/// Equivalent to running [`_init_tlv_field_var`] then [`read_tlv_fields`].
///
+/// If any unused values are read, their type MUST be specified or else `rustc` will read them as an
+/// `i64`.
+///
/// This is exported for use by other exported macros, do not use directly.
#[doc(hidden)]
#[macro_export]
}
/// Equivalent to running [`_init_tlv_field_var`] then [`decode_tlv_stream`].
+///
+/// If any unused values are read, their type MUST be specified or else `rustc` will read them as an
+/// `i64`.
macro_rules! _init_and_read_tlv_stream {
($reader: ident, {$(($type: expr, $field: ident, $fieldty: tt)),* $(,)*}) => {
$(
#[cfg_attr(test, derive(PartialEq))]
#[derive(Debug)]
- pub(super) struct $nameref<'a> {
+ pub(crate) struct $nameref<'a> {
$(
pub(super) $field: Option<tlv_record_ref_type!($fieldty)>,
)*
/// when [`MaybeReadable`] is practical instead of just [`Readable`] as it provides an upgrade path for
/// new variants to be added which are simply ignored by existing clients.
///
+/// Note that only struct and unit variants (not tuple variants) will support downgrading, thus any
+/// new odd variants MUST be non-tuple (i.e. described using `$variant_id` and `$variant_name` not
+/// `$tuple_variant_id` and `$tuple_variant_name`).
+///
/// [`MaybeReadable`]: crate::util::ser::MaybeReadable
/// [`Writeable`]: crate::util::ser::Writeable
/// [`DecodeError::UnknownRequiredFeature`]: crate::ln::msgs::DecodeError::UnknownRequiredFeature
$($($tuple_variant_id => {
Ok(Some($st::$tuple_variant_name(Readable::read(reader)?)))
}),*)*
- _ if id % 2 == 1 => Ok(None),
+ _ if id % 2 == 1 => {
+ // Assume that a $variant_id was written, not a $tuple_variant_id, and read
+ // the length prefix and discard the correct number of bytes.
+ let tlv_len: $crate::util::ser::BigSize = $crate::util::ser::Readable::read(reader)?;
+ let mut rd = $crate::util::ser::FixedLengthReader::new(reader, tlv_len.0);
+ rd.eat_remaining().map_err(|_| $crate::ln::msgs::DecodeError::ShortRead)?;
+ Ok(None)
+ },
_ => Err($crate::ln::msgs::DecodeError::UnknownRequiredFeature),
}
}
use crate::prelude::*;
use crate::ln::msgs::DecodeError;
use crate::util::ser::{Writeable, HighZeroBytesDroppedBigSize, VecWriter};
+ use bitcoin::hashes::hex::FromHex;
use bitcoin::secp256k1::PublicKey;
// The BOLT TLV test cases don't include any tests which use our "required-value" logic since
#[test]
fn tlv_v_short_read() {
// We only expect a u32 for type 3 (which we are given), but the L says its 8 bytes.
