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a18d9b8449
This commit modifies the GetUtxo method of the BlockChainIO interface to be more light client friendly by introducing a height hint which gives light clients that don’t have UTXO set commitments a way in which they can restrict their search space. Light clients will now be able to have a concrete cut off point in the chain as they scan backwards for spentness of an output.
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