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diff --git a/src/testbed/testbed_api.h b/src/testbed/testbed_api.h
deleted file mode 100644
index d4ef832ad..000000000
--- a/src/testbed/testbed_api.h
+++ /dev/null
@@ -1,521 +0,0 @@
-/*
-      This file is part of GNUnet
-      Copyright (C) 2008--2013 GNUnet e.V.
-
-      GNUnet is free software: you can redistribute it and/or modify it
-      under the terms of the GNU Affero General Public License as published
-      by the Free Software Foundation, either version 3 of the License,
-      or (at your option) any later version.
-
-      GNUnet is distributed in the hope that it will be useful, but
-      WITHOUT ANY WARRANTY; without even the implied warranty of
-      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-      Affero General Public License for more details.
-
-      You should have received a copy of the GNU Affero General Public License
-      along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-     SPDX-License-Identifier: AGPL3.0-or-later
- */
-
-/**
- * @file testbed/testbed_api.h
- * @brief Interface for functions internally exported from testbed_api.c
- * @author Sree Harsha Totakura
- */
-
-#ifndef TESTBED_API_H
-#define TESTBED_API_H
-
-#include "gnunet_util_lib.h"
-#include "gnunet_testbed_service.h"
-#include "testbed.h"
-#include "testbed_helper.h"
-
-/**
- * Testbed Helper binary name
- */
-#define HELPER_TESTBED_BINARY "gnunet-helper-testbed"
-
-
-/**
- * Enumeration of operations
- */
-enum OperationType
-{
-  /**
-   * Peer create operation
-   */
-  OP_PEER_CREATE,
-
-  /**
-   * Peer start operation
-   */
-  OP_PEER_START,
-
-  /**
-   * Peer stop operation
-   */
-  OP_PEER_STOP,
-
-  /**
-   * Peer destroy operation
-   */
-  OP_PEER_DESTROY,
-
-  /**
-   * Get peer information operation
-   */
-  OP_PEER_INFO,
-
-  /**
-   * Reconfigure a peer
-   */
-  OP_PEER_RECONFIGURE,
-
-  /**
-   * Overlay connection operation
-   */
-  OP_OVERLAY_CONNECT,
-
-  /**
-   * Forwarded operation
-   */
-  OP_FORWARDED,
-
-  /**
-   * Link controllers operation
-   */
-  OP_LINK_CONTROLLERS,
-
-  /**
-   * Get slave config operation
-   */
-  OP_GET_SLAVE_CONFIG,
-
-  /**
-   * Stop and destroy all peers
-   */
-  OP_SHUTDOWN_PEERS,
-
-  /**
-   * Start/stop service at a peer
-   */
-  OP_MANAGE_SERVICE
-};
-
-
-/**
- * Enumeration of states of OperationContext
- */
-enum OperationContextState
-{
-  /**
-   * The initial state where the associated operation has just been created
-   * and is waiting in the operation queues to be started
-   */
-  OPC_STATE_INIT = 0,
-
-  /**
-   * The operation has been started. It may occupy some resources which are to
-   * be freed if cancelled.
-   */
-  OPC_STATE_STARTED,
-
-  /**
-   * The operation has finished. The end results of this operation may occupy
-   * some resources which are to be freed by operation_done
-   */
-  OPC_STATE_FINISHED
-};
-
-
-/**
- * Context information for GNUNET_TESTBED_Operation
- */
-struct OperationContext
-{
-  /**
-   * The controller to which this operation context belongs to
-   */
-  struct GNUNET_TESTBED_Controller *c;
-
-  /**
-   * The operation
-   */
-  struct GNUNET_TESTBED_Operation *op;
-
-  /**
-   * The operation closure
-   */
-  void *op_cls;
-
-  /**
-   * Data relevant to the operation
-   */
-  void *data;
-
-  /**
-   * The id of the operation
-   */
-  uint64_t id;
-
-  /**
-   * The type of operation
-   */
-  enum OperationType type;
-
-  /**
-   * The state of the operation
-   */
-  enum OperationContextState state;
-};
-
-
-/**
- * Operation empty callback
- *
- * @param cls closure
- */
-typedef void
-(*TESTBED_opcq_empty_cb) (void *cls);
-
-
-/**
- * Handle to interact with a GNUnet testbed controller.  Each
- * controller has at least one master handle which is created when the
- * controller is created; this master handle interacts with the
- * controller process, destroying it destroys the controller (by
- * closing stdin of the controller process).  Additionally,
- * controllers can interact with each other (in a P2P fashion); those
- * links are established via TCP/IP on the controller's service port.
