package client_test import ( "context" "fmt" "math" "net/http" "strings" "sync" "testing" "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" abci "github.com/tendermint/tendermint/abci/types" "github.com/tendermint/tendermint/libs/log" tmmath "github.com/tendermint/tendermint/libs/math" mempl "github.com/tendermint/tendermint/mempool" "github.com/tendermint/tendermint/rpc/client" rpchttp "github.com/tendermint/tendermint/rpc/client/http" rpclocal "github.com/tendermint/tendermint/rpc/client/local" ctypes "github.com/tendermint/tendermint/rpc/core/types" rpcclient "github.com/tendermint/tendermint/rpc/jsonrpc/client" rpctest "github.com/tendermint/tendermint/rpc/test" "github.com/tendermint/tendermint/types" ) var ( ctx = context.Background() ) func getHTTPClient() *rpchttp.HTTP { rpcAddr := rpctest.GetConfig().RPC.ListenAddress c, err := rpchttp.New(rpcAddr) if err != nil { panic(err) } c.SetLogger(log.TestingLogger()) return c } func getHTTPClientWithTimeout(timeout time.Duration) *rpchttp.HTTP { rpcAddr := rpctest.GetConfig().RPC.ListenAddress c, err := rpchttp.NewWithTimeout(rpcAddr, timeout) if err != nil { panic(err) } c.SetLogger(log.TestingLogger()) return c } func getLocalClient() *rpclocal.Local { return rpclocal.New(node) } // GetClients returns a slice of clients for table-driven tests func GetClients() []client.Client { return []client.Client{ getHTTPClient(), getLocalClient(), } } func TestNilCustomHTTPClient(t *testing.T) { require.Panics(t, func() { _, _ = rpchttp.NewWithClient("http://example.com", nil) }) require.Panics(t, func() { _, _ = rpcclient.NewWithHTTPClient("http://example.com", nil) }) } func TestCustomHTTPClient(t *testing.T) { remote := rpctest.GetConfig().RPC.ListenAddress c, err := rpchttp.NewWithClient(remote, http.DefaultClient) require.Nil(t, err) status, err := c.Status(context.Background()) require.NoError(t, err) require.NotNil(t, status) } func TestCorsEnabled(t *testing.T) { origin := rpctest.GetConfig().RPC.CORSAllowedOrigins[0] remote := strings.ReplaceAll(rpctest.GetConfig().RPC.ListenAddress, "tcp", "http") req, err := http.NewRequest("GET", remote, nil) require.Nil(t, err, "%+v", err) req.Header.Set("Origin", origin) c := &http.Client{} resp, err := c.Do(req) require.Nil(t, err, "%+v", err) defer resp.Body.Close() assert.Equal(t, resp.Header.Get("Access-Control-Allow-Origin"), origin) } // Make sure status is correct (we connect properly) func TestStatus(t *testing.T) { for i, c := range GetClients() { moniker := rpctest.GetConfig().Moniker status, err := c.Status(context.Background()) require.Nil(t, err, "%d: %+v", i, err) assert.Equal(t, moniker, status.NodeInfo.Moniker) } } // Make sure info is correct (we connect properly) func TestInfo(t *testing.T) { for i, c := range GetClients() { // status, err := c.Status() // require.Nil(t, err, "%+v", err) info, err := c.ABCIInfo(context.Background()) require.Nil(t, err, "%d: %+v", i, err) // TODO: this is not correct - fix merkleeyes! // assert.EqualValues(t, status.SyncInfo.LatestBlockHeight, info.Response.LastBlockHeight) assert.True(t, strings.Contains(info.Response.Data, "size")) } } func TestNetInfo(t *testing.T) { for i, c := range GetClients() { nc, ok := c.(client.NetworkClient) require.True(t, ok, "%d", i) netinfo, err := nc.NetInfo(context.Background()) require.Nil(t, err, "%d: %+v", i, err) assert.True(t, netinfo.Listening) assert.Equal(t, 0, len(netinfo.Peers)) } } func TestDumpConsensusState(t *testing.T) { for i, c := range GetClients() { // FIXME: fix server so it doesn't panic on invalid input nc, ok := c.