1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/ed25519-compact/src/error.rs b/vendor/ed25519-compact/src/error.rs
new file mode 100644
index 000000000..a73392d06
--- /dev/null
+++ b/vendor/ed25519-compact/src/error.rs
@@ -0,0 +1,45 @@
+use core::fmt::{self, Display};
+
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
+pub enum Error {
+    /// The signature doesn't verify.
+    SignatureMismatch,
+    /// A weak public key was used.
+    WeakPublicKey,
+    /// The public key is invalid.
+    InvalidPublicKey,
+    /// The secret key is invalid.
+    InvalidSecretKey,
+    /// The signature is invalid.
+    InvalidSignature,
+    /// The seed doesn't have the expected length.
+    InvalidSeed,
+    /// The blind doesn't have the expected length.
+    InvalidBlind,
+    /// The noise doesn't have the expected length.
+    InvalidNoise,
+    /// Parse error
+    ParseError,
+    /// Non-canonical encoding
+    NonCanonical,
+}
+
+#[cfg(feature = "std")]
+impl std::error::Error for Error {}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Error::SignatureMismatch => write!(f, "Signature doesn't verify"),
+            Error::WeakPublicKey => write!(f, "Weak public key"),
+            Error::InvalidPublicKey => write!(f, "Invalid public key"),
+            Error::InvalidSecretKey => write!(f, "Invalid secret key"),
+            Error::InvalidSignature => write!(f, "Invalid signature"),
+            Error::InvalidSeed => write!(f, "Invalid seed length"),
+            Error::InvalidBlind => write!(f, "Invalid blind length"),
+            Error::InvalidNoise => write!(f, "Invalid noise length"),
+            Error::ParseError => write!(f, "Parse error"),
+            Error::NonCanonical => write!(f, "Non-canonical encoding"),
+        }
+    }
+}