From 814722fdfb5ef5229d8e1812be197c1e71529228 Mon Sep 17 00:00:00 2001
From: aglkm <39521015+aglkm@users.noreply.github.com>
Date: Tue, 4 Jun 2024 16:33:50 +0300
Subject: [PATCH] search over unspent outputs

---
 src/data.rs                | 23 +++++++++++++++++
 src/main.rs                | 47 ++++++++++++++++++++++++++++++----
 src/requests.rs            | 38 +++++++++++++++++++++++++++-
 templates/output.html.tera | 52 ++++++++++++++++++++++++++++++++++++++
 templates/search.html.tera |  2 +-
 5 files changed, 155 insertions(+), 7 deletions(-)
 create mode 100644 templates/output.html.tera

diff --git a/src/data.rs b/src/data.rs
index 5622eea..a22439c 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -133,6 +133,29 @@ impl Kernel {
 }
 
 
+// Output data
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Output {
+    pub height:   String,
+    pub commit:   String,
+    pub out_type: String,
+    pub status:   String,
+    pub raw_data: String,
+}
+
+impl Output {
+    pub fn new() -> Output {
+        Output {
+            height:   String::new(),
+            commit:   String::new(),
+            out_type: String::new(),
+            status:   String::new(),
+            raw_data: String::new(),
+        }
+    }
+}
+
+
 // Transactions data
 #[derive(Debug)]
 pub struct Transactions {
diff --git a/src/main.rs b/src/main.rs
index e44474c..905ab14 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -19,6 +19,7 @@ use crate::data::Dashboard;
 use crate::data::Block;
 use crate::data::Transactions;
 use crate::data::Kernel;
+use crate::data::Output;
 use crate::requests::CONFIG;
 
 
@@ -149,11 +150,33 @@ async fn kernel(excess: &str) -> Template {
 }
 
 
+// Rendering page for a specified output.
+#[get("/output/<commit>")]
+async fn output(commit: &str) -> Template {
+    let mut output = Output::new();
+
+    let _ = requests::get_output(&commit, &mut output).await;
+
+    if output.commit.is_empty() == false {
+        return Template::render("output", context! {
+            route:  "output",
+            cg_api: CONFIG.coingecko_api.clone(),
+            output,
+        })
+    }
+
+    return Template::render("error", context! {
+        route:  "error",
+        cg_api: CONFIG.coingecko_api.clone(),
+    })
+}
+
+
 // Handling search request.
 // Using Option<&str> to match '/search' query without input params.
 // https://github.com/rwf2/Rocket/issues/608
 #[get("/search?<input>")]
-fn search(input: Option<&str>) -> Either<Template, Redirect> {
+pub async fn search(input: Option<&str>) -> Either<Template, Redirect> {
     // Unwrap Option and forward to Search page if no parameters
     let input = match input {
         Some(value) => value,
@@ -174,9 +197,23 @@ fn search(input: Option<&str>) -> Either<Template, Redirect> {
         } else if input.len() == 64 {
             return Either::Right(Redirect::to(uri!(block_header_by_hash(input))));
             
-        // Kernel
+        // Kernel or Output
         } else if input.len() == 66 {
-            return Either::Right(Redirect::to(uri!(kernel(input))));
+            // First search for Kernel
+            let mut kernel = Kernel::new();
+
+            let _ = requests::get_kernel(&input, &mut kernel).await;
+
+            if kernel.excess.is_empty() == false {
+                return Either::Left(Template::render("kernel", context! {
+                    route:  "kernel",
+                    cg_api: CONFIG.coingecko_api.clone(),
+                    kernel,
+                }));
+            } else {
+                // If Kernel not found, then search for Output
+                return Either::Right(Redirect::to(uri!(output(input))));
+            }
         }
     }
     
@@ -188,6 +225,7 @@ fn search(input: Option<&str>) -> Either<Template, Redirect> {
 
 
 // Owner API.
+// Whitelisted methods: get_connected_peers, get_peers, get_status.
 #[post("/v2/owner", data="<data>")]
 async fn api_owner(data: &str) -> String {
     if CONFIG.public_api == "enabled" {
@@ -203,7 +241,6 @@ async fn api_owner(data: &str) -> String {
             _ => return "{\"error\":\"bad syntax\"}".to_string(),
         };
     
-        // Whitelisted methods: get_connected_peer, get_peers, get_status.
         if method == "get_connected_peers" || method == "get_peers" || method == "get_status" {
             let resp = requests::call(method, v["params"].to_string().as_str(), v["id"].to_string().as_str(), "owner").await;
 
