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lexe-common

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lexe-common - cargo Package Compare versions

Comparing version
0.1.10
 to
0.1.11
+1
-1
.cargo_vcs_info.json
{
"git": {
"sha1": "cf3dd7c7a928b81961f3dd0e9b11555db1d0f69b"
"sha1": "69c38083fdf5e19e1f253911331ec830bc38bee0"
},
"path_in_vcs": "public/lexe-common"
}
+22
-43
Cargo.lock

@@ -38,3 +38,3 @@ # This file is automatically @generated by Cargo.

"rusticata-macros",
"thiserror 2.0.17",
"thiserror",
"time",

@@ -101,8 +101,7 @@ ]

name = "bcs"
version = "0.1.6"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85b6598a2f5d564fb7855dc6b06fd1c38cff5a72bd8b863a4d021938497b440a"
checksum = "350f2b5fa7b76b498158ec1079dc0ea842c5b622b6b3f675005fddd889f2c9a7"
dependencies = [
"serde",
"thiserror 1.0.69",
"serde_core",
]

@@ -509,5 +508,5 @@

name = "lexe-byte-array"
version = "0.1.10"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "58ca8f808745e4ff3cccb305ba98eed27a87ada44533f43a76ed3fd57e9a4876"
checksum = "08b55dbb73da593af8163704c794dbe710644270010b02475662b3089c75aced"
dependencies = [

@@ -519,3 +518,3 @@ "lexe-hex",

name = "lexe-common"
version = "0.1.10"
version = "0.1.11"
dependencies = [

@@ -560,3 +559,3 @@ "anyhow",

"tempfile",
"thiserror 2.0.17",
"thiserror",
"tracing",

@@ -569,5 +568,5 @@ "x509-parser",

name = "lexe-crypto"
version = "0.1.10"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "617f6607cddc45c634448a8bdd5be5b04c717c0e82fc4e61f0b8f24cace419e0"
checksum = "24c62725f40b08c48dd4537146f58da6a2bcba85a37f9f58a4c1fde76aafdefc"
dependencies = [

@@ -590,5 +589,5 @@ "bcs",

name = "lexe-enclave"
version = "0.1.10"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "475c422b55acec72c6dc8e4f590f4592ffb41175a6eaffa9601672a610e5c94b"
checksum = "061b46d8f6185130d8f2ee99391bf3005d2ff5ba89cfc1eb6e8ea55076142c28"
dependencies = [

@@ -610,11 +609,11 @@ "cfg-if",

name = "lexe-hex"
version = "0.1.10"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "24701aeca927296de900880d136ed506cbe2954d6c7753c9304716edb36c2212"
checksum = "512353b1642194139d0a3238530ca67641e8461c0231c6cb28ceb460648fed51"
[[package]]
name = "lexe-serde"
version = "0.1.10"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "50815113d9628a3f2b4b0a5ea0e9d75725a8888ac7fcef8f095985b995b997d5"
checksum = "1c3c0b52888c4e98b7d66abccfd9797fd2f7761a82d7b4acae88202ee7fcaa0b"
dependencies = [

@@ -628,5 +627,5 @@ "base64",

name = "lexe-sha256"
version = "0.1.10"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13b6b5a23789e03ac30956e9759e829377f0b8c2df57889224b7cedee74429b6"
checksum = "09a24e8711cf9f4cff70f780e58cf59690168d7457c79343923892bf2c527ed4"
dependencies = [

@@ -641,5 +640,5 @@ "lexe-byte-array",

name = "lexe-std"
version = "0.1.10"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "00b6f5d9df00298a4cb5092473bdc2e0a33b586bc50bf0c8bb82a866b54c6fbb"
checksum = "027437edc551760845f3d89a55782eee333ff2125a2d3d44d77d26df07cf5f10"
dependencies = [

@@ -1200,11 +1199,2 @@ "ref-cast",

name = "thiserror"
version = "1.0.69"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
dependencies = [
"thiserror-impl 1.0.69",
]
[[package]]
name = "thiserror"
version = "2.0.17"

@@ -1214,3 +1204,3 @@ source = "registry+https://github.com/rust-lang/crates.io-index"

dependencies = [
"thiserror-impl 2.0.17",
"thiserror-impl",
]

@@ -1220,13 +1210,2 @@

name = "thiserror-impl"
version = "1.0.69"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "thiserror-impl"
version = "2.0.17"

