basic yield generator with telegram notifications

yield-generators/yg-telegram-notifier.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+
+import time
+from http import client
+from jmbase import jmprint
+from jmclient import YieldGeneratorBasic, ygmain, calc_cj_fee
+from urllib import parse
+
+API_KEY = ''
+CHAT_ID = ''
+
+# YIELD GENERATOR SETTINGS ARE NOW IN YOUR joinmarket.cfg CONFIG FILE
+# (You can also use command line flags; see --help for this script).
+
+class TelegramNotifierYieldGeneratorBasic(YieldGeneratorBasic):
+    def on_tx_confirmed(self, offer, txid, confirmations):
+        real_cjfee = calc_cj_fee(offer['offer']['ordertype'],
+                                 offer['offer']['cjfee'], offer['amount'])
+        earned_sats = real_cjfee - offer['offer']['txfee']
+        mix_amount = offer['amount']
+        if offer['cjaddr'] in self.tx_unconfirm_timestamp:
+            confirm_time = int(time.time()) - self.tx_unconfirm_timestamp[offer['cjaddr']]
+        else:
+            confirm_time = 0
+
+        confirm_time = round(confirm_time / 60.0)
+
+        message = f"💰 earned {earned_sats:,} sats mixing {mix_amount:,} sats in {confirm_time} minutes"
+        params = parse.urlencode({'chat_id': CHAT_ID, 'text': message})
+        conn = client.HTTPSConnection('api.telegram.org')
+        conn.request('POST', f'/bot{API_KEY}/sendMessage', params, {'Content-Type': 'application/x-www-form-urlencoded'})
+        _ = conn.getresponse()
+
+        return super().on_tx_confirmed(offer, txid, confirmations)
+
+if __name__ == "__main__":
+    ygmain(TelegramNotifierYieldGeneratorBasic)
+    jmprint('done', "success")