prysm-pulse/beacon-chain/forkchoice/doubly-linked-tree/node_test.go
terencechain d17996f8b0
Update to V4 🚀 (#12134)
* Update V3 from V4

* Fix build v3 -> v4

* Update ssz

* Update beacon_chain.pb.go

* Fix formatter import

* Update update-mockgen.sh comment to v4

* Fix conflicts. Pass build and tests

* Fix test
2023-03-17 18:52:56 +00:00

327 lines
13 KiB
Go

package doublylinkedtree
import (
"context"
"testing"
"github.com/prysmaticlabs/prysm/v4/config/params"
"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
v1 "github.com/prysmaticlabs/prysm/v4/proto/eth/v1"
"github.com/prysmaticlabs/prysm/v4/testing/assert"
"github.com/prysmaticlabs/prysm/v4/testing/require"
)
func TestNode_ApplyWeightChanges_PositiveChange(t *testing.T) {
f := setup(0, 0)
ctx := context.Background()
state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 2, indexToHash(2), indexToHash(1), params.BeaconConfig().ZeroHash, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 3, indexToHash(3), indexToHash(2), params.BeaconConfig().ZeroHash, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
// The updated balances of each node is 100
s := f.store
s.nodeByRoot[indexToHash(1)].balance = 100
s.nodeByRoot[indexToHash(2)].balance = 100
s.nodeByRoot[indexToHash(3)].balance = 100
assert.NoError(t, s.treeRootNode.applyWeightChanges(ctx))
assert.Equal(t, uint64(300), s.nodeByRoot[indexToHash(1)].weight)
assert.Equal(t, uint64(200), s.nodeByRoot[indexToHash(2)].weight)
assert.Equal(t, uint64(100), s.nodeByRoot[indexToHash(3)].weight)
}
func TestNode_ApplyWeightChanges_NegativeChange(t *testing.T) {
f := setup(0, 0)
ctx := context.Background()
state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 2, indexToHash(2), indexToHash(1), params.BeaconConfig().ZeroHash, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 3, indexToHash(3), indexToHash(2), params.BeaconConfig().ZeroHash, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
// The updated balances of each node is 100
s := f.store
s.nodeByRoot[indexToHash(1)].weight = 400
s.nodeByRoot[indexToHash(2)].weight = 400
s.nodeByRoot[indexToHash(3)].weight = 400
s.nodeByRoot[indexToHash(1)].balance = 100
s.nodeByRoot[indexToHash(2)].balance = 100
s.nodeByRoot[indexToHash(3)].balance = 100
assert.NoError(t, s.treeRootNode.applyWeightChanges(ctx))
assert.Equal(t, uint64(300), s.nodeByRoot[indexToHash(1)].weight)
assert.Equal(t, uint64(200), s.nodeByRoot[indexToHash(2)].weight)
assert.Equal(t, uint64(100), s.nodeByRoot[indexToHash(3)].weight)
}
func TestNode_UpdateBestDescendant_NonViableChild(t *testing.T) {
f := setup(1, 1)
ctx := context.Background()
// Input child is not viable.
state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 2, 3)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
// Verify parent's best child and best descendant are `none`.
s := f.store
assert.Equal(t, 1, len(s.treeRootNode.children))
nilBestDescendant := s.treeRootNode.bestDescendant == nil
assert.Equal(t, true, nilBestDescendant)
}
func TestNode_UpdateBestDescendant_ViableChild(t *testing.T) {
f := setup(1, 1)
ctx := context.Background()
// Input child is best descendant
state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
s := f.store
assert.Equal(t, 1, len(s.treeRootNode.children))
assert.Equal(t, s.treeRootNode.children[0], s.treeRootNode.bestDescendant)
}
func TestNode_UpdateBestDescendant_HigherWeightChild(t *testing.T) {
f := setup(1, 1)
ctx := context.Background()
// Input child is best descendant
state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 2, indexToHash(2), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
s := f.store
s.nodeByRoot[indexToHash(1)].weight = 100
s.nodeByRoot[indexToHash(2)].weight = 200
