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6753a02439
In this commit, we add a new bit to the existing ChannelType bitfield. If this bit is set, then it signals that we have the funding transaction stored on disk. A future change will enable lnd to have the funding transaction be constructed externally, allowing for things like funding from a hardware wallet, or a channel created as a sub-branch within an existing channel factory.
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