Revert "Add Telegram notification support (#7511)"

This reverts commit fed7cfef58.

watchtower/README.md

@@ -18,20 +18,3 @@ the following fields:
 * `test`: name of the sanity test that failed
 * `err`: exact sanity failure message
 
-<<<<<<< HEAD
-=======
-
-### Sanity failure push notification
-To receive a Slack, Discord and/or Telgram notification on sanity failure,
-define environment variables before running `solana-watchtower`:
-```
-export SLACK_WEBHOOK=...
-export DISCORD_WEBHOOK=...
-```
-
-Telgram requires the following two variables:
-```
-export TELEGRAM_BOT_TOKEN=...
-export TELEGRAM_CHAT_ID=...
-```
->>>>>>> f33703aef... Add Telegram notification support

watchtower/src/notifier.rs

@@ -1,71 +0,0 @@
-use log::*;
-use reqwest::Client;
-use serde_json::json;
-use std::env;
-
-struct TelegramWebHook {
-    bot_token: String,
-    chat_id: String,
-}
-
-pub struct Notifier {
-    client: Client,
-    discord_webhook: Option<String>,
-    slack_webhook: Option<String>,
-    telegram_webhook: Option<TelegramWebHook>,
-}
-
-impl Notifier {
-    pub fn new() -> Self {
-        let discord_webhook = env::var("DISCORD_WEBHOOK")
-            .map_err(|_| {
-                info!("Discord notifications disabled");
-            })
-            .ok();
-        let slack_webhook = env::var("SLACK_WEBHOOK")
-            .map_err(|_| {
-                info!("Slack notifications disabled");
-            })
-            .ok();
-        let telegram_webhook = if let (Ok(bot_token), Ok(chat_id)) =
-            (env::var("TELEGRAM_BOT_TOKEN"), env::var("TELEGRAM_CHAT_ID"))
-        {
-            Some(TelegramWebHook { bot_token, chat_id })
-        } else {
-            info!("Telegram notifications disabled");
-            None
-        };
-
-        Notifier {
-            client: Client::new(),
-            discord_webhook,
-            slack_webhook,
-            telegram_webhook,
-        }
-    }
-
-    pub fn send(&self, msg: &str) {
-        if let Some(webhook) = &self.discord_webhook {
-            let data = json!({ "content": msg });
-            if let Err(err) = self.client.post(webhook).json(&data).send() {
-                warn!("Failed to send Discord message: {:?}", err);
-            }
-        }
-
-        if let Some(webhook) = &self.slack_webhook {
-            let data = json!({ "text": msg });
-            if let Err(err) = self.client.post(webhook).json(&data).send() {
-                warn!("Failed to send Slack message: {:?}", err);
-            }
-        }
-
-        if let Some(TelegramWebHook { chat_id, bot_token }) = &self.telegram_webhook {
-            let data = json!({ "chat_id": chat_id, "text": msg });
-            let url = format!("https://api.telegram.org/bot{}/sendMessage", bot_token);
-
-            if let Err(err) = self.client.post(&url).json(&data).send() {
-                warn!("Failed to send Telegram message: {:?}", err);
-            }
-        }
-    }
-}