From f2312593da8b27c6c6a69c7b0463959369c5acb6 Mon Sep 17 00:00:00 2001
From: Antoine Poinsot <darosior@protonmail.com>
Date: Thu, 8 Dec 2022 16:58:14 +0100
Subject: [PATCH] commands: check for dust outputs in the PSBT sanity checks

---
 src/commands/mod.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/commands/mod.rs b/src/commands/mod.rs
index 890da887..05183ea0 100644
--- a/src/commands/mod.rs
+++ b/src/commands/mod.rs
@@ -162,6 +162,13 @@ fn sanity_check_psbt(psbt: &Psbt) -> Result<(), CommandError> {
         return Err(CommandError::SanityCheckFailure(psbt.clone()));
     }
 
+    // Check for dust outputs
+    for txo in psbt.unsigned_tx.output.iter() {
+        if txo.value < txo.script_pubkey.dust_value().to_sat() {
+            return Err(CommandError::SanityCheckFailure(psbt.clone()));
+        }
+    }
+
     Ok(())
 }