package client import ( "context" "net/http" "net/http/httptest" "strings" "testing" "time" "github.com/gorilla/websocket" "github.com/nspcc-dev/neo-go/pkg/config/netmode" "github.com/nspcc-dev/neo-go/pkg/rpc/request" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/stretchr/testify/require" ) func TestWSClientClose(t *testing.T) { srv := initTestServer(t, "") defer srv.Close() wsc, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{Network: netmode.UnitTestNet}) require.NoError(t, err) wsc.Close() } func TestWSClientSubscription(t *testing.T) { var cases = map[string]func(*WSClient) (string, error){ "blocks": func(wsc *WSClient) (string, error) { return wsc.SubscribeForNewBlocks(nil) }, "transactions": func(wsc *WSClient) (string, error) { return wsc.SubscribeForNewTransactions(nil, nil) }, "notifications": func(wsc *WSClient) (string, error) { return wsc.SubscribeForExecutionNotifications(nil) }, "executions": func(wsc *WSClient) (string, error) { return wsc.SubscribeForTransactionExecutions(nil) }, } t.Run("good", func(t *testing.T) { for name, f := range cases { t.Run(name, func(t *testing.T) { srv := initTestServer(t, `{"jsonrpc": "2.0", "id": 1, "result": "55aaff00"}`) defer srv.Close() wsc, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{Network: netmode.UnitTestNet}) require.NoError(t, err) id, err := f(wsc) require.NoError(t, err) require.Equal(t, "55aaff00", id) }) } }) t.Run("bad", func(t *testing.T) { for name, f := range cases { t.Run(name, func(t *testing.T) { srv := initTestServer(t, `{"jsonrpc": "2.0", "id": 1, "error":{"code":-32602,"message":"Invalid Params"}}`) defer srv.Close() wsc, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{Network: netmode.UnitTestNet}) require.NoError(t, err) _, err = f(wsc) require.Error(t, err) }) } }) } func TestWSClientUnsubscription(t *testing.T) { type responseCheck struct { response string code func(*testing.T, *WSClient) } var cases = map[string]responseCheck{ "good": {`{"jsonrpc": "2.0", "id": 1, "result": true}`, func(t *testing.T, wsc *WSClient) { // We can't really subscribe using this stub server, so set up wsc internals. wsc.subscriptions["0"] = true err := wsc.Unsubscribe("0") require.NoError(t, err) }}, "all": {`{"jsonrpc": "2.0", "id": 1, "result": true}`, func(t *testing.T, wsc *WSClient) { // We can't really subscribe using this stub server, so set up wsc internals. wsc.subscriptions["0"] = true err := wsc.UnsubscribeAll() require.NoError(t, err) require.Equal(t, 0, len(wsc.subscriptions)) }}, "not subscribed": {`{"jsonrpc": "2.0", "id": 1, "result": true}`, func(t *testing.T, wsc *WSClient) { err := wsc.Unsubscribe("0") require.Error(t, err) }}, "error returned": {`{"jsonrpc": "2.0", "id": 1, "error":{"code":-32602,"message":"Invalid Params"}}`, func(t *testing.T, wsc *WSClient) { // We can't really subscribe using this stub server, so set up wsc internals. wsc.subscriptions["0"] = true err := wsc.Unsubscribe("0") require.Error(t, err) }}, "false returned": {`{"jsonrpc": "2.0", "id": 1, "result": false}`, func(t *testing.T, wsc *WSClient) { // We can't really subscribe using this stub server, so set up wsc internals. wsc.subscriptions["0"] = true err := wsc.Unsubscribe("0") require.Error(t, err) }}, } for name, rc := range cases { t.Run(name, func(t *testing.T) { srv := initTestServer(t, rc.response) defer srv.Close() wsc, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{Network: netmode.UnitTestNet}) require.NoError(t, err) rc.code(t, wsc) }) } } func