import # Status libs stew/byteutils, eth/common, serialization, json_serialization, # Beacon chain internals ../../beacon_chain/spec/datatypes export # Workaround: # - https://github.com/status-im/nim-serialization/issues/4 # - https://github.com/status-im/nim-serialization/issues/5 # - https://github.com/nim-lang/Nim/issues/11225 serialization.readValue type # TODO: use ref object to avoid allocating # so much on the stack - pending https://github.com/status-im/nim-json-serialization/issues/3 TestConstants* = object # TODO - 0.5.1 constants SHARD_COUNT*: int TARGET_COMMITTEE_SIZE*: int MAX_BALANCE_CHURN_QUOTIENT*: int MAX_VALIDATORS_PER_COMMITTEE*: int MIN_PER_EPOCH_CHURN_LIMIT*: int SHUFFLE_ROUND_COUNT*: int DEPOSIT_CONTRACT_TREE_DEPTH*: int MIN_DEPOSIT_AMOUNT*: uint64 MAX_EFFECTIVE_BALANCE*: uint64 EJECTION_BALANCE*: uint64 GENESIS_FORK_VERSION*: uint32 GENESIS_SLOT*: Slot GENESIS_EPOCH*: Epoch GENESIS_START_SHARD*: uint64 BLS_WITHDRAWAL_PREFIX*: array[1, byte] SECONDS_PER_SLOT*: uint64 MIN_ATTESTATION_INCLUSION_DELAY*: uint64 SLOTS_PER_EPOCH*: int MIN_SEED_LOOKAHEAD*: int ACTIVATION_EXIT_DELAY*: int EPOCHS_PER_ETH1_VOTING_PERIOD*: uint64 SLOTS_PER_HISTORICAL_ROOT*: int MIN_VALIDATOR_WITHDRAWABILITY_DELAY*: uint64 PERSISTENT_COMMITTEE_PERIOD*: uint64 LATEST_RANDAO_MIXES_LENGTH*: int EPOCHS_PER_HISTORICAL_VECTOR*: int EPOCHS_PER_SLASHINGS_VECTOR*: int BASE_REWARD_FACTOR*: uint64 WHISTLEBLOWER_REWARD_QUOTIENT*: uint64 PROPOSER_REWARD_QUOTIENT*: uint64 INACTIVITY_PENALTY_QUOTIENT*: uint64 MIN_SLASHING_PENALTY_QUOTIENT*: int MAX_PROPOSER_SLASHINGS*: int MAX_ATTESTER_SLASHINGS*: int MAX_ATTESTATIONS*: int MAX_DEPOSITS*: int MAX_VOLUNTARY_EXITS*: int MAX_TRANSFERS*: int DOMAIN_BEACON_PROPOSER*: DomainType DOMAIN_RANDAO*: DomainType DOMAIN_ATTESTATION*: DomainType DOMAIN_DEPOSIT*: DomainType DOMAIN_VOLUNTARY_EXIT*: DomainType DOMAIN_TRANSFER*: DomainType Tests*[T] = object title*: string summary*: string forks_timeline*: string forks*: seq[string] config*: string runner*: string handler*: string test_cases*: seq[T] # ####################### # Default init proc default*(T: typedesc): T = discard # ####################### # JSON deserialization proc readValue*[N: static int](r: var JsonReader, a: var array[N, byte]) {.inline.} = # Needed for; # - BLS_WITHDRAWAL_PREFIX # - Fork datatypes # TODO: are all bytes and bytearray serialized as hex? # if so export that to nim-eth hexToByteArray(r.readValue(string), a) proc readValue*(r: var JsonReader, a: var ValidatorIndex) {.inline.} = a = r.readValue(uint32) proc readValue*(r: var JsonReader, a: var seq[byte]) {.inline.} = ## Custom deserializer for seq[byte] a = hexToSeqByte(r.readValue(string)) proc parseTests*(jsonPath: string, T: typedesc): Tests[T] = try: debugEcho " [Debug] Loading file: \"", jsonPath, '\"' result = Json.loadFile(jsonPath, Tests[T]) except SerializationError as err: writeStackTrace() stderr.write "Json load issue for file \"", jsonPath, "\"\n" stderr.write err.formatMsg(jsonPath), "\n" quit 1 # ####################### # Mocking helpers # https://github.com/ethereum/eth2.0-specs/blob/75f0af45bb0613bb406fc72d10266cee4cfb402a/tests/phase0/helpers.py#L107 proc build_empty_block_for_next_slot*(state: BeaconState): BeaconBlock = ## TODO: why can the official spec get away with a simple proc # result.slot = state.slot + 1 # var previous_block_header = state.latest_block_header # if previous_block_header.state_root == ZERO_HASH: # previous_block_header.state_root = state.hash_tree_root() # result.previous_block_root = signing_root(previous_block_header) ## TODO: `makeBlock` from testutil.nim ## doesn't work either due to use of fake private keys # let prev_root = block: # if state.latest_block_header.state_root == ZERO_HASH: # state.hash_tree_root() # else: state.latest_block_header.state_root # result = makeBlock( # state, # prev_root, # BeaconBlockBody() # ) {.error: "Not implemented".}