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cmd/geth: enable DNS discovery by default (#20660)

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* node: expose config in service context

* eth: integrate p2p/dnsdisc

* cmd/geth: add some DNS flags

* eth: remove DNS URLs

* cmd/utils: configure DNS names for testnets

* params: update DNS URLs

* cmd/geth: configure mainnet DNS

* cmd/utils: rename DNS flag and fix flag processing

* cmd/utils: remove debug print

* node: fix test
This commit is contained in:
Felix Lange
2020-02-13 14:38:30 +01:00
committed by GitHub
parent eddcecc160
commit 38d1b0cba2
11 changed files with 104 additions and 19 deletions
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20
node/service.go
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@ -32,20 +32,20 @@ import (
// the protocol stack, that is passed to all constructors to be optionally used;
// as well as utility methods to operate on the service environment.
type ServiceContext struct {
config *Config
services map[reflect.Type]Service // Index of the already constructed services
EventMux *event.TypeMux // Event multiplexer used for decoupled notifications
AccountManager *accounts.Manager // Account manager created by the node.
Config Config
EventMux *event.TypeMux // Event multiplexer used for decoupled notifications
AccountManager *accounts.Manager // Account manager created by the node.
}
// OpenDatabase opens an existing database with the given name (or creates one
// if no previous can be found) from within the node's data directory. If the
// node is an ephemeral one, a memory database is returned.
func (ctx *ServiceContext) OpenDatabase(name string, cache int, handles int, namespace string) (ethdb.Database, error) {
if ctx.config.DataDir == "" {
if ctx.Config.DataDir == "" {
return rawdb.NewMemoryDatabase(), nil
}
return rawdb.NewLevelDBDatabase(ctx.config.ResolvePath(name), cache, handles, namespace)
return rawdb.NewLevelDBDatabase(ctx.Config.ResolvePath(name), cache, handles, namespace)
}
// OpenDatabaseWithFreezer opens an existing database with the given name (or
@ -54,16 +54,16 @@ func (ctx *ServiceContext) OpenDatabase(name string, cache int, handles int, nam
// database to immutable append-only files. If the node is an ephemeral one, a
// memory database is returned.
func (ctx *ServiceContext) OpenDatabaseWithFreezer(name string, cache int, handles int, freezer string, namespace string) (ethdb.Database, error) {
if ctx.config.DataDir == "" {
if ctx.Config.DataDir == "" {
return rawdb.NewMemoryDatabase(), nil
}
root := ctx.config.ResolvePath(name)
root := ctx.Config.ResolvePath(name)
switch {
case freezer == "":
freezer = filepath.Join(root, "ancient")
case !filepath.IsAbs(freezer):
freezer = ctx.config.ResolvePath(freezer)
freezer = ctx.Config.ResolvePath(freezer)
}
return rawdb.NewLevelDBDatabaseWithFreezer(root, cache, handles, freezer, namespace)
}
@ -72,7 +72,7 @@ func (ctx *ServiceContext) OpenDatabaseWithFreezer(name string, cache int, handl
// and if the user actually uses persistent storage. It will return an empty string
// for emphemeral storage and the user's own input for absolute paths.
func (ctx *ServiceContext) ResolvePath(path string) string {
return ctx.config.ResolvePath(path)
return ctx.Config.ResolvePath(path)
}
// Service retrieves a currently running service registered of a specific type.
@ -88,7 +88,7 @@ func (ctx *ServiceContext) Service(service interface{}) error {
// ExtRPCEnabled returns the indicator whether node enables the external
// RPC(http, ws or graphql).
func (ctx *ServiceContext) ExtRPCEnabled() bool {
return ctx.config.ExtRPCEnabled()
return ctx.Config.ExtRPCEnabled()
}
// ServiceConstructor is the function signature of the constructors needed to be