MemberUpdatedWatcherBot

A bot that monitors all ChatMemberUpdated events and sends descriptive notifications to the chat.

Functionality

Watches for every member status change in all chats the bot is a member of: bot additions, admin promotions and demotions, user joins and leaves, and permission restriction changes. For each event the bot sends a human-readable message describing what changed.

Arguments

Position	Value	Description
1	`BOT_TOKEN`	Telegram bot token

Optional arguments (any order after the token):

Value	Description
`debug`	Enable verbose debug logging
`testServer`	Connect to the Telegram test server instead of production

Bot Commands

None.

Capabilities

Detects when the bot itself is added to or removed from a chat and sends a greeting/farewell
Detects when the bot is promoted to or demoted from administrator
Detects when any user joins or leaves the chat
Detects when any user is promoted to or demoted from administrator
Detects granular permission changes (e.g., restrictions added or lifted)
Uses the ChatMemberUpdated extension functions introduced in TelegramBotAPI 18.0.0
Runs via long polling

Launch

../gradlew run --args="BOT_TOKEN"

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