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package kvstore
import (
"context"
"fmt"
"os"
"sort"
"testing"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/libs/log"
"github.com/tendermint/tendermint/libs/service"
abciclient "github.com/tendermint/tendermint/abci/client"
"github.com/tendermint/tendermint/abci/example/code"
abciserver "github.com/tendermint/tendermint/abci/server"
"github.com/tendermint/tendermint/abci/types"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
)
const (
testKey = "abc"
testValue = "def"
)
func testKVStore(t *testing.T, app types.Application, tx []byte, key, value string) {
req := types.RequestDeliverTx{Tx: tx}
ar := app.DeliverTx(req)
require.False(t, ar.IsErr(), ar)
// repeating tx doesn't raise error
ar = app.DeliverTx(req)
require.False(t, ar.IsErr(), ar)
// commit
app.Commit()
info := app.Info(types.RequestInfo{})
require.NotZero(t, info.LastBlockHeight)
// make sure query is fine
resQuery := app.Query(types.RequestQuery{
Path: "/store",
Data: []byte(key),
})
require.Equal(t, code.CodeTypeOK, resQuery.Code)
require.Equal(t, key, string(resQuery.Key))
require.Equal(t, value, string(resQuery.Value))
require.EqualValues(t, info.LastBlockHeight, resQuery.Height)
// make sure proof is fine
resQuery = app.Query(types.RequestQuery{
Path: "/store",
Data: []byte(key),
Prove: true,
})
require.EqualValues(t, code.CodeTypeOK, resQuery.Code)
require.Equal(t, key, string(resQuery.Key))
require.Equal(t, value, string(resQuery.Value))
require.EqualValues(t, info.LastBlockHeight, resQuery.Height)
}
func TestKVStoreKV(t *testing.T) {
kvstore := NewApplication()
key := testKey
value := key
tx := []byte(key)
testKVStore(t, kvstore, tx, key, value)
value = testValue
tx = []byte(key + "=" + value)
testKVStore(t, kvstore, tx, key, value)
}
func TestPersistentKVStoreKV(t *testing.T) {
dir, err := os.MkdirTemp("/tmp", "abci-kvstore-test") // TODO
if err != nil {
t.Fatal(err)
}
kvstore := NewPersistentKVStoreApplication(dir)
key := testKey
value := key
tx := []byte(key)
testKVStore(t, kvstore, tx, key, value)
value = testValue
tx = []byte(key + "=" + value)
testKVStore(t, kvstore, tx, key, value)
}
func TestPersistentKVStoreInfo(t *testing.T) {
dir, err := os.MkdirTemp("/tmp", "abci-kvstore-test") // TODO
if err != nil {
t.Fatal(err)
}
kvstore := NewPersistentKVStoreApplication(dir)
InitKVStore(kvstore)
height := int64(0)
resInfo := kvstore.Info(types.RequestInfo{})
if resInfo.LastBlockHeight != height {
t.Fatalf("expected height of %d, got %d", height, resInfo.LastBlockHeight)
}
// make and apply block
height = int64(1)
hash := []byte("foo")
header := tmproto.Header{
Height: height,
}
kvstore.BeginBlock(types.RequestBeginBlock{Hash: hash, Header: header})
kvstore.EndBlock(types.RequestEndBlock{Height: header.Height})
kvstore.Commit()
resInfo = kvstore.Info(types.RequestInfo{})
if resInfo.LastBlockHeight != height {
t.Fatalf("expected height of %d, got %d", height, resInfo.LastBlockHeight)
}
}
// add a validator, remove a validator, update a validator
func TestValUpdates(t *testing.T) {
dir, err := os.MkdirTemp("/tmp", "abci-kvstore-test") // TODO
if err != nil {
t.Fatal(err)
}
kvstore := NewPersistentKVStoreApplication(dir)
// init with some validators
total := 10
nInit := 5
vals := RandVals(total)
// initialize with the first nInit
kvstore.InitChain(types.RequestInitChain{
Validators: vals[:nInit],
})
vals1, vals2 := vals[:nInit], kvstore.Validators()
valsEqual(t, vals1, vals2)
var v1, v2, v3 types.ValidatorUpdate
// add some validators
v1, v2 = vals[nInit], vals[nInit+1]
diff := []types.ValidatorUpdate{v1, v2}
tx1 := MakeValSetChangeTx(v1.PubKey, v1.Power)
tx2 := MakeValSetChangeTx(v2.PubKey, v2.Power)
makeApplyBlock(t, kvstore, 1, diff, tx1, tx2)
vals1, vals2 = vals[:nInit+2], kvstore.Validators()
valsEqual(t, vals1, vals2)
// remove some validators
v1, v2, v3 = vals[nInit-2], vals[nInit-1], vals[nInit]
v1.Power = 0
v2.Power = 0
v3.Power = 0
diff = []types.ValidatorUpdate{v1, v2, v3}
tx1 = MakeValSetChangeTx(v1.PubKey, v1.Power)
tx2 = MakeValSetChangeTx(v2.PubKey, v2.Power)
tx3 := MakeValSetChangeTx(v3.PubKey, v3.Power)
makeApplyBlock(t, kvstore, 2, diff, tx1, tx2, tx3)
vals1 = append(vals[:nInit-2], vals[nInit+1]) // nolint: gocritic
vals2 = kvstore.Validators()
valsEqual(t, vals1, vals2)
// update some validators
v1 = vals[0]
if v1.Power == 5 {
v1.Power = 6
} else {
v1.Power = 5
}
diff = []types.ValidatorUpdate{v1}
tx1 = MakeValSetChangeTx(v1.PubKey, v1.Power)
makeApplyBlock(t, kvstore, 3, diff, tx1)
vals1 = append([]types.ValidatorUpdate{v1}, vals1[1:]...)
