From da59407655cf6b2fd83002026eb4bee720e6be41 Mon Sep 17 00:00:00 2001
From: Casey Rodarmor <casey@rodarmor.com>
Date: Mon, 9 Jan 2023 19:16:26 -0800
Subject: [PATCH 1/2] Use Inscription::to_witness in test

---
 src/inscription.rs | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/src/inscription.rs b/src/inscription.rs
index d64519f348..c742a4eaa1 100644
--- a/src/inscription.rs
+++ b/src/inscription.rs
@@ -591,13 +591,6 @@ mod tests {
 
   #[test]
   fn do_not_extract_from_second_input() {
-    let script = script::Builder::new()
-      .push_opcode(opcodes::OP_FALSE)
-      .push_opcode(opcodes::all::OP_IF)
-      .push_slice("ord".as_bytes())
-      .push_opcode(opcodes::all::OP_ENDIF)
-      .into_script();
-
     let tx = Transaction {
       version: 0,
       lock_time: bitcoin::PackedLockTime(0),
@@ -612,7 +605,7 @@ mod tests {
           previous_output: OutPoint::null(),
           script_sig: Script::new(),
           sequence: Sequence(0),
-          witness: Witness::from_vec(vec![script.into_bytes(), vec![]]),
+          witness: inscription("foo", [1; 1040]).to_witness(),
         },
       ],
       output: Vec::new(),

From f42ccbcb1bf2f20a92b9326dfbbf288b7a0282b8 Mon Sep 17 00:00:00 2001
From: Casey Rodarmor <casey@rodarmor.com>
Date: Mon, 9 Jan 2023 19:24:50 -0800
Subject: [PATCH 2/2] Add test that second inscription is ignored

---
 src/inscription.rs | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/inscription.rs b/src/inscription.rs
index c742a4eaa1..82712c2c7b 100644
--- a/src/inscription.rs
+++ b/src/inscription.rs
@@ -63,7 +63,7 @@ impl Inscription {
     })
   }
 
-  pub(crate) fn append_reveal_script(&self, mut builder: script::Builder) -> Script {
+  fn append_reveal_script_to_builder(&self, mut builder: script::Builder) -> script::Builder {
     builder = builder
       .push_opcode(opcodes::OP_FALSE)
       .push_opcode(opcodes::all::OP_IF)
@@ -82,7 +82,11 @@ impl Inscription {
       }
     }
 
-    builder.push_opcode(opcodes::all::OP_ENDIF).into_script()
+    builder.push_opcode(opcodes::all::OP_ENDIF)
+  }
+
+  pub(crate) fn append_reveal_script(&self, builder: script::Builder) -> Script {
+    self.append_reveal_script_to_builder(builder).into_script()
   }
 
   pub(crate) fn content(&self) -> Option<Content> {
@@ -614,6 +618,32 @@ mod tests {
     assert_eq!(Inscription::from_transaction(&tx), None);
   }
 
+  #[test]
+  fn do_not_extract_from_second_envelope() {
+    let mut builder = script::Builder::new();
+    builder = inscription("foo", [1; 100]).append_reveal_script_to_builder(builder);
+    builder = inscription("bar", [1; 100]).append_reveal_script_to_builder(builder);
+
+    let witness = Witness::from_vec(vec![builder.into_script().into_bytes(), vec![]]);
+
+    let tx = Transaction {
+      version: 0,
+      lock_time: bitcoin::PackedLockTime(0),
+      input: vec![TxIn {
+        previous_output: OutPoint::null(),
+        script_sig: Script::new(),
+        sequence: Sequence(0),
+        witness,
+      }],
+      output: Vec::new(),
+    };
+
+    assert_eq!(
+      Inscription::from_transaction(&tx),
+      Some(inscription("foo", [1; 100]))
+    );
+  }
+
   #[test]
   fn inscribe_png() {
     assert_eq!(