db = $db; $this->wallet = $wallet; } public function handle(string $command, array $args, array $context): void { $method = 'cmd_' . ltrim($command, '/'); if (method_exists($this, $method)) { $response = $this->$method($args, $context); } else { //$response = "Unknown command."; $response = ""; } sendMessage($context['chat_id'], $response); $this->db->logMessage($context['chat_id'], $context['chat_name'], $context['username'], $context['raw'], $response); } private function cmd_start(array $args, array $ctx): string { if (!empty($ctx['username'])) { $this->db->updateUsername($ctx['user_id'], $ctx['username']); } return "Welcome to the Salvium Tip Bot! Use /deposit to get started."; } private function cmd_deposit(array $args, array $ctx): string { $user = $this->db->getUserByTelegramId($ctx['user_id']); if (!$user) { $sub = $this->wallet->getNewSubaddress(); if (!$sub) return "Error generating subaddress."; $this->db->createUser($ctx['user_id'], $sub); if (!empty($ctx['username'])) { $this->db->updateUsername($ctx['user_id'], $ctx['username']); } return "Your deposit address: $sub"; } return "Your deposit address: {$user['salvium_subaddress']}"; } private function cmd_balance(array $args, array $ctx): string { $user = $this->db->getUserByTelegramId($ctx['user_id']); return $user ? "Your balance: {$user['tip_balance']} SAL" : "No account found. Use /deposit first."; } private function cmd_withdraw(array $args, array $ctx): string { if (count($args) < 3) return "Usage: /withdraw

"; list(, $address, $amount) = $args; $amount = (float) $amount; $user = $this->db->getUserByTelegramId($ctx['user_id']); if (!$user || $user['tip_balance'] < $amount) return "Insufficient balance or invalid account."; if (!isValidSalviumAddress($address)) return "Invalid SAL address format."; $this->db->updateUserTipBalance($user['id'], $amount, 'subtract'); $this->db->logWithdrawal($user['id'], $address, $amount); return "Withdrawal request submitted. Processing soon."; } private function cmd_tip(array $args, array $ctx): string { if (count($args) < 3) return "Usage: /tip "; list(, $targetUsername, $amount) = $args; $amount = (float)$amount; $sender = $this->db->getUserByTelegramId($ctx['user_id']); $recipient = $this->db->getUserByUsername(ltrim($targetUsername, '@')); if (!$sender || $sender['tip_balance'] < $amount) return "Insufficient funds or invalid sender."; if (!$recipient) return "Recipient not found. Ask them to run /start first."; $this->db->updateUserTipBalance($sender['id'], $amount, 'subtract'); $this->db->addTip($sender['id'], $recipient['id'], $amount, $ctx['chat_id']); sendMessage($recipient['telegram_user_id'], "You received a tip of {$amount} SAL! Use /balance to check."); return "Tipped {$targetUsername} {$amount} SAL successfully!"; } } ?>