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// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package jrpc
import (
"context"
"errors"
"strings"
"time"
)
func newTestServer() *Server {
server := NewServer()
if err := server.RegisterName("test", new(testService)); err != nil {
panic(err)
}
if err := server.RegisterName("nftest", new(notificationTestService)); err != nil {
panic(err)
}
return server
}
type testService struct{}
type echoArgs struct {
S string
}
type echoResult struct {
String string
Int int
Args *echoArgs
}
type testError struct{}
func (testError) Error() string { return "testError" }
func (testError) ErrorCode() int { return 444 }
func (testError) ErrorData() any { return "testError data" }
func (s *testService) NoArgsRets() {}
func (s *testService) Echo(str string, i int, args *echoArgs) echoResult {
return echoResult{str, i, args}
}
func (s *testService) EchoWithCtx(ctx context.Context, str string, i int, args *echoArgs) echoResult {
return echoResult{str, i, args}
}
func (s *testService) PeerInfo(ctx context.Context) PeerInfo {
return PeerInfoFromContext(ctx)
}
func (s *testService) Sleep(ctx context.Context, duration time.Duration) {
time.Sleep(duration)
}
func (s *testService) Block(ctx context.Context) error {
<-ctx.Done()
return errors.New("context canceled in testservice_block")
}
func (s *testService) Rets() (string, error) {
return "", nil
}
//lint:ignore ST1008 returns error first on purpose.
func (s *testService) InvalidRets1() (error, string) {
return nil, ""
}
func (s *testService) InvalidRets2() (string, string) {
return "", ""
}
func (s *testService) InvalidRets3() (string, string, error) {
return "", "", nil
}
func (s *testService) ReturnError() error {
return testError{}
}
func (s *testService) CallMeBack(ctx context.Context, method string, args []any) (any, error) {
c, ok := ClientFromContext(ctx)
if !ok {
return nil, errors.New("no client")
}
var result any
err := c.Call(&result, method, args...)
return result, err
}
func (s *testService) CallMeBackLater(ctx context.Context, method string, args []any) error {
c, ok := ClientFromContext(ctx)
if !ok {
return errors.New("no client")
}
go func() {
<-ctx.Done()
var result any
c.Call(&result, method, args...)
}()
return nil
}
type notificationTestService struct {
unsubscribed chan string
gotHangSubscriptionReq chan struct{}
unblockHangSubscription chan struct{}
}
func (s *notificationTestService) Echo(i int) int {
return i
}
func (s *notificationTestService) Unsubscribe(subid string) {
if s.unsubscribed != nil {
s.unsubscribed <- subid
}
}
// largeRespService generates arbitrary-size JSON responses.
type largeRespService struct {
length int
}
func (x largeRespService) LargeResp() string {
return strings.Repeat("x", x.length)
}