anchor.diff:           new_node_can_mine_old_spend_tx_without_payload_using_new_protocol/1,
            new_node_can_mine_spend_tx_on_old_chain_using_old_protocol/1,
            new_node_can_mine_spend_tx_on_old_chain_using_new_protocol/1,
  -         new_node_can_mine_contract_on_old_chain_using_old_protocol/1
  -         %%new_node_can_mine_contract_on_old_chain_using_old_protocol/1
  +         new_node_can_mine_contract_on_old_chain_using_old_protocol/1,
  +         new_node_can_mine_contract_on_old_chain_using_new_protocol/1
           ]).
   
   %=== INCLUDES ==================================================================
  
positive.code:                                     ContractCallComputeBlockHash, ContractCallComputeBlockHeight, Cfg),
      ok.
  
  %=== INTERNAL FUNCTIONS ========================================================
  
  old_protocol_version() ->
  
negative.code:      {hard_fork_all_with_contract,
        [sequence],
        [
         {group, hard_fork_old_chain_with_contract},
         {group, hard_fork_new_chain_with_contract}
        ]},
       {hard_fork_old_chain_with_contract,
        [sequence],
  