assert.NoError(t, s.treeRootNode.updateBestDescendant(ctx, 1, 1, 1))
assert.Equal(t, 2, len(s.treeRootNode.children))
assert.Equal(t, s.treeRootNode.children[1], s.treeRootNode.bestDescendant)
}
func TestNode_UpdateBestDescendant_LowerWeightChild(t *testing.T) {
f := setup(1, 1)
ctx := context.Background()
// Input child is best descendant
state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 2, indexToHash(2), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
s := f.store
s.nodeByRoot[indexToHash(1)].weight = 200
s.nodeByRoot[indexToHash(2)].weight = 100
assert.NoError(t, s.treeRootNode.updateBestDescendant(ctx, 1, 1, 1))
assert.Equal(t, 2, len(s.treeRootNode.children))
assert.Equal(t, s.treeRootNode.children[0], s.treeRootNode.bestDescendant)
}
func TestNode_ViableForHead(t *testing.T) {
tests := []struct {
n *Node
justifiedEpoch primitives.Epoch
want bool
}{
{&Node{}, 0, true},
{&Node{}, 1, false},
{&Node{finalizedEpoch: 1, justifiedEpoch: 1}, 1, true},
{&Node{finalizedEpoch: 1, justifiedEpoch: 1}, 2, false},
{&Node{finalizedEpoch: 3, justifiedEpoch: 4}, 4, true},
}
for _, tc := range tests {
got := tc.n.viableForHead(tc.justifiedEpoch, 5)
assert.Equal(t, tc.want, got)
}
}
func TestNode_LeadsToViableHead(t *testing.T) {
f := setup(4, 3)
ctx := context.Background()
state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 2, indexToHash(2), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 3, indexToHash(3), indexToHash(1), params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 4, indexToHash(4), indexToHash(2), params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
state, blkRoot, err = prepareForkchoiceState(ctx, 5, indexToHash(5), indexToHash(3), params.BeaconConfig().ZeroHash, 4, 3)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
require.Equal(t, true, f.store.treeRootNode.leadsToViableHead(4, 5))
require.Equal(t, true, f.store.nodeByRoot[indexToHash(5)].leadsToViableHead(4, 5))
require.Equal(t, false, f.store.nodeByRoot[indexToHash(2)].leadsToViableHead(4, 5))
require.Equal(t, false, f.store.nodeByRoot[indexToHash(4)].leadsToViableHead(4, 5))
}
func TestNode_SetFullyValidated(t *testing.T) {
f := setup(1, 1)
ctx := context.Background()
storeNodes := make([]*Node, 6)
storeNodes[0] = f.store.treeRootNode
// insert blocks in the fork pattern (optimistic status in parenthesis)
//
// 0 (false) -- 1 (false) -- 2 (false) -- 3 (true) -- 4 (true)
// \
// -- 5 (true)
//
state, blkRoot, err := prepareForkchoiceState(ctx, 1, indexToHash(1), params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
storeNodes[1] = f.store.nodeByRoot[blkRoot]
require.NoError(t, f.SetOptimisticToValid(ctx, params.BeaconConfig().ZeroHash))
state, blkRoot, err = prepareForkchoiceState(ctx, 2, indexToHash(2), indexToHash(1), params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
storeNodes[2] = f.store.nodeByRoot[blkRoot]
require.NoError(t, f.SetOptimisticToValid(ctx, indexToHash(1)))
state, blkRoot, err = prepareForkchoiceState(ctx, 3, indexToHash(3), indexToHash(2), params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
storeNodes[3] = f.store.nodeByRoot[blkRoot]
state, blkRoot, err = prepareForkchoiceState(ctx, 4, indexToHash(4), indexToHash(3), params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
storeNodes[4] = f.store.nodeByRoot[blkRoot]
state, blkRoot, err = prepareForkchoiceState(ctx, 5, indexToHash(5), indexToHash(1), params.BeaconConfig().ZeroHash, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
storeNodes[5] = f.store.nodeByRoot[blkRoot]
opt, err := f.IsOptimistic(indexToHash(5))
require.NoError(t, err)
require.Equal(t, true, opt)
opt, err = f.IsOptimistic(indexToHash(4))
require.NoError(t, err)
require.Equal(t, true, opt)
