feat: add mint_icon_url to mint details. (#282)

bindings/cdk-js/src/nuts/nut06.rs

@@ -77,6 +77,7 @@ impl JsMintInfo {
         description_long: Option<String>,
         contact: Option<Vec<JsContactInfo>>,
         nuts: JsValue,
+        mint_icon_url: Option<String>,
         motd: Option<String>,
     ) -> Result<JsMintInfo> {
         Ok(JsMintInfo {
@@ -89,6 +90,7 @@ impl JsMintInfo {
                 contact: contact
                     .map(|contacts| contacts.iter().map(|c| c.deref().clone()).collect()),
                 nuts: serde_wasm_bindgen::from_value(nuts).map_err(into_err)?,
+                mint_icon_url,
                 motd,
             },
         })
@@ -139,6 +141,12 @@ impl JsMintInfo {
         serde_wasm_bindgen::to_value(&self.inner.nuts).map_err(into_err)
     }
 
+    /// Get mint icon url
+    #[wasm_bindgen(getter)]
+    pub fn mint_icon_url(&self) -> Option<String> {
+        self.inner.mint_icon_url.clone()
+    }
+
     /// Get motd
     #[wasm_bindgen(getter)]
     pub fn motd(&self) -> Option<String> {

crates/cdk-mintd/example.config.toml

@@ -14,6 +14,7 @@ mnemonic = ""
 # description = "These are not real sats for testing only"
 # description_long = "A longer mint for testing"
 # motd = "Hello world"
+# mint_icon_url = "https://this-is-a-mint-icon-url.com/icon.png"
 # contact_email = "hello@cashu.me"
 # Nostr pubkey of mint (Hex)
 # contact_nostr_public_key = ""

crates/cdk-mintd/src/config.rs

@@ -92,6 +92,8 @@ pub struct MintInfo {
     pub description: String,
     /// long description
     pub description_long: Option<String>,
+    /// url to the mint icon
+    pub mint_icon_url: Option<String>,
     /// message of the day that the wallet must display to the user
     pub motd: Option<String>,
     /// Nostr publickey

crates/cdk-mintd/src/main.rs

@@ -286,6 +286,10 @@ async fn main() -> anyhow::Result<()> {
         mint_info = mint_info.pubkey(pubkey);
     }
 
+    if let Some(mint_icon_url) = &settings.mint_info.mint_icon_url {
+        mint_info = mint_info.mint_icon_url(mint_icon_url);
+    }
+
     if let Some(motd) = settings.mint_info.motd {
         mint_info = mint_info.motd(motd);
     }

crates/cdk-sqlite/src/wallet/migrations/20240810214105_mint_icon_url.sql

@@ -0,0 +1 @@
+ALTER TABLE mint ADD mint_icon_url TEXT;

crates/cdk-sqlite/src/wallet/mod.rs

@@ -65,7 +65,7 @@ impl WalletDatabase for WalletSqliteDatabase {
         mint_url: UncheckedUrl,
         mint_info: Option<MintInfo>,
     ) -> Result<(), Self::Err> {
-        let (name, pubkey, version, description, description_long, contact, nuts, motd) =
+        let (name, pubkey, version, description, description_long, contact, nuts, mint_icon_url, motd) =
             match mint_info {
                 Some(mint_info) => {
                     let MintInfo {
@@ -76,6 +76,7 @@ impl WalletDatabase for WalletSqliteDatabase {
                         description_long,
                         contact,
                         nuts,
+                        mint_icon_url,
                         motd,
                     } = mint_info;
 
@@ -87,17 +88,18 @@ impl WalletDatabase for WalletSqliteDatabase {
                         description_long,
                         contact.map(|c| serde_json::to_string(&c).ok()),
                         serde_json::to_string(&nuts).ok(),
+                        mint_icon_url,
                         motd,
                     )
                 }
-                None => (None, None, None, None, None, None, None, None),
+                None => (None, None, None, None, None, None, None, None, None),
             };
 
         sqlx::query(
             r#"
 INSERT OR REPLACE INTO mint
-(mint_url, name, pubkey, version, description, description_long, contact, nuts, motd)
-VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?);
+(mint_url, name, pubkey, version, description, description_long, contact, nuts, mint_icon_url, motd)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?);
         "#,
         )
         .bind(mint_url.to_string())
@@ -108,6 +110,7 @@ VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?);
         .bind(description_long)
         .bind(contact)
         .bind(nuts)
+        .bind(mint_icon_url)
         .bind(motd)
         .execute(&self.pool)
         .await
@@ -727,6 +730,7 @@ fn sqlite_row_to_mint_info(row: &SqliteRow) -> Result<MintInfo, Error> {
     let description_long: Option<String> = row.try_get("description_long").map_err(Error::from)?;
     let row_contact: Option<String> = row.try_get("contact").map_err(Error::from)?;
     let row_nuts: Option<String> = row.try_get("nuts").map_err(Error::from)?;
+    let mint_icon_url: Option<String> = row.try_get("mint_icon_url").map_err(Error::from)?;
     let motd: Option<String> = row.try_get("motd").map_err(Error::from)?;
 
     Ok(MintInfo {
@@ -739,6 +743,7 @@ fn sqlite_row_to_mint_info(row: &SqliteRow) -> Result<MintInfo, Error> {
         nuts: row_nuts
             .and_then(|n| serde_json::from_str(&n).ok())
             .unwrap_or_default(),
+        mint_icon_url,
         motd,
     })
 }

crates/cdk/src/nuts/nut06.rs

@@ -73,6 +73,9 @@ pub struct MintInfo {
     pub contact: Option<Vec<ContactInfo>>,
     /// shows which NUTs the mint supports
     pub nuts: Nuts,
+    /// Mint's icon URL
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub mint_icon_url: Option<String>,
     /// message of the day that the wallet must display to the user
     #[serde(skip_serializing_if = "Option::is_none")]
     pub motd: Option<String>,
@@ -146,6 +149,17 @@ impl MintInfo {
         Self { nuts, ..self }
     }
 
+    /// Set mint icon url
+    pub fn mint_icon_url<S>(self, mint_icon_url: S) -> Self
+    where
+        S: Into<String>,
+    {
+        Self {
+            mint_icon_url: Some(mint_icon_url.into()),
+            ..self
+        }
+    }
+
     /// Set motd
     pub fn motd<S>(self, motd: S) -> Self
     where
@@ -389,6 +403,7 @@ mod tests {
     }
   ],
   "motd": "Message to display to users.",
+  "mint_icon_url": "https://this-is-a-mint-icon-url.com/icon.png",
   "nuts": {
     "4": {
       "methods": [
@@ -431,6 +446,7 @@ mod tests {
         ["email", "contact@me.com"]
   ],
   "motd": "Message to display to users.",
+  "mint_icon_url": "https://this-is-a-mint-icon-url.com/icon.png",
   "nuts": {
     "4": {
       "methods": [