Aller au contenu principal

Test Results for hydra-cluster


  • keeps basic structure of entry

  • replaces transactions by their ids in ReqSn

  • significantly reduces standard log messages size

    +++ OK, passed 100 tests (70% reduces size by 90%).

    Ratios (100 in total):
    70% 0 %
    9% 90 %
    6% 10 %
    3% 30 %
    3% 70 %
    3% 80 %
    2% 40 %
    2% 50 %
    2% 60 %



  • can be read from JSON


  • can be read from JSON



  • seedFromFaucet and returnFundsToFaucet work together


  • should work concurrently


JSON encoding of Dataset

  • allows to encode values with aeson and read them back

    +++ OK, passed 100 tests.
  • generates a Dataset that keeps UTXO constant

    +++ OK, passed 100 tests.


End-to-end on Cardano devnet

hydra-node executable

  • display proper semantic version given it is passed --version argument
  • logs its command line arguments
  • detects misconfiguration


  • Node exposes Prometheus metrics on port 6001

two hydra heads scenario

  • two heads on the same network do not conflict
  • bob cannot abort alice's head

restarting nodes

  • can abort head after restart
  • can observe a commit tx after a restart, even when a tx happened while down
  • can start chain from the past and replay on-chain events
  • close of an initial snapshot from re-initialized node is contested

three hydra nodes scenario

  • inits a Head, processes a single Cardano transaction and closes it again
  • inits a Head and closes it immediately

single party hydra head

  • full head life-cycle
  • can close with long deadline


  • can init and abort a head given nothing has been committed
  • can init and abort a 2-parties head after one party has committed
  • cannot abort a non-participating head
  • can commit
  • can commit empty UTxO
  • can open, close & fanout a Head
  • can restart head to point in the past and replay on-chain events
  • cannot restart head to an unknown point
  • can publish and query reference scripts in a timely manner
  • can only contest once


  • has expected cardano-node version available
  • withCardanoNodeDevnet does start a block-producing devnet within 5 seconds