make mc tx work

1 files changed, 0 insertions, 569 deletions

diff --git a/rpc/client_test.go b/rpc/client_test.go
deleted file mode 100644
index 79ea32e..0000000
--- a/rpc/client_test.go
+++ /dev/null
@@ -1,569 +0,0 @@
-// Copyright 2016 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 rpc
-
-import (
-	"context"
-	"fmt"
-	"math/rand"
-	"net"
-	"net/http"
-	"net/http/httptest"
-	"os"
-	"reflect"
-	"runtime"
-	"sync"
-	"testing"
-	"time"
-
-	"github.com/davecgh/go-spew/spew"
-	"github.com/ava-labs/go-ethereum/log"
-)
-
-func TestClientRequest(t *testing.T) {
-	server := newTestServer()
-	defer server.Stop()
-	client := DialInProc(server)
-	defer client.Close()
-
-	var resp Result
-	if err := client.Call(&resp, "test_echo", "hello", 10, &Args{"world"}); err != nil {
-		t.Fatal(err)
-	}
-	if !reflect.DeepEqual(resp, Result{"hello", 10, &Args{"world"}}) {
-		t.Errorf("incorrect result %#v", resp)
-	}
-}
-
-func TestClientBatchRequest(t *testing.T) {
-	server := newTestServer()
-	defer server.Stop()
-	client := DialInProc(server)
-	defer client.Close()
-
-	batch := []BatchElem{
-		{
-			Method: "test_echo",
-			Args:   []interface{}{"hello", 10, &Args{"world"}},
-			Result: new(Result),
-		},
-		{
-			Method: "test_echo",
-			Args:   []interface{}{"hello2", 11, &Args{"world"}},
-			Result: new(Result),
-		},
-		{
-			Method: "no_such_method",
-			Args:   []interface{}{1, 2, 3},
-			Result: new(int),
-		},
-	}
-	if err := client.BatchCall(batch); err != nil {
-		t.Fatal(err)
-	}
-	wantResult := []BatchElem{
-		{
-			Method: "test_echo",
-			Args:   []interface{}{"hello", 10, &Args{"world"}},
-			Result: &Result{"hello", 10, &Args{"world"}},
-		},
-		{
-			Method: "test_echo",
-			Args:   []interface{}{"hello2", 11, &Args{"world"}},
-			Result: &Result{"hello2", 11, &Args{"world"}},
-		},
-		{
-			Method: "no_such_method",
-			Args:   []interface{}{1, 2, 3},
-			Result: new(int),
-			Error:  &jsonError{Code: -32601, Message: "the method no_such_method does not exist/is not available"},
-		},
-	}
-	if !reflect.DeepEqual(batch, wantResult) {
-		t.Errorf("batch results mismatch:\ngot %swant %s", spew.Sdump(batch), spew.Sdump(wantResult))
-	}
-}
-
-func TestClientNotify(t *testing.T) {
-	server := newTestServer()
-	defer server.Stop()
-	client := DialInProc(server)
-	defer client.Close()
-
-	if err := client.Notify(context.Background(), "test_echo", "hello", 10, &Args{"world"}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// func TestClientCancelInproc(t *testing.T) { testClientCancel("inproc", t) }
-func TestClientCancelWebsocket(t *testing.T) { testClientCancel("ws", t) }
-func TestClientCancelHTTP(t *testing.T)      { testClientCancel("http", t) }
-func TestClientCancelIPC(t *testing.T)       { testClientCancel("ipc", t) }
-
-// This test checks that requests made through CallContext can be canceled by canceling
-// the context.
-func testClientCancel(transport string, t *testing.T) {
-	// These tests take a lot of time, run them all at once.
-	// You probably want to run with -parallel 1 or comment out
-	// the call to t.Parallel if you enable the logging.
-	t.Parallel()
-
-	server := newTestServer()
-	defer server.Stop()
-
-	// What we want to achieve is that the context gets canceled
-	// at various stages of request processing. The interesting cases
-	// are:
-	//  - cancel during dial
-	//  - cancel while performing a HTTP request
-	//  - cancel while waiting for a response
-	//
-	// To trigger those, the times are chosen such that connections
-	// are killed within the deadline for every other call (maxKillTimeout
-	// is 2x maxCancelTimeout).
-	//
-	// Once a connection is dead, there is a fair chance it won't connect
-	// successfully because the accept is delayed by 1s.
