prysm-pulse/beacon-chain/db/kv/finalized_block_roots_test.go
Raul Jordan a9a4bb9163
Move Shared/Testutil into Testing (#9659)
* move testutil

* util pkg

* build

* gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-23 18:53:46 +00:00

250 lines
8.9 KiB
Go

package kv
import (
"context"
"testing"
types "github.com/prysmaticlabs/eth2-types"
"github.com/prysmaticlabs/prysm/config/params"
"github.com/prysmaticlabs/prysm/encoding/bytesutil"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/block"
"github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1/wrapper"
"github.com/prysmaticlabs/prysm/testing/assert"
"github.com/prysmaticlabs/prysm/testing/require"
"github.com/prysmaticlabs/prysm/testing/util"
)
var genesisBlockRoot = bytesutil.ToBytes32([]byte{'G', 'E', 'N', 'E', 'S', 'I', 'S'})
func TestStore_IsFinalizedBlock(t *testing.T) {
slotsPerEpoch := uint64(params.BeaconConfig().SlotsPerEpoch)
db := setupDB(t)
ctx := context.Background()
require.NoError(t, db.SaveGenesisBlockRoot(ctx, genesisBlockRoot))
blks := makeBlocks(t, 0, slotsPerEpoch*3, genesisBlockRoot)
require.NoError(t, db.SaveBlocks(ctx, blks))
root, err := blks[slotsPerEpoch].Block().HashTreeRoot()
require.NoError(t, err)
cp := &ethpb.Checkpoint{
Epoch: 1,
Root: root[:],
}
st, err := util.NewBeaconState()
require.NoError(t, err)
// a state is required to save checkpoint
require.NoError(t, db.SaveState(ctx, st, root))
require.NoError(t, db.SaveFinalizedCheckpoint(ctx, cp))
// All blocks up to slotsPerEpoch*2 should be in the finalized index.
for i := uint64(0); i < slotsPerEpoch*2; i++ {
root, err := blks[i].Block().HashTreeRoot()
require.NoError(t, err)
assert.Equal(t, true, db.IsFinalizedBlock(ctx, root), "Block at index %d was not considered finalized in the index", i)
}
for i := slotsPerEpoch * 3; i < uint64(len(blks)); i++ {
root, err := blks[i].Block().HashTreeRoot()
require.NoError(t, err)
assert.Equal(t, false, db.IsFinalizedBlock(ctx, root), "Block at index %d was considered finalized in the index, but should not have", i)
}
}
func TestStore_IsFinalizedBlockGenesis(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
blk := util.NewBeaconBlock()
blk.Block.Slot = 0
root, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(ctx, wrapper.WrappedPhase0SignedBeaconBlock(blk)))
require.NoError(t, db.SaveGenesisBlockRoot(ctx, root))
assert.Equal(t, true, db.IsFinalizedBlock(ctx, root), "Finalized genesis block doesn't exist in db")
}
// This test scenario is to test a specific edge case where the finalized block root is not part of
// the finalized and canonical chain.
//
// Example:
// 0 1 2 3 4 5 6 slot
// a <- b <-- d <- e <- f <- g roots
// ^- c
// Imagine that epochs are 2 slots and that epoch 1, 2, and 3 are finalized. Checkpoint roots would
// be c, e, and g. In this scenario, c was a finalized checkpoint root but no block built upon it so
// it should not be considered "final and canonical" in the view at slot 6.
func TestStore_IsFinalized_ForkEdgeCase(t *testing.T) {
slotsPerEpoch := uint64(params.BeaconConfig().SlotsPerEpoch)
blocks0 := makeBlocks(t, slotsPerEpoch*0, slotsPerEpoch, genesisBlockRoot)
blocks1 := append(
makeBlocks(t, slotsPerEpoch*1, 1, bytesutil.ToBytes32(sszRootOrDie(t, blocks0[len(blocks0)-1]))), // No block builds off of the first block in epoch.
makeBlocks(t, slotsPerEpoch*1+1, slotsPerEpoch-1, bytesutil.ToBytes32(sszRootOrDie(t, blocks0[len(blocks0)-1])))...,
)
blocks2 := makeBlocks(t, slotsPerEpoch*2, slotsPerEpoch, bytesutil.ToBytes32(sszRootOrDie(t, blocks1[len(blocks1)-1])))
db := setupDB(t)
ctx := context.Background()
require.NoError(t, db.SaveGenesisBlockRoot(ctx, genesisBlockRoot))
require.NoError(t, db.SaveBlocks(ctx, blocks0))
require.NoError(t, db.SaveBlocks(ctx, blocks1))
require.NoError(t, db.SaveBlocks(ctx, blocks2))
// First checkpoint
checkpoint1 := &ethpb.Checkpoint{
Root: sszRootOrDie(t, blocks1[0]),
Epoch: 1,
}
st, err := util.NewBeaconState()
require.NoError(t, err)
// A state is required to save checkpoint
require.NoError(t, db.SaveState(ctx, st, bytesutil.ToBytes32(checkpoint1.Root)))
require.NoError(t, db.SaveFinalizedCheckpoint(ctx, checkpoint1))
// All blocks in blocks0 and blocks1 should be finalized and canonical.
for i, block := range append(blocks0, blocks1...) {
root := sszRootOrDie(t, block)
assert.Equal(t, true, db.IsFinalizedBlock(ctx, bytesutil.ToBytes32(root)), "%d - Expected block %#x to be finalized", i, root)
}
// Second checkpoint
checkpoint2 := &ethpb.Checkpoint{