@@ -1541,3 +1520,3 @@ source = "registry+https://github.com/rust-lang/crates.io-index"

"rusticata-macros",
"thiserror 2.0.17",
"thiserror",
"time",

@@ -1544,0 +1523,0 @@ ]

+11
-11
Cargo.toml

@@ -16,3 +16,3 @@ # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO

name = "lexe-common"
version = "0.1.10"
version = "0.1.11"
authors = [

@@ -65,3 +65,3 @@ "Max Fang <max@lexe.app>",

[dependencies.bcs]
version = "0.1"
version = "0.2"

@@ -107,21 +107,21 @@ [dependencies.bip39]

[dependencies.lexe-byte-array]
version = "0.1.10"
version = "0.1.11"
[dependencies.lexe-crypto]
version = "0.1.10"
version = "0.1.11"
[dependencies.lexe-enclave]
version = "0.1.10"
version = "0.1.11"
[dependencies.lexe-hex]
version = "0.1.10"
version = "0.1.11"
[dependencies.lexe-serde]
version = "0.1.10"
version = "0.1.11"
[dependencies.lexe-sha256]
version = "0.1.10"
version = "0.1.11"
[dependencies.lexe-std]
version = "0.1.10"
version = "0.1.11"
features = ["ref-cast"]

@@ -216,7 +216,7 @@

[dev-dependencies.lexe-crypto]
version = "0.1.10"
version = "0.1.11"
features = ["test-utils"]
[dev-dependencies.lexe-enclave]
version = "0.1.10"
version = "0.1.11"
features = ["test-utils"]

@@ -223,0 +223,0 @@ 

+3
-1
src/constants.rs

@@ -6,2 +6,4 @@ use std::{include_bytes, time::Duration};

use crate::{ppm, ppm::Ppm};
// --- General --- //

@@ -91,3 +93,3 @@

/// [`lightning::util::config::ChannelHandshakeConfig::their_channel_reserve_proportional_millionths`]
pub const LSP_RESERVE_PROP_PPM: u32 = 10_000; // 1%
pub const LSP_RESERVE_PROPORTION: Ppm = ppm!(1.0%);

@@ -94,0 +96,0 @@ /// The LSP will only accept new inbound channels with channel value at or above

+186
-23
src/ppm.rs

@@ -22,19 +22,24 @@ //! A "parts per million" (ppm) newtype for proportional fee rates.

//!
//! Use [`Ppm::new`](crate::ppm::Ppm::new) for compile-time validated constants:
//! Use the [`ppm!`] macro for convenient compile-time validated constants:
//!
//! ```
//! # use lexe_common::ppm::Ppm;
//! const MY_FEE_RATE: Ppm = Ppm::new(3000); // 0.3%
//! # use lexe_common::{ppm, ppm::Ppm};
//! # use rust_decimal::Decimal;
//! const A_FEE_RATE_PPM: Ppm = ppm!(3000); // 0.3%
//! const B_FEE_RATE_PPM: Ppm = ppm!(0.3%); // 0.3%
//! const C_FEE_RATE_DEC: Decimal = ppm!(3000).to_decimal(); // 0.3%
//! ```
//!
//! ### Converting to a decimal rate
//! ### Converting to a decimal rate or percentage
//!
//! [`Ppm::to_decimal`](crate::ppm::Ppm::to_decimal) returns a
//! [`Decimal`](rust_decimal::Decimal) rate:
//! [`Decimal`](rust_decimal::Decimal) rate, while
//! [`Ppm::to_percent`](crate::ppm::Ppm::to_percent) returns a percentage:
//!
//! ```
//! # use lexe_common::ppm::Ppm;
//! # use lexe_common::{ppm, ppm::Ppm};
//! # use lexe_common::dec;
//! let rate = Ppm::new(5000).to_decimal(); // 0.5%
//! assert_eq!(rate, dec!(0.005));
//! let ppm = ppm!(5000);
//! assert_eq!(ppm.to_decimal(), dec!(0.005));
//! assert_eq!(ppm.to_percent(), dec!(0.5));
//! ```

@@ -50,2 +55,20 @@

/// A convenient, const-friendly way to build a [`Ppm`] from a ppm literal
/// or percent literal.
///
/// Ex: `ppm!(1230)` -> `Ppm::new(1230)`
/// Ex: `ppm!(0.123%)` -> `Ppm::new(1230)`
#[macro_export]
macro_rules! ppm {
($whole:tt . $frac:tt %) => {
const { $crate::ppm::Ppm::const_from_percent($crate::dec!($whole . $frac)) }
};
($whole:tt %) => {
const { $crate::ppm::Ppm::const_from_percent($crate::dec!($whole)) }
};
($amount:expr) => {
const { $crate::ppm::Ppm::new($amount) }
}
}
/// Errors that can occur when constructing a [`Ppm`].