-	maxContextCancelTimeout := 300 * time.Millisecond
-	fl := &flakeyListener{
-		maxAcceptDelay: 1 * time.Second,
-		maxKillTimeout: 600 * time.Millisecond,
-	}
-
-	var client *Client
-	switch transport {
-	case "ws", "http":
-		c, hs := httpTestClient(server, transport, fl)
-		defer hs.Close()
-		client = c
-	case "ipc":
-		c, l := ipcTestClient(server, fl)
-		defer l.Close()
-		client = c
-	default:
-		panic("unknown transport: " + transport)
-	}
-
-	// The actual test starts here.
-	var (
-		wg       sync.WaitGroup
-		nreqs    = 10
-		ncallers = 6
-	)
-	caller := func(index int) {
-		defer wg.Done()
-		for i := 0; i < nreqs; i++ {
-			var (
-				ctx     context.Context
-				cancel  func()
-				timeout = time.Duration(rand.Int63n(int64(maxContextCancelTimeout)))
-			)
-			if index < ncallers/2 {
-				// For half of the callers, create a context without deadline
-				// and cancel it later.
-				ctx, cancel = context.WithCancel(context.Background())
-				time.AfterFunc(timeout, cancel)
-			} else {
-				// For the other half, create a context with a deadline instead. This is
-				// different because the context deadline is used to set the socket write
-				// deadline.
-				ctx, cancel = context.WithTimeout(context.Background(), timeout)
-			}
-			// Now perform a call with the context.
-			// The key thing here is that no call will ever complete successfully.
-			sleepTime := maxContextCancelTimeout + 20*time.Millisecond
-			err := client.CallContext(ctx, nil, "test_sleep", sleepTime)
-			if err != nil {
-				log.Debug(fmt.Sprint("got expected error:", err))
-			} else {
-				t.Errorf("no error for call with %v wait time", timeout)
-			}
-			cancel()
-		}
-	}
-	wg.Add(ncallers)
-	for i := 0; i < ncallers; i++ {
-		go caller(i)
-	}
-	wg.Wait()
-}
-
-func TestClientSubscribeInvalidArg(t *testing.T) {
-	server := newTestServer()
-	defer server.Stop()
-	client := DialInProc(server)
-	defer client.Close()
-
-	check := func(shouldPanic bool, arg interface{}) {
-		defer func() {
-			err := recover()
-			if shouldPanic && err == nil {
-				t.Errorf("EthSubscribe should've panicked for %#v", arg)
-			}
-			if !shouldPanic && err != nil {
-				t.Errorf("EthSubscribe shouldn't have panicked for %#v", arg)
-				buf := make([]byte, 1024*1024)
-				buf = buf[:runtime.Stack(buf, false)]
-				t.Error(err)
-				t.Error(string(buf))
-			}
-		}()
-		client.EthSubscribe(context.Background(), arg, "foo_bar")
-	}
-	check(true, nil)
-	check(true, 1)
-	check(true, (chan int)(nil))
-	check(true, make(<-chan int))
-	check(false, make(chan int))
-	check(false, make(chan<- int))
-}
-
-func TestClientSubscribe(t *testing.T) {
-	server := newTestServer()
-	defer server.Stop()
-	client := DialInProc(server)
-	defer client.Close()
-
-	nc := make(chan int)
-	count := 10
-	sub, err := client.Subscribe(context.Background(), "nftest", nc, "someSubscription", count, 0)
-	if err != nil {
-		t.Fatal("can't subscribe:", err)
-	}
-	for i := 0; i < count; i++ {
-		if val := <-nc; val != i {
-			t.Fatalf("value mismatch: got %d, want %d", val, i)
-		}
-	}
-
-	sub.Unsubscribe()
-	select {
-	case v := <-nc:
-		t.Fatal("received value after unsubscribe:", v)
-	case err := <-sub.Err():
-		if err != nil {
-			t.Fatalf("Err returned a non-nil error after explicit unsubscribe: %q", err)
-		}
-	case <-time.After(1 * time.Second):
-		t.Fatalf("subscription not closed within 1s after unsubscribe")
-	}
-}
-
-// In this test, the connection drops while Subscribe is waiting for a response.
