feat(serde): borsh

.github/workflows/test.yml

@@ -19,7 +19,8 @@ jobs:
       - name: Install latest stable Rust
         run: rustup install stable
       - name: Check crate builds on stable
-        run: cargo build --features serde,numtraits,rand,arbitrary && cargo build
+        # NOTE: consider using https://github.com/frewsxcv/cargo-all-features, because all features != their arbitrary combinations
+        run: cargo build --features serde,numtraits,rand,arbitrary,borsh && cargo build
   test_nightly:
     runs-on: ubuntu-latest
     steps:

Cargo.toml

@@ -20,6 +20,7 @@ default = []
 nightly = []
 serde = ["dep:serde", "serde-big-array"]
 numtraits = ["num-integer", "num-traits"]
+borsh = ["dep:borsh"]
 
 [dependencies]
 num-integer = { version = "0.1", optional = true, default-features = false }
@@ -33,6 +34,7 @@ quickcheck = { version = "1.0", optional = true, default-features = false }
 # proptest = { version = "1.2", optional = true, default-features = false }
 valuable = { version = "0.1", optional = true, features = ["derive"], default-features = false }
 # lit-parser = { path = "./lit-parser/", optional = true }
+borsh = { version = "^1.5", optional = true, default-features = false, features = ["rc", "std", "unstable__schema"]}
 
 [dev-dependencies]
 quickcheck = "1.0"

src/bint/mod.rs

@@ -28,6 +28,12 @@ use crate::{doc, errors};
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
+#[cfg(feature = "borsh")]
+use ::{
+    alloc::string::ToString,
+    borsh::{BorshDeserialize, BorshSchema, BorshSerialize},
+};
+
 use core::default::Default;
 
 use core::iter::{Iterator, Product, Sum};
@@ -46,6 +52,7 @@ macro_rules! mod_impl {
 
         #[derive(Clone, Copy, Hash, PartialEq, Eq)]
         #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+        #[cfg_attr(feature = "borsh", derive(BorshSerialize, BorshDeserialize, BorshSchema))]                
         #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
         #[cfg_attr(feature = "valuable", derive(valuable::Valuable))]
         #[repr(transparent)]

src/buint/mod.rs

@@ -11,6 +11,12 @@ use ::{
     serde_big_array::BigArray,
 };
 
+#[cfg(feature = "borsh")]
+use ::{
+    alloc::string::ToString,
+    borsh::{BorshDeserialize, BorshSchema, BorshSerialize},
+};
+
 use core::default::Default;
 
 use core::iter::{Iterator, Product, Sum};
@@ -29,6 +35,7 @@ macro_rules! mod_impl {
 
         #[derive(Clone, Copy, Hash, PartialEq, Eq)]
         #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+        #[cfg_attr(feature = "borsh", derive(BorshSerialize, BorshDeserialize, BorshSchema))]
         #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
         #[cfg_attr(feature = "valuable", derive(valuable::Valuable))]
         #[repr(transparent)]