X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Foffers%2Finvoice_error.rs;h=5ae5f457a84822172d970035286a562be0d67973;hb=6264a442599fbadd54b0cc24949fc0fd9de08fb3;hp=122049b9295438b0147224a76c6efbc75455146c;hpb=d7e3320c030654ca3ff2b6ffd83ae65dfbe5e3c8;p=rust-lightning

diff --git a/lightning/src/offers/invoice_error.rs b/lightning/src/offers/invoice_error.rs
index 122049b9..5ae5f457 100644
--- a/lightning/src/offers/invoice_error.rs
+++ b/lightning/src/offers/invoice_error.rs
@@ -11,10 +11,12 @@
 
 use crate::io;
 use crate::ln::msgs::DecodeError;
+use crate::offers::merkle::SignError;
 use crate::offers::parse::Bolt12SemanticError;
 use crate::util::ser::{HighZeroBytesDroppedBigSize, Readable, WithoutLength, Writeable, Writer};
 use crate::util::string::UntrustedString;
 
+#[allow(unused_imports)]
 use crate::prelude::*;
 
 /// An error in response to an [`InvoiceRequest`] or an [`Bolt12Invoice`].
@@ -48,6 +50,16 @@ pub struct ErroneousField {
 	pub suggested_value: Option<Vec<u8>>,
 }
 
+impl InvoiceError {
+	/// Creates an [`InvoiceError`] with the given message.
+	pub fn from_string(s: String) -> Self {
+		Self {
+			erroneous_field: None,
+			message: UntrustedString(s),
+		}
+	}
+}
+
 impl core::fmt::Display for InvoiceError {
 	fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
 		self.message.fmt(f)
@@ -70,7 +82,7 @@ impl Writeable for InvoiceError {
 
 impl Readable for InvoiceError {
 	fn read<R: io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
-		_init_and_read_tlv_fields!(reader, {
+		_init_and_read_len_prefixed_tlv_fields!(reader, {
 			(1, erroneous_field, (option, encoding: (u64, HighZeroBytesDroppedBigSize))),
 			(3, suggested_value, (option, encoding: (Vec<u8>, WithoutLength))),
 			(5, error, (option, encoding: (UntrustedString, WithoutLength))),
@@ -102,6 +114,19 @@ impl From<Bolt12SemanticError> for InvoiceError {
 	}
 }
 
+impl From<SignError> for InvoiceError {
+	fn from(error: SignError) -> Self {
+		let message = match error {
+			SignError::Signing => "Failed signing invoice",
+			SignError::Verification(_) => "Failed invoice signature verification",
+		};
+		InvoiceError {
+			erroneous_field: None,
+			message: UntrustedString(message.to_string()),
+		}
+	}
+}
+
 #[cfg(test)]
 mod tests {
 	use super::{ErroneousField, InvoiceError};