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2edbe6b878
We split up the functionality in getRouteUnifiers into checking that all edges exist via getEdgeUnifiers and then add a backward pass that will be responsible for determining the sender amount. We remove the node pub key from the error string, as in route building this is duplicate info, which can be determined from the input keys, further it's not available in the backward pass anymore. We refactor the BuildRoute test to use the require library and add a test case for a max HTLC violation on the last hop.
routing
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