From 737f414f9fed35ef5699b225cbc985ddbb7e1d7c Mon Sep 17 00:00:00 2001
From: raph <raphjaph@protonmail.com>
Date: Tue, 19 Mar 2024 05:43:39 +0100
Subject: [PATCH] Display mintability on /rune (#3324)

---
 src/subcommand/server.rs | 31 +++++++++++++++++++++++++++----
 src/templates/rune.rs    |  8 ++++++++
 templates/rune.html      |  2 ++
 tests/json_api.rs        |  1 +
 tests/lib.rs             | 16 +++++++++++++---
 5 files changed, 51 insertions(+), 7 deletions(-)

diff --git a/src/subcommand/server.rs b/src/subcommand/server.rs
index 76d0a4b3d0..c5963bf0e1 100644
--- a/src/subcommand/server.rs
+++ b/src/subcommand/server.rs
@@ -684,12 +684,35 @@ impl Server {
         .rune(rune)?
         .ok_or_not_found(|| format!("rune {rune}"))?;
 
+      let block_height = index.block_height()?.unwrap_or(Height(0));
+
+      let block_time: u32 = index
+        .block_time(block_height)?
+        .unix_timestamp()
+        .try_into()
+        .unwrap_or_default();
+
+      let mintable = entry
+        .mintable(Height(block_height.n() + 1), block_time)
+        .is_ok();
+
       Ok(if accept_json {
-        Json(api::Rune { entry, id, parent }).into_response()
+        Json(api::Rune {
+          entry,
+          id,
+          mintable,
+          parent,
+        })
+        .into_response()
       } else {
-        RuneHtml { entry, id, parent }
-          .page(server_config)
-          .into_response()
+        RuneHtml {
+          entry,
+          id,
+          mintable,
+          parent,
+        }
+        .page(server_config)
+        .into_response()
       })
     })
   }
diff --git a/src/templates/rune.rs b/src/templates/rune.rs
index 50c452fcd9..91e62a0c14 100644
--- a/src/templates/rune.rs
+++ b/src/templates/rune.rs
@@ -4,6 +4,7 @@ use super::*;
 pub struct RuneHtml {
   pub entry: RuneEntry,
   pub id: RuneId,
+  pub mintable: bool,
   pub parent: Option<InscriptionId>,
 }
 
@@ -40,6 +41,7 @@ mod tests {
           timestamp: 0,
         },
         id: RuneId { block: 10, tx: 9 },
+        mintable: true,
         parent: Some(InscriptionId {
           txid: Txid::all_zeros(),
           index: 0,
@@ -69,6 +71,8 @@ mod tests {
       <dd>1.000000001 %</dd>
       <dt>mints</dt>
       <dd>100</dd>
+      <dt>mintable</dt>
+      <dd>true</dd>
     </dl>
   </dd>
   <dt>supply</dt>
@@ -109,6 +113,7 @@ mod tests {
           timestamp: 0,
         },
         id: RuneId { block: 10, tx: 9 },
+        mintable: false,
         parent: None,
       },
       "<h1>B•CGDENLQRQWDSLRUGSNLBTMFIJAV</h1>
@@ -165,6 +170,7 @@ mod tests {
           timestamp: 0,
         },
         id: RuneId { block: 10, tx: 9 },
+        mintable: false,
         parent: None,
       },
       "<h1>B•CGDENLQRQWDSLRUGSNLBTMFIJAV</h1>
@@ -190,6 +196,8 @@ mod tests {
       <dd>none</dd>
       <dt>mints</dt>
       <dd>0</dd>
+      <dt>mintable</dt>
+      <dd>false</dd>
     </dl>
   </dd>
   <dt>supply</dt>
diff --git a/templates/rune.html b/templates/rune.html
index 38e249af0f..38532497f8 100644
--- a/templates/rune.html
+++ b/templates/rune.html
@@ -37,6 +37,8 @@ <h1>{{ self.entry.spaced_rune() }}</h1>
 %% }
       <dt>mints</dt>
       <dd>{{ self.entry.mints }}</dd>
+      <dt>mintable</dt>
+      <dd>{{ self.mintable }}</dd>
     </dl>
   </dd>
 %% } else {
diff --git a/tests/json_api.rs b/tests/json_api.rs
index c8675c4640..e4d7d61637 100644
--- a/tests/json_api.rs
+++ b/tests/json_api.rs
@@ -557,6 +557,7 @@ fn get_runes() {
         timestamp: 11,
       },
       id: RuneId { block: 11, tx: 1 },
+      mintable: false,
       parent: Some(InscriptionId {
         txid: a.inscribe.reveal,
         index: 0,
diff --git a/tests/lib.rs b/tests/lib.rs
index 45c681ae2b..f98827d12f 100644
--- a/tests/lib.rs
+++ b/tests/lib.rs
@@ -227,10 +227,12 @@ fn batch(
 
   bitcoin_rpc_server.mine_blocks(1);
 
-  let height = bitcoin_rpc_server.height();
+  let block_height = bitcoin_rpc_server.height();
+  let block_hash = *bitcoin_rpc_server.state().hashes.last().unwrap();
+  let block_time = bitcoin_rpc_server.state().blocks[&block_hash].header.time;
 
   let id = RuneId {
-    block: u32::try_from(height).unwrap(),
+    block: u32::try_from(block_height).unwrap(),
     tx: 1,
   };
 
@@ -250,8 +252,12 @@ fn batch(
   if let Some(mint) = mint {
     mint_definition.push("<dd>".into());
     mint_definition.push("<dl>".into());
+
+    let mut mintable = true;
+
     mint_definition.push("<dt>deadline</dt>".into());
     if let Some(deadline) = mint.deadline {
+      mintable &= block_time < deadline;
       mint_definition.push(format!(
         "<dd><time>{}</time></dd>",
         ord::timestamp(deadline)
@@ -263,7 +269,8 @@ fn batch(
     mint_definition.push("<dt>end</dt>".into());
 
     if let Some(term) = mint.term {
-      let end = height + u64::from(term);
+      let end = block_height + u64::from(term);
+      mintable &= block_height + 1 < end;
       mint_definition.push(format!("<dd><a href=/block/{end}>{end}</a></dd>"));
     } else {
       mint_definition.push("<dd>none</dd>".into());
@@ -283,6 +290,9 @@ fn batch(
     mint_definition.push("<dt>mints</dt>".into());
     mint_definition.push("<dd>0</dd>".into());
 
+    mint_definition.push("<dt>mintable</dt>".into());
+    mint_definition.push(format!("<dd>{mintable}</dd>"));
+
     mint_definition.push("</dl>".into());
     mint_definition.push("</dd>".into());
   } else {