- if let Err(DecodeError::ShortRead) = tlv_reader(&::hex::decode(
+ if let Err(DecodeError::ShortRead) = tlv_reader(&<Vec<u8>>::from_hex(
concat!("0100", "0208deadbeef1badbeef", "0308deadbeef")
).unwrap()[..]) {
} else { panic!(); }
#[test]
fn tlv_types_out_of_order() {
- if let Err(DecodeError::InvalidValue) = tlv_reader(&::hex::decode(
+ if let Err(DecodeError::InvalidValue) = tlv_reader(&<Vec<u8>>::from_hex(
concat!("0100", "0304deadbeef", "0208deadbeef1badbeef")
).unwrap()[..]) {
} else { panic!(); }
// ...even if its some field we don't understand
- if let Err(DecodeError::InvalidValue) = tlv_reader(&::hex::decode(
+ if let Err(DecodeError::InvalidValue) = tlv_reader(&<Vec<u8>>::from_hex(
concat!("0208deadbeef1badbeef", "0100", "0304deadbeef")
).unwrap()[..]) {
} else { panic!(); }
#[test]
fn tlv_req_type_missing_or_extra() {
// It's also bad if they included even fields we don't understand
- if let Err(DecodeError::UnknownRequiredFeature) = tlv_reader(&::hex::decode(
+ if let Err(DecodeError::UnknownRequiredFeature) = tlv_reader(&<Vec<u8>>::from_hex(
concat!("0100", "0208deadbeef1badbeef", "0304deadbeef", "0600")
).unwrap()[..]) {
} else { panic!(); }
// ... or if they're missing fields we need
- if let Err(DecodeError::InvalidValue) = tlv_reader(&::hex::decode(
+ if let Err(DecodeError::InvalidValue) = tlv_reader(&<Vec<u8>>::from_hex(
concat!("0100", "0208deadbeef1badbeef")
).unwrap()[..]) {
} else { panic!(); }
// ... even if that field is even
- if let Err(DecodeError::InvalidValue) = tlv_reader(&::hex::decode(
+ if let Err(DecodeError::InvalidValue) = tlv_reader(&<Vec<u8>>::from_hex(
concat!("0304deadbeef", "0500")
).unwrap()[..]) {
} else { panic!(); }
#[test]
fn tlv_simple_good_cases() {
- assert_eq!(tlv_reader(&::hex::decode(
+ assert_eq!(tlv_reader(&<Vec<u8>>::from_hex(
concat!("0208deadbeef1badbeef", "03041bad1dea")
).unwrap()[..]).unwrap(),
(0xdeadbeef1badbeef, 0x1bad1dea, None));
- assert_eq!(tlv_reader(&::hex::decode(
+ assert_eq!(tlv_reader(&<Vec<u8>>::from_hex(
concat!("0208deadbeef1badbeef", "03041bad1dea", "040401020304")
).unwrap()[..]).unwrap(),
(0xdeadbeef1badbeef, 0x1bad1dea, Some(0x01020304)));
#[test]
fn upgradable_tlv_simple_good_cases() {
- assert_eq!(upgradable_tlv_reader(&::hex::decode(
+ assert_eq!(upgradable_tlv_reader(&<Vec<u8>>::from_hex(
concat!("0204deadbeef", "03041bad1dea", "0404deadbeef")
).unwrap()[..]).unwrap(),
Some(TestUpgradable { a: 0xdeadbeef, b: 0x1bad1dea, c: Some(0xdeadbeef) }));
- assert_eq!(upgradable_tlv_reader(&::hex::decode(
+ assert_eq!(upgradable_tlv_reader(&<Vec<u8>>::from_hex(
concat!("0204deadbeef", "03041bad1dea")
).unwrap()[..]).unwrap(),
Some(TestUpgradable { a: 0xdeadbeef, b: 0x1bad1dea, c: None}));
#[test]
fn missing_required_upgradable() {
- if let Err(DecodeError::InvalidValue) = upgradable_tlv_reader(&::hex::decode(
+ if let Err(DecodeError::InvalidValue) = upgradable_tlv_reader(&<Vec<u8>>::from_hex(
concat!("0100", "0204deadbeef")
).unwrap()[..]) {
} else { panic!(); }
- if let Err(DecodeError::InvalidValue) = upgradable_tlv_reader(&::hex::decode(
+ if let Err(DecodeError::InvalidValue) = upgradable_tlv_reader(&<Vec<u8>>::from_hex(
concat!("0100", "03041bad1dea")
).unwrap()[..]) {
} else { panic!(); }
fn bolt_tlv_bogus_stream() {
