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421d73b72e
In this commit, we add a new channel type bit: a frozen channel. A frozen channel is one that can only be cooperatively closed by the responder, but not the initiator. This channel type is useful for certain classes of channel factory like protocols. We then add a new key on the channel bucket level to store the height after which this restriction no longer applies.
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