(client.NetworkClient) require.True(t, ok, "%d", i) cons, err := nc.DumpConsensusState(context.Background()) require.Nil(t, err, "%d: %+v", i, err) assert.NotEmpty(t, cons.RoundState) assert.Empty(t, cons.Peers) } } func TestConsensusState(t *testing.T) { for i, c := range GetClients() { // FIXME: fix server so it doesn't panic on invalid input nc, ok := c.(client.NetworkClient) require.True(t, ok, "%d", i) cons, err := nc.ConsensusState(context.Background()) require.Nil(t, err, "%d: %+v", i, err) assert.NotEmpty(t, cons.RoundState) } } func TestHealth(t *testing.T) { for i, c := range GetClients() { nc, ok := c.(client.NetworkClient) require.True(t, ok, "%d", i) _, err := nc.Health(context.Background()) require.Nil(t, err, "%d: %+v", i, err) } } func TestGenesisAndValidators(t *testing.T) { for i, c := range GetClients() { // make sure this is the right genesis file gen, err := c.Genesis(context.Background()) require.Nil(t, err, "%d: %+v", i, err) // get the genesis validator require.Equal(t, 1, len(gen.Genesis.Validators)) gval := gen.Genesis.Validators[0] // get the current validators h := int64(1) vals, err := c.Validators(context.Background(), &h, nil, nil) require.Nil(t, err, "%d: %+v", i, err) require.Equal(t, 1, len(vals.Validators)) require.Equal(t, 1, vals.Count) require.Equal(t, 1, vals.Total) val := vals.Validators[0] // make sure the current set is also the genesis set assert.Equal(t, gval.Power, val.VotingPower) assert.Equal(t, gval.PubKey, val.PubKey) } } func TestABCIQuery(t *testing.T) { for i, c := range GetClients() { // write something k, v, tx := MakeTxKV() bres, err := c.BroadcastTxCommit(context.Background(), tx) require.Nil(t, err, "%d: %+v", i, err) apph := bres.Height + 1 // this is where the tx will be applied to the state // wait before querying err = client.WaitForHeight(c, apph, nil) require.NoError(t, err) res, err := c.ABCIQuery(context.Background(), "/key", k) qres := res.Response if assert.Nil(t, err) && assert.True(t, qres.IsOK()) { assert.EqualValues(t, v, qres.Value) } } } // Make some app checks func TestAppCalls(t *testing.T) { assert, require := assert.New(t), require.New(t) for i, c := range GetClients() { // get an offset of height to avoid racing and guessing s, err := c.Status(context.Background()) require.NoError(err) // sh is start height or status height sh := s.SyncInfo.LatestBlockHeight // look for the future h := sh + 20 _, err = c.Block(context.Background(), &h) require.Error(err) // no block yet // write something k, v, tx := MakeTxKV() bres, err := c.BroadcastTxCommit(context.Background(), tx) require.NoError(err) require.True(bres.DeliverTx.IsOK()) txh := bres.Height apph := txh + 1 // this is where the tx will be applied to the state // wait before querying err = client.WaitForHeight(c, apph, nil) require.NoError(err) _qres, err := c.ABCIQueryWithOptions(context.Background(), "/key", k, client.ABCIQueryOptions{Prove: false}) require.NoError(err) qres := _qres.Response if assert.True(qres.IsOK()) { assert.Equal(k, qres.Key) assert.EqualValues(v, qres.Value) } // make sure we can lookup the tx with proof ptx, err := c.Tx(context.Background(), bres.Hash, true) require.NoError(err) assert.EqualValues(txh, ptx.Height) assert.EqualValues(tx, ptx.Tx) // and we can even check the block is added block, err := c.Block(context.Background(), &apph) require.NoError(err) appHash := block.Block.Header.AppHash