From 9fd9873bc19eea7cc51bf818d4914fd1beb31a5a Mon Sep 17 00:00:00 2001
From: Arthur Roberts <arfa.r@live.com>
Date: Mon, 15 Jul 2024 22:07:33 +0100
Subject: [PATCH] Added "From Blockchain Time" / "To Obsolete Time"

I hardly believe it myself, but this "just werkded" (TM) the first time
---
 src/lib.rs                        | 14 ++++++++++++++
 src/main.rs                       | 19 +++++++++++++++++--
 templates/index.html.tera         | 15 +++++++++++++--
 templates/obsolete_time.html.tera |  7 +++++++
 4 files changed, 51 insertions(+), 4 deletions(-)
 create mode 100644 templates/obsolete_time.html.tera

diff --git a/src/lib.rs b/src/lib.rs
index c82590a..f928bc0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,7 @@ use rocket::serde::Serialize;
 use std::convert::Into;
 use std::sync::RwLock;
 use serde_with::{serde_as, DisplayFromStr};
+use std::str::FromStr;
 
 pub enum BlockchainSupported {
     BTC,
@@ -12,6 +13,19 @@ pub enum BlockchainSupported {
     ETH,
 }
 
+impl FromStr for BlockchainSupported {
+    type Err = String;
+    fn from_str(val: &str) -> Result<Self, Self::Err> {
+        match val {
+            "BTC" => Ok(BlockchainSupported::BTC),
+            "BSV" => Ok(BlockchainSupported::BSV),
+            "XMR" => Ok(BlockchainSupported::XMR),
+            "ETH" => Ok(BlockchainSupported::ETH),
+            _ => Err("You picked an unsupported blockchain type! Create a patch and I'll probably accept it!".to_string())
+        }
+    }
+}
+
 type BlockHeight = i64;
 
 #[serde_as]
diff --git a/src/main.rs b/src/main.rs
index e065b38..1ff6e1e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,6 @@
 #[macro_use] extern crate rocket;
 use rocket_dyn_templates::{context, Template};
-use blockchain_time::{BlockchainInfo, BlockchainSupported, update_all_blockheights, time_to_blockheight_specific_chain};
+use blockchain_time::{BlockchainInfo, BlockchainSupported, update_all_blockheights, time_to_blockheight_specific_chain, blockheight_specific_chain_to_time};
 use chrono::prelude::*;
 
 #[get("/")]
@@ -48,8 +48,23 @@ fn to_blockchain_time(input_datetime: &str) -> Template {
     Template::render("blockchain_time_results", context)
 }
 
+#[get("/to_obsolete_time?<blockheight>&<blockchain>")]
+fn to_obsolete_time(blockheight: i64, blockchain: &str) -> Template {
+    let blockchain: Result<BlockchainSupported, String> = blockchain.parse();
+    let blockchain = match blockchain {
+        Ok(bl) => bl,
+        Err(err) => {
+            return Template::render("error", context!{ error: err });
+        }
+    };
+    let context = context! {
+        time: blockheight_specific_chain_to_time(blockheight, blockchain)
+    };
+    Template::render("obsolete_time", context)
+}
+
 #[launch]
 fn rocket() -> _ {
-    rocket::build().mount("/", routes![index, update_blockchains, to_blockchain_time])
+    rocket::build().mount("/", routes![index, update_blockchains, to_blockchain_time, to_obsolete_time])
         .attach(Template::fairing())
 }
diff --git a/templates/index.html.tera b/templates/index.html.tera
index 9eb692f..c413d70 100644
--- a/templates/index.html.tera
+++ b/templates/index.html.tera
@@ -3,7 +3,7 @@
     <h1>Welcome to Blockchain Time</h1><p>A.K.A. Big Tim</p>
     <div>
       <h2>Convert to Blockchain Time</h2>
-      <form id="form" method="GET" action="to_blockchain_time">
+      <form id="to_blocktmie" method="GET" action="to_blockchain_time">
         <label for="input_datetime">Input DateTime (in UTC only currently)</label>
         <input type="datetime-local" id="input_datetime" name="input_datetime">
         <input type="submit" value="Submit">
@@ -12,7 +12,18 @@
     <div>
       <h2>Convert from Blockchain Time</h2>
       <p><b>Booo</b> why are you going this way??? Don't you know your blocktimes??</p>
-      <p><b><i><a href="#">UNIMPLEMENTED</a></i></b></p>
+      <form id="to_obsolete_time" method="GET" action="to_obsolete_time">
+        <label for="blockheight">Input Block Height</label>
+        <input type="int" id="blockheight" name="blockheight">
+        <label for="blockchain">Blockchain</label>
+        <select if="blockchain" name="blockchain">
+          <option value="BSV">BSV</option>
+          <option value="BTC">BTC</option>
+          <option value="XMR">XMR</option>
+          <option value="ETH">ETH</option>
+        </select>
+        <input type="submit" value="I'm a weenie that doesn't know my blocktimes">
+      </form>
     </div>
     <div class="cur_blocks">
       <h2>Latest Block Heights and Times Cached</h2>
diff --git a/templates/obsolete_time.html.tera b/templates/obsolete_time.html.tera
new file mode 100644
index 0000000..830c62a
--- /dev/null
+++ b/templates/obsolete_time.html.tera
@@ -0,0 +1,7 @@
+{% extends "base" %}
+{% block content %}
+<h1>BOOOOOOOOOOOOOOOOOOO</h1>
+<h6>here's your obsolete time, in UTC, because timezones are boring to get correct, and no longer needed in the new blocktime order</h6>
+<p class="result">{{time}}</p>
+<p>Why don't you go back <a href="/">home</a> and try another thing</p>
+{% endblock content %}