Removed IPC

cmd/go-quai/config.go

@@ -108,7 +108,6 @@ func defaultNodeConfig() node.Config {
 	cfg.Version = params.VersionWithCommit(gitCommit, gitDate)
 	cfg.HTTPModules = append(cfg.HTTPModules, "eth")
 	cfg.WSModules = append(cfg.WSModules, "eth")
-	cfg.IPCPath = "quai.ipc"
 	return cfg
 }
 

cmd/go-quai/main.go

@@ -157,8 +157,6 @@ var (
 		utils.WSApiFlag,
 		utils.WSAllowedOriginsFlag,
 		utils.WSPathPrefixFlag,
-		utils.IPCDisabledFlag,
-		utils.IPCPathFlag,
 		utils.InsecureUnlockAllowedFlag,
 		utils.RPCGlobalGasCapFlag,
 		utils.RPCGlobalTxFeeCapFlag,
@@ -293,7 +291,7 @@ func quai(ctx *cli.Context) error {
 }
 
 // startNode boots up the system node and all registered protocols, after which
-// it unlocks any requested accounts, and starts the RPC/IPC interfaces and the
+// it unlocks any requested accounts, and starts the RPC interfaces and the
 // miner.
 func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend) {
 	debug.Memsize.Add("node", stack)

cmd/go-quai/usage.go

@@ -104,8 +104,6 @@ var AppHelpFlagGroups = []flags.FlagGroup{
 	{
 		Name: "API AND CONSOLE",
 		Flags: []cli.Flag{
-			utils.IPCDisabledFlag,
-			utils.IPCPathFlag,
 			utils.HTTPEnabledFlag,
 			utils.HTTPListenAddrFlag,
 			utils.HTTPPortFlag,

cmd/utils/flags.go

@@ -427,14 +427,6 @@ var (
 		Usage: "Disables db compaction after import",
 	}
 	// RPC settings
-	IPCDisabledFlag = cli.BoolFlag{
-		Name:  "ipcdisable",
-		Usage: "Disable the IPC-RPC server",
-	}
-	IPCPathFlag = DirectoryFlag{
-		Name:  "ipcpath",
-		Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
-	}
 	HTTPEnabledFlag = cli.BoolFlag{
 		Name:  "http",
 		Usage: "Enable the HTTP-RPC server",
@@ -959,18 +951,6 @@ func makeSubUrls(ctx *cli.Context) []string {
 	return strings.Split(ctx.GlobalString(SubUrls.Name), ",")
 }
 
-// setIPC creates an IPC path configuration from the set command line flags,
-// returning an empty string if IPC was explicitly disabled, or the set path.
-func setIPC(ctx *cli.Context, cfg *node.Config) {
-	CheckExclusive(ctx, IPCDisabledFlag, IPCPathFlag)
-	switch {
-	case ctx.GlobalBool(IPCDisabledFlag.Name):
-		cfg.IPCPath = ""
-	case ctx.GlobalIsSet(IPCPathFlag.Name):
-		cfg.IPCPath = ctx.GlobalString(IPCPathFlag.Name)
-	}
-}
-
 // MakeDatabaseHandles raises out the number of allowed file handles per process
 // for Geth and returns half of the allowance to assign to the database.
 func MakeDatabaseHandles() int {
@@ -1099,7 +1079,6 @@ func SetP2PConfig(ctx *cli.Context, cfg *p2p.Config) {
 // SetNodeConfig applies node-related command line flags to the config.
 func SetNodeConfig(ctx *cli.Context, cfg *node.Config) {
 	SetP2PConfig(ctx, &cfg.P2P)
-	setIPC(ctx, cfg)
 	setHTTP(ctx, cfg)
 	setWS(ctx, cfg)
 	setNodeUserIdent(ctx, cfg)

node/config.go

@@ -96,12 +96,6 @@ type Config struct {
 	// USB enables hardware wallet monitoring and connectivity.
 	USB bool `toml:",omitempty"`
 
-	// IPCPath is the requested location to place the IPC endpoint. If the path is
-	// a simple file name, it is placed inside the data directory (or on the root
-	// pipe path on Windows), whereas if it's a resolvable path name (absolute or
-	// relative), then that specific path is enforced. An empty path disables IPC.
-	IPCPath string
-
 	// HTTPHost is the host interface on which to start the HTTP RPC server. If this
 	// field is empty, no HTTP API endpoint will be started.
 	HTTPHost string
@@ -177,31 +171,6 @@ type Config struct {
 	AllowUnprotectedTxs bool `toml:",omitempty"`
 }
 
