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Look-up functions for ReadOnlyNetworkGraph #1543

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Merged
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Jul 14, 2022
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Look-up functions for ReadOnlyNetworkGraph #1543

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10 changes: 10 additions & 0 deletions lightning/src/routing/gossip.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1602,13 +1602,23 @@ impl ReadOnlyNetworkGraph<'_> {
&*self.channels
}

/// Returns information on a channel with the given id.
pub fn channel(&self, short_channel_id: u64) -> Option<&ChannelInfo> {
self.channels.get(&short_channel_id)
}

/// Returns all known nodes' public keys along with announced node info.
///
/// (C-not exported) because we have no mapping for `BTreeMap`s
pub fn nodes(&self) -> &BTreeMap<NodeId, NodeInfo> {
&*self.nodes
}

/// Returns information on a node with the given id.
pub fn node(&self, node_id: &NodeId) -> Option<&NodeInfo> {
self.nodes.get(node_id)
}

/// Get network addresses by node id.
/// Returns None if the requested node is completely unknown,
/// or if node announcement for the node was never received.
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