feat: add version three variant to transaction version

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Rob N 2024-10-09 12:22:36 -10:00
parent 78bcca71ca
commit 9e6b8faf84
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2 changed files with 9 additions and 4 deletions

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@ -343,7 +343,7 @@ fn size_from_script_pubkey(script_pubkey: &Script) -> usize {
#[derive(Clone, PartialEq, Eq, Debug, Hash)] #[derive(Clone, PartialEq, Eq, Debug, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct Transaction { pub struct Transaction {
/// The protocol version, is currently expected to be 1 or 2 (BIP 68). /// The protocol version, is currently expected to be 1, 2 (BIP 68) or 3 (BIP 431).
pub version: Version, pub version: Version,
/// Block height or timestamp. Transaction cannot be included in a block until this height/time. /// Block height or timestamp. Transaction cannot be included in a block until this height/time.
/// ///
@ -797,7 +797,7 @@ crate::internal_macros::define_extension_trait! {
fn non_standard(version: i32) -> Version { Self(version) } fn non_standard(version: i32) -> Version { Self(version) }
/// Returns true if this transaction version number is considered standard. /// Returns true if this transaction version number is considered standard.
fn is_standard(&self) -> bool { *self == Version::ONE || *self == Version::TWO } fn is_standard(&self) -> bool { *self == Version::ONE || *self == Version::TWO || *self == Version::THREE }
} }
} }

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@ -171,13 +171,14 @@ impl Wtxid {
/// The transaction version. /// The transaction version.
/// ///
/// Currently, as specified by [BIP-68], only version 1 and 2 are considered standard. /// Currently, as specified by [BIP-68] and [BIP-431], version 1, 2, and 3 are considered standard.
/// ///
/// Standardness of the inner `i32` is not an invariant because you are free to create transactions /// Standardness of the inner `i32` is not an invariant because you are free to create transactions
/// of any version, transactions with non-standard version numbers will not be relayed by the /// of any version, transactions with non-standard version numbers will not be relayed by the
/// Bitcoin network. /// Bitcoin network.
/// ///
/// [BIP-68]: https://github.com/bitcoin/bips/blob/master/bip-0068.mediawiki /// [BIP-68]: https://github.com/bitcoin/bips/blob/master/bip-0068.mediawiki
/// [BIP-431]: https://github.com/bitcoin/bips/blob/master/bip-0431.mediawiki
#[derive(Copy, PartialEq, Eq, Clone, Debug, PartialOrd, Ord, Hash)] #[derive(Copy, PartialEq, Eq, Clone, Debug, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct Version(pub i32); pub struct Version(pub i32);
@ -188,6 +189,9 @@ impl Version {
/// The second Bitcoin transaction version (post-BIP-68). /// The second Bitcoin transaction version (post-BIP-68).
pub const TWO: Self = Self(2); pub const TWO: Self = Self(2);
/// The third Bitcoin transaction version (post-BIP-431).
pub const THREE: Self = Self(3);
} }
impl fmt::Display for Version { impl fmt::Display for Version {
@ -208,10 +212,11 @@ impl<'a> Arbitrary<'a> for OutPoint {
impl<'a> Arbitrary<'a> for Version { impl<'a> Arbitrary<'a> for Version {
fn arbitrary(u: &mut Unstructured<'a>) -> arbitrary::Result<Self> { fn arbitrary(u: &mut Unstructured<'a>) -> arbitrary::Result<Self> {
// Equally weight the case of normal version numbers // Equally weight the case of normal version numbers
let choice = u.int_in_range(0..=2)?; let choice = u.int_in_range(0..=3)?;
match choice { match choice {
0 => Ok(Version::ONE), 0 => Ok(Version::ONE),
1 => Ok(Version::TWO), 1 => Ok(Version::TWO),
2 => Ok(Version::THREE),
_ => Ok(Version(u.arbitrary()?)), _ => Ok(Version(u.arbitrary()?)),
} }
} }