk state to ensure the waiting proof store is externally consistent. Currently, there are scenarios where the in-memory state is updated, and not reverted if the write fails. The general fix is to wait to apply modifications until the write succeeds, and use a read/write lock to synchronize access with db operations.
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