mirror of
https://github.com/sigp/lighthouse.git
synced 2026-04-18 13:28:33 +00:00
v0.12 fork choice update (#1229)
* Incomplete scraps
* Add progress on new fork choice impl
* Further progress
* First complete compiling version
* Remove chain reference
* Add new lmd_ghost crate
* Start integrating into beacon chain
* Update `milagro_bls` to new release (#1183)
* Update milagro_bls to new release
Signed-off-by: Kirk Baird <baird.k@outlook.com>
* Tidy up fake cryptos
Signed-off-by: Kirk Baird <baird.k@outlook.com>
* move SecretHash to bls and put plaintext back
Signed-off-by: Kirk Baird <baird.k@outlook.com>
* Update state processing for v0.12
* Fix EF test runners for v0.12
* Fix some tests
* Fix broken attestation verification test
* More test fixes
* Rough beacon chain impl working
* Remove fork_choice_2
* Remove checkpoint manager
* Half finished ssz impl
* Add missed file
* Add persistence
* Tidy, fix some compile errors
* Remove RwLock from ProtoArrayForkChoice
* Fix store-based compile errors
* Add comments, tidy
* Move function out of ForkChoice struct
* Start testing
* More testing
* Fix compile error
* Tidy beacon_chain::fork_choice
* Queue attestations from the current slot
* Allow fork choice to handle prior-to-genesis start
* Improve error granularity
* Test attestation dequeuing
* Process attestations during block
* Store target root in fork choice
* Move fork choice verification into new crate
* Update tests
* Consensus updates for v0.12 (#1228)
* Update state processing for v0.12
* Fix EF test runners for v0.12
* Fix some tests
* Fix broken attestation verification test
* More test fixes
* Fix typo found in review
* Add `Block` struct to ProtoArray
* Start fixing get_ancestor
* Add rough progress on testing
* Get fork choice tests working
* Progress with testing
* Fix partialeq impl
* Move slot clock from fc_store
* Improve testing
* Add testing for best justified
* Add clone back to SystemTimeSlotClock
* Add balances test
* Start adding balances cache again
* Wire-in balances cache
* Improve tests
* Remove commented-out tests
* Remove beacon_chain::ForkChoice
* Rename crates
* Update wider codebase to new fork_choice layout
* Move advance_slot in test harness
* Tidy ForkChoice::update_time
* Fix verification tests
* Fix compile error with iter::once
* Fix fork choice tests
* Ensure block attestations are processed
* Fix failing beacon_chain tests
* Add first invalid block check
* Add finalized block check
* Progress with testing, new store builder
* Add fixes to get_ancestor
* Fix old genesis justification test
* Fix remaining fork choice tests
* Change root iteration method
* Move on_verified_block
* Remove unused method
* Start adding attestation verification tests
* Add invalid ffg target test
* Add target epoch test
* Add queued attestation test
* Remove old fork choice verification tests
* Tidy, add test
* Move fork choice lock drop
* Rename BeaconForkChoiceStore
* Add comments, tidy BeaconForkChoiceStore
* Update metrics, rename fork_choice_store.rs
* Remove genesis_block_root from ForkChoice
* Tidy
* Update fork_choice comments
* Tidy, add comments
* Tidy, simplify ForkChoice, fix compile issue
* Tidy, removed dead file
* Increase http request timeout
* Fix failing rest_api test
* Set HTTP timeout back to 5s
* Apply fix to get_ancestor
* Address Michael's comments
* Fix typo
* Revert "Fix broken attestation verification test"
This reverts commit 722cdc903b.
Co-authored-by: Kirk Baird <baird.k@outlook.com>
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
This commit is contained in:
Paul Hauner
@@ -0,0 +1,452 @@
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use super::*;
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pub fn get_ffg_case_01_test_definition() -> ForkChoiceTestDefinition {
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let balances = vec![1; 2];
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let mut ops = vec![];
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// Ensure that the head starts at the finalized block.
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(0),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(0),
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});
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// Build the following tree (stick? lol).
