nodecfg

package
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Published: Dec 15, 2023 License: GPL-3.0 Imports: 17 Imported by: 0

Documentation

Index

Constants

View Source
const (
	DefaultHTTPHost    = "localhost" // Default host interface for the HTTP RPC server
	DefaultHTTPPort    = 8545        // Default TCP port for the HTTP RPC server
	DefaultAuthRpcPort = 8551        // Default TCP port for the Engine API HTTP RPC server
	DefaultWSHost      = "localhost" // Default host interface for the websocket RPC server
	DefaultWSPort      = 8546        // Default TCP port for the websocket RPC server
	DefaultGRPCHost    = "localhost" // Default host interface for the GRPC server
	DefaultGRPCPort    = 8547        // Default TCP port for the GRPC server
	DefaultTCPHost     = "localhost" // default host interrface for TCP RPC server
	DefaultTCPPort     = 8548        // default TCP port for TCP RPC server
)

Variables

View Source
var DefaultConfig = Config{
	Dirs:             datadir.New(paths.DefaultDataDir()),
	HTTPPort:         DefaultHTTPPort,
	HTTPModules:      []string{"net", "web3"},
	HTTPVirtualHosts: []string{"localhost"},
	HTTPTimeouts:     rpccfg.DefaultHTTPTimeouts,
	WSPort:           DefaultWSPort,
	WSModules:        []string{"net", "web3"},
	P2P: p2p.Config{
		ListenAddr:      ":30303",
		ProtocolVersion: []uint{67, 68},
		MaxPeers:        100,
		MaxPendingPeers: 1000,
		NAT:             nat.Any(),
	},
}

DefaultConfig contains reasonable default settings.

Functions

func DefaultHTTPEndpoint

func DefaultHTTPEndpoint() string

DefaultHTTPEndpoint returns the HTTP endpoint used by default.

func DefaultIPCEndpoint

func DefaultIPCEndpoint(clientIdentifier string) string

DefaultIPCEndpoint returns the IPC path used by default.

func DefaultWSEndpoint

func DefaultWSEndpoint() string

DefaultWSEndpoint returns the websocket endpoint used by default.

Types

type Config

type Config struct {
	// Name sets the instance name of the node. It must not contain the / character and is
	// used in the devp2p node identifier. The instance name of Erigon is "erigon". If no
	// value is specified, the basename of the current executable is used.
	Name string `toml:"-"`

	// UserIdent, if set, is used as an additional component in the devp2p node identifier.
	UserIdent string `toml:",omitempty"`

	// Version should be set to the version number of the program. It is used
	// in the devp2p node identifier.
	Version string `toml:"-"`

	// Dirs is the file system folder the node should use for any data storage
	// requirements. The configured data directory will not be directly shared with
	// registered services, instead those can use utility methods to create/access
	// databases or flat files. This enables ephemeral nodes which can fully reside
	// in memory.
	Dirs datadir.Dirs

	// Configuration of peer-to-peer networking.
	P2P p2p.Config

	// 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

	// GraphQLEnabled decides if we enable the GraphQL endpoint or not.
	GraphQLEnabled bool

	// 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

	// HTTPPort is the TCP port number on which to start the HTTP RPC server. The
	// default zero value is/ valid and will pick a port number randomly (useful
	// for ephemeral nodes).
	HTTPPort int `toml:",omitempty"`

	// HTTPCors is the Cross-Origin Resource Sharing header to send to requesting
	// clients. Please be aware that CORS is a browser enforced security, it's fully
	// useless for custom HTTP clients.
	HTTPCors []string `toml:",omitempty"`

	// HTTPVirtualHosts is the list of virtual hostnames which are allowed on incoming requests.
	// This is by default {'localhost'}. Using this prevents attacks like
	// DNS rebinding, which bypasses SOP by simply masquerading as being within the same
	// origin. These attacks do not utilize CORS, since they are not cross-domain.
	// By explicitly checking the Host-header, the server will not allow requests
	// made against the server with a malicious host domain.
	// Requests using ip address directly are not affected
	HTTPVirtualHosts []string `toml:",omitempty"`

