Make bee-ternary no_std (#844)

* Make bee-ternary no_std

* Bump version

* Remove comments

bee-crypto/Cargo.toml

@@ -11,7 +11,7 @@ keywords = [ "iota", "tangle", "bee", "framework", "crypto" ]
 homepage = "https://www.iota.org"
 
 [dependencies]
-bee-ternary = { version = "0.5.1", path = "../bee-ternary", default-features = false }
+bee-ternary = { version = "0.5.2", path = "../bee-ternary", default-features = false }
 
 byteorder = {version = "1.4.3", default-features = false }
 lazy_static = {version = "1.4.0", default-features = false }

bee-message/Cargo.toml

@@ -13,7 +13,7 @@ homepage = "https://www.iota.org"
 [dependencies]
 bee-common = { version = "0.5.0", path = "../bee-common/bee-common", default-features = false }
 bee-pow = { version = "0.1.0", path = "../bee-pow", default-features = false }
-bee-ternary = { version = "0.5.1", path = "../bee-ternary", default-features = false, features = [ "serde1" ] }
+bee-ternary = { version = "0.5.2", path = "../bee-ternary", default-features = false, features = [ "serde1" ] }
 
 bech32 = { version = "0.8.1", default-features = false }
 bytemuck = { version = "1.7.2", default-features = false }

bee-pow/Cargo.toml

@@ -12,7 +12,7 @@ homepage = "https://www.iota.org"
 
 [dependencies]
 bee-crypto = { version = "0.2.1-alpha", path = "../bee-crypto", default-features = false }
-bee-ternary = { version = "0.5.1", path = "../bee-ternary", default-features = false }
+bee-ternary = { version = "0.5.2", path = "../bee-ternary", default-features = false }
 
 iota-crypto = { version = "0.7.0", default-features = false, features = [ "blake2b", "digest" ] }
 thiserror = { version = "1.0.30", default-features = false }

bee-signing/Cargo.toml

@@ -13,7 +13,7 @@ homepage = "https://www.iota.org"
 [dependencies]
 bee-common-derive = { version = "0.1.1-alpha", path = "../bee-common/bee-common-derive", default-features = false }
 bee-crypto = { version = "0.2.1-alpha", path = "../bee-crypto", default-features = false }
-bee-ternary = { version = "0.5.1", path = "../bee-ternary", default-features = false }
+bee-ternary = { version = "0.5.2", path = "../bee-ternary", default-features = false }
 
 rand = { version = "0.8.4", default-features = false, features = [ "std", "std_rng" ] }
 sha3 = { version = "0.9.1", default-features = false }

bee-ternary/CHANGELOG.md

@@ -19,6 +19,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security -->
 
+## 0.5.2 - 2021-11-19
+
+### Changed
+
+- The crate has been made `no_std`;
+
 ## 0.5.1 - 2021-11-16
 
 ### Added

bee-ternary/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bee-ternary"
-version = "0.5.1"
+version = "0.5.2"
 authors = [ "IOTA Stiftung" ]
 edition = "2021"
 description = "Ergonomic ternary manipulation utilities"
@@ -19,3 +19,4 @@ autocfg = { version = "1.0.0", default-features = false }
 
 [features]
 serde1 = [ "serde" ]
+std = [ ]

bee-ternary/src/b1t6.rs

@@ -1,8 +1,12 @@
 // Copyright 2020-2021 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
+extern crate alloc;
+
 use crate::{Btrit, RawEncoding, RawEncodingBuf, TritBuf, Trits, Tryte};
 
+use alloc::vec::Vec;
+
 const TRYTES_PER_BYTE: usize = 2;
 const TRITS_PER_TRYTE: usize = 3;
 const TRITS_PER_BYTE: usize = TRYTES_PER_BYTE * TRITS_PER_TRYTE;

bee-ternary/src/convert.rs

@@ -5,7 +5,7 @@ use crate::{Btrit, RawEncoding, RawEncodingBuf, Trit, TritBuf, Trits, Utrit};
 
 use num_traits::{AsPrimitive, CheckedAdd, CheckedSub, FromPrimitive, Num, Signed};
 
