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7feb8b21e1
In this commit, we update new Taproot related TLVs (nonces, partial sig, sig with nonce, etc). Along the way we were able to get rid of some boiler plate, but most importantly, we're able to better protect against API misuse (using a nonce that isn't initialized, etc) with the new options API. In some areas this introduces a bit of extra boiler plate, and where applicable I used some new helper functions to help cut down on the noise. Note to reviewers: this is done as a single commit, as changing the API breaks all callers, so if we want things to compile it needs to be in a wumbo commit.
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 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