vals2 = kvstore.Validators()
valsEqual(t, vals1, vals2)
}
func makeApplyBlock(
t *testing.T,
kvstore types.Application,
heightInt int,
diff []types.ValidatorUpdate,
txs ...[]byte) {
// make and apply block
height := int64(heightInt)
hash := []byte("foo")
header := tmproto.Header{
Height: height,
}
kvstore.BeginBlock(types.RequestBeginBlock{Hash: hash, Header: header})
for _, tx := range txs {
if r := kvstore.DeliverTx(types.RequestDeliverTx{Tx: tx}); r.IsErr() {
t.Fatal(r)
}
}
resEndBlock := kvstore.EndBlock(types.RequestEndBlock{Height: header.Height})
kvstore.Commit()
valsEqual(t, diff, resEndBlock.ValidatorUpdates)
}
// order doesn't matter
func valsEqual(t *testing.T, vals1, vals2 []types.ValidatorUpdate) {
if len(vals1) != len(vals2) {
t.Fatalf("vals dont match in len. got %d, expected %d", len(vals2), len(vals1))
}
sort.Sort(types.ValidatorUpdates(vals1))
sort.Sort(types.ValidatorUpdates(vals2))
for i, v1 := range vals1 {
v2 := vals2[i]
if !v1.PubKey.Equal(v2.PubKey) ||
v1.Power != v2.Power {
t.Fatalf("vals dont match at index %d. got %X/%d , expected %X/%d", i, v2.PubKey, v2.Power, v1.PubKey, v1.Power)
}
}
}
func makeSocketClientServer(
ctx context.Context,
t *testing.T,
logger log.Logger,
app types.Application,
name string,
) (abciclient.Client, service.Service, error) {
ctx, cancel := context.WithCancel(ctx)
t.Cleanup(cancel)
// Start the listener
socket := fmt.Sprintf("unix://%s.sock", name)
server := abciserver.NewSocketServer(logger.With("module", "abci-server"), socket, app)
if err := server.Start(ctx); err != nil {
cancel()
return nil, nil, err
}
// Connect to the socket
client := abciclient.NewSocketClient(logger.With("module", "abci-client"), socket, false)
if err := client.Start(ctx); err != nil {
cancel()
return nil, nil, err
}
return client, server, nil
}
func makeGRPCClientServer(
ctx context.Context,
t *testing.T,
logger log.Logger,
app types.Application,
name string,
) (abciclient.Client, service.Service, error) {
ctx, cancel := context.WithCancel(ctx)
t.Cleanup(cancel)
// Start the listener
socket := fmt.Sprintf("unix://%s.sock", name)
gapp := types.NewGRPCApplication(app)
server := abciserver.NewGRPCServer(logger.With("module", "abci-server"), socket, gapp)
if err := server.Start(ctx); err != nil {
cancel()
return nil, nil, err
}
client := abciclient.NewGRPCClient(logger.With("module", "abci-client"), socket, true)
if err := client.Start(ctx); err != nil {
cancel()
return nil, nil, err
}
return client, server, nil
}
func TestClientServer(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
logger := log.TestingLogger()
// set up socket app
kvstore := NewApplication()
client, server, err := makeSocketClientServer(ctx, t, logger, kvstore, "kvstore-socket")
require.NoError(t, err)
t.Cleanup(func() { cancel(); server.Wait() })
t.Cleanup(func() { cancel(); client.Wait() })
runClientTests(ctx, t, client)
// set up grpc app
kvstore = NewApplication()
gclient, gserver, err := makeGRPCClientServer(ctx, t, logger, kvstore, "/tmp/kvstore-grpc")
require.NoError(t, err)
t.Cleanup(func() { cancel(); gserver.Wait() })
t.Cleanup(func() { cancel(); gclient.Wait() })
runClientTests(ctx, t, gclient)
}
func runClientTests(ctx context.Context, t *testing.T, client abciclient.Client) {
// run some tests....
key := testKey
value := key
tx := []byte(key)
testClient(ctx, t, client, tx, key, value)
value = testValue
tx = []byte(key + "=" + value)
testClient(ctx, t, client, tx, key, value)
}
func testClient(ctx context.Context, t *testing.T, app abciclient.Client, tx []byte, key, value string) {
ar, err := app.DeliverTxSync(ctx, types.RequestDeliverTx{Tx: tx})
require.NoError(t, err)
require.False(t, ar.IsErr(), ar)
// repeating tx doesn't raise error
ar, err = app.DeliverTxSync(ctx, types.RequestDeliverTx{Tx: tx})
require.NoError(t, err)
require.False(t, ar.IsErr(), ar)
// commit
_, err = app.CommitSync(ctx)
require.NoError(t, err)
info, err := app.InfoSync(ctx, types.RequestInfo{})
require.NoError(t, err)
require.NotZero(t, info.LastBlockHeight)
// make sure query is fine
resQuery, err := app.QuerySync(ctx, types.RequestQuery{
Path: "/store",
Data: []byte(key),
})
require.Nil(t, err)
require.Equal(t, code.CodeTypeOK, resQuery.Code)
require.Equal(t, key, string(resQuery.Key))
require.Equal(t, value, string(resQuery.Value))
require.EqualValues(t, info.LastBlockHeight, resQuery.Height)
// make sure proof is fine
resQuery, err = app.QuerySync(ctx, types.RequestQuery{
Path: "/store",
Data: []byte(key),
Prove: true,
})
require.Nil(t, err)
require.Equal(t, code.CodeTypeOK, resQuery.Code)
require.Equal(t, key, string(resQuery.Key))
require.Equal(t, value, string(resQuery.Value))
require.EqualValues(t, info.LastBlockHeight, resQuery.Height)
}