absolutebi/serai
1
0
Fork 0
mirror of https://github.com/serai-dex/serai.git synced 2025-12-09 20:59:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

Bulletproofs+ (#70)

Browse Source 
* Initial stab at Bulletproofs+

Does move around the existing Bulletproofs code, does still work as 
expected.

* Make the Clsag RCTPrunable type work with BP and BP+

* Initial set of BP+ bug fixes

* Further bug fixes

* Remove RING_LEN as a constant

* Monero v16 TX support

Doesn't implement view tags, nor going back to v14, nor the updated BP 
clawback logic.

* Support v14 and v16 at the same time
This commit is contained in:
Luke Parker
2022-07-27 04:05:43 -05:00
committed by GitHub
parent 37b8e3c025
commit 023afaf7ce
15 changed files with 384 additions and 132 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
coins/monero/src/transaction.rs
View File

@@ -8,8 +8,6 @@ use crate::{
ringct::{RctPrunable, RctSignatures},
};
pub const RING_LEN: usize = 11;
#[derive(Clone, PartialEq, Eq, Debug)]
pub enum Input {
Gen(u64),
@@ -19,10 +17,10 @@ pub enum Input {
impl Input {
// Worst-case predictive len
pub(crate) fn fee_weight() -> usize {
pub(crate) fn fee_weight(ring_len: usize) -> usize {
// Uses 1 byte for the VarInt amount due to amount being 0
// Uses 1 byte for the VarInt encoding of the length of the ring as well
1 + 1 + 1 + (8 * RING_LEN) + 32
1 + 1 + 1 + (8 * ring_len) + 32
}
pub fn serialize<W: std::io::Write>(&self, w: &mut W) -> std::io::Result<()> {
@@ -161,11 +159,11 @@ pub struct TransactionPrefix {
}
impl TransactionPrefix {
pub(crate) fn fee_weight(inputs: usize, outputs: usize, extra: usize) -> usize {
pub(crate) fn fee_weight(ring_len: usize, inputs: usize, outputs: usize, extra: usize) -> usize {
// Assumes Timelock::None since this library won't let you create a TX with a timelock
1 + 1 +
varint_len(inputs) +
(inputs * Input::fee_weight()) +
(inputs * Input::fee_weight(ring_len)) +
1 +
(outputs * Output::fee_weight()) +
varint_len(extra) +
@@ -205,9 +203,9 @@ pub struct Transaction {
}
impl Transaction {
pub(crate) fn fee_weight(inputs: usize, outputs: usize, extra: usize) -> usize {
TransactionPrefix::fee_weight(inputs, outputs, extra) +
RctSignatures::fee_weight(inputs, outputs)
pub(crate) fn fee_weight(ring_len: usize, inputs: usize, outputs: usize, extra: usize) -> usize {
TransactionPrefix::fee_weight(ring_len, inputs, outputs, extra) +
RctSignatures::fee_weight(ring_len, inputs, outputs)
}
pub fn serialize<W: std::io::Write>(&self, w: &mut W) -> std::io::Result<()> {