macro_rules! do_test {
($stream: expr, $reason: ident) => {
- if let Err(DecodeError::$reason) = tlv_reader_n1(&::hex::decode($stream).unwrap()[..]) {
+ if let Err(DecodeError::$reason) = tlv_reader_n1(&<Vec<u8>>::from_hex($stream).unwrap()[..]) {
} else { panic!(); }
}
}
fn bolt_tlv_bogus_n1_stream() {
macro_rules! do_test {
($stream: expr, $reason: ident) => {
- if let Err(DecodeError::$reason) = tlv_reader_n1(&::hex::decode($stream).unwrap()[..]) {
+ if let Err(DecodeError::$reason) = tlv_reader_n1(&<Vec<u8>>::from_hex($stream).unwrap()[..]) {
} else { panic!(); }
}
}
fn bolt_tlv_valid_n1_stream() {
macro_rules! do_test {
($stream: expr, $tlv1: expr, $tlv2: expr, $tlv3: expr, $tlv4: expr) => {
- if let Ok((tlv1, tlv2, tlv3, tlv4)) = tlv_reader_n1(&::hex::decode($stream).unwrap()[..]) {
+ if let Ok((tlv1, tlv2, tlv3, tlv4)) = tlv_reader_n1(&<Vec<u8>>::from_hex($stream).unwrap()[..]) {
assert_eq!(tlv1.map(|v| v.0), $tlv1);
assert_eq!(tlv2, $tlv2);
assert_eq!(tlv3, $tlv3);
do_test!(concat!("02", "08", "0000000000000226"), None, Some((0 << 30) | (0 << 5) | (550 << 0)), None, None);
do_test!(concat!("03", "31", "023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb00000000000000010000000000000002"),
None, None, Some((
- PublicKey::from_slice(&::hex::decode("023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb").unwrap()[..]).unwrap(), 1, 2)),
+ PublicKey::from_slice(&<Vec<u8>>::from_hex("023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb").unwrap()[..]).unwrap(), 1, 2)),
None);
do_test!(concat!("fd00fe", "02", "0226"), None, None, None, Some(550));
}
stream.0.clear();
_encode_varint_length_prefixed_tlv!(&mut stream, {(1, 1u8, required), (42, None::<u64>, option)});
- assert_eq!(stream.0, ::hex::decode("03010101").unwrap());
+ assert_eq!(stream.0, <Vec<u8>>::from_hex("03010101").unwrap());
stream.0.clear();
_encode_varint_length_prefixed_tlv!(&mut stream, {(1, Some(1u8), option)});
- assert_eq!(stream.0, ::hex::decode("03010101").unwrap());
+ assert_eq!(stream.0, <Vec<u8>>::from_hex("03010101").unwrap());
stream.0.clear();
_encode_varint_length_prefixed_tlv!(&mut stream, {(4, 0xabcdu16, required), (42, None::<u64>, option)});
- assert_eq!(stream.0, ::hex::decode("040402abcd").unwrap());
+ assert_eq!(stream.0, <Vec<u8>>::from_hex("040402abcd").unwrap());
stream.0.clear();
_encode_varint_length_prefixed_tlv!(&mut stream, {(42, None::<u64>, option), (0xff, 0xabcdu16, required)});
- assert_eq!(stream.0, ::hex::decode("06fd00ff02abcd").unwrap());
+ assert_eq!(stream.0, <Vec<u8>>::from_hex("06fd00ff02abcd").unwrap());
stream.0.clear();
_encode_varint_length_prefixed_tlv!(&mut stream, {(0, 1u64, required), (42, None::<u64>, option), (0xff, HighZeroBytesDroppedBigSize(0u64), required)});
- assert_eq!(stream.0, ::hex::decode("0e00080000000000000001fd00ff00").unwrap());
+ assert_eq!(stream.0, <Vec<u8>>::from_hex("0e00080000000000000001fd00ff00").unwrap());
stream.0.clear();
_encode_varint_length_prefixed_tlv!(&mut stream, {(0, Some(1u64), option), (0xff, HighZeroBytesDroppedBigSize(0u64), required)});
- assert_eq!(stream.0, ::hex::decode("0e00080000000000000001fd00ff00").unwrap());
+ assert_eq!(stream.0, <Vec<u8>>::from_hex("0e00080000000000000001fd00ff00").unwrap());
Ok(())
}
projects / rust-lightning / blobdiff