Add `min_final_cltv_expiry` parameter to invoice utils

[rust-lightning] / lightning-invoice / src / lib.rs

diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index c36aafd8b81bb36815538ec191bdab70da592b4a..17b6e2de2b6efe8582f9f78823289f306c9f4991 100644 (file)
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -1448,6 +1448,11 @@ pub enum CreationError {
        ///
        /// [phantom invoices]: crate::utils::create_phantom_invoice
        MissingRouteHints,
+
+       /// The provided `min_final_cltv_expiry_delta` was less than [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
+       ///
+       /// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
+       MinFinalCltvExpiryDeltaTooShort,
 }
 
 impl Display for CreationError {
@@ -1458,6 +1463,8 @@ impl Display for CreationError {
                        CreationError::TimestampOutOfBounds => f.write_str("The Unix timestamp of the supplied date is less than zero or greater than 35-bits"),
                        CreationError::InvalidAmount => f.write_str("The supplied millisatoshi amount was greater than the total bitcoin supply"),
                        CreationError::MissingRouteHints => f.write_str("The invoice required route hints and they weren't provided"),
+                       CreationError::MinFinalCltvExpiryDeltaTooShort => f.write_str(
+                               "The supplied final CLTV expiry delta was less than LDK's `MIN_FINAL_CLTV_EXPIRY_DELTA`"),
                }
        }
 }