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package db
import (
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
dbm "github.com/tendermint/tm-db"
"github.com/tendermint/tendermint/crypto"
"github.com/tendermint/tendermint/crypto/tmhash"
tmrand "github.com/tendermint/tendermint/libs/rand"
tmversion "github.com/tendermint/tendermint/proto/tendermint/version"
"github.com/tendermint/tendermint/types"
"github.com/tendermint/tendermint/version"
)
func TestLast_FirstLightBlockHeight(t *testing.T) {
dbStore := New(dbm.NewMemDB(), "TestLast_FirstLightBlockHeight")
// Empty store
height, err := dbStore.LastLightBlockHeight()
require.NoError(t, err)
assert.EqualValues(t, -1, height)
height, err = dbStore.FirstLightBlockHeight()
require.NoError(t, err)
assert.EqualValues(t, -1, height)
// 1 key
err = dbStore.SaveLightBlock(randLightBlock(int64(1)))
require.NoError(t, err)
height, err = dbStore.LastLightBlockHeight()
require.NoError(t, err)
assert.EqualValues(t, 1, height)
height, err = dbStore.FirstLightBlockHeight()
require.NoError(t, err)
assert.EqualValues(t, 1, height)
}
func Test_SaveLightBlock(t *testing.T) {
dbStore := New(dbm.NewMemDB(), "Test_SaveLightBlockAndValidatorSet")
// Empty store
h, err := dbStore.LightBlock(1)
require.Error(t, err)
assert.Nil(t, h)
// 1 key
err = dbStore.SaveLightBlock(randLightBlock(1))
require.NoError(t, err)
size := dbStore.Size()
assert.Equal(t, uint16(1), size)
t.Log(size)
h, err = dbStore.LightBlock(1)
require.NoError(t, err)
assert.NotNil(t, h)
// Empty store
err = dbStore.DeleteLightBlock(1)
require.NoError(t, err)
h, err = dbStore.LightBlock(1)
require.Error(t, err)
assert.Nil(t, h)
}
func Test_LightBlockBefore(t *testing.T) {
dbStore := New(dbm.NewMemDB(), "Test_LightBlockBefore")
assert.Panics(t, func() {
_, _ = dbStore.LightBlockBefore(0)
_, _ = dbStore.LightBlockBefore(100)
})
err := dbStore.SaveLightBlock(randLightBlock(int64(2)))
require.NoError(t, err)
h, err := dbStore.LightBlockBefore(3)
require.NoError(t, err)
if assert.NotNil(t, h) {
assert.EqualValues(t, 2, h.Height)
}
}
func Test_Prune(t *testing.T) {
dbStore := New(dbm.NewMemDB(), "Test_Prune")
// Empty store
assert.EqualValues(t, 0, dbStore.Size())
err := dbStore.Prune(0)
require.NoError(t, err)
// One header
err = dbStore.SaveLightBlock(randLightBlock(2))
require.NoError(t, err)
assert.EqualValues(t, 1, dbStore.Size())
err = dbStore.Prune(1)
require.NoError(t, err)
assert.EqualValues(t, 1, dbStore.Size())
err = dbStore.Prune(0)
require.NoError(t, err)
assert.EqualValues(t, 0, dbStore.Size())
// Multiple headers
for i := 1; i <= 10; i++ {
err = dbStore.SaveLightBlock(randLightBlock(int64(i)))
require.NoError(t, err)
}
err = dbStore.Prune(11)
require.NoError(t, err)
assert.EqualValues(t, 10, dbStore.Size())
err = dbStore.Prune(7)
require.NoError(t, err)
assert.EqualValues(t, 7, dbStore.Size())
}
func Test_Concurrency(t *testing.T) {
dbStore := New(dbm.NewMemDB(), "Test_Prune")
var wg sync.WaitGroup
for i := 1; i <= 100; i++ {
wg.Add(1)
go func(i int64) {
defer wg.Done()
err := dbStore.SaveLightBlock(randLightBlock(i))
require.NoError(t, err)
_, err = dbStore.LightBlock(i)
if err != nil {
t.Log(err)
}
_, err = dbStore.LastLightBlockHeight()
if err != nil {
t.Log(err)
}
_, err = dbStore.FirstLightBlockHeight()
if err != nil {
t.Log(err)
}
err = dbStore.Prune(2)
if err != nil {
t.Log(err)
}
_ = dbStore.Size()
err = dbStore.DeleteLightBlock(1)
if err != nil {
t.Log(err)
}
}(int64(i))
}
wg.Wait()
}
func randLightBlock(height int64) *types.LightBlock {
vals, _ := types.RandValidatorSet(2, 1)
return &types.LightBlock{
SignedHeader: &types.SignedHeader{
Header: &types.Header{
Version: tmversion.Consensus{Block: version.BlockProtocol, App: 0},
ChainID: tmrand.Str(12),
Height: height,
Time: time.Now(),
LastBlockID: types.BlockID{},
LastCommitHash: crypto.CRandBytes(tmhash.Size),
DataHash: crypto.CRandBytes(tmhash.Size),
ValidatorsHash: crypto.CRandBytes(tmhash.Size),
NextValidatorsHash: crypto.CRandBytes(tmhash.Size),
ConsensusHash: crypto.CRandBytes(tmhash.Size),
AppHash: crypto.CRandBytes(tmhash.Size),
LastResultsHash: crypto.CRandBytes(tmhash.Size),
EvidenceHash: crypto.CRandBytes(tmhash.Size),
ProposerAddress: crypto.CRandBytes(crypto.AddressSize),
},
Commit: &types.Commit{},
},
ValidatorSet: vals,
}
}