feat: make the code works on Windows.

.gitignore

@@ -15,6 +15,7 @@ vendor
 .bak
 .idea/
 .vscode/
+.fleet/
 /celestia
 /cel-shed
 /cel-key

build.ps1

@@ -0,0 +1,6 @@
+del -Recurse -Force .\build\*
+gofmt -e -s -w .
+go mod tidy
+$LDFLAGS="-ldflags=-X 'main.buildTime=$(date)' -X 'main.lastCommit=$(git rev-parse HEAD)' -X 'main.semanticVersion=$(git describe --tags --dirty=-dev)'"
+go build -o build/ ${LDFLAGS} ./cmd/celestia
+go build -o build/ ./cmd/cel-key

go.mod

@@ -18,6 +18,7 @@ require (
 	github.com/cosmos/cosmos-sdk v0.46.14
 	github.com/cosmos/cosmos-sdk/api v0.1.0
 	github.com/cristalhq/jwt v1.2.0
+	github.com/danjacques/gofslock v0.0.0-20230227034627-eebdc482a3f5
 	github.com/etclabscore/go-openrpc-reflect v0.0.37
 	github.com/filecoin-project/dagstore v0.5.6
 	github.com/filecoin-project/go-jsonrpc v0.3.1
@@ -69,6 +70,7 @@ require (
 	golang.org/x/crypto v0.14.0
 	golang.org/x/exp v0.0.0-20230817173708-d852ddb80c63
 	golang.org/x/sync v0.4.0
+	golang.org/x/sys v0.13.0
 	golang.org/x/text v0.13.0
 	google.golang.org/grpc v1.58.2
 	google.golang.org/protobuf v1.31.0
@@ -324,7 +326,6 @@ require (
 	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/net v0.14.0 // indirect
 	golang.org/x/oauth2 v0.10.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
 	golang.org/x/term v0.13.0 // indirect
 	golang.org/x/tools v0.12.1-0.20230815132531-74c255bcf846 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect

go.sum

@@ -517,6 +517,8 @@ github.com/cskr/pubsub v1.0.2/go.mod h1:/8MzYXk/NJAz782G8RPkFzXTZVu63VotefPnR9TI
 github.com/cyberdelia/templates v0.0.0-20141128023046-ca7fffd4298c/go.mod h1:GyV+0YP4qX0UQ7r2MoYZ+AvYDp12OF5yg4q8rGnyNh4=
 github.com/danieljoos/wincred v1.1.2 h1:QLdCxFs1/Yl4zduvBdcHB8goaYk9RARS2SgLLRuAyr0=
 github.com/danieljoos/wincred v1.1.2/go.mod h1:GijpziifJoIBfYh+S7BbkdUTU4LfM+QnGqR5Vl2tAx0=
+github.com/danjacques/gofslock v0.0.0-20230227034627-eebdc482a3f5 h1:/KFLY9ggaJT/mANX95q8ByhRR+9A3gWFrTz6ifkhOV8=
+github.com/danjacques/gofslock v0.0.0-20230227034627-eebdc482a3f5/go.mod h1:9LABMmUSkKzt6FVQNEWdUTM0bz8Bt8MPyEcuZe0Sr8c=
 github.com/dave/jennifer v1.2.0/go.mod h1:fIb+770HOpJ2fmN9EPPKOqm1vMGhB+TwXKMZhrIygKg=
 github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

libs/keystore/fs_keystore.go

@@ -59,7 +59,7 @@ func (f *fsKeystore) Put(n KeyName, pk PrivKey) error {
 func (f *fsKeystore) Get(n KeyName) (PrivKey, error) {
 	path := f.pathTo(n.Base32())
 
-	st, err := os.Stat(path)
+	_, err := os.Stat(path)
 	if err != nil {
 		if os.IsNotExist(err) {
 			return PrivKey{}, fmt.Errorf("%w: %s", ErrNotFound, n)
@@ -68,7 +68,7 @@ func (f *fsKeystore) Get(n KeyName) (PrivKey, error) {
 		return PrivKey{}, fmt.Errorf("keystore: check before reading key '%s' failed: %w", n, err)
 	}
 
-	if err := checkPerms(st.Mode()); err != nil {
+	if err := keyAccess(path); err != nil {
 		return PrivKey{}, fmt.Errorf("keystore: permissions of key '%s' are too relaxed: %w", n, err)
 	}
 
@@ -115,7 +115,7 @@ func (f *fsKeystore) List() ([]KeyName, error) {
 			return nil, err
 		}
 
-		if err := checkPerms(e.Type()); err != nil {
+		if err := keyAccess(f.pathTo(kn.Base32())); err != nil {
 			return nil, fmt.Errorf("keystore: permissions of key '%s' are too relaxed: %w", kn, err)
 		}
 
