From f41c1b6f01f7e0d7b1bea636eb21bbb30b3b085f Mon Sep 17 00:00:00 2001
From: Greg Martin <gmartin7t2@gmail.com>
Date: Wed, 7 Feb 2024 18:09:56 +0000
Subject: [PATCH] Show 'genesis outpoint' and 'genesis address' on
 /inscription/ pages.

---
 src/index/entry.rs                       | 32 ++++++++++++++++++++++++
 src/index/updater/inscription_updater.rs |  1 +
 src/subcommand/server.rs                 | 15 +++++++++++
 src/templates/inscription.rs             |  2 ++
 templates/inscription.html               |  5 ++++
 5 files changed, 55 insertions(+)

diff --git a/src/index/entry.rs b/src/index/entry.rs
index 34cc3c8bcd..bf1e8afa44 100644
--- a/src/index/entry.rs
+++ b/src/index/entry.rs
@@ -255,6 +255,7 @@ pub(crate) struct InscriptionEntry {
   pub(crate) height: u32,
   pub(crate) id: InscriptionId,
   pub(crate) inscription_number: i32,
+  pub(crate) outpoint: OutPoint,
   pub(crate) parent: Option<u32>,
   pub(crate) sat: Option<Sat>,
   pub(crate) sequence_number: u32,
@@ -271,6 +272,8 @@ pub(crate) type InscriptionEntryValue = (
   Option<u64>,        // sat
   u32,                // sequence number
   u32,                // timestamp
+  (u128, u128),       // txid
+  u32,                // vout
 );
 
 impl Entry for InscriptionEntry {
@@ -288,6 +291,8 @@ impl Entry for InscriptionEntry {
       sat,
       sequence_number,
       timestamp,
+      txid,
+      vout,
     ): InscriptionEntryValue,
   ) -> Self {
     Self {
@@ -296,6 +301,19 @@ impl Entry for InscriptionEntry {
       height,
       id: InscriptionId::load(id),
       inscription_number,
+      outpoint: OutPoint {
+        txid: {
+          let low = txid.0.to_le_bytes();
+          let high = txid.1.to_le_bytes();
+          Txid::from_byte_array([
+            low[0], low[1], low[2], low[3], low[4], low[5], low[6], low[7], low[8], low[9], low[10],
+            low[11], low[12], low[13], low[14], low[15], high[0], high[1], high[2], high[3], high[4],
+            high[5], high[6], high[7], high[8], high[9], high[10], high[11], high[12], high[13],
+            high[14], high[15],
+          ])
+        },
+        vout,
+      },
       parent,
       sat: sat.map(Sat),
       sequence_number,
@@ -314,6 +332,20 @@ impl Entry for InscriptionEntry {
       self.sat.map(Sat::n),
       self.sequence_number,
       self.timestamp,
+      {
+        let bytes = self.outpoint.txid.to_byte_array();
+        (
+          u128::from_le_bytes([
+            bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7],
+            bytes[8], bytes[9], bytes[10], bytes[11], bytes[12], bytes[13], bytes[14], bytes[15],
+          ]),
+          u128::from_le_bytes([
+            bytes[16], bytes[17], bytes[18], bytes[19], bytes[20], bytes[21], bytes[22], bytes[23],
+            bytes[24], bytes[25], bytes[26], bytes[27], bytes[28], bytes[29], bytes[30], bytes[31],
+          ]),
+        )
+      },
+      self.outpoint.vout,
     )
   }
 }
diff --git a/src/index/updater/inscription_updater.rs b/src/index/updater/inscription_updater.rs
index 1038ebd7c6..a4e4109faa 100644
--- a/src/index/updater/inscription_updater.rs
+++ b/src/index/updater/inscription_updater.rs
@@ -513,6 +513,7 @@ impl<'a, 'db, 'tx> InscriptionUpdater<'a, 'db, 'tx> {
             height: self.height,
             id: inscription_id,
             inscription_number,
+            outpoint: if unbound { unbound_outpoint() } else { new_satpoint.outpoint },
             parent,
             sat,
             sequence_number,
diff --git a/src/subcommand/server.rs b/src/subcommand/server.rs
index 147641649a..b3317f1bcc 100644
--- a/src/subcommand/server.rs
+++ b/src/subcommand/server.rs
@@ -1676,6 +1676,19 @@ impl Server {
       let info = Index::inscription_info(&index, query)?
         .ok_or_not_found(|| format!("inscription {query}"))?;
 
+      let genesis_outpoint = info.entry.outpoint;
+      let genesis_output = if genesis_outpoint == OutPoint::null() || genesis_outpoint == unbound_outpoint() {
+        TxOut {value: 0, script_pubkey: ScriptBuf::new()}
+      } else {
+        index
+          .get_transaction(genesis_outpoint.txid)?
+          .ok_or_not_found(|| format!("output {genesis_outpoint}"))?
+          .output
+          .into_iter()
+          .nth(genesis_outpoint.vout as usize)
+          .ok_or_not_found(|| format!("output {genesis_outpoint}"))?
+      };
+
       Ok(if accept_json {
         Json(InscriptionJson {
           inscription_id: info.entry.id,
@@ -1717,6 +1730,8 @@ impl Server {
           children: info.children,
           genesis_fee: info.entry.fee,
           genesis_height: info.entry.height,
+          genesis_outpoint,
+          genesis_output,
           inscription: info.inscription,
           inscription_id: info.entry.id,
           inscription_number: info.entry.inscription_number,
diff --git a/src/templates/inscription.rs b/src/templates/inscription.rs
index 2470424a35..369faf9ece 100644
--- a/src/templates/inscription.rs
+++ b/src/templates/inscription.rs
@@ -6,6 +6,8 @@ pub(crate) struct InscriptionHtml {
   pub(crate) children: Vec<InscriptionId>,
   pub(crate) genesis_fee: u64,
   pub(crate) genesis_height: u32,
+  pub(crate) genesis_outpoint: OutPoint,
+  pub(crate) genesis_output: TxOut,
   pub(crate) inscription: Inscription,
   pub(crate) inscription_id: InscriptionId,
   pub(crate) inscription_number: i32,
diff --git a/templates/inscription.html b/templates/inscription.html
index 8294498cf2..2958394b28 100644
--- a/templates/inscription.html
+++ b/templates/inscription.html
@@ -94,6 +94,11 @@ <h1>Inscription {{ self.inscription_number }}</h1>
   <dd>{{ self.genesis_fee }}</dd>
   <dt>genesis transaction</dt>
   <dd><a class=monospace href=/tx/{{ self.inscription_id.txid }}>{{ self.inscription_id.txid }}</a></dd>
+  <dt>genesis outpoint</dt>
+  <dd><a class=monospace href=/output/{{ self.genesis_outpoint }}>{{ self.genesis_outpoint }}</a></dd>
+%% if let Ok(address) = self.chain.address_from_script(&self.genesis_output.script_pubkey ) {
+  <dt>genesis address</dt><dd class=monospace>{{ address }}</dd>
+%% }
   <dt>location</dt>
   <dd class=monospace>{{ self.satpoint }}</dd>
   <dt>output</dt>