text: #ifndef THOR_COMMON_BIP32_H
  #define THOR_COMMON_BIP32_H
  #include "config.h"
  #include <ccan/short_types/short_types.h>
  #include <stddef.h>
  
  struct ext_key;
  
  void towire_ext_key(u8 **pptr, const struct ext_key *bip32);
  void fromwire_ext_key(const u8 **cursor, size_t *max, struct ext_key *bip32);
  
  struct bip32_key_version {
  	u32 bip32_pubkey_version;
  	u32 bip32_privkey_version;
  };
  
  void towire_bip32_key_version(u8 **cursor, const struct bip32_key_version *version);
  void fromwire_bip32_key_version(const u8 **cursor, size_t *max,
  				struct bip32_key_version *version);
  
  #endif /* THOR_COMMON_BIP32_H */
  