119 lines
4.0 KiB
Nim
119 lines
4.0 KiB
Nim
# beacon_chain
|
|
# Copyright (c) 2018-2020 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.
|
|
|
|
{.used.}
|
|
|
|
import
|
|
chronicles,
|
|
unittest2,
|
|
./testutil, ./testblockutil,
|
|
../beacon_chain/spec/[beaconstate, datatypes, digest, crypto,
|
|
validator, state_transition, presets],
|
|
../beacon_chain/ssz
|
|
|
|
suite "Block processing" & preset():
|
|
## For now just test that we can compile and execute block processing with
|
|
## mock data.
|
|
|
|
let
|
|
# Genesis state with minimal number of deposits
|
|
# TODO bls verification is a bit of a bottleneck here
|
|
genesisState = newClone(initialize_hashed_beacon_state_from_eth1(
|
|
defaultRuntimePreset, Eth2Digest(), 0, makeInitialDeposits(), {}))
|
|
genesisBlock = get_initial_beacon_block(genesisState.data)
|
|
genesisRoot = hash_tree_root(genesisBlock.message)
|
|
|
|
setup:
|
|
var
|
|
state = newClone(genesisState[])
|
|
cache = StateCache()
|
|
rewards = RewardInfo()
|
|
|
|
test "Passes from genesis state, no block" & preset():
|
|
check:
|
|
process_slots(state[], state.data.slot + 1, cache, rewards)
|
|
state.data.slot == genesisState.data.slot + 1
|
|
|
|
test "Passes from genesis state, empty block" & preset():
|
|
var
|
|
previous_block_root = genesisBlock.root
|
|
new_block = makeTestBlock(state[], previous_block_root, cache)
|
|
|
|
let block_ok = state_transition(
|
|
defaultRuntimePreset, state[], new_block, cache, rewards, {}, noRollback)
|
|
|
|
check:
|
|
block_ok
|
|
|
|
state.data.slot == genesisState.data.slot + 1
|
|
|
|
test "Passes through epoch update, no block" & preset():
|
|
check:
|
|
process_slots(state[], Slot(SLOTS_PER_EPOCH), cache, rewards)
|
|
state.data.slot == genesisState.data.slot + SLOTS_PER_EPOCH
|
|
|
|
test "Passes through epoch update, empty block" & preset():
|
|
var
|
|
previous_block_root = genesisRoot
|
|
|
|
for i in 1..SLOTS_PER_EPOCH:
|
|
let new_block = makeTestBlock(state[], previous_block_root, cache)
|
|
|
|
let block_ok = state_transition(
|
|
defaultRuntimePreset, state[], new_block, cache, rewards, {}, noRollback)
|
|
|
|
check:
|
|
block_ok
|
|
|
|
previous_block_root = new_block.root
|
|
|
|
check:
|
|
state.data.slot == genesisState.data.slot + SLOTS_PER_EPOCH
|
|
|
|
test "Attestation gets processed at epoch" & preset():
|
|
var
|
|
previous_block_root = genesisRoot
|
|
|
|
# Slot 0 is a finalized slot - won't be making attestations for it..
|
|
check:
|
|
process_slots(state[], state.data.slot + 1, cache, rewards)
|
|
|
|
let
|
|
# Create an attestation for slot 1 signed by the only attester we have!
|
|
beacon_committee =
|
|
get_beacon_committee(state.data, state.data.slot, 0.CommitteeIndex, cache)
|
|
attestation = makeAttestation(
|
|
state.data, previous_block_root, beacon_committee[0], cache)
|
|
|
|
# Some time needs to pass before attestations are included - this is
|
|
# to let the attestation propagate properly to interested participants
|
|
check:
|
|
process_slots(
|
|
state[], GENESIS_SLOT + MIN_ATTESTATION_INCLUSION_DELAY + 1, cache,
|
|
rewards)
|
|
|
|
let
|
|
new_block = makeTestBlock(state[], previous_block_root, cache,
|
|
attestations = @[attestation]
|
|
)
|
|
check state_transition(
|
|
defaultRuntimePreset, state[], new_block, cache, rewards, {}, noRollback)
|
|
|
|
check:
|
|
# TODO epoch attestations can get multiplied now; clean up paths to
|
|
# enable exact 1-check again and keep finalization.
|
|
state.data.current_epoch_attestations.len >= 1
|
|
|
|
check:
|
|
process_slots(state[], Slot(191), cache, rewards)
|
|
|
|
# Would need to process more epochs for the attestation to be removed from
|
|
# the state! (per above bug)
|
|
#
|
|
# check:
|
|
# state.latest_attestations.len == 0
|