@@ -136,10 +136,3 @@ func (f *fsKeystore) Keyring() keyring.Keyring {
 func (f *fsKeystore) pathTo(file string) string {
 	return filepath.Join(f.path, file)
 }
-
-func checkPerms(perms os.FileMode) error {
-	if perms&0077 != 0 {
-		return fmt.Errorf("required: 0600, got: %#o", perms)
-	}
-	return nil
-}

libs/keystore/key_access_unix.go

@@ -0,0 +1,19 @@
+//go:build darwin || freebsd || linux
+
+package keystore
+
+import (
+	"fmt"
+	"os"
+)
+
+// keyAccess checks whether file is not accessible by all users.
+func keyAccess(path string) error {
+	st, _ := os.Stat(path)
+	mode := st.Mode()
+	if mode&0077 != 0 {
+		return fmt.Errorf("required: 0600, got: %#o", mode)
+	}
+
+	return nil
+}

libs/keystore/key_access_win.go

@@ -0,0 +1,30 @@
+//go:build windows
+
+package keystore
+
+import (
+	"fmt"
+	"golang.org/x/sys/windows"
+	"unsafe"
+)
+
+// keyAccess checks whether file is not accessible by all users.
+func keyAccess(path string) error {
+
+	// Check the file's DACL
+	securityDescriptor, err := windows.GetNamedSecurityInfo(path, windows.SE_FILE_OBJECT, windows.DACL_SECURITY_INFORMATION)
+	if err != nil {
+		return fmt.Errorf("Error getting file's DACL: %v\n", err)
+	}
+	defer func() {
+		if err != nil {
+			_, _ = windows.LocalFree((windows.Handle)(unsafe.Pointer(securityDescriptor)))
+		}
+	}()
+	_, _, err = securityDescriptor.DACL()
+	if err != nil {
+		return fmt.Errorf("File is too Open with no DACL: %v\n", err)
+	}
+
+	return nil
+}

nodebuilder/config.go

@@ -7,7 +7,6 @@ import (
 	"github.com/BurntSushi/toml"
 	"github.com/imdario/mergo"
 
-	"github.com/celestiaorg/celestia-node/libs/fslock"
 	"github.com/celestiaorg/celestia-node/nodebuilder/core"
 	"github.com/celestiaorg/celestia-node/nodebuilder/das"
 	"github.com/celestiaorg/celestia-node/nodebuilder/gateway"
@@ -17,6 +16,8 @@ import (
 	"github.com/celestiaorg/celestia-node/nodebuilder/rpc"
 	"github.com/celestiaorg/celestia-node/nodebuilder/share"
 	"github.com/celestiaorg/celestia-node/nodebuilder/state"
+
+	"github.com/danjacques/gofslock/fslock"
 )
 
 // ConfigLoader defines a function that loads a config from any source.
@@ -67,7 +68,7 @@ func SaveConfig(path string, cfg *Config) error {
 	if err != nil {
 		return err
 	}
-	defer f.Close()
+	defer f.Close() //nolint: errcheck
 
 	return cfg.Encode(f)
 }
@@ -93,7 +94,7 @@ func RemoveConfig(path string) (err error) {
 
 	flock, err := fslock.Lock(lockPath(path))
 	if err != nil {
-		if err == fslock.ErrLocked {
+		if err == fslock.ErrLockHeld {
 			err = ErrOpened
 		}
 		return
@@ -119,7 +120,7 @@ func UpdateConfig(tp node.Type, path string) (err error) {
 
 	flock, err := fslock.Lock(lockPath(path))
 	if err != nil {
-		if err == fslock.ErrLocked {
+		if err == fslock.ErrLockHeld {
 			err = ErrOpened
 		}
 		return err

nodebuilder/init.go

@@ -12,10 +12,11 @@ import (
 	"github.com/celestiaorg/celestia-app/app"
 	"github.com/celestiaorg/celestia-app/app/encoding"
 
-	"github.com/celestiaorg/celestia-node/libs/fslock"
 	"github.com/celestiaorg/celestia-node/libs/utils"
 	"github.com/celestiaorg/celestia-node/nodebuilder/node"
 	"github.com/celestiaorg/celestia-node/nodebuilder/state"
+
+	"github.com/danjacques/gofslock/fslock"
 )
 
 // PrintKeyringInfo whether to print keyring information during init.
@@ -37,7 +38,7 @@ func Init(cfg Config, path string, tp node.Type) error {
 
 	flock, err := fslock.Lock(lockPath(path))
 	if err != nil {
-		if err == fslock.ErrLocked {
+		if err == fslock.ErrLockHeld {
 			return ErrOpened
 		}
 		return err
@@ -84,7 +85,7 @@ func Reset(path string, tp node.Type) error {
 
 	flock, err := fslock.Lock(lockPath(path))
 	if err != nil {
-		if err == fslock.ErrLocked {
+		if err == fslock.ErrLockHeld {
 			return ErrOpened
 		}
 		return err