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Rollback Block With Context Deadline (#14608)

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* Rollback deadline

* Fix it

* Preston's Suggestion
This commit is contained in:
Nishant Das
2024-11-04 23:47:30 +08:00
committed by GitHub
parent 91c15247e5
commit 928b707ef1
3 changed files with 82 additions and 0 deletions
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79
beacon-chain/blockchain/process_block_test.go
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@@ -2352,6 +2352,85 @@ func TestRollbackBlock(t *testing.T) {
require.Equal(t, false, hasState)
}
func TestRollbackBlock_ContextDeadline(t *testing.T) {
service, tr := minimalTestService(t)
ctx := tr.ctx
st, keys := util.DeterministicGenesisState(t, 64)
stateRoot, err := st.HashTreeRoot(ctx)
require.NoError(t, err, "Could not hash genesis state")
require.NoError(t, service.saveGenesisData(ctx, st))
genesis := blocks.NewGenesisBlock(stateRoot[:])
wsb, err := consensusblocks.NewSignedBeaconBlock(genesis)
require.NoError(t, err)
require.NoError(t, service.cfg.BeaconDB.SaveBlock(ctx, wsb), "Could not save genesis block")
parentRoot, err := genesis.Block.HashTreeRoot()
require.NoError(t, err, "Could not get signing root")
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, st, parentRoot), "Could not save genesis state")
require.NoError(t, service.cfg.BeaconDB.SaveHeadBlockRoot(ctx, parentRoot), "Could not save genesis state")
require.NoError(t, service.cfg.BeaconDB.SaveJustifiedCheckpoint(ctx, &ethpb.Checkpoint{Root: parentRoot[:]}))
require.NoError(t, service.cfg.BeaconDB.SaveFinalizedCheckpoint(ctx, &ethpb.Checkpoint{Root: parentRoot[:]}))
st, err = service.HeadState(ctx)
require.NoError(t, err)
b, err := util.GenerateFullBlock(st, keys, util.DefaultBlockGenConfig(), 33)
require.NoError(t, err)
wsb, err = consensusblocks.NewSignedBeaconBlock(b)
require.NoError(t, err)
root, err := b.Block.HashTreeRoot()
require.NoError(t, err)
preState, err := service.getBlockPreState(ctx, wsb.Block())
require.NoError(t, err)
postState, err := service.validateStateTransition(ctx, preState, wsb)
require.NoError(t, err)
require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
roblock, err := consensusblocks.NewROBlockWithRoot(wsb, root)
require.NoError(t, err)
require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, roblock, [32]byte{}, postState, false}))
b, err = util.GenerateFullBlock(postState, keys, util.DefaultBlockGenConfig(), 34)
require.NoError(t, err)
wsb, err = consensusblocks.NewSignedBeaconBlock(b)
require.NoError(t, err)
root, err = b.Block.HashTreeRoot()
require.NoError(t, err)
preState, err = service.getBlockPreState(ctx, wsb.Block())
require.NoError(t, err)
postState, err = service.validateStateTransition(ctx, preState, wsb)
require.NoError(t, err)
require.NoError(t, service.savePostStateInfo(ctx, root, wsb, postState))
require.Equal(t, true, service.cfg.BeaconDB.HasBlock(ctx, root))
hasState, err := service.cfg.StateGen.HasState(ctx, root)
require.NoError(t, err)
require.Equal(t, true, hasState)
// Set deadlined context when processing the block
cancCtx, canc := context.WithCancel(context.Background())
canc()
roblock, err = consensusblocks.NewROBlockWithRoot(wsb, root)
require.NoError(t, err)
parentRoot = roblock.Block().ParentRoot()
cj := &ethpb.Checkpoint{}
cj.Epoch = 1
cj.Root = parentRoot[:]
require.NoError(t, postState.SetCurrentJustifiedCheckpoint(cj))
require.NoError(t, postState.SetFinalizedCheckpoint(cj))
// Rollback block insertion into db and caches.
require.ErrorContains(t, "context canceled", service.postBlockProcess(&postBlockProcessConfig{cancCtx, roblock, [32]byte{}, postState, false}))
// The block should no longer exist.
require.Equal(t, false, service.cfg.BeaconDB.HasBlock(ctx, root))
hasState, err = service.cfg.StateGen.HasState(ctx, root)
require.NoError(t, err)
require.Equal(t, false, hasState)
}
func fakeCommitments(n int) [][]byte {
f := make([][]byte, n)
for i := range f {