	// HTTPModules is a list of API modules to expose via the HTTP RPC interface.
	// If the module list is empty, all RPC API endpoints designated public will be
	// exposed.
	HTTPModules []string

	// HTTPTimeouts allows for customization of the timeout values used by the HTTP RPC
	// interface.
	HTTPTimeouts rpccfg.HTTPTimeouts

	// HTTPPathPrefix specifies a path prefix on which http-rpc is to be served.
	HTTPPathPrefix string `toml:",omitempty"`

	// WSHost is the host interface on which to start the websocket RPC server. If
	// this field is empty, no websocket API endpoint will be started.
	WSHost string

	// WSPort is the TCP port number on which to start the websocket RPC server. The
	// default zero value is/ valid and will pick a port number randomly (useful for
	// ephemeral nodes).
	WSPort int `toml:",omitempty"`

	// WSPathPrefix specifies a path prefix on which ws-rpc is to be served.
	WSPathPrefix string `toml:",omitempty"`

	// WSOrigins is the list of domain to accept websocket requests from. Please be
	// aware that the server can only act upon the HTTP request the client sends and
	// cannot verify the validity of the request header.
	WSOrigins []string `toml:",omitempty"`

	// WSModules is a list of API modules to expose via the websocket RPC interface.
	// If the module list is empty, all RPC API endpoints designated public will be
	// exposed.
	WSModules []string

	// WSExposeAll exposes all API modules via the WebSocket RPC interface rather
	// than just the public ones.
	//
	// *WARNING* Only set this if the node is running in a trusted network, exposing
	// private APIs to untrusted users is a major security risk.
	WSExposeAll bool `toml:",omitempty"`

	// Log is a custom logger to use with the p2p.Server.
	Log log.Logger `toml:",omitempty"`

	DatabaseVerbosity kv.DBVerbosityLvl

	// Address to listen to when launchig listener for remote database access
	// empty string means not to start the listener
	PrivateApiAddr      string
	PrivateApiRateLimit uint32

	SentryLogPeerInfo bool

	TLSConnection bool
	TLSCertFile   string
	// AllowUnprotectedTxs allows non EIP-155 protected transactions to be send over RPC.
	AllowUnprotectedTxs bool `toml:",omitempty"`
	TLSKeyFile          string
	TLSCACert           string

	MdbxPageSize    datasize.ByteSize
	MdbxDBSizeLimit datasize.ByteSize

	// HealthCheck enables standard grpc health check
	HealthCheck bool

	Http httpcfg.HttpCfg
	// contains filtered or unexported fields
}

Config represents a small collection of configuration values to fine tune the P2P network layer of a protocol stack. These values can be further extended by all registered services.

func (*Config) ExtRPCEnabled

func (c *Config) ExtRPCEnabled() bool

ExtRPCEnabled returns the indicator whether node enables the external RPC(http or ws).

func (*Config) HTTPEndpoint

func (c *Config) HTTPEndpoint() string

HTTPEndpoint resolves an HTTP endpoint based on the configured host interface and port parameters.

func (*Config) IPCEndpoint

func (c *Config) IPCEndpoint() string

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 (*Config) NodeDB

func (c *Config) NodeDB() string

NodeDB returns the path to the discovery node database.

func (*Config) NodeName

func (c *Config) NodeName() string

NodeName returns the devp2p node identifier.

func (*Config) ResolvePath

func (c *Config) ResolvePath(path string) string

ResolvePath resolves path in the instance directory.

func (*Config) StaticNodes

func (c *Config) StaticNodes() ([]*enode.Node, error)

StaticNodes returns a list of node enode URLs configured as static nodes.

func (*Config) TrustedNodes

func (c *Config) TrustedNodes() ([]*enode.Node, error)

TrustedNodes returns a list of node enode URLs configured as trusted nodes.

func (*Config) WSEndpoint

func (c *Config) WSEndpoint() string

WSEndpoint resolves a websocket endpoint based on the configured host interface and port parameters.

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