use xhex everywhere.

types.go

@@ -1,10 +1,11 @@
 package nostr
 
 import (
-	"encoding/hex"
 	stdjson "encoding/json"
 	"fmt"
 	"unsafe"
+
+	"github.com/templexxx/xhex"
 )
 
 // RelayEvent represents an event received from a specific relay.
@@ -24,11 +25,11 @@ var (
 )
 
 func (id ID) String() string { return "id::" + id.Hex() }
-func (id ID) Hex() string    { return hex.EncodeToString(id[:]) }
+func (id ID) Hex() string    { return HexEncodeToString(id[:]) }
 
 func (id ID) MarshalJSON() ([]byte, error) {
 	res := make([]byte, 66)
-	hex.Encode(res[1:], id[:])
+	xhex.Encode(res[1:], id[:])
 	res[0] = '"'
 	res[65] = '"'
 	return res, nil
@@ -36,9 +37,9 @@ func (id ID) MarshalJSON() ([]byte, error) {
 
 func (id *ID) UnmarshalJSON(buf []byte) error {
 	if len(buf) != 66 {
-		return fmt.Errorf("must be a hex string of 64 characters")
+		return fmt.Errorf("must be a quoted hex string of 64 characters")
 	}
-	_, err := hex.Decode(id[:], buf[1:65])
+	err := xhex.Decode(id[:], buf[1:65])
 	return err
 }
 
@@ -48,7 +49,7 @@ func IDFromHex(idh string) (ID, error) {
 	if len(idh) != 64 {
 		return id, fmt.Errorf("pubkey should be 64-char hex, got '%s'", idh)
 	}
-	if _, err := hex.Decode(id[:], unsafe.Slice(unsafe.StringData(idh), 64)); err != nil {
+	if err := xhex.Decode(id[:], unsafe.Slice(unsafe.StringData(idh), 64)); err != nil {
 		return id, fmt.Errorf("'%s' is not valid hex: %w", idh, err)
 	}
 
@@ -57,7 +58,7 @@ func IDFromHex(idh string) (ID, error) {
 
 func MustIDFromHex(idh string) ID {
 	id := ID{}
-	if _, err := hex.Decode(id[:], unsafe.Slice(unsafe.StringData(idh), 64)); err != nil {
+	if err := xhex.Decode(id[:], unsafe.Slice(unsafe.StringData(idh), 64)); err != nil {
 		panic(err)
 	}
 	return id