-use std::cmp::PartialOrd;
+use core::cmp::PartialOrd;
 
 /// An error that may be produced during numeric conversion.
 #[derive(Debug, PartialEq)]
@@ -130,7 +130,7 @@ where
 
     let radix = I::from_i8(3).unwrap();
 
-    std::iter::from_fn(move || {
+    core::iter::from_fn(move || {
         if x.is_zero() {
             None
         } else {
@@ -153,7 +153,7 @@ where
 {
     let radix = I::from_u8(3).unwrap();
 
-    std::iter::from_fn(move || {
+    core::iter::from_fn(move || {
         if x.is_zero() {
             None
         } else {

bee-ternary/src/lib.rs

@@ -51,8 +51,11 @@
 //! buffer will always start on an index of the *original* buffer that is a multiple of 3.
 
 #![deny(missing_docs)]
+#![cfg_attr(not(feature = "std"), no_std)]
 
-use std::slice;
+extern crate alloc;
+
+use core::slice;
 
 /// Utility functions for encoding and decoding B1T6 encoding.
 pub mod b1t6;
@@ -90,11 +93,12 @@ pub use crate::{
     tryte::{Tryte, TryteBuf},
 };
 
-use std::{
+use alloc::borrow::ToOwned;
+use core::{
     any,
     borrow::{Borrow, BorrowMut},
     cmp::Ordering,
-    error, fmt, hash,
+    fmt, hash,
     ops::{
         Deref, DerefMut, Index, IndexMut, Neg, Range, RangeFrom, RangeFull, RangeInclusive, RangeTo, RangeToInclusive,
     },
@@ -115,7 +119,8 @@ impl fmt::Display for Error {
     }
 }
 
-impl error::Error for Error {}
+#[cfg(feature = "std")]
+impl std::error::Error for Error {}
 
 /// A type that represents a buffer of trits of unknown length.
 ///
@@ -135,7 +140,7 @@ where
         unsafe { &*(T::empty() as *const _ as *const Self) }
     }
 
-    /// Interpret an (`std::i8`) slice as a trit slice with the given encoding without first
+    /// Interpret an (`core::i8`) slice as a trit slice with the given encoding without first
     /// checking that the slice is valid in the given encoding. The `num_trits` parameter is used
     /// to specify the exact length, in trits, that the slice should be taken to have. Providing a
     /// slice that is not valid for this encoding is undefined behaviour.
@@ -159,7 +164,7 @@ where
         &*(T::from_raw_unchecked(raw, num_trits) as *const _ as *const _)
     }
 
-    /// Interpret a mutable (`std::i8`) slice as a mutable trit slice with the given encoding
+    /// Interpret a mutable (`core::i8`) slice as a mutable trit slice with the given encoding
     /// without first checking that the slice is valid in the given encoding. The `num_trits`
     /// parameter is used to specify the exact length, in trits, that the slice should be taken to
     /// have. Providing a slice that is not valid for this encoding is undefined behaviour.
@@ -183,7 +188,7 @@ where
         &mut *(T::from_raw_unchecked_mut(raw, num_trits) as *mut _ as *mut _)
     }
 
-    /// Interpret an (`std::i8`) slice as a trit slice with the given encoding, checking to ensure
+    /// Interpret an (`core::i8`) slice as a trit slice with the given encoding, checking to ensure
     /// that the slice is valid in the given encoding. The `num_trits` parameter is used to specify
     /// the exact length, in trits, that the slice should be taken to have.
     ///
@@ -199,7 +204,7 @@ where
         }
     }
 
-    /// Interpret a mutable (`std::i8`) slice as a mutable trit slice with the given encoding,
+    /// Interpret a mutable (`core::i8`) slice as a mutable trit slice with the given encoding,
     /// checking to ensure that the slice is valid in the given encoding. The `num_trits` parameter
     /// is used to specify the exact length, in trits, that the slice should be taken to have.
     ///
@@ -225,7 +230,7 @@ where
         self.0.len()
     }
 
-    /// Interpret this slice as an (`std::i8`) slice.
+    /// Interpret this slice as an (`core::i8`) slice.
     ///
     /// # Panics
     ///
@@ -234,7 +239,7 @@ where
         self.0.as_i8_slice()
     }
 
