github/consensus-specs
1
1
Fork 0
mirror of https://github.com/ethereum/consensus-specs.git synced 2026-02-02 09:35:00 -05:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #2301 from ethereum/fix-bouncing-attack-tests

Browse Source 
Fix bouncing attack tests
This commit is contained in:
Danny Ryan
2021-04-27 07:51:46 -06:00
committed by GitHub
parent f2c47debb9 9e5ee0a083
commit 6031417444
1 changed files with 24 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
tests/core/pyspec/eth2spec/test/phase0/unittests/fork_choice/test_on_block.py
View File

@@ -224,14 +224,19 @@ def test_on_block_outside_safe_slots_and_multiple_better_justified(spec, state):
next_epoch(spec, state)
spec.on_tick(store, store.time + state.slot * spec.SECONDS_PER_SLOT)
state, store, last_signed_block = apply_next_epoch_with_attestations(spec, state, store)
next_epoch(spec, state)
spec.on_tick(store, store.time + state.slot * spec.SECONDS_PER_SLOT)
last_block_root = hash_tree_root(last_signed_block.message)
# Mock justified block in store
# Mock fictitious justified checkpoint in store
store.justified_checkpoint = spec.Checkpoint(
epoch=spec.compute_epoch_at_slot(last_signed_block.message.slot),
root=spec.Root("0x4a55535449464945440000000000000000000000000000000000000000000000")
)
next_epoch(spec, state)
spec.on_tick(store, store.time + state.slot * spec.SECONDS_PER_SLOT)
# Create new higher justified checkpoint not in branch of store's justified checkpoint
just_block = build_empty_block_for_next_slot(spec, state)
# Slot is same as justified checkpoint so does not trigger an override in the store
just_block.slot = spec.compute_start_slot_at_epoch(store.justified_checkpoint.epoch)
store.blocks[just_block.hash_tree_root()] = just_block
# Step time past safe slots
@@ -274,14 +279,19 @@ def test_on_block_outside_safe_slots_but_finality(spec, state):
next_epoch(spec, state)
spec.on_tick(store, store.time + state.slot * spec.SECONDS_PER_SLOT)
state, store, last_signed_block = apply_next_epoch_with_attestations(spec, state, store)
next_epoch(spec, state)
spec.on_tick(store, store.time + state.slot * spec.SECONDS_PER_SLOT)
last_block_root = hash_tree_root(last_signed_block.message)
# Mock justified block in store
# Mock fictitious justified checkpoint in store
store.justified_checkpoint = spec.Checkpoint(
epoch=spec.compute_epoch_at_slot(last_signed_block.message.slot),
root=spec.Root("0x4a55535449464945440000000000000000000000000000000000000000000000")
)
next_epoch(spec, state)
spec.on_tick(store, store.time + state.slot * spec.SECONDS_PER_SLOT)
# Create new higher justified checkpoint not in branch of store's justified checkpoint
just_block = build_empty_block_for_next_slot(spec, state)
# Slot is same as justified checkpoint so does not trigger an override in the store
just_block.slot = spec.compute_start_slot_at_epoch(store.justified_checkpoint.epoch)
store.blocks[just_block.hash_tree_root()] = just_block
# Step time past safe slots
@@ -291,13 +301,15 @@ def test_on_block_outside_safe_slots_but_finality(spec, state):
# Mock justified and finalized update in state
just_fin_state = store.block_states[last_block_root]
new_justified = spec.Checkpoint(
epoch=store.justified_checkpoint.epoch + 1,
epoch=spec.compute_epoch_at_slot(just_block.slot) + 1,
root=just_block.hash_tree_root(),
)
assert new_justified.epoch > store.justified_checkpoint.epoch
new_finalized = spec.Checkpoint(
epoch=store.finalized_checkpoint.epoch + 1,
epoch=spec.compute_epoch_at_slot(just_block.slot),
root=just_block.parent_root,
)
assert new_finalized.epoch > store.finalized_checkpoint.epoch
just_fin_state.current_justified_checkpoint = new_justified
just_fin_state.finalized_checkpoint = new_finalized