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c18e166e03
In this commit, we extend the WitnessGenerator type to now return an InputScript. This allows it to be more encompassing, as now callers can expect a sigScript to be populated if the input being swept requires a sigScript field. Along the way, we've also renamed input.BuildWitness to input.CraftInputScript. We also take a step towards allowing the sweeper to sweep transactions for n2pwkh outputs. We do so by modifying the BuiltWitness method to instead return an InputScript. Additionally, when populating inputs if a sigScript is present, it will now be populated.
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