-    /// Interpret this slice as a mutable (`std::i8`) slice.
+    /// Interpret this slice as a mutable (`core::i8`) slice.
     ///
     /// # Panics
     ///

bee-ternary/src/raw.rs

@@ -3,7 +3,7 @@
 
 use crate::{Trit, TritBuf};
 
-use std::ops::Range;
+use core::ops::Range;
 
 /// A trait to be implemented by alternative trit encoding scheme slices.
 #[allow(clippy::len_without_is_empty)]
@@ -107,10 +107,6 @@ pub trait RawEncodingBuf {
         T: RawEncodingBuf,
         T::Slice: RawEncoding<Trit = <Self::Slice as RawEncoding>::Trit>,
     {
-        // if TypeId::of::<Self>() == TypeId::of::<T>() {
-        //     unsafe { std::mem::transmute(this) }
-        // } else {
         this.iter().collect()
-        // }
     }
 }

bee-ternary/src/serde.rs

@@ -9,7 +9,7 @@ use serde::{
     Deserialize, Deserializer, Serialize, Serializer,
 };
 
-use std::{fmt, marker::PhantomData};
+use core::{fmt, marker::PhantomData};
 
 // Serialisation
 

bee-ternary/src/t1b1.rs

@@ -1,9 +1,12 @@
 // Copyright 2020-2021 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
+extern crate alloc;
+
 use crate::{trit::ShiftTernary, Btrit, RawEncoding, RawEncodingBuf, Trit};
 
-use std::{hash, marker::PhantomData, ops::Range};
+use alloc::vec::Vec;
+use core::{hash, marker::PhantomData, ops::Range};
 
 const TRITS_PER_BYTE: usize = 1;
 
@@ -16,7 +19,7 @@ pub struct T1B1<T: Trit = Btrit> {
 
 impl<T: Trit> T1B1<T> {
     unsafe fn make(ptr: *const T, offset: usize, len: usize) -> *const Self {
-        std::mem::transmute((ptr.add(offset), len))
+        core::mem::transmute((ptr.add(offset), len))
     }
 
     unsafe fn ptr(&self, index: usize) -> *const T {
@@ -120,7 +123,7 @@ where
         }
 
         // Take ownership of the inner vector and cast it to a `Vec<T::Target>`
-        let raw_trits = std::mem::ManuallyDrop::new(trit_buf.0);
+        let raw_trits = core::mem::ManuallyDrop::new(trit_buf.0);
 
         let p = raw_trits.as_ptr();
         let len = raw_trits.len();

bee-ternary/src/t2b1.rs

@@ -1,9 +1,12 @@
 // Copyright 2020-2021 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
+extern crate alloc;
+
 use crate::{Btrit, RawEncoding, RawEncodingBuf, ShiftTernary, Utrit};
 
-use std::ops::Range;
+use alloc::vec::Vec;
+use core::ops::Range;
 
 const TRITS_PER_BYTE: usize = 2;
 // Number required to push a byte between balanced and unbalanced representations
@@ -16,7 +19,7 @@ pub struct T2B1([()]);
 impl T2B1 {
     unsafe fn make(ptr: *const i8, offset: usize, len: usize) -> *const Self {
         let len = (len << 2) | (offset % TRITS_PER_BYTE);
-        std::mem::transmute((ptr.add(offset / TRITS_PER_BYTE), len))
+        core::mem::transmute((ptr.add(offset / TRITS_PER_BYTE), len))
     }
 
     unsafe fn ptr(&self, index: usize) -> *const i8 {
@@ -67,7 +70,7 @@ impl RawEncoding for T2B1 {
     fn as_i8_slice(&self) -> &[i8] {
         assert!(self.len_offset().1 == 0);
         unsafe {
-            std::slice::from_raw_parts(
+            core::slice::from_raw_parts(
                 self as *const _ as *const _,
                 (self.len() + TRITS_PER_BYTE - 1) / TRITS_PER_BYTE,
             )
@@ -76,7 +79,7 @@ impl RawEncoding for T2B1 {
 
     unsafe fn as_i8_slice_mut(&mut self) -> &mut [i8] {
         assert!(self.len_offset().1 == 0);
-        std::slice::from_raw_parts_mut(
+        core::slice::from_raw_parts_mut(
             self as *mut _ as *mut _,
             (self.len() + TRITS_PER_BYTE - 1) / TRITS_PER_BYTE,
         )

bee-ternary/src/t3b1.rs

@@ -1,9 +1,12 @@
 // Copyright 2020-2021 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
+extern crate alloc;
+
 use crate::{Btrit, RawEncoding, RawEncodingBuf, ShiftTernary, Utrit};
 