TestWSClientEvents(t *testing.T) { var ok bool // Events from RPC server test chain. var events = []string{ `{"jsonrpc":"2.0","method":"transaction_executed","params":[{"txid":"0xe1cd5e57e721d2a2e05fb1f08721b12057b25ab1dd7fd0f33ee1639932fdfad7","trigger":"Application","vmstate":"HALT","gasconsumed":"22910000","stack":[],"notifications":[{"contract":"0x1b4357bff5a01bdf2a6581247cf9ed1e24629176","eventname":"contract call","state":{"type":"Array","value":[{"type":"ByteString","value":"dHJhbnNmZXI="},{"type":"Array","value":[{"type":"ByteString","value":"dpFiJB7t+XwkgWUq3xug9b9XQxs="},{"type":"ByteString","value":"MW6FEDkBnTnfwsN9bD/uGf1YCYc="},{"type":"Integer","value":"1000"}]}]}},{"contract":"0x1b4357bff5a01bdf2a6581247cf9ed1e24629176","eventname":"transfer","state":{"type":"Array","value":[{"type":"ByteString","value":"dpFiJB7t+XwkgWUq3xug9b9XQxs="},{"type":"ByteString","value":"MW6FEDkBnTnfwsN9bD/uGf1YCYc="},{"type":"Integer","value":"1000"}]}}]}]}`, `{"jsonrpc":"2.0","method":"notification_from_execution","params":[{"contract":"0x1b4357bff5a01bdf2a6581247cf9ed1e24629176","eventname":"contract call","state":{"type":"Array","value":[{"type":"ByteString","value":"dHJhbnNmZXI="},{"type":"Array","value":[{"type":"ByteString","value":"dpFiJB7t+XwkgWUq3xug9b9XQxs="},{"type":"ByteString","value":"MW6FEDkBnTnfwsN9bD/uGf1YCYc="},{"type":"Integer","value":"1000"}]}]}}]}`, `{"jsonrpc":"2.0","method":"transaction_executed","params":[{"txid":"0xf97a72b7722c109f909a8bc16c22368c5023d85828b09b127b237aace33cf099","trigger":"Application","vmstate":"HALT","gasconsumed":"6042610","stack":[],"notifications":[{"contract":"0xe65ff7b3a02d207b584a5c27057d4e9862ef01da","eventname":"contract call","state":{"type":"Array","value":[{"type":"ByteString","value":"dHJhbnNmZXI="},{"type":"Array","value":[{"type":"ByteString","value":"MW6FEDkBnTnfwsN9bD/uGf1YCYc="},{"type":"ByteString","value":"IHKCdK+vw29DoHHTKM+j5inZy7A="},{"type":"Integer","value":"123"}]}]}},{"contract":"0xe65ff7b3a02d207b584a5c27057d4e9862ef01da","eventname":"transfer","state":{"type":"Array","value":[{"type":"ByteString","value":"MW6FEDkBnTnfwsN9bD/uGf1YCYc="},{"type":"ByteString","value":"IHKCdK+vw29DoHHTKM+j5inZy7A="},{"type":"Integer","value":"123"}]}}]}]}`, `{"jsonrpc":"2.0","method":"block_added","params":[{"size":1641,"nextblockhash":"0x003abea54aa3c5edba7e33fb7ca96452cb65ff8cd36ce1cdfd412a6c4d3ea38a","confirmations":6,"hash":"0xd9518e322440714b0564d6f84a9a39b527b5480e4e7f7932895777a4c8fa0a9e","version":0,"previousblockhash":"0xa496577895eb8c227bb866dc44f99f21c0cf06417ca8f2a877cc5d761a50dac0","merkleroot":"0x2b0f84636d814f3a952de145c8f4028f5664132f2719f5902e1884c9fba59806","time":1596101407001,"index":1,"nextconsensus":"NUVPACMnKFhpuHjsRjhUvXz1XhqfGZYVtY","witnesses":[{"invocation":"DEANAGtuw7+VLVNvmpESGL4+xqlKgBSIWmMBEtABi86ixft2Q7AcaOC89M+yKVIuTel9doVJcCvfx93CcQ63DZqCDEBtwUEkjuzP9h8ZTL0GEKfGr01pazmh8s2TswJge5sAGryYE/+kjw5NCLFmowhPU73qUYQ9jq1zMNMXF+Deqxp/DEDkytkkwJec5n4x2+l5zsZHT6QTXJsByZOWXaGPVJKK8CeDccZba7Mf4MdSkWqSt61xUtlgM2Iqhe/Iuokf/ZEXDEAOH72S12CuAxVu0XNGyj3cgMtad+Bghxvr16T9+ELaWkpR4ko26FdStYC2XiCkzanXTtAD1Id5rREsxfFeKb83","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFAtBE43vrw=="}],"consensusdata":{"primary":0,"nonce":"0000000000000457"},"tx":[{"hash":"0x32f9bd3a2707475407c41bf5daacf9560e25ed74f6d85b3afb2ef72edb2325ba","size":555,"version":0,"nonce":2,"sender":"NUVPACMnKFhpuHjsRjhUvXz1XhqfGZYVtY","sysfee":"10000000","netfee":"4488350","validuntilblock":1200,"attributes":[],"signers":[{"account