fix nip19 bech32 encoding and decoding.

nip19/utils.go

@@ -0,0 +1,17 @@
+package nip19
+
+import (
+	"encoding/hex"
+	"strings"
+)
+
+// TranslatePublicKey turns a hex or bech32 public key into always hex
+func TranslatePublicKey(bech32orHexKey string) string {
+	if strings.HasPrefix(bech32orHexKey, "npub1") {
+		data, _, _ := Decode(bech32orHexKey)
+		return hex.EncodeToString(data)
+	}
+
+	// just return what we got
+	return bech32orHexKey
+}