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//
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// 0 <- just: 0, fin: 0
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// |
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// 1 <- just: 0, fin: 0
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// |
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// 2 <- just: 1, fin: 0
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// |
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// 3 <- just: 2, fin: 1
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(1),
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root: get_hash(1),
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parent_root: get_hash(0),
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justified_epoch: Epoch::new(0),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(2),
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root: get_hash(2),
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parent_root: get_hash(1),
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justified_epoch: Epoch::new(1),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(3),
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root: get_hash(3),
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parent_root: get_hash(2),
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justified_epoch: Epoch::new(2),
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finalized_epoch: Epoch::new(1),
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});
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// Ensure that with justified epoch 0 we find 3
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//
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// 0 <- start
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// |
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// 1
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// |
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// 2
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// |
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// 3 <- head
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(0),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(3),
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});
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// Ensure that with justified epoch 1 we find 2
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//
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// 0
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// |
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// 1
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// |
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// 2 <- start
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// |
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// 3 <- head
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(1),
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justified_root: get_hash(2),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(2),
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});
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// Ensure that with justified epoch 2 we find 3
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//
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// 0
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// |
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// 1
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// |
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// 2
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// |
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// 3 <- start + head
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(2),
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justified_root: get_hash(3),
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finalized_epoch: Epoch::new(1),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(3),
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});
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// END OF TESTS
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ForkChoiceTestDefinition {
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finalized_block_slot: Slot::new(0),
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justified_epoch: Epoch::new(1),
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finalized_epoch: Epoch::new(1),
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finalized_root: get_hash(0),
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operations: ops,
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}
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}
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pub fn get_ffg_case_02_test_definition() -> ForkChoiceTestDefinition {
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let balances = vec![1; 2];
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let mut ops = vec![];
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// Ensure that the head starts at the finalized block.
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(1),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(1),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(0),
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});
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// Build the following tree.
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//
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// 0
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// / \
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// just: 0, fin: 0 -> 1 2 <- just: 0, fin: 0
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// | |
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// just: 1, fin: 0 -> 3 4 <- just: 0, fin: 0
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// | |
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// just: 1, fin: 0 -> 5 6 <- just: 0, fin: 0
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// | |
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// just: 1, fin: 0 -> 7 8 <- just: 1, fin: 0
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// | |
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// just: 2, fin: 0 -> 9 10 <- just: 2, fin: 0
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// Left branch
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(1),
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root: get_hash(1),
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parent_root: get_hash(0),
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justified_epoch: Epoch::new(0),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(2),
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root: get_hash(3),
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parent_root: get_hash(1),
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justified_epoch: Epoch::new(1),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(3),
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root: get_hash(5),
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parent_root: get_hash(3),
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justified_epoch: Epoch::new(1),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(4),
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root: get_hash(7),
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parent_root: get_hash(5),
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justified_epoch: Epoch::new(1),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(4),
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root: get_hash(9),
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parent_root: get_hash(7),
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justified_epoch: Epoch::new(2),
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finalized_epoch: Epoch::new(0),
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});
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// Right branch
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(1),
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root: get_hash(2),
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parent_root: get_hash(0),
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justified_epoch: Epoch::new(0),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(2),
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root: get_hash(4),
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parent_root: get_hash(2),
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justified_epoch: Epoch::new(0),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(3),
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root: get_hash(6),
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parent_root: get_hash(4),
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justified_epoch: Epoch::new(0),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(4),
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root: get_hash(8),
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parent_root: get_hash(6),
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justified_epoch: Epoch::new(1),
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finalized_epoch: Epoch::new(0),
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});
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ops.push(Operation::ProcessBlock {
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slot: Slot::new(4),
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root: get_hash(10),
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parent_root: get_hash(8),
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justified_epoch: Epoch::new(2),
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finalized_epoch: Epoch::new(0),
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});
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// Ensure that if we start at 0 we find 10 (just: 0, fin: 0).
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//
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// 0 <-- start
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// / \
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// 1 2
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// | |
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// 3 4
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// | |
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// 5 6
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// | |
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// 7 8
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// | |
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// 9 10 <-- head
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(0),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(10),
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});
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// Same as above, but with justified epoch 2.
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(2),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(10),
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});
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// Same as above, but with justified epoch 3 (should be invalid).
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ops.push(Operation::InvalidFindHead {
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justified_epoch: Epoch::new(3),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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});
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// Add a vote to 1.
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//
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// 0
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// / \
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// +1 vote -> 1 2
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// | |
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// 3 4
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// | |
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// 5 6
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// | |
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// 7 8
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// | |
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// 9 10
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ops.push(Operation::ProcessAttestation {
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validator_index: 0,
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block_root: get_hash(1),
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target_epoch: Epoch::new(0),
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});
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// Ensure that if we start at 0 we find 9 (just: 0, fin: 0).
