From 9368368b878c637cf775d3d9e95063759c1f69b1 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Thu, 6 Feb 2020 22:13:50 +0100
Subject: [PATCH] node: expose config in service context

---
 node/node.go    |  2 +-
 node/service.go | 20 ++++++++++----------
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/node/node.go b/node/node.go
index c9c27d8262..1bdd5af7d2 100644
--- a/node/node.go
+++ b/node/node.go
@@ -194,7 +194,7 @@ func (n *Node) Start() error {
 	for _, constructor := range n.serviceFuncs {
 		// Create a new context for the particular service
 		ctx := &ServiceContext{
-			config:         n.config,
+			Config:         *n.config,
 			services:       make(map[reflect.Type]Service),
 			EventMux:       n.eventmux,
 			AccountManager: n.accman,
diff --git a/node/service.go b/node/service.go
index 4dea00995c..ef5b995e4b 100644
--- a/node/service.go
+++ b/node/service.go
@@ -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