Merge pull request #3036 from TheBlueMatt/2024-05-filter-color

[rust-lightning] / ARCH.md

diff --git a/ARCH.md b/ARCH.md
index 3e2c3091be57adddc7ee9deec9e881510b46025c..bd5fc1bd3164a5ce749ade66c19bb55f6fd74700 100644 (file)
--- a/ARCH.md
+++ b/ARCH.md
@@ -11,10 +11,10 @@ receive `ChannelMonitorUpdate`s from `ChannelManager` and persist them to disk b
 channel steps forward.
 
 There are two additional important structures that you may use either on the same device
-as the `ChannelManager` or on a separate one. `NetGraphMsgHandler` handles receiving channel
-and node announcements, which are then used to calculate routes by `get_route` for sending payments.
-`PeerManager` handles the authenticated and encrypted communication protocol,
-monitoring for liveness of peers, routing messages to `ChannelManager` and `NetGraphMsgHandler`
+as the `ChannelManager` or on a separate one. `P2PGossipSync` handles receiving channel
+and node announcements, which are then used to calculate routes by `find_route` for sending
+payments. `PeerManager` handles the authenticated and encrypted communication protocol,
+monitoring for liveness of peers, routing messages to `ChannelManager` and `P2PGossipSync`
 instances directly, and receiving messages from them via the `EventsProvider` interface.
 
 These structs communicate with each other using a public API, so that you can easily add
@@ -37,26 +37,26 @@ At a high level, some of the common interfaces fit together as follows:
                      -----------------
                      | KeysInterface |  --------------
                      -----------------  | UserConfig |
-         --------------------       |   --------------
-   ------| MessageSendEvent |       |   |     ----------------
+         --------------------       ^   --------------
+   ------| MessageSendEvent |       |   ^     ----------------
   /      --------------------       |   |     | FeeEstimator | <-----------------------
  |   (as MessageSendEventsProvider) |   |     ----------------                         \
- |                         ^        |   |    /                ------------------------  |
+ |                         ^        |   |    ^                ------------------------  |
  |                          \       |   |   /      ---------> | BroadcasterInterface |  |
  |                           \      |   |  /      /           ------------------------  |
- |                            \     v   v v      /                          ^           |
+ |                            \     |   | /      /                          ^           |
  |    (as                      ------------------       ----------------    |           |
  |    ChannelMessageHandler)-> | ChannelManager | ----> | chain::Watch |    |           |
  v               /             ------------------       ----------------    |           |
 --------------- /                  (as EventsProvider)         ^            |           |
 | PeerManager |-                             \                 |            |           |
 ---------------                               \                | (is-a)     |           |
- |                    -----------------        \       _----------------   /           /
- |                    | chain::Access |         \     / | ChainMonitor |---------------
- |                    -----------------          \   /  ----------------
- |                            |                   \ /          |
-(as RoutingMessageHandler)    v                    v           v
-  \                   ----------------------   ---------   -----------------
-   -----------------> | NetGraphMsgHandler |   | Event |   | chain::Filter |
-                      ----------------------   ---------   -----------------
+ |                    --------------           \       _----------------   /           /
+ |                    | UtxoLookup |            \     / | ChainMonitor |---------------
+ |                    --------------             \   /  ----------------
+ |                            ^                   \ /          |
+(as RoutingMessageHandler)    |                    v           v
+  \                   -----------------        ---------   -----------------
+   -----------------> | P2PGossipSync |        | Event |   | chain::Filter |
+                      -----------------        ---------   -----------------
 ```