assert.True(len(appHash) > 0) assert.EqualValues(apph, block.Block.Header.Height) blockByHash, err := c.BlockByHash(context.Background(), block.BlockID.Hash) require.NoError(err) require.Equal(block, blockByHash) // now check the results blockResults, err := c.BlockResults(context.Background(), &txh) require.Nil(err, "%d: %+v", i, err) assert.Equal(txh, blockResults.Height) if assert.Equal(1, len(blockResults.TxsResults)) { // check success code assert.EqualValues(0, blockResults.TxsResults[0].Code) } // check blockchain info, now that we know there is info info, err := c.BlockchainInfo(context.Background(), apph, apph) require.NoError(err) assert.True(info.LastHeight >= apph) if assert.Equal(1, len(info.BlockMetas)) { lastMeta := info.BlockMetas[0] assert.EqualValues(apph, lastMeta.Header.Height) blockData := block.Block assert.Equal(blockData.Header.AppHash, lastMeta.Header.AppHash) assert.Equal(block.BlockID, lastMeta.BlockID) } // and get the corresponding commit with the same apphash commit, err := c.Commit(context.Background(), &apph) require.NoError(err) cappHash := commit.Header.AppHash assert.Equal(appHash, cappHash) assert.NotNil(commit.Commit) // compare the commits (note Commit(2) has commit from Block(3)) h = apph - 1 commit2, err := c.Commit(context.Background(), &h) require.NoError(err) assert.Equal(block.Block.LastCommitHash, commit2.Commit.Hash()) // and we got a proof that works! _pres, err := c.ABCIQueryWithOptions(context.Background(), "/key", k, client.ABCIQueryOptions{Prove: true}) require.NoError(err) pres := _pres.Response assert.True(pres.IsOK()) // XXX Test proof } } func TestBlockchainInfo(t *testing.T) { for i, c := range GetClients() { err := client.WaitForHeight(c, 10, nil) require.NoError(t, err) res, err := c.BlockchainInfo(context.Background(), 0, 0) require.Nil(t, err, "%d: %+v", i, err) assert.True(t, res.LastHeight > 0) assert.True(t, len(res.BlockMetas) > 0) res, err = c.BlockchainInfo(context.Background(), 1, 1) require.Nil(t, err, "%d: %+v", i, err) assert.True(t, res.LastHeight > 0) assert.True(t, len(res.BlockMetas) == 1) res, err = c.BlockchainInfo(context.Background(), 1, 10000) require.Nil(t, err, "%d: %+v", i, err) assert.True(t, res.LastHeight > 0) assert.True(t, len(res.BlockMetas) < 100) for _, m := range res.BlockMetas { assert.NotNil(t, m) } res, err = c.BlockchainInfo(context.Background(), 10000, 1) require.NotNil(t, err) assert.Nil(t, res) assert.Contains(t, err.Error(), "can't be greater than max") } } func TestBroadcastTxSync(t *testing.T) { require := require.New(t) // TODO (melekes): use mempool which is set on RPC rather than getting it from node mempool := node.Mempool() initMempoolSize := mempool.Size() for i, c := range GetClients() { _, _, tx := MakeTxKV() bres, err := c.BroadcastTxSync(context.Background(), tx) require.Nil(err, "%d: %+v", i, err) require.Equal(bres.Code, abci.CodeTypeOK) // FIXME require.Equal(initMempoolSize+1, mempool.Size()) txs := mempool.ReapMaxTxs(len(tx)) require.EqualValues(tx, txs[0]) mempool.Flush() } } func TestBroadcastTxCommit(t *testing.T) { require := require.New(t) mempool := node.Mempool() for i, c := range GetClients() { _, _, tx := MakeTxKV() bres, err := c.BroadcastTxCommit(context.Background(), tx) require.Nil(err, "%d: %+v", i, err) require.True(bres.CheckTx.IsOK()) require.True(bres.DeliverTx.IsOK()) require.Equal(0, mempool.Size()) } } func TestUnconfirmedTxs(t *testing.T) { _, _, tx := MakeTxKV() ch := make(chan *abci.Response, 1) mempool := node.Mempool() err := mempool.CheckTx(tx, func(resp *abci.Response) { ch <- resp }, mempl.TxInfo{}) require.NoError(t, err) // wait for tx to arrive in mempoool. select { case <-ch: case <-time.After(5 * time.Second): t.Error("Timed out waiting for CheckTx callback") } for _, c := range GetClients() { mc := c.