From bdf4eede98acfc7bd2e86b8123e7d9f11e44c1e4 Mon Sep 17 00:00:00 2001
From: edouard <m@edouard.paris>
Date: Wed, 29 Jun 2022 11:57:14 +0200
Subject: [PATCH] Add deposit_outpoints to get_spend_tx

Adding this new field simplifies greatly
the caching of spend transaction on the
watchtower side.

It is possible to change the API further
by changing `get_spend_tx <deposit_outpoint>`
for `get_spend_txs [<deposit_outpoint>, ...]`
---
 messages.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/messages.md b/messages.md
index 702130b..f1cfc1c 100644
--- a/messages.md
+++ b/messages.md
@@ -352,7 +352,8 @@ return `null`.
 ```json
 {
     "result": {
-        "spend_tx": "base64 of Bitcoin-serialized spend tx"
+        "spend_tx": "base64 of Bitcoin-serialized spend tx",
+        "deposit_outpoints": ["txid:vout", "txid:vout"]
     }
 }
 ```
@@ -361,6 +362,7 @@ or, if the coordinator doesn't have the spend:
 {
     "result": {
         "spend_tx": null,
+        "deposit_outpoints": []
     }
 }
 ```