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//
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// 0 <-- start
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// / \
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// 1 2
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// | |
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// 3 4
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// | |
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// 5 6
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// | |
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// 7 8
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// | |
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// head -> 9 10
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(0),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(9),
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});
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// Save as above but justified epoch 2.
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(2),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(9),
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});
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// Save as above but justified epoch 3 (should fail).
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ops.push(Operation::InvalidFindHead {
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justified_epoch: Epoch::new(3),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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});
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// Add a vote to 2.
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//
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// 0
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// / \
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// 1 2 <- +1 vote
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// | |
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// 3 4
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// | |
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// 5 6
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// | |
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// 7 8
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// | |
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// 9 10
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ops.push(Operation::ProcessAttestation {
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validator_index: 1,
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block_root: get_hash(2),
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target_epoch: Epoch::new(0),
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});
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// Ensure that if we start at 0 we find 10 (just: 0, fin: 0).
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//
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// 0 <-- start
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// / \
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// 1 2
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// | |
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// 3 4
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// | |
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// 5 6
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// | |
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// 7 8
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// | |
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// 9 10 <-- head
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(0),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(10),
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});
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// Same as above but justified epoch 2.
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(2),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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expected_head: get_hash(10),
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});
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// Same as above but justified epoch 3 (should fail).
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ops.push(Operation::InvalidFindHead {
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justified_epoch: Epoch::new(3),
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justified_root: get_hash(0),
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finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
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});
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// Ensure that if we start at 1 we find 9 (just: 0, fin: 0).
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//
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// 0
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// / \
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// start-> 1 2
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// | |
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// 3 4
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// | |
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// 5 6
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// | |
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// 7 8
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// | |
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// head -> 9 10
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(0),
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justified_root: get_hash(1),
|
||||
finalized_epoch: Epoch::new(0),
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justified_state_balances: balances.clone(),
|
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expected_head: get_hash(9),
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});
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// Same as above but justified epoch 2.
|
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ops.push(Operation::FindHead {
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justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(1),
|
||||
finalized_epoch: Epoch::new(0),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(9),
|
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});
|
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// Same as above but justified epoch 3 (should fail).
|
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ops.push(Operation::InvalidFindHead {
|
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justified_epoch: Epoch::new(3),
|
||||
justified_root: get_hash(1),
|
||||
finalized_epoch: Epoch::new(0),
|
||||
justified_state_balances: balances.clone(),
|
||||
});
|
||||
|
||||
// Ensure that if we start at 2 we find 10 (just: 0, fin: 0).
|
||||
//
|
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// 0
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// / \
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||||
// 1 2 <- start
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||||
// | |
|
||||
// 3 4
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||||
// | |
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||||
// 5 6
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||||
// | |
|
||||
// 7 8
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||||
// | |
|
||||
// 9 10 <- head
|
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ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(0),
|
||||
justified_root: get_hash(2),
|
||||
finalized_epoch: Epoch::new(0),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(10),
|
||||
});
|
||||
// Same as above but justified epoch 2.
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(2),
|
||||
finalized_epoch: Epoch::new(0),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(10),
|
||||
});
|
||||
// Same as above but justified epoch 3 (should fail).
|
||||
ops.push(Operation::InvalidFindHead {
|
||||
justified_epoch: Epoch::new(3),
|
||||
justified_root: get_hash(2),
|
||||
finalized_epoch: Epoch::new(0),
|
||||
justified_state_balances: balances.clone(),
|
||||
});
|
||||
|
||||
// END OF TESTS
|
||||
ForkChoiceTestDefinition {
|
||||
finalized_block_slot: Slot::new(0),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
finalized_root: get_hash(0),
|
||||
operations: ops,
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn ffg_case_01() {
|
||||
let test = get_ffg_case_01_test_definition();
|
||||
test.run();
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn ffg_case_02() {
|
||||
let test = get_ffg_case_02_test_definition();
|
||||
test.run();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,237 @@
|
||||
use super::*;
|
||||
|
||||
pub fn get_no_votes_test_definition() -> ForkChoiceTestDefinition {
|
||||
let balances = vec![0; 16];
|
||||
|
||||
let operations = vec![
|
||||
// Check that the head is the finalized block.
