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cmd/geth: add --config file flag (#13875)

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* p2p/discover, p2p/discv5: add marshaling methods to Node

* p2p/netutil: make Netlist decodable from TOML

* common/math: encode nil HexOrDecimal256 as 0x0

* cmd/geth: add --config file flag

* cmd/geth: add missing license header

* eth: prettify Config again, fix tests

* eth: use gasprice.Config instead of duplicating its fields

* eth/gasprice: hide nil default from dumpconfig output

* cmd/geth: hide genesis block in dumpconfig output

* node: make tests compile

* console: fix tests

* cmd/geth: make TOML keys look exactly like Go struct fields

* p2p: use discovery by default

This makes the zero Config slightly more useful. It also fixes package
node tests because Node detects reuse of the datadir through the
NodeDatabase.

* cmd/geth: make ethstats URL settable through config file

* cmd/faucet: fix configuration

* cmd/geth: dedup attach tests

* eth: add comment for DefaultConfig

* eth: pass downloader.SyncMode in Config

This removes the FastSync, LightSync flags in favour of a more
general SyncMode flag.

* cmd/utils: remove jitvm flags

* cmd/utils: make mutually exclusive flag error prettier

It now reads:

   Fatal: flags --dev, --testnet can't be used at the same time

* p2p: fix typo

* node: add DefaultConfig, use it for geth

* mobile: add missing NoDiscovery option

* cmd/utils: drop MakeNode

This exposed a couple of places that needed to be updated to use
node.DefaultConfig.

* node: fix typo

* eth: make fast sync the default mode

* cmd/utils: remove IPCApiFlag (unused)

* node: remove default IPC path

Set it in the frontends instead.

* cmd/geth: add --syncmode

* cmd/utils: make --ipcdisable and --ipcpath mutually exclusive

* cmd/utils: don't enable WS, HTTP when setting addr

* cmd/utils: fix --identity
This commit is contained in:
Felix Lange
2017-04-12 16:27:23 +02:00
committed by Péter Szilágyi
parent b57680b0b2
commit 30d706c35e
55 changed files with 6620 additions and 653 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
node/config.go
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@@ -20,7 +20,6 @@ import (
"crypto/ecdsa"
"fmt"
"io/ioutil"
"net"
"os"
"path/filepath"
"runtime"
@@ -32,10 +31,8 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/p2p/discv5"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/p2p/netutil"
)
var (
@@ -53,14 +50,14 @@ 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 geth is "geth". If no
// value is specified, the basename of the current executable is used.
Name string
Name string `toml:"-"`
// UserIdent, if set, is used as an additional component in the devp2p node identifier.
UserIdent string
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
Version string `toml:"-"`
// DataDir is the file system folder the node should use for any data storage
// requirements. The configured data directory will not be directly shared with
@@ -69,6 +66,9 @@ type Config struct {
// in memory.
DataDir string
// Configuration of peer-to-peer networking.
P2P p2p.Config
// KeyStoreDir is the file system folder that contains private keys. The directory can
// be specified as a relative path, in which case it is resolved relative to the
// current directory.
@@ -76,106 +76,55 @@ type Config struct {
// If KeyStoreDir is empty, the default location is the "keystore" subdirectory of
// DataDir. If DataDir is unspecified and KeyStoreDir is empty, an ephemeral directory
// is created by New and destroyed when the node is stopped.
KeyStoreDir string
KeyStoreDir string `toml:",omitempty"`
// UseLightweightKDF lowers the memory and CPU requirements of the key store
// scrypt KDF at the expense of security.
UseLightweightKDF bool
UseLightweightKDF 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
// This field should be a valid secp256k1 private key that will be used for both
// remote peer identification as well as network traffic encryption. If no key
// is configured, the preset one is loaded from the data dir, generating it if
// needed.
PrivateKey *ecdsa.PrivateKey
// NoDiscovery specifies whether the peer discovery mechanism should be started
// or not. Disabling is usually useful for protocol debugging (manual topology).
NoDiscovery bool
// DiscoveryV5 specifies whether the the new topic-discovery based V5 discovery
// protocol should be started or not.
DiscoveryV5 bool
// Listener address for the V5 discovery protocol UDP traffic.
DiscoveryV5Addr string
// Restrict communication to white listed IP networks.
// The whitelist only applies when non-nil.
NetRestrict *netutil.Netlist
// BootstrapNodes used to establish connectivity with the rest of the network.
BootstrapNodes []*discover.Node
// BootstrapNodesV5 used to establish connectivity with the rest of the network
// using the V5 discovery protocol.
BootstrapNodesV5 []*discv5.Node
// Network interface address on which the node should listen for inbound peers.
ListenAddr string
// If set to a non-nil value, the given NAT port mapper is used to make the
// listening port available to the Internet.
NAT nat.Interface
// If Dialer is set to a non-nil value, the given Dialer is used to dial outbound
// peer connections.
Dialer *net.Dialer
// If NoDial is true, the node will not dial any peers.
NoDial bool
// MaxPeers is the maximum number of peers that can be connected. If this is
// set to zero, then only the configured static and trusted peers can connect.
MaxPeers int
// MaxPendingPeers is the maximum number of peers that can be pending in the
// handshake phase, counted separately for inbound and outbound connections.
// Zero defaults to preset values.
MaxPendingPeers int
IPCPath string `toml:",omitempty"`
// 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
HTTPHost string `toml:",omitempty"`
// 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
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
HTTPCors 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
HTTPModules []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
WSHost string `toml:",omitempty"`
// 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
WSPort int `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
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
WSModules []string `toml:",omitempty"`
}
// IPCEndpoint resolves an IPC endpoint based on a configured value, taking into
@@ -326,8 +275,8 @@ func (c *Config) instanceDir() string {
// data folder. If no key can be found, a new one is generated.
func (c *Config) NodeKey() *ecdsa.PrivateKey {
// Use any specifically configured key.
if c.PrivateKey != nil {
return c.PrivateKey
if c.P2P.PrivateKey != nil {
return c.P2P.PrivateKey
}
// Generate ephemeral key if no datadir is being used.
if c.DataDir == "" {