chore: update CI, lock files and flake for no_std targets

Author: caarloshenriq

.github/workflows/rust.yml

@@ -159,3 +159,21 @@ jobs:
         uses: Swatinem/rust-cache@v2
       - name: "Build fuzz targets"
         run: cd fuzz && cargo build
+
+  Embedded:
+    name: Embedded build
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout repo"
+        uses: actions/checkout@v4
+      - name: "Install nightly toolchain"
+        uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rust-src
+          targets: thumbv7em-none-eabihf
+      - name: Install ARM cross compiler
+        run: sudo apt-get update && sudo apt-get install -y gcc-arm-none-eabi
+      - name: "Build embedded target"
+        env:
+          CC_thumbv7em_none_eabihf: arm-none-eabi-gcc
+        run: cargo build -p payjoin --no-default-features --features "alloc,v2" --target thumbv7em-none-eabihf -Zbuild-std=core,alloc

Cargo-minimal.lock

@@ -2781,6 +2781,7 @@ dependencies = [
  "bitcoin-ohttp",
  "bitcoin-units",
  "bitcoin_uri",
+ "getrandom 0.3.4",
  "http",
  "once_cell",
  "payjoin-test-utils",

Cargo-recent.lock

@@ -1678,21 +1678,21 @@ dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "getrandom"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
 dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
  "r-efi",
- "wasi 0.14.2+wasi-0.2.4",
+ "wasip2",
  "wasm-bindgen",
 ]
 
@@ -1882,12 +1882,11 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "1.3.1"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4a85d31aea989eead29a3aaf9e1115a180df8282431156e533de47660892565"
+checksum = "e3ba2a386d7f85a81f119ad7498ebe444d2e22c2af0b86b069416ace48b3311a"
 dependencies = [
  "bytes",
- "fnv",
  "itoa",
 ]
 
@@ -2225,7 +2224,7 @@ version = "0.1.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9afb3de4395d6b3e67a780b6de64b51c978ecf11cb9a462c66be7d4ca9039d33"
 dependencies = [
- "getrandom 0.3.3",
+ "getrandom 0.3.4",
  "libc",
 ]
 
@@ -2452,7 +2451,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "02bd0af71c67b473010cbbc60715ee815645a4dc942899111f494b4b737d6fda"
 dependencies = [
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
  "windows-sys 0.61.2",
 ]
 
@@ -2757,6 +2756,7 @@ dependencies = [
  "bitcoin-ohttp",
  "bitcoin-units",
  "bitcoin_uri",
+ "getrandom 0.3.4",
  "http",
  "once_cell",
  "payjoin-test-utils",
@@ -3157,7 +3157,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49df843a9161c85bb8aae55f101bc0bac8bcafd637a620d9122fd7e0b2f7422e"
 dependencies = [
  "bytes",
- "getrandom 0.3.3",
+ "getrandom 0.3.4",
  "lru-slab",
  "rand 0.9.1",
  "ring",
@@ -3278,7 +3278,7 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
 dependencies = [
- "getrandom 0.3.3",
+ "getrandom 0.3.4",
 ]
 
 [[package]]
@@ -4122,7 +4122,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8a64e3985349f2441a1a9ef0b853f869006c3855f2cda6862a94d26ebb9d6a1"
 dependencies = [
  "fastrand",
- "getrandom 0.3.3",
+ "getrandom 0.3.4",
  "once_cell",
  "rustix 1.0.7",
  "windows-sys 0.59.0",
@@ -4949,7 +4949,7 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2e054861b4bd027cd373e18e8d8d8e6548085000e41290d95ce0c373a654b4a"
 dependencies = [
- "getrandom 0.3.3",
+ "getrandom 0.3.4",
  "js-sys",
  "rand 0.9.1",
  "wasm-bindgen",
@@ -4989,12 +4989,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
-name = "wasi"
-version = "0.14.2+wasi-0.2.4"
+name = "wasip2"
+version = "1.0.2+wasi-0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
+checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
 dependencies = [
- "wit-bindgen-rt",
+ "wit-bindgen",
 ]
 
 [[package]]
@@ -5419,13 +5419,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "wit-bindgen-rt"
-version = "0.39.0"
+name = "wit-bindgen"
+version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
-dependencies = [
- "bitflags 2.6.0",
-]
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
 
 [[package]]
 name = "writeable"

flake.nix

@@ -340,6 +340,24 @@
           AR_wasm32_unknown_unknown = "${pkgs.llvmPackages.bintools-unwrapped}/bin/llvm-ar";
         };
 
+        embeddedRustToolchain = (pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml).override {
+          extensions = [
+            "rust-src"
+            "rustfmt"
+            "llvm-tools-preview"
+          ];
+          targets = [ "thumbv7em-none-eabihf" ];
+        };
+
+        embeddedDevShell = pkgs.mkShell {
+          name = "embedded-dev";
+          packages = with pkgs; [
+            embeddedRustToolchain
+            gcc-arm-embedded
+          ];
+          CC_thumbv7em_none_eabihf = "arm-none-eabi-gcc";
+        };
+
         dartDevShell = pkgs.mkShell {
           name = "dart-dev";
           packages =
@@ -461,6 +479,7 @@
           javascript = javascriptDevShell;
           csharp = csharpDevShell;
           dart = dartDevShell;
+          embedded = embeddedDevShell;
         };
         formatter = treefmtEval.config.build.wrapper;
         checks =