Get/Set Properties

binding.h

@@ -1,4 +1,4 @@
-#if !defined(__APPLE__) && !defined(TARGET_OS_IPHONE)
+#if !defined(__APPLE__) || !defined(TARGET_OS_IPHONE)
 typedef char int8_t;
 typedef unsigned char uint8_t;
 typedef short int uint16_t;
@@ -401,6 +401,10 @@ struct CResult_bool decrypt_db(char *db_path, char *passwd);
 
 struct CResult_u8 clone_db_with_passwd(uint8_t coin, char *temp_path, char *passwd);
 
+struct CResult_____c_char get_property(uint8_t coin, char *name);
+
+struct CResult_u8 set_property(uint8_t coin, char *name, char *value);
+
 bool has_cuda(void);
 
 bool has_metal(void);

cbindgen.toml

@@ -1,7 +1,7 @@
 language = "C"
 no_includes = true
 after_includes = """
-#if !defined(__APPLE__) && !defined(TARGET_OS_IPHONE)
+#if !defined(__APPLE__) || !defined(TARGET_OS_IPHONE)
 typedef char int8_t;
 typedef unsigned char uint8_t;
 typedef short int uint16_t;

src/api/dart_ffi.rs

@@ -1141,6 +1141,34 @@ pub unsafe extern "C" fn clone_db_with_passwd(
     to_cresult(with_coin(coin, res))
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn get_property(
+    coin: u8,
+    name: *mut c_char,
+) -> CResult<*mut c_char> {
+    from_c_str!(name);
+    let res = |connection: &Connection| {
+        let value = crate::db::read::get_property(connection, &name)?;
+        Ok(value)
+    };
+    to_cresult_str(with_coin(coin, res))
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn set_property(
+    coin: u8,
+    name: *mut c_char,
+    value: *mut c_char,
+) -> CResult<u8> {
+    from_c_str!(name);
+    from_c_str!(value);
+    let res = |connection: &Connection| {
+        crate::db::read::set_property(connection, &name, &value)?;
+        Ok(0)
+    };
+    to_cresult(with_coin(coin, res))
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn has_cuda() -> bool {
     crate::gpu::has_cuda()

src/db/read.rs

@@ -659,4 +659,16 @@ pub fn resolve_addresses(
     Ok(addresses)
 }
 
-// TODO: In get_tx, resolve addresses to contact
+pub fn get_property(connection: &Connection, name: &str) -> anyhow::Result<String> {
+    let url = connection.query_row("SELECT value FROM properties WHERE name = ?1", [name], |row| {
+        let url: String = row.get(0)?;
+        Ok(url)
+    }).optional()?;
+    Ok(url.unwrap_or(String::new()))
+}
+
+pub fn set_property(connection: &Connection, name: &str, value: &str) -> anyhow::Result<()> {
+    connection.execute("INSERT INTO properties(name, value) VALUES (?1, ?2) ON CONFLICT (name) \
+    DO UPDATE SET value = excluded.value", params![name, value])?;
+    Ok(())
+}