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Merge pull request #6647 from guggero/empty-graph

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bugfix: avoid panic with empty graph
This commit is contained in:
Oliver Gugger
2022-06-16 14:21:51 +02:00
committed by GitHub
parent 9e6f0ef46b 5aacc251de
commit daaeab1479
2 changed files with 8 additions and 0 deletions
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5
autopilot/simple_graph.go
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@@ -132,6 +132,11 @@ func (graph *SimpleGraph) shortestPathLengths(node int) map[int]uint32 {
// thisLevel contains the nodes that are explored in the round. // thisLevel contains the nodes that are explored in the round.
thisLevel := make([]int, 0, graphOrder) thisLevel := make([]int, 0, graphOrder)
// Abort if we have an empty graph.
if len(graph.Adj) == 0 {
return seen
}
// We discover other nodes in a ring-like structure as long as we don't // We discover other nodes in a ring-like structure as long as we don't
// have more nodes to explore. // have more nodes to explore.
for len(nextLevel) > 0 { for len(nextLevel) > 0 {

3
docs/release-notes/release-notes-0.15.0.md
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@@ -185,6 +185,9 @@ from occurring that would result in an erroneous force close.](https://github.co
* [Fixes a bug that would cause `SignPsbt` to panic w/ an underspecified packet](https://github.com/lightningnetwork/lnd/pull/6611) * [Fixes a bug that would cause `SignPsbt` to panic w/ an underspecified packet](https://github.com/lightningnetwork/lnd/pull/6611)
* [Fixes a panic in the graph diameter calculation if the graph is
empty](https://github.com/lightningnetwork/lnd/pull/6647).
## Routing ## Routing
* [Add a new `time_pref` parameter to the QueryRoutes and SendPayment APIs](https://github.com/lightningnetwork/lnd/pull/6024) that * [Add a new `time_pref` parameter to the QueryRoutes and SendPayment APIs](https://github.com/lightningnetwork/lnd/pull/6024) that