require.NoError(t, f.store.nodeByRoot[indexToHash(4)].setNodeAndParentValidated(ctx))
// block 5 should still be optimistic
opt, err = f.IsOptimistic(indexToHash(5))
require.NoError(t, err)
require.Equal(t, true, opt)
// block 4 and 3 should now be valid
opt, err = f.IsOptimistic(indexToHash(4))
require.NoError(t, err)
require.Equal(t, false, opt)
opt, err = f.IsOptimistic(indexToHash(3))
require.NoError(t, err)
require.Equal(t, false, opt)
respNodes := make([]*v1.ForkChoiceNode, 0)
respNodes, err = f.store.treeRootNode.nodeTreeDump(ctx, respNodes)
require.NoError(t, err)
require.Equal(t, len(respNodes), f.NodeCount())
for i, respNode := range respNodes {
require.Equal(t, storeNodes[i].slot, respNode.Slot)
require.DeepEqual(t, storeNodes[i].root[:], respNode.BlockRoot)
require.Equal(t, storeNodes[i].balance, respNode.Balance)
require.Equal(t, storeNodes[i].weight, respNode.Weight)
require.Equal(t, storeNodes[i].optimistic, respNode.ExecutionOptimistic)
require.Equal(t, storeNodes[i].justifiedEpoch, respNode.JustifiedEpoch)
require.Equal(t, storeNodes[i].unrealizedJustifiedEpoch, respNode.UnrealizedJustifiedEpoch)
require.Equal(t, storeNodes[i].finalizedEpoch, respNode.FinalizedEpoch)
require.Equal(t, storeNodes[i].unrealizedFinalizedEpoch, respNode.UnrealizedFinalizedEpoch)
require.Equal(t, storeNodes[i].timestamp, respNode.Timestamp)
}
}
func TestNode_TimeStampsChecks(t *testing.T) {
f := setup(0, 0)
ctx := context.Background()
// early block
driftGenesisTime(f, 1, 1)
root := [32]byte{'a'}
f.justifiedBalances = []uint64{10}
state, blkRoot, err := prepareForkchoiceState(ctx, 1, root, params.BeaconConfig().ZeroHash, [32]byte{'A'}, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
headRoot, err := f.Head(ctx)
require.NoError(t, err)
require.Equal(t, root, headRoot)
early, err := f.store.headNode.arrivedEarly(f.store.genesisTime)
require.NoError(t, err)
require.Equal(t, true, early)
late, err := f.store.headNode.arrivedAfterOrphanCheck(f.store.genesisTime)
require.NoError(t, err)
require.Equal(t, false, late)
// late block
driftGenesisTime(f, 2, orphanLateBlockFirstThreshold+1)
root = [32]byte{'b'}
state, blkRoot, err = prepareForkchoiceState(ctx, 2, root, [32]byte{'a'}, [32]byte{'B'}, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
headRoot, err = f.Head(ctx)
require.NoError(t, err)
require.Equal(t, root, headRoot)
early, err = f.store.headNode.arrivedEarly(f.store.genesisTime)
require.NoError(t, err)
require.Equal(t, false, early)
late, err = f.store.headNode.arrivedAfterOrphanCheck(f.store.genesisTime)
require.NoError(t, err)
require.Equal(t, false, late)
// very late block
driftGenesisTime(f, 3, ProcessAttestationsThreshold+1)
root = [32]byte{'c'}
state, blkRoot, err = prepareForkchoiceState(ctx, 3, root, [32]byte{'b'}, [32]byte{'C'}, 0, 0)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
headRoot, err = f.Head(ctx)
require.NoError(t, err)
require.Equal(t, root, headRoot)
early, err = f.store.headNode.arrivedEarly(f.store.genesisTime)
require.NoError(t, err)
require.Equal(t, false, early)
late, err = f.store.headNode.arrivedAfterOrphanCheck(f.store.genesisTime)
require.NoError(t, err)
require.Equal(t, true, late)
// block from the future
root = [32]byte{'d'}
state, blkRoot, err = prepareForkchoiceState(ctx, 5, root, [32]byte{'c'}, [32]byte{'D'}, 1, 1)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, blkRoot))
headRoot, err = f.Head(ctx)
require.NoError(t, err)
require.Equal(t, root, headRoot)
early, err = f.store.headNode.arrivedEarly(f.store.genesisTime)
require.ErrorContains(t, "invalid timestamp", err)
require.Equal(t, true, early)
late, err = f.store.headNode.arrivedAfterOrphanCheck(f.store.genesisTime)
require.ErrorContains(t, "invalid timestamp", err)
require.Equal(t, false, late)
}