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This commit adds a RevocationKeyLocator field to the OpenChannel struct so that the SCB derivation doesn't have to brute-force the sha chain root key and match the public key. ECDH derivation is now used to derive the key instead of regular private key derivation a la DerivePrivKey. The legacy can still be used to recover old channels.
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