":"0x95307cb9cc8c4578cef9f6845895eb7aa8be125e","scopes":"CalledByEntry"}],"script":"Ahjd9QUMFKqKz4WdT+QCs05nPyFWgheWpIjrDBReEr6oeuuVWIT2+c54RYzMuXwwlRPADAh0cmFuc2ZlcgwUJQWey0h406h1+RxRzt7TMNRXX95BYn1bUjg=","witnesses":[{"invocation":"DEAIcSUsAtRql4t+IEeo+p4+YI7bA6PG+1xxUkPIb2vNlaMl4PumjQVFT+bg2ldxCYa6zccoc4n0Gfryi82EhGpGDECR4fQDr4njo94mF6/GA+OH0Y5k735yGMEZHs96586BRp6f0AQxfmIPvLcS4Yero9p0zgVl9BDg3TxU5piRylR5DEAcjOT7JjEwNRnKgDDkXfh63Yc3MorMbdb2asTiDu0aexy5M5XcikA1jypJT4wkhxjp0rrgFZRSzeYhwV0Klz+yDECIopKxLd4p+hLHxFq07WffXd++sN0WIRWzvMJncCrJqSP8zz65r8TGFFzvZMdGelWKO7KhBOhIK6wryuWNlaDI","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFAtBE43vrw=="}]},{"hash":"0xd35d6386ec2f29b90839536f6af9466098d1665e951cdd0a20db6b4629b08369","size":559,"version":0,"nonce":3,"sender":"NUVPACMnKFhpuHjsRjhUvXz1XhqfGZYVtY","sysfee":"10000000","netfee":"4492350","validuntilblock":1200,"attributes":[],"signers":[{"account":"0x95307cb9cc8c4578cef9f6845895eb7aa8be125e","scopes":"CalledByEntry"}],"script":"AwDodkgXAAAADBSqis+FnU/kArNOZz8hVoIXlqSI6wwUXhK+qHrrlViE9vnOeEWMzLl8MJUTwAwIdHJhbnNmZXIMFLyvQdaEx9StbuDZnalwe50fDI5mQWJ9W1I4","witnesses":[{"invocation":"DECKUPl9d502XPI564EC2BroqpN274uV3n1z6kCBCmbS715lzmPbh24LESMsAP2TFohhdhm16aDfNsPi5tkB/FE4DEDzJFts9VYc1lIivGAZZSxACzAV/96Kn2WAaS3bDIlAJHCShsfz+Rn3NuvMyutujYM4vyEipAX9gkjcvFWGKRObDECkI883onhG9aYTxwQWDxsmofuiooRJOic/cJ1H8nqUEvMqATYKgdHaBOJBVYsKq9M9oUv/fj6JFbMDrcasvpiaDECEqkq2b50aEc1NGM9DBAsYLEeZHrM1BwX3a2tBOeeD/KLtmTga1IZogsZgpis2BOToZO6LuN9FJYcn+/iGcC5u","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFAtBE43vrw=="}]}]}]}`, `{"jsonrpc":"2.0","method":"event_missed","params":[]}`, } srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { if req.URL.Path == "/ws" && req.Method == "GET" { var upgrader = websocket.Upgrader{} ws, err := upgrader.Upgrade(w, req, nil) require.NoError(t, err) for _, event := range events { ws.SetWriteDeadline(time.Now().Add(2 * time.Second)) err = ws.WriteMessage(1, []byte(event)) if err != nil { break } } ws.Close() return } })) wsc, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{Network: netmode.UnitTestNet}) require.NoError(t, err) for range events { select { case _, ok = <-wsc.Notifications: case <-time.After(time.Second): t.Fatal("timeout waiting for event") } require.True(t, ok) } select { case _, ok = <-wsc.Notifications: case <-time.After(time.Second): t.Fatal("timeout waiting for event") } // Connection closed by server. require.False(t, ok) } func TestWSExecutionVMStateCheck(t *testing.T) { // Will answer successfully if request slips through. srv := initTestServer(t, `{"jsonrpc": "2.0", "id": 1, "result": "55aaff00"}`) defer srv.Close() wsc, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{Network: netmode.UnitTestNet}) require.NoError(t, err) filter := "NONE" _, err = wsc.SubscribeForTransactionExecutions(&filter) require.Error(t, err) wsc.Close() } func TestWSFilteredSubscriptions(t *testing.T) { var cases = []struct { name string clientCode func(*testing.T, *WSClient) serverCode func(*testing.T, *request.Params) }{ {"blocks", func(t *testing.T, wsc *WSClient) { primary := 3 _, err := wsc.SubscribeForNewBlocks(&primary) require.NoError(t, err) }, func(t *testing.T, p *request.Params) { param := p.Value(1) require.NotNil(t, param) require.Equal(t, request.BlockFilterT, param.Type) filt, ok := param.Value.