Add transaction sync crate

[rust-lightning] / lightning-transaction-sync / src / error.rs

diff --git a/lightning-transaction-sync/src/error.rs b/lightning-transaction-sync/src/error.rs
new file mode 100644 (file)
index 0000000..0a529d0
--- /dev/null
+++ b/lightning-transaction-sync/src/error.rs
@@ -0,0 +1,63 @@
+use std::fmt;
+
+#[derive(Debug)]
+/// An error that possibly needs to be handled by the user.
+pub enum TxSyncError {
+       /// A transaction sync failed and needs to be retried eventually.
+       Failed,
+}
+
+impl std::error::Error for TxSyncError {}
+
+impl fmt::Display for TxSyncError {
+       fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+               match *self {
+                       Self::Failed => write!(f, "Failed to conduct transaction sync."),
+               }
+       }
+}
+
+#[derive(Debug)]
+#[cfg(any(feature = "esplora-blocking", feature = "esplora-async"))]
+pub(crate) enum InternalError {
+       /// A transaction sync failed and needs to be retried eventually.
+       Failed,
+       /// An inconsisteny was encounterd during transaction sync.
+       Inconsistency,
+}
+
+#[cfg(any(feature = "esplora-blocking", feature = "esplora-async"))]
+impl fmt::Display for InternalError {
+       fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+               match *self {
+                       Self::Failed => write!(f, "Failed to conduct transaction sync."),
+                       Self::Inconsistency => {
+                               write!(f, "Encountered an inconsisteny during transaction sync.")
+                       }
+               }
+       }
+}
+
+#[cfg(any(feature = "esplora-blocking", feature = "esplora-async"))]
+impl std::error::Error for InternalError {}
+
+#[cfg(any(feature = "esplora-blocking", feature = "esplora-async"))]
+impl From<esplora_client::Error> for TxSyncError {
+       fn from(_e: esplora_client::Error) -> Self {
+               Self::Failed
+       }
+}
+
+#[cfg(any(feature = "esplora-blocking", feature = "esplora-async"))]
+impl From<esplora_client::Error> for InternalError {
+       fn from(_e: esplora_client::Error) -> Self {
+               Self::Failed
+       }
+}
+
+#[cfg(any(feature = "esplora-blocking", feature = "esplora-async"))]
+impl From<InternalError> for TxSyncError {
+       fn from(_e: InternalError) -> Self {
+               Self::Failed
+       }
+}