Root: sszRootOrDie(t, blocks2[0]),
Epoch: 2,
}
// A state is required to save checkpoint
require.NoError(t, db.SaveState(ctx, st, bytesutil.ToBytes32(checkpoint2.Root)))
require.NoError(t, db.SaveFinalizedCheckpoint(ctx, checkpoint2))
// All blocks in blocks0 and blocks2 should be finalized and canonical.
for i, block := range append(blocks0, blocks2...) {
root := sszRootOrDie(t, block)
assert.Equal(t, true, db.IsFinalizedBlock(ctx, bytesutil.ToBytes32(root)), "%d - Expected block %#x to be finalized", i, root)
}
// All blocks in blocks1 should be finalized and canonical, except blocks1[0].
for i, block := range blocks1 {
root := sszRootOrDie(t, block)
if db.IsFinalizedBlock(ctx, bytesutil.ToBytes32(root)) == (i == 0) {
t.Errorf("Expected db.IsFinalizedBlock(ctx, blocks1[%d]) to be %v", i, i != 0)
}
}
}
func TestStore_IsFinalizedChildBlock(t *testing.T) {
slotsPerEpoch := uint64(params.BeaconConfig().SlotsPerEpoch)
db := setupDB(t)
ctx := context.Background()
require.NoError(t, db.SaveGenesisBlockRoot(ctx, genesisBlockRoot))
blks := makeBlocks(t, 0, slotsPerEpoch*3, genesisBlockRoot)
require.NoError(t, db.SaveBlocks(ctx, blks))
root, err := blks[slotsPerEpoch].Block().HashTreeRoot()
require.NoError(t, err)
cp := &ethpb.Checkpoint{
Epoch: 1,
Root: root[:],
}
st, err := util.NewBeaconState()
require.NoError(t, err)
// a state is required to save checkpoint
require.NoError(t, db.SaveState(ctx, st, root))
require.NoError(t, db.SaveFinalizedCheckpoint(ctx, cp))
// All blocks up to slotsPerEpoch should have a finalized child block.
for i := uint64(0); i < slotsPerEpoch; i++ {
root, err := blks[i].Block().HashTreeRoot()
require.NoError(t, err)
assert.Equal(t, true, db.IsFinalizedBlock(ctx, root), "Block at index %d was not considered finalized in the index", i)
blk, err := db.FinalizedChildBlock(ctx, root)
assert.NoError(t, err)
if blk == nil {
t.Error("Child block doesn't exist for valid finalized block.")
}
}
}
func TestStore_IsFinalizedChildBlockAltair(t *testing.T) {
slotsPerEpoch := uint64(params.BeaconConfig().SlotsPerEpoch)
db := setupDB(t)
ctx := context.Background()
require.NoError(t, db.SaveGenesisBlockRoot(ctx, genesisBlockRoot))
blks := makeBlocksAltair(t, 0, slotsPerEpoch*3, genesisBlockRoot)
require.NoError(t, db.SaveBlocks(ctx, blks))
root, err := blks[slotsPerEpoch].Block().HashTreeRoot()
require.NoError(t, err)
cp := &ethpb.Checkpoint{
Epoch: 1,
Root: root[:],
}
st, err := util.NewBeaconState()
require.NoError(t, err)
// a state is required to save checkpoint
require.NoError(t, db.SaveState(ctx, st, root))
require.NoError(t, db.SaveFinalizedCheckpoint(ctx, cp))
// All blocks up to slotsPerEpoch should have a finalized child block.
for i := uint64(0); i < slotsPerEpoch; i++ {
root, err := blks[i].Block().HashTreeRoot()
require.NoError(t, err)
assert.Equal(t, true, db.IsFinalizedBlock(ctx, root), "Block at index %d was not considered finalized in the index", i)
blk, err := db.FinalizedChildBlock(ctx, root)
assert.NoError(t, err)
if blk == nil {
t.Error("Child block doesn't exist for valid finalized block.")
}
}
}
func sszRootOrDie(t *testing.T, block block.SignedBeaconBlock) []byte {
root, err := block.Block().HashTreeRoot()
require.NoError(t, err)
return root[:]
}
func makeBlocks(t *testing.T, i, n uint64, previousRoot [32]byte) []block.SignedBeaconBlock {
blocks := make([]*ethpb.SignedBeaconBlock, n)
ifaceBlocks := make([]block.SignedBeaconBlock, n)
for j := i; j < n+i; j++ {
parentRoot := make([]byte, 32)
copy(parentRoot, previousRoot[:])
blocks[j-i] = util.NewBeaconBlock()
blocks[j-i].Block.Slot = types.Slot(j + 1)
blocks[j-i].Block.ParentRoot = parentRoot
var err error
previousRoot, err = blocks[j-i].Block.HashTreeRoot()
require.NoError(t, err)
ifaceBlocks[j-i] = wrapper.WrappedPhase0SignedBeaconBlock(blocks[j-i])
}
return ifaceBlocks
}
func makeBlocksAltair(t *testing.T, startIdx, num uint64, previousRoot [32]byte) []block.SignedBeaconBlock {
blocks := make([]*ethpb.SignedBeaconBlockAltair, num)
ifaceBlocks := make([]block.SignedBeaconBlock, num)
for j := startIdx; j < num+startIdx; j++ {
parentRoot := make([]byte, 32)
copy(parentRoot, previousRoot[:])
blocks[j-startIdx] = util.NewBeaconBlockAltair()
blocks[j-startIdx].Block.Slot = types.Slot(j + 1)
blocks[j-startIdx].Block.ParentRoot = parentRoot
var err error
previousRoot, err = blocks[j-startIdx].Block.HashTreeRoot()
require.NoError(t, err)
ifaceBlocks[j-startIdx], err = wrapper.WrappedAltairSignedBeaconBlock(blocks[j-startIdx])
require.NoError(t, err)
}
return ifaceBlocks
}