@@ -89,2 +112,80 @@ #[derive(Debug, thiserror::Error)]

/// Construct a [`Ppm`] from a [`Decimal`] percentage value.
///
/// # Panics
///
/// Panics at compile time (in const context) or runtime if `pct` is
/// outside the valid range `[0.0000, 100.0000]`, or if it is not exactly
/// representable as a whole PPM value (e.g., `0.00001%`).
#[doc(hidden)]
pub const fn const_from_percent(pct: Decimal) -> Self {
// `scale + 2` == "move the decimal left 2 places" == `pct / 100.0`
let lo = pct.mantissa() as u32;
let mid = 0;
let hi = 0;
Self::const_from_decimal(Decimal::from_parts(
lo,
mid,
hi,
false,
pct.scale() + 2,
))
}
/// Construct a [`Ppm`] from a [`Decimal`] value.
///
/// # Panics
///
/// Panics at compile time (in const context) or runtime if `dec` is
/// outside the valid range `[0.000000, 1.000000]` and is not exactly
/// representable as a PPM (e.g., `0.0000001` requires too much precision).
#[doc(hidden)]
const fn const_from_decimal(dec: Decimal) -> Self {
let scale = dec.scale();
// If scale <= 6, then `dec` has <= 6 digits after the decimal point
if scale <= 6 {
let exp = 6 - scale;
let base = 10_i128.pow(exp);
let ppm = dec.mantissa() * base;
Ppm::new(ppm as i32)
} else {
// `dec` has >6 digits after the decimal point (though the extra
// digits may be `0`)
let exp = scale - 6;
let base = 10_i128.pow(exp);
let mantissa = dec.mantissa();
// If there is a remainder, then `dec` has extra non-zero digits
// and so requires too much precision for a whole PPM repr
assert!(mantissa % base == 0);
let ppm = mantissa / base;
Ppm::new(ppm as i32)
}
}
/// Construct a [`Ppm`] from a [`Decimal`] value.
///
/// The decimal is multiplied by 1_000_000 and rounded to the nearest
/// integer. For example, `0.005` (0.5%) becomes 5000 ppm.
///
/// Returns an error if the input is negative or exceeds `1.0`.
pub fn try_from_decimal(rate: Decimal) -> Result<Self, Error> {
use rust_decimal::prelude::ToPrimitive;
let ppm_dec = (rate * dec!(1_000_000)).round();
let ppm_i32 = ppm_dec.to_i32().ok_or(Error::TooLarge)?;
Self::try_from_inner(ppm_i32)
}
/// Construct a [`Ppm`] from a [`Decimal`] percentage value.
///
/// The decimal is multiplied by 10_000 and rounded to the nearest
/// integer. For example, `0.5` (0.5%) becomes 5000 ppm.
///
/// Returns an error if the input is negative or exceeds `100.0` (100%).
pub fn try_from_percent(pct: Decimal) -> Result<Self, Error> {
Self::try_from_decimal(pct / dec!(100))
}
/// Returns the ppm value as an `i32`.

@@ -106,6 +207,26 @@ #[inline]

#[inline]
pub fn to_decimal(self) -> Decimal {
Decimal::from(self.0) / dec!(1_000_000)
pub const fn to_decimal(self) -> Decimal {
// This is `Decimal::from(self.0) / dec!(1_000_000)` but works in a
// `const` context.
let lo = self.to_u32();
let mid = 0;
let hi = 0;
let negative = false;
let scale = 6;
Decimal::from_parts(lo, mid, hi, negative, scale)
}
/// Returns the ppm value as a [`Decimal`] percentage (ppm / 10_000).
///
/// For example, 5000 ppm becomes `0.5` (0.5%).
#[inline]
pub const fn to_percent(self) -> Decimal {
let lo = self.to_u32();
let mid = 0;
let hi = 0;
let negative = false;
let scale = 4;
Decimal::from_parts(lo, mid, hi, negative, scale)
}
/// Checks bounds, returning [`Self`] if the value is valid.