-// IPCEndpoint resolves an IPC endpoint based on a configured value, taking into
-// account the set data folders as well as the designated platform we're currently
-// running on.
-func (c *Config) IPCEndpoint() string {
-	// Short circuit if IPC has not been enabled
-	if c.IPCPath == "" {
-		return ""
-	}
-	// On windows we can only use plain top-level pipes
-	if runtime.GOOS == "windows" {
-		if strings.HasPrefix(c.IPCPath, `\\.\pipe\`) {
-			return c.IPCPath
-		}
-		return `\\.\pipe\` + c.IPCPath
-	}
-	// Resolve names into the data directory full paths otherwise
-	if filepath.Base(c.IPCPath) == c.IPCPath {
-		if c.DataDir == "" {
-			return filepath.Join(os.TempDir(), c.IPCPath)
-		}
-		return filepath.Join(c.DataDir, c.IPCPath)
-	}
-	return c.IPCPath
-}
-
 // NodeDB returns the path to the discovery node database.
 func (c *Config) NodeDB() string {
 	if c.DataDir == "" {
@@ -210,18 +179,6 @@ func (c *Config) NodeDB() string {
 	return c.ResolvePath(datadirNodeDatabase)
 }
 
-// DefaultIPCEndpoint returns the IPC path used by default.
-func DefaultIPCEndpoint(clientIdentifier string) string {
-	if clientIdentifier == "" {
-		clientIdentifier = strings.TrimSuffix(filepath.Base(os.Args[0]), ".exe")
-		if clientIdentifier == "" {
-			panic("empty executable name")
-		}
-	}
-	config := &Config{DataDir: DefaultDataDir(), IPCPath: clientIdentifier + ".ipc"}
-	return config.IPCEndpoint()
-}
-
 // HTTPEndpoint resolves an HTTP endpoint based on the configured host interface
 // and port parameters.
 func (c *Config) HTTPEndpoint() string {

node/doc.go

@@ -71,7 +71,7 @@ devp2p network has a unique identifier, the node key. The Node instance persists
 across restarts. Node also loads static and trusted node lists and ensures that knowledge
 about other hosts is persisted.
 
-JSON-RPC servers which run HTTP, WebSocket or IPC can be started on a Node. RPC modules
+JSON-RPC servers which run HTTP, WebSocket can be started on a Node. RPC modules
 offered by registered services will be offered on those endpoints. Users can restrict any
 endpoint to a subset of RPC modules. Node itself offers the "debug", "admin" and "web3"
 modules.
@@ -114,14 +114,12 @@ directory. Node instance A opens the database "db", node instance B opens the da
             nodekey            -- devp2p node key of instance A
             nodes/             -- devp2p discovery knowledge database of instance A
             db/                -- LevelDB content for "db"
-        A.ipc                  -- JSON-RPC UNIX domain socket endpoint of instance A
         B/
             nodekey            -- devp2p node key of node B
             nodes/             -- devp2p discovery knowledge database of instance B
             static-nodes.json  -- devp2p static node list of instance B
             db/                -- LevelDB content for "db"
             db-2/              -- LevelDB content for "db-2"
-        B.ipc                  -- JSON-RPC UNIX domain socket endpoint of instance B
         keystore/              -- account key store, used by both instances
 */
 package node

node/node.go

@@ -54,7 +54,6 @@ type Node struct {
 	rpcAPIs       []rpc.API   // List of APIs currently provided by the node
 	http          *httpServer //
 	ws            *httpServer //
-	ipc           *ipcServer  // Stores information about the ipc http server
 	inprocHandler *rpc.Server // In-process RPC request handler to process the API requests
 
 	databases map[*closeTrackingDB]struct{} // All open databases
@@ -91,9 +90,6 @@ func New(conf *Config) (*Node, error) {
 	if conf.Name == datadirDefaultKeyStore {
 		return nil, errors.New(`Config.Name cannot be "` + datadirDefaultKeyStore + `"`)
 	}
-	if strings.HasSuffix(conf.Name, ".ipc") {
-		return nil, errors.New(`Config.Name cannot end in ".ipc"`)
-	}
 
 	node := &Node{
 		config:        conf,
@@ -146,7 +142,6 @@ func New(conf *Config) (*Node, error) {
 	// Configure RPC servers.
 	node.http = newHTTPServer(node.log, conf.HTTPTimeouts)
 	node.ws = newHTTPServer(node.log, rpc.DefaultHTTPTimeouts)
-	node.ipc = newIPCServer(node.log, conf.IPCEndpoint())
 
 	return node, nil
 }
@@ -341,13 +336,6 @@ func (n *Node) startRPC() error {
 		return err
 	}
 
