This can happen on startup if the various call-sites of SetSourceNode are triggered with the same node announcement LastUpdate time since it would then not pass the DB constraint: ...

The third article in the Bitcoin Layer 2 series. This article covers the Lightning Network created by Joseph Poon and Tadge Dryja.

Harris County Judge Lina Hidalgo intends to announce her decision on if she will run again in 2026 in the coming weeks, according to a Thursday evening news release.

This announcement includes the nodes identity key, a network address they can be reached at, any nickname they choose to assign, and a few other pieces of metadata.