-use std::ops::Range;
+use alloc::vec::Vec;
+use core::ops::Range;
 
 const TRITS_PER_BYTE: usize = 3;
 // Number required to push a byte between balanced and unbalanced representations
@@ -16,7 +19,7 @@ pub struct T3B1([()]);
 impl T3B1 {
     pub(crate) unsafe fn make(ptr: *const i8, offset: usize, len: usize) -> *const Self {
         let len = (len << 2) | (offset % TRITS_PER_BYTE);
-        std::mem::transmute((ptr.add(offset / TRITS_PER_BYTE), len))
+        core::mem::transmute((ptr.add(offset / TRITS_PER_BYTE), len))
     }
 
     unsafe fn ptr(&self, index: usize) -> *const i8 {
@@ -69,7 +72,7 @@ impl RawEncoding for T3B1 {
     fn as_i8_slice(&self) -> &[i8] {
         assert!(self.len_offset().1 == 0);
         unsafe {
-            std::slice::from_raw_parts(
+            core::slice::from_raw_parts(
                 self as *const _ as *const _,
                 (self.len() + TRITS_PER_BYTE - 1) / TRITS_PER_BYTE,
             )
@@ -78,7 +81,7 @@ impl RawEncoding for T3B1 {
 
     unsafe fn as_i8_slice_mut(&mut self) -> &mut [i8] {
         assert!(self.len_offset().1 == 0);
-        std::slice::from_raw_parts_mut(
+        core::slice::from_raw_parts_mut(
             self as *mut _ as *mut _,
             (self.len() + TRITS_PER_BYTE - 1) / TRITS_PER_BYTE,
         )

bee-ternary/src/t4b1.rs

@@ -1,9 +1,12 @@
 // Copyright 2020-2021 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
+extern crate alloc;
+
 use crate::{Btrit, RawEncoding, RawEncodingBuf, ShiftTernary, Utrit};
 
-use std::ops::Range;
+use alloc::vec::Vec;
+use core::ops::Range;
 
 const TRITS_PER_BYTE: usize = 4;
 // Number required to push a byte between balanced and unbalanced representationsconst TPB: usize = 4;
@@ -16,7 +19,7 @@ pub struct T4B1([()]);
 impl T4B1 {
     unsafe fn make(ptr: *const i8, offset: usize, len: usize) -> *const Self {
         let len = (len << 2) | (offset % TRITS_PER_BYTE);
-        std::mem::transmute((ptr.add(offset / TRITS_PER_BYTE), len))
+        core::mem::transmute((ptr.add(offset / TRITS_PER_BYTE), len))
     }
 
     unsafe fn ptr(&self, index: usize) -> *const i8 {
@@ -67,7 +70,7 @@ impl RawEncoding for T4B1 {
     fn as_i8_slice(&self) -> &[i8] {
         assert!(self.len_offset().1 == 0);
         unsafe {
-            std::slice::from_raw_parts(
+            core::slice::from_raw_parts(
                 self as *const _ as *const _,
                 (self.len() + TRITS_PER_BYTE - 1) / TRITS_PER_BYTE,
             )
@@ -76,7 +79,7 @@ impl RawEncoding for T4B1 {
 
     unsafe fn as_i8_slice_mut(&mut self) -> &mut [i8] {
         assert!(self.len_offset().1 == 0);
-        std::slice::from_raw_parts_mut(
+        core::slice::from_raw_parts_mut(
             self as *mut _ as *mut _,
             (self.len() + TRITS_PER_BYTE - 1) / TRITS_PER_BYTE,
         )