neoneo-go/pkg/rpc/client/wsclient_test.go

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package client
import (
"context"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
"github.com/gorilla/websocket"
"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{})
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{})
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{})
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{})
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","executions":[{"trigger":"Application","contract":"0x0000000000000000000000000000000000000000","vmstate":"HALT","gas_consumed":"2.291","stack":[],"notifications":[{"contract":"0x1b4357bff5a01bdf2a6581247cf9ed1e24629176","state":{"type":"Array","value":[{"type":"ByteArray","value":"636f6e74726163742063616c6c"},{"type":"ByteArray","value":"7472616e73666572"},{"type":"Array","value":[{"type":"ByteArray","value":"769162241eedf97c2481652adf1ba0f5bf57431b"},{"type":"ByteArray","value":"316e851039019d39dfc2c37d6c3fee19fd580987"},{"type":"Integer","value":"1000"}]}]}},{"contract":"0x1b4357bff5a01bdf2a6581247cf9ed1e24629176","state":{"type":"Array","value":[{"type":"ByteArray","value":"7472616e73666572"},{"type":"ByteArray","value":"769162241eedf97c2481652adf1ba0f5bf57431b"},{"type":"ByteArray","value":"316e851039019d39dfc2c37d6c3fee19fd580987"},{"type":"Integer","value":"1000"}]}}]}]}]}`,
`{"jsonrpc":"2.0","method":"notification_from_execution","params":[{"contract":"0x1b4357bff5a01bdf2a6581247cf9ed1e24629176","state":{"type":"Array","value":[{"type":"ByteArray","value":"636f6e74726163742063616c6c"},{"type":"ByteArray","value":"7472616e73666572"},{"type":"Array","value":[{"type":"ByteArray","value":"769162241eedf97c2481652adf1ba0f5bf57431b"},{"type":"ByteArray","value":"316e851039019d39dfc2c37d6c3fee19fd580987"},{"type":"Integer","value":"1000"}]}]}}]}`,
`{"jsonrpc":"2.0","method":"transaction_added","params":[{"txid":"0xe1cd5e57e721d2a2e05fb1f08721b12057b25ab1dd7fd0f33ee1639932fdfad7","size":277,"type":"InvocationTransaction","version":1,"nonce":9,"sender":"ALHF9wsXZVEuCGgmDA6ZNsCLtrb4A1g4yG","sys_fee":"0","net_fee":"0.0037721","valid_until_block":1200,"attributes":[],"cosigners":[{"account":"0x870958fd19ee3f6c7dc3c2df399d013910856e31","scopes":1}],"vin":[],"vout":[],"scripts":[{"invocation":"0c4027727296b84853c5d9e07fb8a40e885246ae25641383b16eefbe92027ecb1635b794aacf6bbfc3e828c73829b14791c483d19eb758b57638e3191393dbf2d288","verification":"0c2102b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc20b410a906ad4"}],"script":"01e8030c14316e851039019d39dfc2c37d6c3fee19fd5809870c14769162241eedf97c2481652adf1ba0f5bf57431b13c00c087472616e736665720c14769162241eedf97c2481652adf1ba0f5bf57431b41627d5b5238"}]}`,
`{"jsonrpc":"2.0","method":"block_added","params":[{"hash":"0x239fea00c54c2f6812612874183b72bef4473fcdf68bf8da08d74fd5b6cab030","version":0,"previousblockhash":"0x04f7580b111ec75f0ce68d3a9fd70a0544b4521b4a98541694d8575c548b759e","merkleroot":"0xb2c7230ebee4cb83bc03afadbba413e6bca8fcdeaf9c077bea060918da0e52a1","time":1590006200,"index":207,"nextconsensus":"AXSvJVzydxXuL9da4GVwK25zdesCrVKkHL","witnesses":[{"invocation":"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","verification":"130c2102103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e0c2102a7bc55fe8684e0119768d104ba30795bdcc86619e864add26156723ed185cd620c2102b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc20c2103d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee699140b413073b3bb"}],"consensus_data":{"primary":0,"nonce":"0000000000000457"},"tx":[{"txid":"0xf736cd91ab84062a21a09b424346b241987f6245ffe8c2b2db39d595c3c222f7","size":204,"type":"InvocationTransaction","version":1,"nonce":8,"sender":"ALHF9wsXZVEuCGgmDA6ZNsCLtrb4A1g4yG","sys_fee":"0","net_fee":"0.0030421","valid_until_block":1200,"attributes":[],"cosigners":[],"vin":[],"vout":[],"scripts":[{"invocation":"0c4016e7a112742409cdfaad89dcdbcb52c94c5c1a69dfe5d8b999649eaaa787e31ca496d1734d6ea606c749ad36e9a88892240ae59e0efa7f544e0692124898d512","verification":"0c2102b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc20b410a906ad4"}],"script":"10c00c04696e69740c14769162241eedf97c2481652adf1ba0f5bf57431b41627d5b52"},{"txid":"0xe1cd5e57e721d2a2e05fb1f08721b12057b25ab1dd7fd0f33ee1639932fdfad7","size":277,"type":"InvocationTransaction","version":1,"nonce":9,"sender":"ALHF9wsXZVEuCGgmDA6ZNsCLtrb4A1g4yG","sys_fee":"0","net_fee":"0.0037721","valid_until_block":1200,"attributes":[],"cosigners":[{"account":"0x870958fd19ee3f6c7dc3c2df399d013910856e31","scopes":1}],"vin":[],"vout":[],"scripts":[{"invocation":"0c4027727296b84853c5d9e07fb8a40e885246ae25641383b16eefbe92027ecb1635b794aacf6bbfc3e828c73829b14791c483d19eb758b57638e3191393dbf2d288","verification":"0c2102b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc20b410a906ad4"}],"script":"01e8030c14316e851039019d39dfc2c37d6c3fee19fd5809870c14769162241eedf97c2481652adf1ba0f5bf57431b13c00c087472616e736665720c14769162241eedf97c2481652adf1ba0f5bf57431b41627d5b5238"}]}]}`,
`{"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{})
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{})
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, ok := p.Value(1)
require.Equal(t, true, ok)
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, ok := p.Value(1)
require.Equal(t, true, ok)
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.Cosigner)
},
},
{"transactions cosigner",
func(t *testing.T, wsc *WSClient) {
cosigner := util.Uint160{0, 42}
_, err := wsc.SubscribeForNewTransactions(nil, &cosigner)
require.NoError(t, err)
},
func(t *testing.T, p *request.Params) {
param, ok := p.Value(1)
require.Equal(t, true, ok)
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.Cosigner)
},
},
{"transactions sender and cosigner",
func(t *testing.T, wsc *WSClient) {
sender := util.Uint160{1, 2, 3, 4, 5}
cosigner := util.Uint160{0, 42}
_, err := wsc.SubscribeForNewTransactions(&sender, &cosigner)
require.NoError(t, err)
},
func(t *testing.T, p *request.Params) {
param, ok := p.Value(1)
require.Equal(t, true, ok)
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.Cosigner)
},
},
{"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, ok := p.Value(1)
require.Equal(t, true, ok)
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, ok := p.Value(1)
require.Equal(t, true, ok)
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{})
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{})
require.NoError(t, err)
})
t.Run("bad URL", func(t *testing.T) {
_, err := NewWS(context.TODO(), strings.Trim(srv.URL, "http://"), Options{})
require.Error(t, err)
})
}