/// [`Writer`]: crate::util::ser::Writer
#[macro_export]
macro_rules! encode_tlv_stream {
+ ($stream: expr, {$(($type: expr, $field: expr, $fieldty: tt)),* $(,)*}) => {
+ $crate::_encode_tlv_stream!($stream, {$(($type, $field, $fieldty)),*})
+ }
+}
+
+/// Implementation of [`encode_tlv_stream`].
+/// This is exported for use by other exported macros, do not use directly.
+#[doc(hidden)]
+#[macro_export]
+macro_rules! _encode_tlv_stream {
($stream: expr, {$(($type: expr, $field: expr, $fieldty: tt)),* $(,)*}) => { {
+ $crate::_encode_tlv_stream!($stream, { $(($type, $field, $fieldty)),* }, &[])
+ } };
+ ($stream: expr, {$(($type: expr, $field: expr, $fieldty: tt)),* $(,)*}, $extra_tlvs: expr) => { {
#[allow(unused_imports)]
use $crate::{
ln::msgs::DecodeError,
$(
$crate::_encode_tlv!($stream, $type, $field, $fieldty);
)*
+ for tlv in $extra_tlvs {
+ let (typ, value): &(u64, Vec<u8>) = tlv;
+ $crate::_encode_tlv!($stream, *typ, *value, required_vec);
+ }
#[allow(unused_mut, unused_variables, unused_assignments)]
#[cfg(debug_assertions)]
$(
$crate::_check_encoded_tlv_order!(last_seen, $type, $fieldty);
)*
+ for tlv in $extra_tlvs {
+ let (typ, _): &(u64, Vec<u8>) = tlv;
+ $crate::_check_encoded_tlv_order!(last_seen, *typ, required_vec);
+ }
}
- } }
+ } };
}
/// Adds the length of the serialized field to a [`LengthCalculatingWriter`].
#[macro_export]
macro_rules! _encode_varint_length_prefixed_tlv {
($stream: expr, {$(($type: expr, $field: expr, $fieldty: tt)),*}) => { {
+ _encode_varint_length_prefixed_tlv!($stream, {$(($type, $field, $fieldty)),*}, &[])
+ } };
+ ($stream: expr, {$(($type: expr, $field: expr, $fieldty: tt)),*}, $extra_tlvs: expr) => { {
use $crate::util::ser::BigSize;
+ use alloc::vec::Vec;
let len = {
#[allow(unused_mut)]
let mut len = $crate::util::ser::LengthCalculatingWriter(0);
$(
$crate::_get_varint_length_prefixed_tlv_length!(len, $type, $field, $fieldty);
)*
+ for tlv in $extra_tlvs {
+ let (typ, value): &(u64, Vec<u8>) = tlv;
+ $crate::_get_varint_length_prefixed_tlv_length!(len, *typ, *value, required_vec);
+ }
len.0
};
BigSize(len as u64).write($stream)?;
- $crate::encode_tlv_stream!($stream, { $(($type, $field, $fieldty)),* });
- } }
+ $crate::_encode_tlv_stream!($stream, { $(($type, $field, $fieldty)),* }, $extra_tlvs);
+ } };
}
/// Errors if there are missing required TLV types between the last seen type and the type currently being processed.
///
/// For example,
/// ```
-/// # use lightning::impl_writeable_tlv_based;
+/// # use lightning::{impl_writeable_tlv_based, _encode_varint_length_prefixed_tlv};
+/// # extern crate alloc;
/// struct LightningMessage {
/// tlv_integer: u32,
/// tlv_default_integer: u32,
f()
}),*
$($tuple_variant_id => {
- Ok($st::$tuple_variant_name(Readable::read(reader)?))
+ Ok($st::$tuple_variant_name($crate::util::ser::Readable::read(reader)?))
}),*
_ => {
Err($crate::ln::msgs::DecodeError::UnknownRequiredFeature)