You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
144 lines
4.6 KiB
144 lines
4.6 KiB
package state_test
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
dbm "github.com/tendermint/tm-db"
|
|
|
|
"github.com/tendermint/tendermint/internal/state"
|
|
"github.com/tendermint/tendermint/internal/state/mocks"
|
|
"github.com/tendermint/tendermint/internal/test/factory"
|
|
"github.com/tendermint/tendermint/types"
|
|
"github.com/tendermint/tendermint/version"
|
|
)
|
|
|
|
func TestRollback(t *testing.T) {
|
|
var (
|
|
height int64 = 100
|
|
nextHeight int64 = 101
|
|
)
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
blockStore := &mocks.BlockStore{}
|
|
stateStore := setupStateStore(ctx, t, height)
|
|
initialState, err := stateStore.Load()
|
|
require.NoError(t, err)
|
|
|
|
// perform the rollback over a version bump
|
|
newParams := types.DefaultConsensusParams()
|
|
newParams.Version.AppVersion = 11
|
|
newParams.Block.MaxBytes = 1000
|
|
nextState := initialState.Copy()
|
|
nextState.LastBlockHeight = nextHeight
|
|
nextState.Version.Consensus.App = 11
|
|
nextState.LastBlockID = factory.MakeBlockID()
|
|
nextState.AppHash = factory.RandomHash()
|
|
nextState.LastValidators = initialState.Validators
|
|
nextState.Validators = initialState.NextValidators
|
|
nextState.NextValidators = initialState.NextValidators.CopyIncrementProposerPriority(1)
|
|
nextState.ConsensusParams = *newParams
|
|
nextState.LastHeightConsensusParamsChanged = nextHeight + 1
|
|
nextState.LastHeightValidatorsChanged = nextHeight + 1
|
|
|
|
// update the state
|
|
require.NoError(t, stateStore.Save(nextState))
|
|
|
|
block := &types.BlockMeta{
|
|
BlockID: initialState.LastBlockID,
|
|
Header: types.Header{
|
|
Height: initialState.LastBlockHeight,
|
|
AppHash: initialState.AppHash,
|
|
LastBlockID: factory.MakeBlockID(),
|
|
LastResultsHash: initialState.LastResultsHash,
|
|
},
|
|
}
|
|
blockStore.On("LoadBlockMeta", initialState.LastBlockHeight).Return(block)
|
|
blockStore.On("Height").Return(nextHeight)
|
|
|
|
// rollback the state
|
|
rollbackHeight, rollbackHash, err := state.Rollback(blockStore, stateStore)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, height, rollbackHeight)
|
|
require.EqualValues(t, initialState.AppHash, rollbackHash)
|
|
blockStore.AssertExpectations(t)
|
|
|
|
// assert that we've recovered the prior state
|
|
loadedState, err := stateStore.Load()
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, initialState, loadedState)
|
|
}
|
|
|
|
func TestRollbackNoState(t *testing.T) {
|
|
stateStore := state.NewStore(dbm.NewMemDB())
|
|
blockStore := &mocks.BlockStore{}
|
|
|
|
_, _, err := state.Rollback(blockStore, stateStore)
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "no state found")
|
|
}
|
|
|
|
func TestRollbackNoBlocks(t *testing.T) {
|
|
const height = int64(100)
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
stateStore := setupStateStore(ctx, t, height)
|
|
blockStore := &mocks.BlockStore{}
|
|
blockStore.On("Height").Return(height)
|
|
blockStore.On("LoadBlockMeta", height-1).Return(nil)
|
|
|
|
_, _, err := state.Rollback(blockStore, stateStore)
|
|
require.Error(t, err)
|
|
require.Contains(t, err.Error(), "block at height 99 not found")
|
|
}
|
|
|
|
func TestRollbackDifferentStateHeight(t *testing.T) {
|
|
const height = int64(100)
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
stateStore := setupStateStore(ctx, t, height)
|
|
blockStore := &mocks.BlockStore{}
|
|
blockStore.On("Height").Return(height + 2)
|
|
|
|
_, _, err := state.Rollback(blockStore, stateStore)
|
|
require.Error(t, err)
|
|
require.Equal(t, err.Error(), "statestore height (100) is not one below or equal to blockstore height (102)")
|
|
}
|
|
|
|
func setupStateStore(ctx context.Context, t *testing.T, height int64) state.Store {
|
|
stateStore := state.NewStore(dbm.NewMemDB())
|
|
valSet, _ := factory.RandValidatorSet(ctx, 5, 10)
|
|
|
|
params := types.DefaultConsensusParams()
|
|
params.Version.AppVersion = 10
|
|
|
|
initialState := state.State{
|
|
Version: state.Version{
|
|
Consensus: version.Consensus{
|
|
Block: version.BlockProtocol,
|
|
App: 10,
|
|
},
|
|
Software: version.TMVersion,
|
|
},
|
|
ChainID: factory.DefaultTestChainID,
|
|
InitialHeight: 10,
|
|
LastBlockID: factory.MakeBlockID(),
|
|
AppHash: factory.RandomHash(),
|
|
LastResultsHash: factory.RandomHash(),
|
|
LastBlockHeight: height,
|
|
LastValidators: valSet,
|
|
Validators: valSet.CopyIncrementProposerPriority(1),
|
|
NextValidators: valSet.CopyIncrementProposerPriority(2),
|
|
LastHeightValidatorsChanged: height + 1,
|
|
ConsensusParams: *params,
|
|
LastHeightConsensusParamsChanged: height + 1,
|
|
}
|
|
require.NoError(t, stateStore.Bootstrap(initialState))
|
|
return stateStore
|
|
}
|