(request.BlockFilter) require.Equal(t, true, ok) require.Equal(t, 3, filt.Primary) }, }, {"transactions sender", func(t *testing.T, wsc *WSClient) { sender := util.Uint160{1, 2, 3, 4, 5} _, err := wsc.SubscribeForNewTransactions(&sender, nil) require.NoError(t, err) }, func(t *testing.T, p *request.Params) { param := p.Value(1) require.NotNil(t, param) require.Equal(t, request.TxFilterT, param.Type) filt, ok := param.Value.(request.TxFilter) require.Equal(t, true, ok) require.Equal(t, util.Uint160{1, 2, 3, 4, 5}, *filt.Sender) require.Nil(t, filt.Signer) }, }, {"transactions signer", func(t *testing.T, wsc *WSClient) { signer := util.Uint160{0, 42} _, err := wsc.SubscribeForNewTransactions(nil, &signer) require.NoError(t, err) }, func(t *testing.T, p *request.Params) { param := p.Value(1) require.NotNil(t, param) require.Equal(t, request.TxFilterT, param.Type) filt, ok := param.Value.(request.TxFilter) require.Equal(t, true, ok) require.Nil(t, filt.Sender) require.Equal(t, util.Uint160{0, 42}, *filt.Signer) }, }, {"transactions sender and signer", func(t *testing.T, wsc *WSClient) { sender := util.Uint160{1, 2, 3, 4, 5} signer := util.Uint160{0, 42} _, err := wsc.SubscribeForNewTransactions(&sender, &signer) require.NoError(t, err) }, func(t *testing.T, p *request.Params) { param := p.Value(1) require.NotNil(t, param) require.Equal(t, request.TxFilterT, param.Type) filt, ok := param.Value.(request.TxFilter) require.Equal(t, true, ok) require.Equal(t, util.Uint160{1, 2, 3, 4, 5}, *filt.Sender) require.Equal(t, util.Uint160{0, 42}, *filt.Signer) }, }, {"notifications", func(t *testing.T, wsc *WSClient) { contract := util.Uint160{1, 2, 3, 4, 5} _, err := wsc.SubscribeForExecutionNotifications(&contract) require.NoError(t, err) }, func(t *testing.T, p *request.Params) { param := p.Value(1) require.NotNil(t, param) require.Equal(t, request.NotificationFilterT, param.Type) filt, ok := param.Value.(request.NotificationFilter) require.Equal(t, true, ok) require.Equal(t, util.Uint160{1, 2, 3, 4, 5}, filt.Contract) }, }, {"executions", func(t *testing.T, wsc *WSClient) { state := "FAULT" _, err := wsc.SubscribeForTransactionExecutions(&state) require.NoError(t, err) }, func(t *testing.T, p *request.Params) { param := p.Value(1) require.NotNil(t, param) require.Equal(t, request.ExecutionFilterT, param.Type) filt, ok := param.Value.(request.ExecutionFilter) require.Equal(t, true, ok) require.Equal(t, "FAULT", filt.State) }, }, } for _, c := range cases { t.Run(c.name, func(t *testing.T) { srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { if req.URL.Path == "/ws" && req.Method == "GET" { var upgrader = websocket.Upgrader{} ws, err := upgrader.Upgrade(w, req, nil) require.NoError(t, err) ws.SetReadDeadline(time.Now().Add(2 * time.Second)) req := request.In{} err = ws.ReadJSON(&req) require.NoError(t, err) params, err := req.Params() require.NoError(t, err) c.serverCode(t, params) ws.SetWriteDeadline(time.Now().Add(2 * time.Second)) err = ws.WriteMessage(1, []byte(`{"jsonrpc": "2.0", "id": 1, "result": "0"}`)) require.NoError(t, err) ws.Close() } })) defer srv.Close() wsc, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{Network: netmode.UnitTestNet}) require.NoError(t, err) c.clientCode(t, wsc) wsc.Close() }) } } func TestNewWS(t *testing.T) { srv := initTestServer(t, "") defer srv.Close() t.Run("good", func(t *testing.T) { _, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{Network: netmode.UnitTestNet}) require.NoError(t, err) }) t.Run("bad URL", func(t *testing.T) { _, err := NewWS(context.TODO(), strings.Trim(srv.URL, "http://"), Options{Network: netmode.UnitTestNet}) require.Error(t, err) }) }