feat: add BorshSerializeAsync/BorshDeserializeAsync (WIP)

.github/test.sh

@@ -15,6 +15,9 @@ pushd borsh
 cargo test --no-run
 cargo test
 cargo test --features derive
+cargo test --features derive,unstable__tokio
+cargo test --features derive,unstable__async-std
+cargo test --features derive,unstable__async 'compile_derives::async_derives'
 cargo test --features unstable__schema
 ########## features = ["ascii"] group
 cargo test --features ascii 'roundtrip::test_ascii_strings'

.github/workflows/rust.yml

@@ -20,7 +20,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        rust_version: [1.67, stable]
+        rust_version: [1.75.0, stable]
     runs-on: ubuntu-20.04
 
     steps:
@@ -63,7 +63,13 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Run clippy
-      run: cargo clippy --features unstable__schema --benches -- -D clippy::all
+      run: cargo clippy --features rc,ascii,unstable__schema --benches -- -D clippy::all
+    - name: Run clippy (async)
+      run: cargo clippy --features rc,ascii,unstable__schema,unstable__async --benches -- -D clippy::all
+    - name: Run clippy (tokio)
+      run: cargo clippy --features rc,ascii,unstable__schema,unstable__tokio --benches -- -D clippy::all
+    - name: Run clippy (async-std)
+      run: cargo clippy --features rc,ascii,unstable__schema,unstable__async-std --benches -- -D clippy::all
 
   cargo-fmt:
     runs-on: ubuntu-20.04
@@ -82,7 +88,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: run cargo doc
-      run: RUSTDOCFLAGS="-D warnings" cargo doc --features derive,unstable__schema
+      run: RUSTDOCFLAGS="-D warnings" cargo doc --features derive,rc,ascii,unstable__schema,unstable__async
 
   release-plz:
     runs-on: ubuntu-latest

Cargo.toml

@@ -1,7 +1,9 @@
 [workspace]
+resolver = "2"
 members = ["borsh", "borsh-derive", "fuzz/fuzz-run", "benchmarks"]
 
 [workspace.package]
 # shared version of all public crates in the workspace
 version = "1.5.5"
-rust-version = "1.67.0"
+edition = "2021"
+rust-version = "1.75.0"

benchmarks/Cargo.toml

@@ -3,7 +3,7 @@ name = "benchmarks"
 version.workspace = true
 rust-version.workspace = true
 authors = ["Near Inc <[email protected]>"]
-edition = "2018"
+edition.workspace = true
 publish = false
 
 # This is somehow needed for command line arguments to work: https://github.com/bheisler/criterion.rs/issues/193#issuecomment-415740713
@@ -13,7 +13,7 @@ bench = false
 [dependencies]
 rand_xorshift = "0.2.0"
 rand = "0.7.0"
-borsh = { path = "../borsh", default-features = false }
+borsh = { path = "../borsh", default-features = false, features = ["std", "derive"] }
 serde = { version = "1.0", features = ["derive"] }
 speedy-derive = "0.5"
 speedy = "0.5"
@@ -39,6 +39,3 @@ harness = false
 [[bench]]
 name = "object_length"
 harness = false
-
-[features]
-default = ["borsh/std", "borsh/derive"]

benchmarks/benches/bench.rs

@@ -14,8 +14,8 @@ where
         + BorshDeserialize
         + SerdeSerialize
         + SerdeDeserialize<'a>
-        + Readable<'a, speedy::Endianness>
-        + Writable<speedy::Endianness>
+        + Readable<'a, Endianness>
+        + Writable<Endianness>
         + 'static,
 {
     let mut rng = rand_xorshift::XorShiftRng::from_seed([0u8; 16]);
@@ -71,8 +71,8 @@ where
         + BorshDeserialize
         + SerdeSerialize
         + SerdeDeserialize<'a>
-        + Readable<'a, speedy::Endianness>
-        + Writable<speedy::Endianness>
+        + Readable<'a, Endianness>
+        + Writable<Endianness>
         + 'static,
 {
     let mut rng = rand_xorshift::XorShiftRng::from_seed([0u8; 16]);

benchmarks/benches/object_length.rs

@@ -1,5 +1,5 @@
 use benchmarks::{Generate, ValidatorStake};
-use borsh::{to_vec, BorshSerialize};
+use borsh::BorshSerialize;
 use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
 use rand::SeedableRng;
 
@@ -11,7 +11,7 @@ where
     let mut group = c.benchmark_group(group_name);
 
     let objects: Vec<_> = (0..num_samples).map(|_| T::generate(&mut rng)).collect();
-    let borsh_datas: Vec<Vec<u8>> = objects.iter().map(|t| to_vec(t).unwrap()).collect();
+    let borsh_datas: Vec<Vec<u8>> = objects.iter().map(|t| borsh::to_vec(t).unwrap()).collect();
     let borsh_sizes: Vec<_> = borsh_datas.iter().map(|d| d.len()).collect();
 
     for i in 0..objects.len() {