Fetching the final shard result will also be done for calls to
SendToRoute, so we extract this code into a new method.
We move the call to the ControlTower to set the payment level failure
out into the payment loop, as this must be handled differently when
multiple shards are in flight, and for SendToRoute.
The routing package implements authentication+validation of channel
announcements, pruning of the channel graph, path finding within the network,
sending outgoing payments into the network and synchronizing new peers to our
channel graph state.
Installation and Updating
$ go get -u github.com/lightningnetwork/lnd/routing
2c01e79eb5
