mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 04:47:18 +00:00
aeb6940935
* Prune synced tips * Terence's minor cleanups * Update optimistic_sync.go * go fmt Co-authored-by: terence tsao <terence@prysmaticlabs.com>
299 lines
10 KiB
Go
299 lines
10 KiB
Go
package protoarray
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
|
|
"github.com/prysmaticlabs/prysm/config/params"
|
|
"github.com/prysmaticlabs/prysm/testing/assert"
|
|
"github.com/prysmaticlabs/prysm/testing/require"
|
|
)
|
|
|
|
func TestVotes_CanFindHead(t *testing.T) {
|
|
balances := []uint64{1, 1}
|
|
f := setup(1, 1)
|
|
syncedTips := &optimisticStore{}
|
|
|
|
// The head should always start at the finalized block.
|
|
r, err := f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, params.BeaconConfig().ZeroHash, r, "Incorrect head with genesis")
|
|
|
|
// Insert block 2 into the tree and verify head is at 2:
|
|
// 0
|
|
// /
|
|
// 2 <- head
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(2), params.BeaconConfig().ZeroHash, [32]byte{}, 1, 1))
|
|
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(2), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Insert block 1 into the tree and verify head is still at 2:
|
|
// 0
|
|
// / \
|
|
// head -> 2 1
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(1), params.BeaconConfig().ZeroHash, [32]byte{}, 1, 1))
|
|
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(2), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Add a vote to block 1 of the tree and verify head is switched to 1:
|
|
// 0
|
|
// / \
|
|
// 2 1 <- +vote, new head
|
|
f.ProcessAttestation(context.Background(), []uint64{0}, indexToHash(1), 2)
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(1), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Add a vote to block 2 of the tree and verify head is switched to 2:
|
|
// 0
|
|
// / \
|
|
// vote, new head -> 2 1
|
|
f.ProcessAttestation(context.Background(), []uint64{1}, indexToHash(2), 2)
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(2), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Insert block 3 into the tree and verify head is still at 2:
|
|
// 0
|
|
// / \
|
|
// head -> 2 1
|
|
// |
|
|
// 3
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(3), indexToHash(1), [32]byte{}, 1, 1))
|
|
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(2), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Move validator 0's vote from 1 to 3 and verify head is still at 2:
|
|
// 0
|
|
// / \
|
|
// head -> 2 1 <- old vote
|
|
// |
|
|
// 3 <- new vote
|
|
f.ProcessAttestation(context.Background(), []uint64{0}, indexToHash(3), 3)
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(2), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Move validator 1's vote from 2 to 1 and verify head is switched to 3:
|
|
// 0
|
|
// / \
|
|
// old vote -> 2 1 <- new vote
|
|
// |
|
|
// 3 <- head
|
|
f.ProcessAttestation(context.Background(), []uint64{1}, indexToHash(1), 3)
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(3), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Insert block 4 into the tree and verify head is at 4:
|
|
// 0
|
|
// / \
|
|
// 2 1
|
|
// |
|
|
// 3
|
|
// |
|
|
// 4 <- head
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(4), indexToHash(3), [32]byte{}, 1, 1))
|
|
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(4), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Insert block 5 with justified epoch 2, it should be filtered out:
|
|
// 0
|
|
// / \
|
|
// 2 1
|
|
// |
|
|
// 3
|
|
// |
|
|
// 4 <- head
|
|
// /
|
|
// 5 <- justified epoch = 2
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(5), indexToHash(4), [32]byte{}, 2, 2))
|
|
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(4), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Insert block 6 with justified epoch 0:
|
|
// 0
|
|
// / \
|
|
// 2 1
|
|
// |
|
|
// 3
|
|
// |
|
|
// 4 <- head
|
|
// / \
|
|
// 5 6 <- justified epoch = 0
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(6), indexToHash(4), [32]byte{}, 1, 1))
|
|
|
|
// Moved 2 votes to block 5:
|
|
// 0
|
|
// / \
|
|
// 2 1
|
|
// |
|
|
// 3
|
|
// |
|
|
// 4
|
|
// / \
|
|
// 2 votes-> 5 6
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(6), indexToHash(4), [32]byte{}, 1, 1))
|
|
|
|
f.ProcessAttestation(context.Background(), []uint64{0, 1}, indexToHash(5), 4)
|
|
|
|
// Inset blocks 7, 8 and 9:
|
|
// 6 should still be the head, even though 5 has all the votes.
