Adding an example of how to register a user and adding new metadata

vault endpoints functions

1 files changed, 2 insertions, 0 deletions

diff --git a/lockchain-core/src/traits.rs b/lockchain-core/src/traits.rs
index 4e66d8f..088ee84 100644
--- a/lockchain-core/src/traits.rs
+++ b/lockchain-core/src/traits.rs
@@ -148,6 +148,8 @@ where
     fn meta_set(&mut self, domain: &str, name: &str, data: Payload) -> Option<()>;
     /// Get the value of a (unique) field inside a domain
     fn meta_get(&mut self, domain: &str, name: &str) -> Option<Payload>;
+    /// Check if a metadomain exists, regardless of data or depth
+    fn meta_exists(&self, domain: &str) -> bool;
 }
 
 /// Auto-implement this trait to serialise types to json