nimbus-eth2/tests/test_spec.nim

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# beacon_chain
# Copyright (c) 2018-2024 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
{.used.}
# Test for spec functions and helpers outside of the EF test vectors - mainly
# helpers that extend or make the spec functions usable outside of the state
# transition functions
import
unittest2,
../beacon_chain/spec/beaconstate,
./testutil, ./testblockutil
from ../beacon_chain/spec/state_transition import process_slots
suite "Beacon state" & preset():
setup:
let cfg = defaultRuntimeConfig
test "Smoke test initialize_beacon_state_from_eth1" & preset():
let state = newClone(initialize_beacon_state_from_eth1(
cfg, ZERO_HASH, 0, makeInitialDeposits(SLOTS_PER_EPOCH, {}),
default(bellatrix.ExecutionPayloadHeader), {}))
check: state.validators.lenu64 == SLOTS_PER_EPOCH
test "process_slots":
var
state = (ref ForkedHashedBeaconState)(
kind: ConsensusFork.Phase0,
phase0Data: initialize_hashed_beacon_state_from_eth1(
defaultRuntimeConfig, ZERO_HASH, 0,
makeInitialDeposits(SLOTS_PER_EPOCH, {}), {skipBlsValidation}))
cache: StateCache
info: ForkedEpochInfo
check:
process_slots(cfg, state[], Slot 1, cache, info, {}).isOk()
process_slots(cfg, state[], Slot 1, cache, info, {}).isErr()
process_slots(cfg, state[], Slot 1, cache, info, {slotProcessed}).isOk()
test "latest_block_root":
var
state = (ref ForkedHashedBeaconState)(
kind: ConsensusFork.Phase0,
phase0Data: initialize_hashed_beacon_state_from_eth1(
defaultRuntimeConfig, ZERO_HASH, 0,
makeInitialDeposits(SLOTS_PER_EPOCH, {}), {skipBlsValidation}))
genBlock = get_initial_beacon_block(state[])
cache: StateCache
info: ForkedEpochInfo
check: # Works for genesis block
state[].phase0Data.latest_block_root == genBlock.root
state[].phase0Data.latest_block_id == genBlock.toBlockId()
process_slots(cfg, state[], Slot 1, cache, info, {}).isOk()
state[].phase0Data.latest_block_root == genBlock.root
let blck = addTestBlock(
state[], cache, nextSlot = false, flags = {skipBlsValidation}).phase0Data
check: # Works for random blocks
state[].phase0Data.latest_block_root == blck.root
process_slots(cfg, state[], Slot 2, cache, info, {}).isOk()
state[].phase0Data.latest_block_root == blck.root
test "get_beacon_proposer_index":
var
state = (ref ForkedHashedBeaconState)(
kind: ConsensusFork.Phase0,
phase0Data: initialize_hashed_beacon_state_from_eth1(
defaultRuntimeConfig, ZERO_HASH, 0,
makeInitialDeposits(SLOTS_PER_EPOCH, {}), {skipBlsValidation}))
cache: StateCache
info: ForkedEpochInfo
check:
get_beacon_proposer_index(state[].phase0Data.data, cache, Slot 1).isSome()
get_beacon_proposer_index(
state[].phase0Data.data, cache, Epoch(1).start_slot()).isNone()
get_beacon_proposer_index(
state[].phase0Data.data, cache, Epoch(2).start_slot()).isNone()
check:
process_slots(cfg, state[], Epoch(1).start_slot(), cache, info, {}).isOk()
get_beacon_proposer_index(state[].phase0Data.data, cache, Slot 1).isNone()
get_beacon_proposer_index(
state[].phase0Data.data, cache, Epoch(1).start_slot()).isSome()
get_beacon_proposer_index(
state[].phase0Data.data, cache, Epoch(2).start_slot()).isNone()
test "dependent_root":
var
state = (ref ForkedHashedBeaconState)(
kind: ConsensusFork.Phase0,
phase0Data: initialize_hashed_beacon_state_from_eth1(
defaultRuntimeConfig, ZERO_HASH, 0,
makeInitialDeposits(SLOTS_PER_EPOCH, {}), {skipBlsValidation}))
genBlock = get_initial_beacon_block(state[])
cache: StateCache
info: ForkedEpochInfo
check:
state[].phase0Data.dependent_root(Epoch(0)) == genBlock.root
while getStateField(state[], slot).epoch < Epoch(1):
discard addTestBlock(state[], cache)
check:
state[].phase0Data.dependent_root(Epoch(1)) ==
state[].phase0Data.data.get_block_root_at_slot(Epoch(1).start_slot - 1)
state[].phase0Data.dependent_root(Epoch(0)) == genBlock.root
while getStateField(state[], slot).epoch < Epoch(2):
discard addTestBlock(state[], cache)
check:
state[].phase0Data.dependent_root(Epoch(2)) ==
state[].phase0Data.data.get_block_root_at_slot(Epoch(2).start_slot - 1)
state[].phase0Data.dependent_root(Epoch(1)) ==
state[].phase0Data.data.get_block_root_at_slot(Epoch(1).start_slot - 1)
state[].phase0Data.dependent_root(Epoch(0)) == genBlock.root
test "merklizer state roundtrip":
let
dcs = DepositContractState()
merkleizer = DepositsMerkleizer.init(dcs)
check:
dcs == merkleizer.toDepositContractState()
test "can_advance_slots":
var
state = (ref ForkedHashedBeaconState)(
kind: ConsensusFork.Phase0,
phase0Data: initialize_hashed_beacon_state_from_eth1(
defaultRuntimeConfig, ZERO_HASH, 0,
makeInitialDeposits(SLOTS_PER_EPOCH, {}), {skipBlsValidation}))
genBlock = get_initial_beacon_block(state[])
cache: StateCache
info: ForkedEpochInfo
check:
state[].can_advance_slots(genBlock.root, Slot(0))
state[].can_advance_slots(genBlock.root, Slot(0))
state[].can_advance_slots(genBlock.root, Slot(0))
let blck = addTestBlock(
state[], cache, flags = {skipBlsValidation})
check:
not state[].can_advance_slots(genBlock.root, Slot(0))
not state[].can_advance_slots(genBlock.root, Slot(0))
not state[].can_advance_slots(genBlock.root, Slot(0))
not state[].can_advance_slots(blck.root, Slot(0))
state[].can_advance_slots(blck.root, Slot(1))
state[].can_advance_slots(blck.root, Slot(2))