|
|
// 0
|
|
// / \
|
|
// 2 1
|
|
// |
|
|
// 3
|
|
// |
|
|
// 4
|
|
// / \
|
|
// 5 6 <- head
|
|
// |
|
|
// 7
|
|
// |
|
|
// 8
|
|
// |
|
|
// 9
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(7), indexToHash(5), [32]byte{}, 2, 2))
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(8), indexToHash(7), [32]byte{}, 2, 2))
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(9), indexToHash(8), [32]byte{}, 2, 2))
|
|
|
|
r, err = f.Head(context.Background(), 1, params.BeaconConfig().ZeroHash, balances, 1)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(6), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Update fork choice justified epoch to 1 and start block to 5.
|
|
// Verify 9 is the head:
|
|
// 0
|
|
// / \
|
|
// 2 1
|
|
// |
|
|
// 3
|
|
// |
|
|
// 4
|
|
// / \
|
|
// 5 6
|
|
// |
|
|
// 7
|
|
// |
|
|
// 8
|
|
// |
|
|
// 9 <- head
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(9), r, "Incorrect head for with justified epoch at 2")
|
|
|
|
// Insert block 10 and 2 validators updated their vote to 9.
|
|
// Verify 9 is the head:
|
|
// 0
|
|
// / \
|
|
// 2 1
|
|
// |
|
|
// 3
|
|
// |
|
|
// 4
|
|
// / \
|
|
// 5 6
|
|
// |
|
|
// 7
|
|
// |
|
|
// 8
|
|
// / \
|
|
// 2 votes->9 10
|
|
f.ProcessAttestation(context.Background(), []uint64{0, 1}, indexToHash(9), 5)
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(10), indexToHash(8), [32]byte{}, 2, 2))
|
|
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(9), r, "Incorrect head for with justified epoch at 2")
|
|
|
|
// Add 3 more validators to the system.
|
|
balances = []uint64{1, 1, 1, 1, 1}
|
|
// The new validators voted for 10.
|
|
f.ProcessAttestation(context.Background(), []uint64{2, 3, 4}, indexToHash(10), 5)
|
|
// The new head should be 10.
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(10), r, "Incorrect head for with justified epoch at 2")
|
|
|
|
// Set the balances of the last 2 validators to 0.
|
|
balances = []uint64{1, 1, 1, 0, 0}
|
|
// The head should be back to 9.
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(9), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Set the balances back to normal.
|
|
balances = []uint64{1, 1, 1, 1, 1}
|
|
// The head should be back to 10.
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(10), r, "Incorrect head for with justified epoch at 2")
|
|
|
|
// Remove the last 2 validators.
|
|
balances = []uint64{1, 1, 1}
|
|
// The head should be back to 9.
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(9), r, "Incorrect head for with justified epoch at 1")
|
|
|
|
// Verify pruning below the prune threshold does not affect head.
|
|
f.store.pruneThreshold = 1000
|
|
require.NoError(t, f.store.prune(context.Background(), indexToHash(5), syncedTips))
|
|
assert.Equal(t, 11, len(f.store.nodes), "Incorrect nodes length after prune")
|
|
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(9), r, "Incorrect head for with justified epoch at 2")
|
|
|
|
// Verify pruning above the prune threshold does prune:
|
|
// 0
|
|
// / \
|
|
// 2 1
|
|
// |
|
|
// 3
|
|
// |
|
|
// 4
|
|
// -------pruned here ------
|
|
// 5 6
|
|
// |
|
|
// 7
|
|
// |
|
|
// 8
|
|
// / \
|
|
// 9 10
|
|
f.store.pruneThreshold = 1
|
|
require.NoError(t, f.store.prune(context.Background(), indexToHash(5), syncedTips))
|
|
assert.Equal(t, 5, len(f.store.nodes), "Incorrect nodes length after prune")
|
|
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(9), r, "Incorrect head for with justified epoch at 2")
|
|
|
|
// Insert new block 11 and verify head is at 11.
|
|
// 5 6
|
|
// |
|
|
// 7
|
|
// |
|
|
// 8
|
|
// / \
|
|
// 9 10
|
|
// |
|
|
// head-> 11
|
|
require.NoError(t, f.ProcessBlock(context.Background(), 0, indexToHash(11), indexToHash(9), [32]byte{}, 2, 2))
|
|
|
|
r, err = f.Head(context.Background(), 2, indexToHash(5), balances, 2)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, indexToHash(11), r, "Incorrect head for with justified epoch at 2")
|
|
}
|