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