@@ -182,2 +303,3 @@ #[inline]

#[inline]
fn try_from(value: i32) -> Result<Self, Self::Error> {

@@ -200,14 +322,5 @@ Self::try_from_inner(value)

/// Construct a [`Ppm`] from a [`Decimal`] rate.
///
/// The decimal is multiplied by 1_000_000 and rounded to the nearest
/// integer. For example, `0.005` (0.5%) becomes 5000 ppm.
///
/// Returns an error if the result is negative or exceeds 1_000_000.
#[inline]
fn try_from(rate: Decimal) -> Result<Self, Self::Error> {
use rust_decimal::prelude::ToPrimitive;
let ppm_dec = (rate * dec!(1_000_000)).round();
let ppm_i32 = ppm_dec.to_i32().ok_or(Error::TooLarge)?;
Self::try_from_inner(ppm_i32)
Self::try_from_decimal(rate)
}

@@ -262,2 +375,3 @@ }

use super::*;
use crate::ppm;

@@ -275,2 +389,22 @@ #[test]

#[test]
fn macros() {
assert_eq!(ppm!(0), Ppm::ZERO);
assert_eq!(ppm!(1230), Ppm::new(1230));
assert_eq!(ppm!(1_000_000), Ppm::new(1_000_000));
assert_eq!(ppm!(0%), Ppm::ZERO);
assert_eq!(ppm!(0.0%), Ppm::ZERO);
assert_eq!(ppm!(0.123%), Ppm::new(1230));
assert_eq!(ppm!(0.1230%), Ppm::new(1230));
assert_eq!(ppm!(0.12300%), Ppm::new(1230));
assert_eq!(ppm!(0.3%), Ppm::new(3000));
assert_eq!(ppm!(1%), Ppm::new(10_000));
assert_eq!(ppm!(1.0%), Ppm::new(10_000));
assert_eq!(ppm!(50%), Ppm::new(500_000));
assert_eq!(ppm!(100%), Ppm::MAX);
assert_eq!(ppm!(100.0%), Ppm::MAX);
assert_eq!(ppm!(0.0001%), Ppm::new(1));
}
#[test]
fn to_decimal() {

@@ -286,2 +420,13 @@ assert_eq!(Ppm::ZERO.to_decimal(), dec!(0));

#[test]
fn to_percent() {
assert_eq!(Ppm::ZERO.to_percent(), dec!(0));
assert_eq!(Ppm::new(1).to_percent(), dec!(0.0001));
assert_eq!(Ppm::new(1000).to_percent(), dec!(0.1));
assert_eq!(Ppm::new(3000).to_percent(), dec!(0.3));
assert_eq!(Ppm::new(10_000).to_percent(), dec!(1));
assert_eq!(Ppm::new(100_000).to_percent(), dec!(10));
assert_eq!(Ppm::MAX.to_percent(), dec!(100));
}
#[test]
fn try_from_decimal() {

@@ -396,6 +541,24 @@ // Basic conversions

// Roundtrip: Ppm -> Decimal -> Ppm
let roundtrip = Ppm::try_from(dec).unwrap();
prop_assert_eq!(ppm, roundtrip);
prop_assert_eq!(ppm, Ppm::try_from(dec).unwrap());
prop_assert_eq!(ppm, Ppm::try_from_decimal(dec).unwrap());
prop_assert_eq!(ppm, Ppm::const_from_decimal(dec));
});
}
#[test]
fn proptest_percent_roundtrip() {
proptest!(|(ppm in any::<Ppm>())| {
let pct = ppm.to_percent();
// Percent is in [0, 100]
prop_assert!(pct >= Decimal::ZERO);
prop_assert!(pct <= dec!(100));
// Roundtrip: Ppm -> percent -> Ppm
prop_assert_eq!(ppm, Ppm::try_from_percent(pct).unwrap());
prop_assert_eq!(ppm, Ppm::const_from_percent(pct));
prop_assert_eq!(pct, ppm.to_decimal() * dec!(100.0));
});
}
}
Cargo.toml.orig

Sorry, the diff of this file is not supported yet