@@ -646,7 +683,7 @@ async fn main() {
                                 block_weight, block_details_by_height, block_header_by_hash,
                                 soft_supply, production_cost, reward_ratio, breakeven_cost,
                                 last_block_age, block_list_by_height, block_list_index, search, kernel,
-                                api_owner, api_foreign])
+                                output, api_owner, api_foreign])
             .mount("/static", FileServer::from("static"))
             .attach(Template::fairing())
             .launch()
diff --git a/src/requests.rs b/src/requests.rs
index bf64796..4baa48f 100644
--- a/src/requests.rs
+++ b/src/requests.rs
@@ -16,7 +16,8 @@ use crate::data::Dashboard;
 use crate::data::Block;
 use crate::data::Transactions;
 use crate::data::ExplorerConfig;
-use crate::Kernel;
+use crate::data::Kernel;
+use crate::data::Output;
 
 
 // Static explorer config structure
@@ -447,6 +448,41 @@ pub async fn get_kernel(excess: &str, kernel: &mut Kernel) -> Result<(), anyhow:
 }
 
 
+// Get output.
+pub async fn get_output(commit: &str, output: &mut Output) -> Result<(), anyhow::Error> {
+    // First check whether output is broadcasted but not confirmed yet (in mempool)
+    let mut resp = call("get_unconfirmed_transactions", "[]", "1", "foreign").await?;
+    
+    if resp["result"]["Ok"].is_null() == false {
+        for tx in resp["result"]["Ok"].as_array().unwrap() {
+            for out in tx["tx"]["body"]["outputs"].as_array().unwrap() {
+                if out["commit"].as_str().unwrap() == commit {
+                    // Only Plain outputs in the mempool
+                    output.out_type = "Plain".to_string();
+                    output.commit   = out["commit"].as_str().unwrap().to_string();
+                    output.status   = "Unconfirmed".to_string();
+                    // Found it, no need to continue
+                    return Ok(());
+                }
+            }
+        }
+    }
+    
+    let params = &format!("[[\"{}\"], null, null, true, true]", commit)[..];
+
+    resp = call("get_outputs", params, "1", "foreign").await?;
+    
+    if resp["result"]["Ok"][0].is_null() == false {
+        output.height   = resp["result"]["Ok"][0]["block_height"].to_string();
+        output.commit   = resp["result"]["Ok"][0]["commit"].as_str().unwrap().to_string();
+        output.out_type = resp["result"]["Ok"][0]["output_type"].as_str().unwrap().to_string();
+        output.raw_data = serde_json::to_string_pretty(&resp).unwrap()
+    }
+
+    Ok(())
+}
+
+
 // Collecting block kernels for transactions stats.
 pub async fn get_block_kernels(height: &String, blocks: &mut Vec<Block>)
              -> Result<(), anyhow::Error> {
diff --git a/templates/output.html.tera b/templates/output.html.tera
new file mode 100644
index 0000000..2ef9414
--- /dev/null
+++ b/templates/output.html.tera
@@ -0,0 +1,52 @@
+{% extends "base" %}
+
+{% block content %}
+
+<code>
+
+  <div class="card rounded-0">
+    <div class="card-body">
+      <div class="d-flex justify-content-between">
+        <div class="darkorange-text"><i class="bi bi-card-text"></i> OUTPUT</div>
+        {% if output.status == "Unconfirmed" %}
+          <span class="badge text-bg-warning px-2 py-2">UNCONFIRMED</span>
+        {% endif %}
+      </div>
+      <br>
+      <div class="d-flex justify-content-between">
+        <div class="value-text">Commitment&nbsp;</div>
+        <div class="value-text text-break text-end">{{ output.commit }}</div>
+      </div>
+      {% if output.status != "Unconfirmed" %}
+      <br>
+      <div class="d-flex justify-content-between">
+        <div class="value-text">Block Height&nbsp;</div>
+        <div class="value-text text-end">
+          <a class="text-decoration-none" href="/block/{{ output.height }}">
+            {{ output.height }} <i class="bi bi-box-arrow-up-right"></i>
+          </a>
+        </div>
+      </div>
+      {% endif %}
+      <br>
+      <div class="d-flex justify-content-between">
+        <div class="value-text">Type&nbsp;</div>
+        <div class="value-text text-end">{{ output.out_type }}</div>
+      </div>
+    </div>
+  </div>
+
+  {% if output.status != "Unconfirmed" %}
+    <div class="card border-top-0 rounded-0">
+      <div class="card-body" align="left">
+        <div class="darkorange-text"><i class="bi bi-layout-text-sidebar-reverse"></i> RAW DATA</div>
+        <br>
+        <div class="value-text">{{ output.raw_data }}</div>
+      </div>
+    </div>
+  {% endif %}
+
+</code>
+
+{% endblock %}
+
diff --git a/templates/search.html.tera b/templates/search.html.tera
index 9ca1716..dbda3b0 100644
--- a/templates/search.html.tera
+++ b/templates/search.html.tera
@@ -4,7 +4,7 @@
 
 <code>
 
-  <div class="card">
+  <div class="card rounded-0">
     <div class="card-body mx-2 mt-2 mb-3">
       <div class="d-flex justify-content-start mb-1">
         <i class="bi bi-box darkorange-text"></i>&nbsp;