(client.MempoolClient) limit := 1 res, err := mc.UnconfirmedTxs(context.Background(), &limit) require.NoError(t, err) assert.Equal(t, 1, res.Count) assert.Equal(t, 1, res.Total) assert.Equal(t, mempool.TxsBytes(), res.TotalBytes) assert.Exactly(t, types.Txs{tx}, types.Txs(res.Txs)) } mempool.Flush() } func TestNumUnconfirmedTxs(t *testing.T) { _, _, tx := MakeTxKV() ch := make(chan *abci.Response, 1) mempool := node.Mempool() err := mempool.CheckTx(tx, func(resp *abci.Response) { ch <- resp }, mempl.TxInfo{}) require.NoError(t, err) // wait for tx to arrive in mempoool. select { case <-ch: case <-time.After(5 * time.Second): t.Error("Timed out waiting for CheckTx callback") } mempoolSize := mempool.Size() for i, c := range GetClients() { mc, ok := c.(client.MempoolClient) require.True(t, ok, "%d", i) res, err := mc.NumUnconfirmedTxs(context.Background()) require.Nil(t, err, "%d: %+v", i, err) assert.Equal(t, mempoolSize, res.Count) assert.Equal(t, mempoolSize, res.Total) assert.Equal(t, mempool.TxsBytes(), res.TotalBytes) } mempool.Flush() } func TestCheckTx(t *testing.T) { mempool := node.Mempool() for _, c := range GetClients() { _, _, tx := MakeTxKV() res, err := c.CheckTx(context.Background(), tx) require.NoError(t, err) assert.Equal(t, abci.CodeTypeOK, res.Code) assert.Equal(t, 0, mempool.Size(), "mempool must be empty") } } func TestTx(t *testing.T) { // first we broadcast a tx c := getHTTPClient() _, _, tx := MakeTxKV() bres, err := c.BroadcastTxCommit(context.Background(), tx) require.Nil(t, err, "%+v", err) txHeight := bres.Height txHash := bres.Hash anotherTxHash := types.Tx("a different tx").Hash() cases := []struct { valid bool prove bool hash []byte }{ // only valid if correct hash provided {true, false, txHash}, {true, true, txHash}, {false, false, anotherTxHash}, {false, true, anotherTxHash}, {false, false, nil}, {false, true, nil}, } for i, c := range GetClients() { for j, tc := range cases { t.Logf("client %d, case %d", i, j) // now we query for the tx. // since there's only one tx, we know index=0. ptx, err := c.Tx(context.Background(), tc.hash, tc.prove) if !tc.valid { require.NotNil(t, err) } else { require.Nil(t, err, "%+v", err) assert.EqualValues(t, txHeight, ptx.Height) assert.EqualValues(t, tx, ptx.Tx) assert.Zero(t, ptx.Index) assert.True(t, ptx.TxResult.IsOK()) assert.EqualValues(t, txHash, ptx.Hash) // time to verify the proof proof := ptx.Proof if tc.prove && assert.EqualValues(t, tx, proof.Data) { assert.NoError(t, proof.Proof.Verify(proof.RootHash, txHash)) } } } } } func TestTxSearchWithTimeout(t *testing.T) { timeoutClient := getHTTPClientWithTimeout(10 * time.Second) _, _, tx := MakeTxKV() _, err := timeoutClient.BroadcastTxCommit(context.Background(), tx) require.NoError(t, err) // query using a compositeKey (see kvstore application) result, err := timeoutClient.TxSearch(context.Background(), "app.creator='Cosmoshi Netowoko'", false, nil, nil, "asc") require.Nil(t, err) require.Greater(t, len(result.Txs), 0, "expected a lot of transactions") } func TestTxSearch(t *testing.T) { c := getHTTPClient() // first we broadcast a few txs for i := 0; i < 10; i++ { _, _, tx := MakeTxKV() _, err := c.BroadcastTxCommit(context.Background(), tx) require.NoError(t, err) } // since we're not using an isolated test server, we'll have lingering transactions // from other tests as well result, err := c.TxSearch(context.Background(), "tx.height >= 0", true, nil, nil, "asc") require.NoError(t, err) txCount := len(result.Txs) // pick out the last tx to have something to search for in tests find := result.Txs[len(result.Txs)-1] anotherTxHash := types.Tx("a different tx").Hash() for i, c := range GetClients() { t.Logf("client %d", i) // now we query for the tx. result, err := c.TxSearch(context.Background(), fmt.Sprintf("tx.hash='%v'", find.Hash), true, nil, nil, "asc") require.Nil(t, err) require.Len(t, result.Txs, 1) require.Equal(t, find.Hash, result.Txs[0].Hash) ptx := result.Txs[0] assert.EqualValues(t, find.Height, ptx.Height) assert.EqualValues(t, find.Tx, ptx.Tx) assert.Zero(t, ptx.Index) assert.True(t, ptx.TxResult.IsOK()) assert.EqualValues(t, find.Hash, ptx.Hash) // time to verify the proof if assert.EqualValues(t, find.Tx, ptx.Proof.Data) { assert.NoError(t, ptx.Proof.Proof.Verify(ptx.Proof.RootHash, find.Hash)) } // query by height result, err = c.TxSearch(context.Background(), fmt.Sprintf("tx.height=%d", find.Height), true, nil, nil, "asc") require.Nil(t, err) require.Len(t, result.Txs, 1) // query for non existing tx result, err = c.TxSearch(context.Background(), fmt.Sprintf("tx.hash='%X'", anotherTxHash), false, nil, nil, "asc") require.Nil(t, err) require.Len(t, result.Txs, 0) // query using a compositeKey (see kvstore application) result, err = c.TxSearch(context.Background(), "app.creator='Cosmoshi Netowoko'", false, nil, nil, "asc") require.Nil(t, err) require.Greater(t, len(result.Txs), 0, "expected a lot of transactions") // query using an index key result, err = c.TxSearch(context.Background(), "app.index_key='index is working'", false, nil, nil, "asc") require.Nil(t, err) require.Greater(t, len(result.Txs), 0, "expected a lot of transactions") // query using an noindex key result, err = c.TxSearch(context.Background(), "app.noindex_key='index is working'", false, nil, nil, "asc") require.Nil(t, err) require.Equal(t, len(result.Txs), 0, "expected a lot of transactions") // query using a compositeKey (see kvstore application) and height result, err = c.TxSearch(context.Background(), "app.creator='Cosmoshi Netowoko' AND tx.height<10000", true, nil, nil, "asc") require.Nil(t, err) require.Greater(t, len(result.Txs), 0, "expected a lot of transactions") // query a non existing tx with page 1 and txsPerPage 1 perPage := 1 result, err = c.TxSearch(context.Background(), "app.creator='Cosmoshi Neetowoko'", true, nil, &perPage, "asc") require.Nil(t, err) require.Len(t, result.Txs, 0) // check sorting result, err = c.TxSearch(context.Background(), "tx.height >= 1", false, nil, nil, "asc") require.Nil(t, err) for k := 0; k < len(result.Txs)-1; k++ { require.LessOrEqual(t, result.Txs[k].Height, result.Txs[k+1].Height) require.LessOrEqual(t, result.Txs[k].Index, result.Txs[k+1].Index) } result, err = c.TxSearch(context.Background(), "tx.height >= 1", false, nil, nil, "desc") require.Nil(t, err) for k := 0; k < len(result.Txs)-1; k++ { require.GreaterOrEqual(t, result.Txs[k].Height, result.Txs[k+1].Height) require.GreaterOrEqual(t, result.Txs[k].Index, result.Txs[k+1].Index) } // check pagination perPage = 3 var ( seen = map[int64]bool{} maxHeight int64 pages = int(math.Ceil(float64(txCount) / float64(perPage))) ) for