Implement to and from for PublicKey and NodeId

Author: benthecarman

lightning/src/routing/gossip.rs

@@ -130,6 +130,18 @@ impl Readable for NodeId {
 	}
 }
 
+impl From<PublicKey> for NodeId {
+	fn from(pubkey: PublicKey) -> Self {
+		Self::from_pubkey(&pubkey)
+	}
+}
+
+impl From<NodeId> for PublicKey {
+	fn from(node_id: NodeId) -> PublicKey {
+		PublicKey::from_slice( &node_id.0).unwrap()
+	}
+}
+
 /// Represents the network as nodes and channels between them
 pub struct NetworkGraph<L: Deref> where L::Target: Logger {
 	secp_ctx: Secp256k1<secp256k1::VerifyOnly>,