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5b063a0691
In this commit, we modify the way we generate the secrets for revocation roots to be fully deterministic. Rather than use a special key and derive all sub-roots from that (mixing in some “salts”), we’ll use the proper keychain.KeyFamily instead. This ensures that given a static description of the channel, we’re able to re-derive our revocation root properly.
lnwallet
The lnwallet package implements an abstracted wallet controller that is able to drive channel funding workflows, a number of script utilities, witness generation functions for the various Lightning scripts, revocation key derivation, and the commitment update state machine.
The package is used within lnd as the core wallet of the daemon. The wallet
itself is composed of several distinct interfaces that decouple the
implementation of things like signing and blockchain access. This separation
allows new WalletController implementations to be be easily dropped into
lnd without disrupting the code base. A series of integration tests at the
interface level are also in place to ensure conformance of the implementation
with the interface.
Installation and Updating
$ go get -u github.com/lightningnetwork/lnd/lnwallet