milksad
/
rust-bitcoin-unsafe-fast
14
0
Fork 0
Code Issues Pull Requests Activity

Introduce TxInExt trait 

In preparation for moving the `TxIn` over to `primitives` introduce an
extension trait.
This commit is contained in:
Tobin C. Harding 2024-10-18 14:13:21 +11:00
parent b7e6c698f8
commit 4c5dba82f4
No known key found for this signature in database
GPG Key ID: 40BF9E4C269D6607
1 changed files with 59 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
bitcoin/src/blockdata/transaction.rs
View File

@ -129,7 +129,9 @@ impl TxIn {
};
}
impl TxIn {
crate::internal_macros::define_extension_trait! {
/// Extension functionality for the [`TxIn`] type.
pub trait TxInExt impl for TxIn {
/// Returns true if this input enables the [`absolute::LockTime`] (aka `nLockTime`) of its
/// [`Transaction`].
///
@ -139,7 +141,7 @@ impl TxIn {
/// this input then the script execution will fail [BIP-0065].
///
/// [BIP-65](https://github.com/bitcoin/bips/blob/master/bip-0065.mediawiki)
pub fn enables_lock_time(&self) -> bool { self.sequence != Sequence::MAX }
fn enables_lock_time(&self) -> bool { self.sequence != Sequence::MAX }
/// The weight of the TxIn when it's included in a legacy transaction (i.e., a transaction
/// having only legacy inputs).
@ -150,7 +152,7 @@ impl TxIn {
/// Keep in mind that when adding a TxIn to a transaction, the total weight of the transaction
/// might increase more than `TxIn::legacy_weight`. This happens when the new input added causes
/// the input length `VarInt` to increase its encoding length.
pub fn legacy_weight(&self) -> Weight {
fn legacy_weight(&self) -> Weight {
Weight::from_non_witness_data_size(self.base_size().to_u64())
}
@ -165,7 +167,7 @@ impl TxIn {
/// - the new input added causes the input length `VarInt` to increase its encoding length
/// - the new input is the first segwit input added - this will add an additional 2WU to the
/// transaction weight to take into account the segwit marker
pub fn segwit_weight(&self) -> Weight {
fn segwit_weight(&self) -> Weight {
Weight::from_non_witness_data_size(self.base_size().to_u64())
+ Weight::from_witness_data_size(self.witness.size().to_u64())
}
@ -173,7 +175,7 @@ impl TxIn {
/// Returns the base size of this input.
///
/// Base size excludes the witness data (see [`Self::total_size`]).
pub fn base_size(&self) -> usize {
fn base_size(&self) -> usize {
let mut size = OutPoint::SIZE;
size += compact_size::encoded_size(self.script_sig.len());
@ -185,7 +187,8 @@ impl TxIn {
/// Returns the total number of bytes that this input contributes to a transaction.
///
/// Total size includes the witness data (for base size see [`Self::base_size`]).
pub fn total_size(&self) -> usize { self.base_size() + self.witness.size() }
fn total_size(&self) -> usize { self.base_size() + self.witness.size() }
}
}
/// Bitcoin transaction output.
@ -1338,6 +1341,7 @@ mod sealed {
impl Sealed for super::Txid {}
impl Sealed for super::Wtxid {}
impl Sealed for super::OutPoint {}
impl Sealed for super::TxIn {}
impl Sealed for super::TxOut {}
impl Sealed for super::Version {}
}