|
||||
Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: Hash256::zero(),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: Hash256::zero(),
|
||||
},
|
||||
// Add block 2
|
||||
//
|
||||
// 0
|
||||
// /
|
||||
// 2
|
||||
Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(2),
|
||||
parent_root: get_hash(0),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
},
|
||||
// Ensure the head is 2
|
||||
//
|
||||
// 0
|
||||
// /
|
||||
// 2 <- head
|
||||
Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: Hash256::zero(),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(2),
|
||||
},
|
||||
// Add block 1
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(1),
|
||||
parent_root: get_hash(0),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
},
|
||||
// Ensure the head is still 2
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// head-> 2 1
|
||||
Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: Hash256::zero(),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(2),
|
||||
},
|
||||
// Add block 3
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(3),
|
||||
parent_root: get_hash(1),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
},
|
||||
// Ensure 2 is still the head
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// head-> 2 1
|
||||
// |
|
||||
// 3
|
||||
Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: Hash256::zero(),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(2),
|
||||
},
|
||||
// Add block 4
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// | |
|
||||
// 4 3
|
||||
Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(4),
|
||||
parent_root: get_hash(2),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
},
|
||||
// Ensure the head is 4.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// | |
|
||||
// head-> 4 3
|
||||
Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: Hash256::zero(),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(4),
|
||||
},
|
||||
// Add block 5 with a justified epoch of 2
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// | |
|
||||
// 4 3
|
||||
// |
|
||||
// 5 <- justified epoch = 2
|
||||
Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(5),
|
||||
parent_root: get_hash(4),
|
||||
justified_epoch: Epoch::new(2),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
},
|
||||
// Ensure the head is still 4 whilst the justified epoch is 0.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// | |
|
||||
// head-> 4 3
|
||||
// |
|
||||
// 5
|
||||
Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: Hash256::zero(),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(4),
|
||||
},
|
||||
// Ensure there is an error when starting from a block that has the wrong justified epoch.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// | |
|
||||
// 4 3
|
||||
// |
|
||||
// 5 <- starting from 5 with justified epoch 0 should error.
|
||||
Operation::InvalidFindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
},
|
||||
// Set the justified epoch to 2 and the start block to 5 and ensure 5 is the head.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// | |
|
||||
// 4 3
|
||||
// |
|
||||
// 5 <- head
|
||||
Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(5),
|
||||
},
|
||||
// Add block 6
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// | |
|
||||
// 4 3
|
||||
// |
|
||||
// 5
|
||||
// |
|
||||
// 6
|
||||
Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(6),
|
||||
parent_root: get_hash(5),
|
||||
justified_epoch: Epoch::new(2),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
},
|
||||
// Ensure 6 is the head
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// | |
|
||||
// 4 3
|
||||
// |
|
||||
// 5
|
||||
// |
|
||||
// 6 <- head
|
||||
Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(6),
|
||||
},
|
||||
];
|
||||
|
||||
ForkChoiceTestDefinition {
|
||||
finalized_block_slot: Slot::new(0),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
finalized_root: get_hash(0),
|
||||
operations,
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
#[test]
|
||||
fn test() {
|
||||
let test = get_no_votes_test_definition();
|
||||
test.run();
|
||||
}
|
||||
}
|
||||
698
consensus/proto_array/src/fork_choice_test_definition/votes.rs
Normal file
698
consensus/proto_array/src/fork_choice_test_definition/votes.rs
Normal file
@@ -0,0 +1,698 @@
|
||||
use super::*;
|
||||
|
||||
pub fn get_votes_test_definition() -> ForkChoiceTestDefinition {
|
||||
let mut balances = vec![1; 2];
|
||||
let mut ops = vec![];
|
||||
|
||||
// Ensure that the head starts at the finalized block.
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(0),
|
||||
});
|
||||
|
||||
// Add a block with a hash of 2.
|
||||
//
|
||||
// 0
|
||||
// /
|
||||
// 2
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(2),
|
||||
parent_root: get_hash(0),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
});
|
||||
|
||||
// Ensure that the head is 2
|
||||
//
|
||||
// 0
|
||||
// /
|
||||
// head-> 2
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(2),
|
||||
});
|
||||
|
||||
// Add a block with a hash of 1 that comes off the genesis block (this is a fork compared
|
||||
// to the previous block).
