feat: adding tos to mint (#604)

* feat: adding tos(terms of service) to mint and update cdk-sqlite migration

crates/cashu/src/nuts/nut06.rs

@@ -59,7 +59,7 @@ impl<'de> Deserialize<'de> for MintVersion {
     }
 }
 
-/// Mint Info [NIP-06]
+/// Mint Info [NUT-06]
 #[derive(Default, Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
 #[cfg_attr(feature = "swagger", derive(utoipa::ToSchema))]
 pub struct MintInfo {
@@ -95,6 +95,9 @@ pub struct MintInfo {
     /// server unix timestamp
     #[serde(skip_serializing_if = "Option::is_none")]
     pub time: Option<u64>,
+    /// terms of url service of the mint
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tos_url: Option<String>,
 }
 
 impl MintInfo {
@@ -197,6 +200,17 @@ impl MintInfo {
             ..self
         }
     }
+
+    /// Set tos_url
+    pub fn tos_url<S>(self, tos_url: S) -> Self
+    where
+        S: Into<String>,
+    {
+        Self {
+            tos_url: Some(tos_url.into()),
+            ..self
+        }
+    }
 }
 
 /// Supported nuts and settings
@@ -432,7 +446,8 @@ mod tests {
         "9": {"supported": true},
         "10": {"supported": true},
         "11": {"supported": true}
-    }
+    },
+"tos_url": "https://cashu.mint/tos"
 }"#;
 
         let _mint_info: MintInfo = serde_json::from_str(mint_info_str).unwrap();
@@ -455,7 +470,8 @@ mod tests {
 
                 println!("{}", mint_info);
         */
-        let mint_info_str = r#"{
+        let mint_info_str = r#"
+{
   "name": "Bob's Cashu mint",
   "pubkey": "0283bf290884eed3a7ca2663fc0260de2e2064d6b355ea13f98dec004b7a7ead99",
   "version": "Nutshell/0.15.0",
@@ -502,10 +518,12 @@ mod tests {
     "9": {"supported": true},
     "10": {"supported": true},
     "12": {"supported": true}
-  }
+  },
+  "tos_url": "https://cashu.mint/tos"
 }"#;
         let info: MintInfo = serde_json::from_str(mint_info_str).unwrap();
-        let mint_info_str = r#"{
+        let mint_info_str = r#"
+{
     "name": "Bob's Cashu mint",
     "pubkey": "0283bf290884eed3a7ca2663fc0260de2e2064d6b355ea13f98dec004b7a7ead99",
     "version": "Nutshell/0.15.0",
@@ -546,7 +564,8 @@ mod tests {
             "9": {"supported": true},
             "10": {"supported": true},
             "12": {"supported": true}
-  }
+        },
+        "tos_url": "https://cashu.mint/tos"
 }"#;
         let mint_info: MintInfo = serde_json::from_str(mint_info_str).unwrap();
 

crates/cdk-sqlite/src/wallet/migrations/20250214135017_mint_tos.sql

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

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

@@ -87,6 +87,7 @@ impl WalletDatabase for WalletSqliteDatabase {
             urls,
             motd,
             time,
+            tos_url,
         ) = match mint_info {
             Some(mint_info) => {
                 let MintInfo {
@@ -101,6 +102,7 @@ impl WalletDatabase for WalletSqliteDatabase {
                     urls,
                     motd,
                     time,
+                    tos_url,
                 } = mint_info;
 
                 (
@@ -115,18 +117,19 @@ impl WalletDatabase for WalletSqliteDatabase {
                     urls.map(|c| serde_json::to_string(&c).ok()),
                     motd,
                     time,
+                    tos_url,
                 )
             }
             None => (
-                None, None, None, None, None, None, None, None, None, None, None,
+                None, None, None, None, None, None, None, None, None, None, None, None,
             ),
         };
 
         sqlx::query(
             r#"
 INSERT INTO mint
-(mint_url, name, pubkey, version, description, description_long, contact, nuts, icon_url, urls, motd, mint_time)
+(mint_url, name, pubkey, version, description, description_long, contact, nuts, icon_url, urls, motd, mint_time, tos_url)
-VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
 ON CONFLICT(mint_url) DO UPDATE SET
     name = excluded.name,
     pubkey = excluded.pubkey,
@@ -138,7 +141,8 @@ ON CONFLICT(mint_url) DO UPDATE SET
     icon_url = excluded.icon_url,
     urls = excluded.urls,
     motd = excluded.motd,
-    mint_time = excluded.mint_time
+    mint_time = excluded.mint_time,
+    tos_url = excluded.tos_url
 ;
         "#,
         )
@@ -154,6 +158,7 @@ ON CONFLICT(mint_url) DO UPDATE SET
         .bind(urls)
         .bind(motd)
         .bind(time.map(|v| v as i64))
+        .bind(tos_url)
         .execute(&self.pool)
         .await
         .map_err(Error::from)?;
@@ -833,7 +838,7 @@ fn sqlite_row_to_mint_info(row: &SqliteRow) -> Result<MintInfo, Error> {
     let motd: Option<String> = row.try_get("motd").map_err(Error::from)?;
     let row_urls: Option<String> = row.try_get("urls").map_err(Error::from)?;
     let time: Option<i64> = row.try_get("mint_time").map_err(Error::from)?;
-
+    let tos_url: Option<String> = row.try_get("tos_url").map_err(Error::from)?;
     Ok(MintInfo {
         name,
         pubkey: row_pubkey.and_then(|p| PublicKey::from_slice(&p).ok()),
@@ -848,6 +853,7 @@ fn sqlite_row_to_mint_info(row: &SqliteRow) -> Result<MintInfo, Error> {
         urls: row_urls.and_then(|c| serde_json::from_str(&c).ok()),
         motd,
         time: time.map(|t| t as u64),
+        tos_url,
     })
 }