copy in iroh-car from iroh repo, verbatim

1 files changed, 28 insertions, 0 deletions

diff --git a/iroh-car/src/error.rs b/iroh-car/src/error.rs
new file mode 100644
index 0000000..3579413
--- /dev/null
+++ b/iroh-car/src/error.rs
@@ -0,0 +1,28 @@
+use thiserror::Error;
+
+/// Car utility error
+#[derive(Debug, Error)]
+pub enum Error {
+    #[error("Failed to parse CAR file: {0}")]
+    Parsing(String),
+    #[error("Invalid CAR file: {0}")]
+    InvalidFile(String),
+    #[error("Io error: {0}")]
+    Io(#[from] std::io::Error),
+    #[error("Cbor encoding error: {0}")]
+    Cbor(#[from] ipld::error::Error),
+    #[error("ld read too large {0}")]
+    LdReadTooLarge(usize),
+}
+
+impl From<cid::Error> for Error {
+    fn from(err: cid::Error) -> Error {
+        Error::Parsing(err.to_string())
+    }
+}
+
+impl From<cid::multihash::Error> for Error {
+    fn from(err: cid::multihash::Error) -> Error {
+        Error::Parsing(err.to_string())
+    }
+}