- */
-struct GNUNET_TESTBED_Controller
-{
-  /**
-   * The host where the controller is running
-   */
-  struct GNUNET_TESTBED_Host *host;
-
-  /**
-   * The controller callback
-   */
-  GNUNET_TESTBED_ControllerCallback cc;
-
-  /**
-   * The closure for controller callback
-   */
-  void *cc_cls;
-
-  /**
-   * The configuration to use while connecting to controller
-   */
-  struct GNUNET_CONFIGURATION_Handle *cfg;
-
-  /**
-   * The message queue to the controller service
-   */
-  struct GNUNET_MQ_Handle *mq;
-
-  /**
-   * The host registration handle; NULL if no current registration requests are
-   * present
-   */
-  struct GNUNET_TESTBED_HostRegistrationHandle *rh;
-
-  /**
-   * The map of active operation contexts
-   */
-  struct GNUNET_CONTAINER_MultiHashMap32 *opc_map;
-
-  /**
-   * If this callback is not NULL, schedule it as a task when opc_map gets empty
-   */
-  TESTBED_opcq_empty_cb opcq_empty_cb;
-
-  /**
-   * Closure for the above task
-   */
-  void *opcq_empty_cls;
-
-  /**
-   * Operation queue for simultaneous operations
-   */
-  struct OperationQueue *opq_parallel_operations;
-
-  /**
-   * Operation queue for simultaneous service connections
-   */
-  struct OperationQueue *opq_parallel_service_connections;
-
-  /**
-   * Operation queue for simultaneous topology configuration operations
-   */
-  struct OperationQueue *opq_parallel_topology_config_operations;
-
-  /**
-   * handle for hashtable of barrier handles, values are
-   * of type `struct GNUNET_TESTBED_Barrier`.
-   */
-  struct GNUNET_CONTAINER_MultiHashMap *barrier_map;
-
-  /**
-   * The controller event mask
-   */
-  uint64_t event_mask;
-
-  /**
-   * The operation id counter. use current value and increment
-   */
-  uint32_t operation_counter;
-};
-
-
-/**
- * Handle for barrier
- */
-struct GNUNET_TESTBED_Barrier
-{
-  /**
-   * hashcode identifying this barrier in the hashmap
-   */
-  struct GNUNET_HashCode key;
-
-  /**
-   * The controller handle given while initialising this barrier
-   */
-  struct GNUNET_TESTBED_Controller *c;
-
-  /**
-   * The name of the barrier
-   */
-  char *name;
-
-  /**
-   * The continuation callback to call when we have a status update on this
-   */
-  GNUNET_TESTBED_barrier_status_cb cb;
-
-  /**
-   * the closure for the above callback
-   */
-  void *cls;
-
-  /**
-   * Should the barrier crossed status message be echoed back to the controller?
-   */
-  int echo;
-};
-
-
-/**
- * Queues a message in send queue for sending to the service
- *
- * @param controller the handle to the controller
- * @param msg the message to queue
- * @deprecated
- */
-void
-GNUNET_TESTBED_queue_message_ (struct GNUNET_TESTBED_Controller *controller,
-                               struct GNUNET_MessageHeader *msg);
-
-
-/**
- * Inserts the given operation context into the operation context map of the
- * given controller.  Creates the operation context map if one does not exist
- * for the controller
- *
- * @param c the controller
- * @param opc the operation context to be inserted
- */
-void
-GNUNET_TESTBED_insert_opc_ (struct GNUNET_TESTBED_Controller *c,
-                            struct OperationContext *opc);
-
-
-/**
- * Removes the given operation context from the operation context map of the
- * given controller
- *
- * @param c the controller
- * @param opc the operation context to remove
- */
-void
-GNUNET_TESTBED_remove_opc_ (const struct GNUNET_TESTBED_Controller *c,
-                            struct OperationContext *opc);
-
-
-/**
- * Compresses given configuration using zlib compress
- *
- * @param config the serialized configuration
- * @param size the size of config
- * @param xconfig will be set to the compressed configuration (memory is fresly
- *          allocated)
- * @return the size of the xconfig
- */
-size_t
-GNUNET_TESTBED_compress_config_ (const char *config,
-                                 size_t size,
-                                 char **xconfig);
-
-
-/**
- * Function to serialize and compress using zlib a configuration through a
- * configuration handle
- *
- * @param cfg the configuration
- * @param size the size of configuration when serialize.  Will be set on success.
- * @param xsize the sizeo of the compressed configuration.  Will be set on success.
- * @return the serialized and compressed configuration
- */
-char *
-GNUNET_TESTBED_compress_cfg_ (const struct GNUNET_CONFIGURATION_Handle *cfg,
-                              size_t *size,
-                              size_t *xsize);
-
-
-/**
- * Creates a helper initialization message. This function is here because we
- * want to use this in testing
- *
- * @param trusted_ip the ip address of the controller which will be set as TRUSTED
- *          HOST(all connections form this ip are permitted by the testbed) when
- *          starting testbed controller at host. This can either be a single ip
- *          address or a network address in CIDR notation.
