perf: using ECDSA to generate node id

core/node/builder.go

@@ -5,9 +5,9 @@ import (
  "crypto/rand"
  "encoding/base64"
  "errors"
- "net/http"
- "io/ioutil"
  "fmt"
+ "io/ioutil"
+ "net/http"
 
  "go.uber.org/fx"
 
@@ -119,7 +119,7 @@ func (cfg *BuildCfg) options(ctx context.Context) (fx.Option, *cfg.Config) {
 
  address, err := externalIP()
  if err == nil {
- if ! contains(conf.Addresses.Announce, address) {
+ if !contains(conf.Addresses.Announce, address) {
  conf.Addresses.Announce = append(conf.Addresses.Announce, address)
  cfg.Repo.SetConfig(conf)
  }
@@ -134,12 +134,12 @@ func (cfg *BuildCfg) options(ctx context.Context) (fx.Option, *cfg.Config) {
 }
 
 func contains(s []string, e string) bool {
- for _, a := range s {
- if a == e {
- return true
- }
- }
- return false
+ for _, a := range s {
+ if a == e {
+ return true
+ }
+ }
+ return false
 }
 
 func externalIP() (string, error) {
@@ -164,7 +164,7 @@ func externalIP() (string, error) {
 
 func defaultRepo(dstore repo.Datastore) (repo.Repo, error) {
  c := cfg.Config{}
- priv, pub, err := ci.GenerateKeyPairWithReader(ci.RSA, 1024, rand.Reader)
+ priv, pub, err := ci.GenerateKeyPairWithReader(ci.ECDSA, 1024, rand.Reader)
  if err != nil {
  return nil, err
  }

patches/go-ipfs-config-v0.0.3-init.go.patch

@@ -1,13 +1,39 @@
---- [email protected]/init.go 2019-06-10 11:17:01.000000000 -0700
-+++ /tmp/go-ipfs-config/init.go 2019-06-10 15:52:58.000000000 -0700
-@@ -49,8 +49,8 @@
+--- /Users/tron/work/go/pkg/mod/github.com/ipfs/[email protected]/init.go 2019-06-27 12:07:43.000000000 +0800
++++ init.go 2019-06-27 12:17:17.000000000 +0800
+@@ -6,6 +6,7 @@
+ "fmt"
+ "io"
+ "time"
++ "os"
 
- // setup the node mount points.
- Mounts: Mounts{
-- IPFS: "/ipfs",
-- IPNS: "/ipns",
-+ IPFS: "/btfs",
-+ IPNS: "/btns",
- },
+ ci "github.com/libp2p/go-libp2p-crypto"
+ peer "github.com/libp2p/go-libp2p-peer"
+@@ -156,10 +157,24 @@
+ return ident, errors.New("bitsize less than 1024 is considered unsafe")
+ }
+
+- fmt.Fprintf(out, "generating %v-bit RSA keypair...", nbits)
+- sk, pk, err := ci.GenerateKeyPair(ci.RSA, nbits)
+- if err != nil {
+- return ident, err
++ var (
++ sk ci.PrivKey
++ pk ci.PubKey
++ err error
++ )
++ 
++ if os.Getenv("RSA_FLG") == "TRUE" {
++ fmt.Fprintf(out, "generating %v-bit RSA keypair...", nbits)
++ sk, pk, err = ci.GenerateKeyPair(ci.ECDSA, nbits)
++ if err != nil {
++ return ident, err
++ }
++ } else {
++ fmt.Fprintf(out, "generating %v-bit ECDSA keypair...", nbits)
++ sk, pk, err = ci.GenerateKeyPair(ci.ECDSA, nbits)
++ if err != nil {
++ return ident, err
++ }
+ }
+ fmt.Fprintf(out, "done\n")
 
- Ipns: Ipns{

patching.sh

@@ -68,4 +68,11 @@ patchdir=$GOPATH/pkg/mod/github.com/ipfs/[email protected]
 chmod -R 777 $patchdir
 if ! patch -R -s -f --dry-run $patchdir/record.go < ./patches/go-ipns-v.0.0.1-record.go.patch 1>/dev/null; then
  patch $patchdir/record.go < ./patches/go-ipns-v.0.0.1-record.go.patch;
+fi
+
+# patching $GOPATH/pkg/mod/github.com/ipfs/[email protected]
+patchdir=$GOPATH/pkg/mod/github.com/ipfs/[email protected]
+chmod -R 777 $patchdir
+if ! patch -R -s -f --dry-run $patchdir/init.go < ./patches/go-ipfs-config-v0.0.3-init.go.patch 1>/dev/null; then
+ patch $patchdir/init.go < ./patches/go-ipfs-config-v0.0.3-init.go.patch;
 fi