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(1),
|
||||
parent_root: get_hash(0),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
});
|
||||
|
||||
// Ensure that the head is still 2
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// head-> 2 1
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(2),
|
||||
});
|
||||
|
||||
// Add a vote to block 1
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1 <- +vote
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 0,
|
||||
block_root: get_hash(1),
|
||||
target_epoch: Epoch::new(2),
|
||||
});
|
||||
|
||||
// Ensure that the head is now 1, beacuse 1 has a vote.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1 <- head
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(1),
|
||||
});
|
||||
|
||||
// Add a vote to block 2
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// +vote-> 2 1
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 1,
|
||||
block_root: get_hash(2),
|
||||
target_epoch: Epoch::new(2),
|
||||
});
|
||||
|
||||
// Ensure that the head is 2 since 1 and 2 both have a vote
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// head-> 2 1
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(2),
|
||||
});
|
||||
|
||||
// Add block 3.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(3),
|
||||
parent_root: get_hash(1),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
});
|
||||
|
||||
// Ensure that the head is still 2
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// head-> 2 1
|
||||
// |
|
||||
// 3
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(2),
|
||||
});
|
||||
|
||||
// Move validator #0 vote from 1 to 3
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1 <- -vote
|
||||
// |
|
||||
// 3 <- +vote
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 0,
|
||||
block_root: get_hash(3),
|
||||
target_epoch: Epoch::new(3),
|
||||
});
|
||||
|
||||
// Ensure that the head is still 2
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// head-> 2 1
|
||||
// |
|
||||
// 3
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(2),
|
||||
});
|
||||
|
||||
// Move validator #1 vote from 2 to 1 (this is an equivocation, but fork choice doesn't
|
||||
// care)
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// -vote-> 2 1 <- +vote
|
||||
// |
|
||||
// 3
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 1,
|
||||
block_root: get_hash(1),
|
||||
target_epoch: Epoch::new(3),
|
||||
});
|
||||
|
||||
// Ensure that the head is now 3
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3 <- head
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(3),
|
||||
});
|
||||
|
||||
// Add block 4.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(4),
|
||||
parent_root: get_hash(3),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
});
|
||||
|
||||
// Ensure that the head is now 4
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4 <- head
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(4),
|
||||
});
|
||||
|
||||
// Add block 5, which has a justified epoch of 2.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// /
|
||||
// 5 <- justified epoch = 2
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(5),
|
||||
parent_root: get_hash(4),
|
||||
justified_epoch: Epoch::new(2),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
});
|
||||
|
||||
// Ensure that 5 is filtered out and the head stays at 4.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4 <- head
|
||||
// /
|
||||
// 5
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(4),
|
||||
});
|
||||
|
||||
// Add block 6, which has a justified epoch of 0.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// 5 6 <- justified epoch = 0
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(6),
|
||||
parent_root: get_hash(4),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
});
|
||||
|
||||
// Move both votes to 5.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// +2 vote-> 5 6
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 0,
|
||||
block_root: get_hash(5),
|
||||
target_epoch: Epoch::new(4),
|
||||
});
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 1,
|
||||
block_root: get_hash(5),
|
||||
target_epoch: Epoch::new(4),
|
||||
});
|
||||
|
||||
// Add blocks 7, 8 and 9. Adding these blocks helps test the `best_descendant`
|
||||
// functionality.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// /
|
||||
// 9
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(7),
|
||||
parent_root: get_hash(5),
|
||||
justified_epoch: Epoch::new(2),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
});
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(8),
|
||||
parent_root: get_hash(7),
|
||||
justified_epoch: Epoch::new(2),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
});
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(9),
|
||||
parent_root: get_hash(8),
|
||||
justified_epoch: Epoch::new(2),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
});
|
||||
|
||||
// Ensure that 6 is the head, even though 5 has all the votes. This is testing to ensure
|
||||
// that 5 is filtered out due to a differing justified epoch.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// 5 6 <- head
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// /
|
||||
// 9
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(1),
|
||||
justified_root: get_hash(0),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(6),
|
||||
});
|
||||
|
||||
// Change fork-choice justified epoch to 1, and the start block to 5 and ensure that 9 is
|
||||
// the head.
|
||||
//
|
||||
// << Change justified epoch to 1 >>
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// /
|
||||
// head-> 9
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(9),
|
||||
});
|
||||
|
||||
// Change fork-choice justified epoch to 1, and the start block to 5 and ensure that 9 is
|
||||
// the head.
