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8dcfeeaef5
In this commit, we move to explicitly storing a bit more information within the invoice. Currently this information is already stored in the payment request, but by storing it at this level, callers that may not be in the state to fully decode a payment request can obtain this data. We avoid a database migration by appending this data to the end of an invoice. When decoding, we'll try to read out this extra information, and simply return what we have if it isn't found.
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