-func TestClientSubscribeClose(t *testing.T) {
-	server := newTestServer()
-	service := &notificationTestService{
-		gotHangSubscriptionReq:  make(chan struct{}),
-		unblockHangSubscription: make(chan struct{}),
-	}
-	if err := server.RegisterName("nftest2", service); err != nil {
-		t.Fatal(err)
-	}
-
-	defer server.Stop()
-	client := DialInProc(server)
-	defer client.Close()
-
-	var (
-		nc   = make(chan int)
-		errc = make(chan error)
-		sub  *ClientSubscription
-		err  error
-	)
-	go func() {
-		sub, err = client.Subscribe(context.Background(), "nftest2", nc, "hangSubscription", 999)
-		errc <- err
-	}()
-
-	<-service.gotHangSubscriptionReq
-	client.Close()
-	service.unblockHangSubscription <- struct{}{}
-
-	select {
-	case err := <-errc:
-		if err == nil {
-			t.Errorf("Subscribe returned nil error after Close")
-		}
-		if sub != nil {
-			t.Error("Subscribe returned non-nil subscription after Close")
-		}
-	case <-time.After(1 * time.Second):
-		t.Fatalf("Subscribe did not return within 1s after Close")
-	}
-}
-
-// This test reproduces https://github.com/ethereum/go-ethereum/issues/17837 where the
-// client hangs during shutdown when Unsubscribe races with Client.Close.
-func TestClientCloseUnsubscribeRace(t *testing.T) {
-	server := newTestServer()
-	defer server.Stop()
-
-	for i := 0; i < 20; i++ {
-		client := DialInProc(server)
-		nc := make(chan int)
-		sub, err := client.Subscribe(context.Background(), "nftest", nc, "someSubscription", 3, 1)
-		if err != nil {
-			t.Fatal(err)
-		}
-		go client.Close()
-		go sub.Unsubscribe()
-		select {
-		case <-sub.Err():
-		case <-time.After(5 * time.Second):
-			t.Fatal("subscription not closed within timeout")
-		}
-	}
-}
-
-// This test checks that Client doesn't lock up when a single subscriber
-// doesn't read subscription events.
-func TestClientNotificationStorm(t *testing.T) {
-	server := newTestServer()
-	defer server.Stop()
-
-	doTest := func(count int, wantError bool) {
-		client := DialInProc(server)
-		defer client.Close()
-		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
-		defer cancel()
-
-		// Subscribe on the server. It will start sending many notifications
-		// very quickly.
-		nc := make(chan int)
-		sub, err := client.Subscribe(ctx, "nftest", nc, "someSubscription", count, 0)
-		if err != nil {
-			t.Fatal("can't subscribe:", err)
-		}
-		defer sub.Unsubscribe()
-
-		// Process each notification, try to run a call in between each of them.
-		for i := 0; i < count; i++ {
-			select {
-			case val := <-nc:
-				if val != i {
-					t.Fatalf("(%d/%d) unexpected value %d", i, count, val)
-				}
-			case err := <-sub.Err():
-				if wantError && err != ErrSubscriptionQueueOverflow {
-					t.Fatalf("(%d/%d) got error %q, want %q", i, count, err, ErrSubscriptionQueueOverflow)
-				} else if !wantError {
-					t.Fatalf("(%d/%d) got unexpected error %q", i, count, err)
-				}
-				return
-			}
-			var r int
-			err := client.CallContext(ctx, &r, "nftest_echo", i)
-			if err != nil {
-				if !wantError {
-					t.Fatalf("(%d/%d) call error: %v", i, count, err)
-				}
-				return
-			}
-		}
-		if wantError {
-			t.Fatalf("didn't get expected error")
-		}
-	}
-
-	doTest(8000, false)
-	doTest(21000, true)
-}
-
-func TestClientHTTP(t *testing.T) {
-	server := newTestServer()
-	defer server.Stop()
-
-	client, hs := httpTestClient(server, "http", nil)
-	defer hs.Close()
-	defer client.Close()
-
-	// Launch concurrent requests.
-	var (
-		results    = make([]Result, 100)
-		errc       = make(chan error)
-		wantResult = Result{"a", 1, new(Args)}
-	)
-	defer client.Close()
-	for i := range results {
-		i := i
-		go func() {
-			errc <- client.Call(&results[i], "test_echo",
-				wantResult.String, wantResult.Int, wantResult.Args)
-		}()
-	}
-
-	// Wait for all of them to complete.
-	timeout := time.NewTimer(5 * time.Second)
-	defer timeout.Stop()
-	for i := range results {
-		select {
-		case err := <-errc:
-			if err != nil {
-				t.Fatal(err)
-			}
-		case <-timeout.C:
-			t.Fatalf("timeout (got %d/%d) results)", i+1, len(results))
-		}
-	}
-
-	// Check results.
-	for i := range results {
-		if !reflect.DeepEqual(results[i], wantResult) {
-			t.Errorf("result %d mismatch: got %#v, want %#v", i, results[i], wantResult)
-		}
-	}
-}
-
-func TestClientReconnect(t *testing.T) {
-	startServer := func(addr string) (*Server, net.Listener) {
-		srv := newTestServer()
-		l, err := net.Listen("tcp", addr)
-		if err != nil {
-			t.Fatal("can't listen:", err)
-		}
-		go http.Serve(l, srv.WebsocketHandler([]string{"*"}))
-		return srv, l
-	}
-
-	ctx, cancel := context.WithTimeout(context.Background(), 12*time.Second)
-	defer cancel()
-
-	// Start a server and corresponding client.
