From e2ff23b3f07215450e75779f7f944d24660a9d47 Mon Sep 17 00:00:00 2001
From: James O'Beirne <james.obeirne@pm.me>
Date: Wed, 28 Jun 2023 12:06:35 -0400
Subject: [PATCH] fiuxp! allow larger trigger/recovery output amounts

Allow trigger/recovery output nValues to exceed the amounts supplied by
constituent vault inputs. This allows future compatibility for e.g.
trigger collateral.
---
 bip-0345.mediawiki | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bip-0345.mediawiki b/bip-0345.mediawiki
index b7692ebe..1447346b 100644
--- a/bip-0345.mediawiki
+++ b/bip-0345.mediawiki
@@ -351,7 +351,9 @@ def validate_deferred_checks(checks: [DeferredCheck], tx: Transaction) -> bool:
             out_map[c.vout_idx] += c.input_amount
 
     for (vout_idx, amount_sats) in out_map.items():
-        if tx.vout[vout_idx].nValue != amount_sats:
+        # Trigger/recovery value can be greater than the constituent vault input
+        # amounts.
+        if tx.vout[vout_idx].nValue < amount_sats:
             return False
 
     return True