old_contents: # -*- Mode: Python -*-
  
  # used to store global state throughout a caesure application.
  
  from caesure.bitcoin import *
  
  # fill in more defaults.
  class GlobalState:
      # XXX put everything for switching to testnet here.
      MAGIC = MAGIC
      genesis_block_hash = genesis_block_hash
      BITCOIN_PORT = BITCOIN_PORT
  
  
new_contents: # -*- Mode: Python -*-
  
  # used to store global state throughout a caesure application.
  
  from caesure.bitcoin import *
  
  # fill in more defaults.
  class GlobalState:
      # XXX put everything for switching to testnet here.
      # XXX urgh, I think I want these in a different object.
      #MAGIC = MAGIC
      #genesis_block_hash = genesis_block_hash
      #BITCOIN_PORT = BITCOIN_PORT
      pass
  
  
subject: remove network params.