-	s1, l1 := startServer("127.0.0.1:0")
-	client, err := DialContext(ctx, "ws://"+l1.Addr().String())
-	if err != nil {
-		t.Fatal("can't dial", err)
-	}
-
-	// Perform a call. This should work because the server is up.
-	var resp Result
-	if err := client.CallContext(ctx, &resp, "test_echo", "", 1, nil); err != nil {
-		t.Fatal(err)
-	}
-
-	// Shut down the server and allow for some cool down time so we can listen on the same
-	// address again.
-	l1.Close()
-	s1.Stop()
-	time.Sleep(2 * time.Second)
-
-	// Try calling again. It shouldn't work.
-	if err := client.CallContext(ctx, &resp, "test_echo", "", 2, nil); err == nil {
-		t.Error("successful call while the server is down")
-		t.Logf("resp: %#v", resp)
-	}
-
-	// Start it up again and call again. The connection should be reestablished.
-	// We spawn multiple calls here to check whether this hangs somehow.
-	s2, l2 := startServer(l1.Addr().String())
-	defer l2.Close()
-	defer s2.Stop()
-
-	start := make(chan struct{})
-	errors := make(chan error, 20)
-	for i := 0; i < cap(errors); i++ {
-		go func() {
-			<-start
-			var resp Result
-			errors <- client.CallContext(ctx, &resp, "test_echo", "", 3, nil)
-		}()
-	}
-	close(start)
-	errcount := 0
-	for i := 0; i < cap(errors); i++ {
-		if err = <-errors; err != nil {
-			errcount++
-		}
-	}
-	t.Logf("%d errors, last error: %v", errcount, err)
-	if errcount > 1 {
-		t.Errorf("expected one error after disconnect, got %d", errcount)
-	}
-}
-
-func httpTestClient(srv *Server, transport string, fl *flakeyListener) (*Client, *httptest.Server) {
-	// Create the HTTP server.
-	var hs *httptest.Server
-	switch transport {
-	case "ws":
-		hs = httptest.NewUnstartedServer(srv.WebsocketHandler([]string{"*"}))
-	case "http":
-		hs = httptest.NewUnstartedServer(srv)
-	default:
-		panic("unknown HTTP transport: " + transport)
-	}
-	// Wrap the listener if required.
-	if fl != nil {
-		fl.Listener = hs.Listener
-		hs.Listener = fl
-	}
-	// Connect the client.
-	hs.Start()
-	client, err := Dial(transport + "://" + hs.Listener.Addr().String())
-	if err != nil {
-		panic(err)
-	}
-	return client, hs
-}
-
-func ipcTestClient(srv *Server, fl *flakeyListener) (*Client, net.Listener) {
-	// Listen on a random endpoint.
-	endpoint := fmt.Sprintf("go-ethereum-test-ipc-%d-%d", os.Getpid(), rand.Int63())
-	if runtime.GOOS == "windows" {
-		endpoint = `\\.\pipe\` + endpoint
-	} else {
-		endpoint = os.TempDir() + "/" + endpoint
-	}
-	l, err := ipcListen(endpoint)
-	if err != nil {
-		panic(err)
-	}
-	// Connect the listener to the server.
-	if fl != nil {
-		fl.Listener = l
-		l = fl
-	}
-	go srv.ServeListener(l)
-	// Connect the client.
-	client, err := Dial(endpoint)
-	if err != nil {
-		panic(err)
-	}
-	return client, l
-}
-
-// flakeyListener kills accepted connections after a random timeout.
-type flakeyListener struct {
-	net.Listener
-	maxKillTimeout time.Duration
-	maxAcceptDelay time.Duration
-}
-
-func (l *flakeyListener) Accept() (net.Conn, error) {
-	delay := time.Duration(rand.Int63n(int64(l.maxAcceptDelay)))
-	time.Sleep(delay)
-
-	c, err := l.Listener.Accept()
-	if err == nil {
-		timeout := time.Duration(rand.Int63n(int64(l.maxKillTimeout)))
-		time.AfterFunc(timeout, func() {
-			log.Debug(fmt.Sprintf("killing conn %v after %v", c.LocalAddr(), timeout))
-			c.Close()
-		})
-	}
-	return c, err
-}