|
||||
//
|
||||
// << Change justified epoch to 1 >>
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// /
|
||||
// 9 <- +2 votes
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 0,
|
||||
block_root: get_hash(9),
|
||||
target_epoch: Epoch::new(5),
|
||||
});
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 1,
|
||||
block_root: get_hash(9),
|
||||
target_epoch: Epoch::new(5),
|
||||
});
|
||||
|
||||
// Add block 10
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// 9 10
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(10),
|
||||
parent_root: get_hash(8),
|
||||
justified_epoch: Epoch::new(2),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
});
|
||||
|
||||
// Double-check the head is still 9 (no diagram this time)
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(9),
|
||||
});
|
||||
|
||||
// Introduce 2 more validators into the system
|
||||
balances = vec![1; 4];
|
||||
|
||||
// Have the two new validators vote for 10
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// 9 10 <- +2 votes
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 2,
|
||||
block_root: get_hash(10),
|
||||
target_epoch: Epoch::new(5),
|
||||
});
|
||||
ops.push(Operation::ProcessAttestation {
|
||||
validator_index: 3,
|
||||
block_root: get_hash(10),
|
||||
target_epoch: Epoch::new(5),
|
||||
});
|
||||
|
||||
// Check the head is now 10.
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// / \
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// 9 10 <- head
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(10),
|
||||
});
|
||||
|
||||
// Set the balances of the last two validators to zero
|
||||
balances = vec![1, 1, 0, 0];
|
||||
|
||||
// Check the head is 9 again.
|
||||
//
|
||||
// .
|
||||
// .
|
||||
// .
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// head-> 9 10
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(9),
|
||||
});
|
||||
|
||||
// Set the balances of the last two validators back to 1
|
||||
balances = vec![1; 4];
|
||||
|
||||
// Check the head is 10.
|
||||
//
|
||||
// .
|
||||
// .
|
||||
// .
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// 9 10 <- head
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(10),
|
||||
});
|
||||
|
||||
// Remove the last two validators
|
||||
balances = vec![1; 2];
|
||||
|
||||
// Check the head is 9 again.
|
||||
//
|
||||
// (prior blocks omitted for brevity)
|
||||
// .
|
||||
// .
|
||||
// .
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// head-> 9 10
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(9),
|
||||
});
|
||||
|
||||
// Ensure that pruning below the prune threshold does not prune.
|
||||
ops.push(Operation::Prune {
|
||||
finalized_root: get_hash(5),
|
||||
prune_threshold: usize::max_value(),
|
||||
expected_len: 11,
|
||||
});
|
||||
|
||||
// Run find-head, ensure the no-op prune didn't change the head.
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(9),
|
||||
});
|
||||
|
||||
// Ensure that pruning above the prune threshold does prune.
|
||||
//
|
||||
//
|
||||
// 0
|
||||
// / \
|
||||
// 2 1
|
||||
// |
|
||||
// 3
|
||||
// |
|
||||
// 4
|
||||
// -------pruned here ------
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// 9 10
|
||||
ops.push(Operation::Prune {
|
||||
finalized_root: get_hash(5),
|
||||
prune_threshold: 1,
|
||||
expected_len: 6,
|
||||
});
|
||||
|
||||
// Run find-head, ensure the prune didn't change the head.
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(9),
|
||||
});
|
||||
|
||||
// Add block 11
|
||||
//
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// 9 10
|
||||
// |
|
||||
// 11
|
||||
ops.push(Operation::ProcessBlock {
|
||||
slot: Slot::new(0),
|
||||
root: get_hash(11),
|
||||
parent_root: get_hash(9),
|
||||
justified_epoch: Epoch::new(2),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
});
|
||||
|
||||
// Ensure the head is now 11
|
||||
//
|
||||
// 5 6
|
||||
// |
|
||||
// 7
|
||||
// |
|
||||
// 8
|
||||
// / \
|
||||
// 9 10
|
||||
// |
|
||||
// head-> 11
|
||||
ops.push(Operation::FindHead {
|
||||
justified_epoch: Epoch::new(2),
|
||||
justified_root: get_hash(5),
|
||||
finalized_epoch: Epoch::new(2),
|
||||
justified_state_balances: balances.clone(),
|
||||
expected_head: get_hash(11),
|
||||
});
|
||||
|
||||
ForkChoiceTestDefinition {
|
||||
finalized_block_slot: Slot::new(0),
|
||||
justified_epoch: Epoch::new(1),
|
||||
finalized_epoch: Epoch::new(1),
|
||||
finalized_root: get_hash(0),
|
||||
operations: ops,
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test() {
|
||||
let test = get_votes_test_definition();
|
||||
test.run();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user