anchor.diff:  
       {ok, 200, #{<<"tx">> := EncodedUnsignedContractCallTx,
                   <<"tx_hash">> := ContractCallTxHash}} = get_contract_call(ContractCallEncoded),
  -    sign_and_post_tx(EncodedUnsignedContractCallTx),
  +    sign_and_post_tx(MinerAddress, EncodedUnsignedContractCallTx),
   
       % mine a block
       aecore_suite_utils:mine_blocks(aecore_suite_utils:node_name(?NODE), 2),
       tx_is_mined_test(MinerAddress, ContractCallTxHash),
   
  -    Function = <<"main">>,
  -    Argument = <<"42">>,
       ComputeCCallEncoded = #{ caller => MinerAddress,
                                contract => ContractPubKey,
                                vm_version => 1,
  
positive.code:     {ok, 200, #{<<"tx">> := EncodedUnsignedContractCallComputeTx,
                  <<"tx_hash">> := ContractCallComputeTxHash}} =
          get_contract_call_compute(ComputeCCallEncoded),
      sign_and_post_tx(EncodedUnsignedContractCallComputeTx),
  
      % mine a block
      aecore_suite_utils:mine_blocks(aecore_suite_utils:node_name(?NODE), 2),
  
negative.code:     {ok, 200, #{<<"pub_key">> := MinerAddress}} = get_miner_pub_key(),
      {ok, MinerPubkey} = aec_base58c:safe_decode(account_pubkey, MinerAddress),
  
      % contract_create_tx positive test
      Code = <<"0x600035807f00000000000000000000000000000000000000000000000000000"
  	     "00000000000146200002c57005b6020356200003a9062000043565b6000526020"
  