page := 1; page <= pages; page++ { page := page result, err := c.TxSearch(context.Background(), "tx.height >= 1", false, &page, &perPage, "asc") require.NoError(t, err) if page < pages { require.Len(t, result.Txs, perPage) } else { require.LessOrEqual(t, len(result.Txs), perPage) } require.Equal(t, txCount, result.TotalCount) for _, tx := range result.Txs { require.False(t, seen[tx.Height], "Found duplicate height %v in page %v", tx.Height, page) require.Greater(t, tx.Height, maxHeight, "Found decreasing height %v (max seen %v) in page %v", tx.Height, maxHeight, page) seen[tx.Height] = true maxHeight = tx.Height } } require.Len(t, seen, txCount) } } func TestBatchedJSONRPCCalls(t *testing.T) { c := getHTTPClient() testBatchedJSONRPCCalls(t, c) } func testBatchedJSONRPCCalls(t *testing.T, c *rpchttp.HTTP) { k1, v1, tx1 := MakeTxKV() k2, v2, tx2 := MakeTxKV() batch := c.NewBatch() r1, err := batch.BroadcastTxCommit(context.Background(), tx1) require.NoError(t, err) r2, err := batch.BroadcastTxCommit(context.Background(), tx2) require.NoError(t, err) require.Equal(t, 2, batch.Count()) bresults, err := batch.Send(ctx) require.NoError(t, err) require.Len(t, bresults, 2) require.Equal(t, 0, batch.Count()) bresult1, ok := bresults[0].(*ctypes.ResultBroadcastTxCommit) require.True(t, ok) require.Equal(t, *bresult1, *r1) bresult2, ok := bresults[1].(*ctypes.ResultBroadcastTxCommit) require.True(t, ok) require.Equal(t, *bresult2, *r2) apph := tmmath.MaxInt64(bresult1.Height, bresult2.Height) + 1 err = client.WaitForHeight(c, apph, nil) require.NoError(t, err) q1, err := batch.ABCIQuery(context.Background(), "/key", k1) require.NoError(t, err) q2, err := batch.ABCIQuery(context.Background(), "/key", k2) require.NoError(t, err) require.Equal(t, 2, batch.Count()) qresults, err := batch.Send(ctx) require.NoError(t, err) require.Len(t, qresults, 2) require.Equal(t, 0, batch.Count()) qresult1, ok := qresults[0].(*ctypes.ResultABCIQuery) require.True(t, ok) require.Equal(t, *qresult1, *q1) qresult2, ok := qresults[1].(*ctypes.ResultABCIQuery) require.True(t, ok) require.Equal(t, *qresult2, *q2) require.Equal(t, qresult1.Response.Key, k1) require.Equal(t, qresult2.Response.Key, k2) require.Equal(t, qresult1.Response.Value, v1) require.Equal(t, qresult2.Response.Value, v2) } func TestBatchedJSONRPCCallsCancellation(t *testing.T) { c := getHTTPClient() _, _, tx1 := MakeTxKV() _, _, tx2 := MakeTxKV() batch := c.NewBatch() _, err := batch.BroadcastTxCommit(context.Background(), tx1) require.NoError(t, err) _, err = batch.BroadcastTxCommit(context.Background(), tx2) require.NoError(t, err) // we should have 2 requests waiting require.Equal(t, 2, batch.Count()) // we want to make sure we cleared 2 pending requests require.Equal(t, 2, batch.Clear()) // now there should be no batched requests require.Equal(t, 0, batch.Count()) } func TestSendingEmptyRequestBatch(t *testing.T) { c := getHTTPClient() batch := c.NewBatch() _, err := batch.Send(ctx) require.Error(t, err, "sending an empty batch of JSON RPC requests should result in an error") } func TestClearingEmptyRequestBatch(t *testing.T) { c := getHTTPClient() batch := c.NewBatch() require.Zero(t, batch.Clear(), "clearing an empty batch of JSON RPC requests should result in a 0 result") } func TestConcurrentJSONRPCBatching(t *testing.T) { var wg sync.WaitGroup c := getHTTPClient() for i := 0; i < 50; i++ { wg.Add(1) go func() { defer wg.Done() testBatchedJSONRPCCalls(t, c) }() } wg.Wait() }