- * @param hostname the hostname of the destination this message is intended for
- * @param cfg the configuration that has to used to start the testbed service
- *          thru helper
- * @return the initialization message
- */
-struct GNUNET_TESTBED_HelperInit *
-GNUNET_TESTBED_create_helper_init_msg_ (const char *cname,
-                                        const char *hostname,
-                                        const struct
-                                        GNUNET_CONFIGURATION_Handle *cfg);
-
-
-/**
- * Sends the given message as an operation. The given callback is called when a
- * reply for the operation is available.  Call
- * GNUNET_TESTBED_forward_operation_msg_cancel_() to cleanup the returned
- * operation context if the cc hasn't been called
- *
- * @param controller the controller to which the message has to be sent
- * @param operation_id the operation id of the message
- * @param msg the message to send
- * @param cc the callback to call when reply is available
- * @param cc_cls the closure for the above callback
- * @return the operation context which can be used to cancel the forwarded
- *           operation
- */
-struct OperationContext *
-GNUNET_TESTBED_forward_operation_msg_ (struct
-                                       GNUNET_TESTBED_Controller *controller,
-                                       uint64_t operation_id,
-                                       const struct GNUNET_MessageHeader *msg,
-                                       GNUNET_MQ_MessageCallback cc,
-                                       void *cc_cls);
-
-/**
- * Function to cancel an operation created by simply forwarding an operation
- * message.
- *
- * @param opc the operation context from GNUNET_TESTBED_forward_operation_msg_()
- */
-void
-GNUNET_TESTBED_forward_operation_msg_cancel_ (struct OperationContext *opc);
-
-
-/**
- * Generates configuration by uncompressing configuration in given message. The
- * given message should be of the following types:
- * #GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG,
- * #GNUNET_MESSAGE_TYPE_TESTBED_SLAVECONFIG
- *
- * @param msg the message containing compressed configuration
- * @return handle to the parsed configuration
- */
-struct GNUNET_CONFIGURATION_Handle *
-GNUNET_TESTBED_extract_config_ (const struct GNUNET_MessageHeader *msg);
-
-
-/**
- * Checks the integrity of the OpeationFailureEventMessage and if good returns
- * the error message it contains.
- *
- * @param msg the OperationFailureEventMessage
- * @return the error message
- */
-const char *
-GNUNET_TESTBED_parse_error_string_ (const struct
-                                    GNUNET_TESTBED_OperationFailureEventMessage
-                                    *msg);
-
-
-/**
- * Function to return the operation id for a controller. The operation id is
- * created from the controllers host id and its internal operation counter.
- *
- * @param controller the handle to the controller whose operation id has to be incremented
- * @return the incremented operation id.
- */
-uint64_t
-GNUNET_TESTBED_get_next_op_id (struct GNUNET_TESTBED_Controller *controller);
-
-
-/**
- * Like GNUNET_TESTBED_get_slave_config(), however without the host registration
- * check. Another difference is that this function takes the id of the slave
- * host.
- *
- * @param op_cls the closure for the operation
- * @param master the handle to master controller
- * @param slave_host_id id of the host where the slave controller is running to
- *          the slave_host should remain valid until this operation is cancelled
- *          or marked as finished
- * @return the operation handle;
- */
-struct GNUNET_TESTBED_Operation *
-GNUNET_TESTBED_get_slave_config_ (void *op_cls,
-                                  struct GNUNET_TESTBED_Controller *master,
-                                  uint32_t slave_host_id);
-
-
-/**
- * Initialise a barrier and call the given callback when the required percentage
- * of peers (quorum) reach the barrier OR upon error.
- *
- * @param controller the handle to the controller
- * @param name identification name of the barrier
- * @param quorum the percentage of peers that is required to reach the barrier.
- *   Peers signal reaching a barrier by calling
- *   GNUNET_TESTBED_barrier_reached().
- * @param cb the callback to call when the barrier is reached or upon error.
- *   Cannot be NULL.
- * @param cls closure for the above callback
- * @param echo #GNUNET_YES to echo the barrier crossed status message back to the
- *   controller
- * @return barrier handle; NULL upon error
- */
-struct GNUNET_TESTBED_Barrier *
-GNUNET_TESTBED_barrier_init_ (struct GNUNET_TESTBED_Controller *controller,
-                              const char *name,
-                              unsigned int quorum,
-                              GNUNET_TESTBED_barrier_status_cb cb,
-                              void *cls,
-                              int echo);
-
-
-/**
- * Remove a barrier and it was the last one in the barrier hash map, destroy the
- * hash map
- *
- * @param barrier the barrier to remove
- */
-void
-GNUNET_TESTBED_barrier_remove_ (struct GNUNET_TESTBED_Barrier *barrier);
-
-
-#endif
-/* end of testbed_api.h */