($stream: expr, $type: expr, $field: expr, (option, encoding: $fieldty: ty)) => {
$crate::_encode_tlv!($stream, $type, $field, option);
};
($stream: expr, $type: expr, $field: expr, (option, encoding: $fieldty: ty)) => {
$crate::_encode_tlv!($stream, $type, $field, option);
};
+ ($stream: expr, $type: expr, $field: expr, (option: $trait: ident $(, $read_arg: expr)?)) => {
+ // Just a read-mapped type
+ $crate::_encode_tlv!($stream, $type, $field, option);
+ };
+ ($len: expr, $type: expr, $field: expr, (option: $trait: ident $(, $read_arg: expr)?)) => {
+ $crate::_get_varint_length_prefixed_tlv_length!($len, $type, $field, option);
+ };
($len: expr, $type: expr, $field: expr, upgradable_required) => {
$crate::_get_varint_length_prefixed_tlv_length!($len, $type, $field, required);
};
($len: expr, $type: expr, $field: expr, upgradable_required) => {
$crate::_get_varint_length_prefixed_tlv_length!($len, $type, $field, required);
};
+ ($last_seen_type: expr, $typ: expr, $type: expr, $field: ident, (required: $trait: ident $(, $read_arg: expr)?)) => {{
+ $crate::_check_decoded_tlv_order!($last_seen_type, $typ, $type, $field, required);
+ }};
($last_seen_type: expr, $typ: expr, $type: expr, $field: ident, option) => {{
// no-op
}};
($last_seen_type: expr, $typ: expr, $type: expr, $field: ident, option) => {{
// no-op
}};
+ ($last_seen_type: expr, $type: expr, $field: ident, (required: $trait: ident $(, $read_arg: expr)?)) => {{
+ $crate::_check_missing_tlv!($last_seen_type, $type, $field, required);
+ }};
($last_seen_type: expr, $type: expr, $field: ident, vec_type) => {{
// no-op
}};
($last_seen_type: expr, $type: expr, $field: ident, vec_type) => {{
// no-op
}};
($reader: expr, $field: ident, required) => {{
$field = $crate::util::ser::Readable::read(&mut $reader)?;
}};
($reader: expr, $field: ident, required) => {{
$field = $crate::util::ser::Readable::read(&mut $reader)?;
}};
($reader: expr, $field: ident, vec_type) => {{
let f: $crate::util::ser::WithoutLength<Vec<_>> = $crate::util::ser::Readable::read(&mut $reader)?;
$field = Some(f.0);
($reader: expr, $field: ident, vec_type) => {{
let f: $crate::util::ser::WithoutLength<Vec<_>> = $crate::util::ser::Readable::read(&mut $reader)?;
$field = Some(f.0);
($reader: expr, $field: ident, option) => {{
$field = Some($crate::util::ser::Readable::read(&mut $reader)?);
}};
($reader: expr, $field: ident, option) => {{
$field = Some($crate::util::ser::Readable::read(&mut $reader)?);
}};
+ // `upgradable_required` indicates we're reading a required TLV that may have been upgraded
+ // without backwards compat. We'll error if the field is missing, and return `Ok(None)` if the
+ // field is present but we can no longer understand it.
+ // Note that this variant can only be used within a `MaybeReadable` read.
($reader: expr, $field: ident, upgradable_required) => {{
$field = match $crate::util::ser::MaybeReadable::read(&mut $reader)? {
Some(res) => res,
_ => return Ok(None)
};
}};
($reader: expr, $field: ident, upgradable_required) => {{
$field = match $crate::util::ser::MaybeReadable::read(&mut $reader)? {
Some(res) => res,
_ => return Ok(None)
};
}};
($reader: expr, $field: ident, upgradable_option) => {{
$field = $crate::util::ser::MaybeReadable::read(&mut $reader)?;
}};
($reader: expr, $field: ident, upgradable_option) => {{
$field = $crate::util::ser::MaybeReadable::read(&mut $reader)?;
}};
macro_rules! _decode_tlv_stream_range {
($stream: expr, $range: expr, $rewind: ident, {$(($type: expr, $field: ident, $fieldty: tt)),* $(,)*}
$(, $decode_custom_tlv: expr)?) => { {
macro_rules! _decode_tlv_stream_range {
($stream: expr, $range: expr, $rewind: ident, {$(($type: expr, $field: ident, $fieldty: tt)),* $(,)*}
$(, $decode_custom_tlv: expr)?) => { {
use $crate::ln::msgs::DecodeError;
let mut last_seen_type: Option<u64> = None;
let mut stream_ref = $stream;
use $crate::ln::msgs::DecodeError;
let mut last_seen_type: Option<u64> = None;
let mut stream_ref = $stream;
($field: ident, required) => {
let mut $field = $crate::util::ser::RequiredWrapper(None);
};
($field: ident, required) => {
let mut $field = $crate::util::ser::RequiredWrapper(None);
};
($field: ident, vec_type) => {
let mut $field = Some(Vec::new());
};
($field: ident, option) => {
let mut $field = None;
};
($field: ident, vec_type) => {
let mut $field = Some(Vec::new());
};
($field: ident, option) => {
let mut $field = None;
};
($field: ident, upgradable_required) => {
let mut $field = $crate::util::ser::UpgradableRequired(None);
};
($field: ident, upgradable_required) => {
let mut $field = $crate::util::ser::UpgradableRequired(None);
};