ffi(nostr): add tag_kind_to_string func

Closes #577

Signed-off-by: Yuki Kishimoto <[email protected]>

CHANGELOG.md

@@ -42,6 +42,7 @@
 * relay-builder: add min POW difficulty option to `RelayBuilder` ([Yuki Kishimoto])
 * pool: add `RelayPool::force_remove_relay` method ([Yuki Kishimoto])
 * zapper: add `WebLNZapper` struct (moved from `nostr-webln` crate) ([Yuki Kishimoto])
+* ffi(nostr): add `tag_kind_to_string` func ([Yuki Kishimoto])
 * book: add some examples ([RydalWater])
 
 ### Fixed

bindings/nostr-ffi/src/event/tag.rs

@@ -234,6 +234,13 @@ impl<'a> From<TagKind> for tag::TagKind<'a> {
     }
 }
 
+/// Convert tag kind to string
+#[uniffi::export]
+pub fn tag_kind_to_string(kind: TagKind) -> String {
+    let kind: tag::TagKind<'_> = kind.into();
+    kind.to_string()
+}
+
 /// Tag
 #[derive(Debug, PartialEq, Eq, Hash, Object)]
 #[uniffi::export(Debug, Eq, Hash)]

bindings/nostr-ffi/tests/test_to_string.py

@@ -3,3 +3,6 @@
 addr = "30023:aa4fc8665f5696e33db7e1a572e3b0f5b3d615837b0f362dcb1c8068b098c7b4:ipsum"
 coordinate = Coordinate.parse(addr)
 assert addr == coordinate.__str__()
+
+t_kind = TagKind.NONCE()
+assert tag_kind_to_string(t_kind) == "nonce"