-	// Configure IPC.
-	if n.ipc.endpoint != "" {
-		if err := n.ipc.start(n.rpcAPIs); err != nil {
-			return err
-		}
-	}
-
 	// Configure HTTP.
 	if n.config.HTTPHost != "" {
 		config := httpConfig{
@@ -396,7 +384,6 @@ func (n *Node) wsServerForPort(port int) *httpServer {
 func (n *Node) stopRPC() {
 	n.http.stop()
 	n.ws.stop()
-	n.ipc.stop()
 	n.stopInProc()
 }
 
@@ -519,11 +506,6 @@ func (n *Node) AccountManager() *accounts.Manager {
 	return n.accman
 }
 
-// IPCEndpoint retrieves the current IPC endpoint used by the protocol stack.
-func (n *Node) IPCEndpoint() string {
-	return n.ipc.endpoint
-}
-
 // HTTPEndpoint returns the URL of the HTTP server. Note that this URL does not
 // contain the JSON-RPC path prefix set by HTTPPathPrefix.
 func (n *Node) HTTPEndpoint() string {

node/rpcstack.go

@@ -470,51 +470,6 @@ func newGzipHandler(next http.Handler) http.Handler {
 	})
 }
 
-type ipcServer struct {
-	log      log.Logger
-	endpoint string
-
-	mu       sync.Mutex
-	listener net.Listener
-	srv      *rpc.Server
-}
-
-func newIPCServer(log log.Logger, endpoint string) *ipcServer {
-	return &ipcServer{log: log, endpoint: endpoint}
-}
-
-// Start starts the httpServer's http.Server
-func (is *ipcServer) start(apis []rpc.API) error {
-	is.mu.Lock()
-	defer is.mu.Unlock()
-
-	if is.listener != nil {
-		return nil // already running
-	}
-	listener, srv, err := rpc.StartIPCEndpoint(is.endpoint, apis)
-	if err != nil {
-		is.log.Warn("IPC opening failed", "url", is.endpoint, "error", err)
-		return err
-	}
-	is.log.Info("IPC endpoint opened", "url", is.endpoint)
-	is.listener, is.srv = listener, srv
-	return nil
-}
-
-func (is *ipcServer) stop() error {
-	is.mu.Lock()
-	defer is.mu.Unlock()
-
-	if is.listener == nil {
-		return nil // not running
-	}
-	err := is.listener.Close()
-	is.srv.Stop()
-	is.listener, is.srv = nil, nil
-	is.log.Info("IPC endpoint closed", "url", is.endpoint)
-	return err
-}
-
 // RegisterApis checks the given modules' availability, generates an allowlist based on the allowed modules,
 // and then registers all of the APIs exposed by the services.
 func RegisterApis(apis []rpc.API, modules []string, srv *rpc.Server, exposeAll bool) error {

rpc/client.go

@@ -153,7 +153,7 @@ func (op *requestOp) wait(ctx context.Context, c *Client) (*jsonrpcMessage, erro
 // The currently supported URL schemes are "http", "https", "ws" and "wss". If rawurl is a
 // file name with no URL scheme, a local socket connection is established using UNIX
 // domain sockets on supported platforms and named pipes on Windows. If you want to
-// configure transport options, use DialHTTP, DialWebsocket or DialIPC instead.
+// configure transport options, use DialHTTP, DialWebsocket.
 //
 // For websocket connections, the origin is set to the local host name.
 //
@@ -178,8 +178,6 @@ func DialContext(ctx context.Context, rawurl string) (*Client, error) {
 		return DialWebsocket(ctx, rawurl, "")
 	case "stdio":
 		return DialStdIO(ctx)
-	case "":
-		return DialIPC(ctx, rawurl)
 	default:
 		return nil, fmt.Errorf("no known transport for URL scheme %q", u.Scheme)
 	}