feat(solver-wasm): replace outdated wee-alloc with FreeListAllocator from lol-alloc

pkgs/solver-wasm/Cargo.lock

@@ -2,6 +2,12 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "autocfg"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -17,12 +23,6 @@ version = "3.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46c5e41b57b8bba42a04676d81cb89e9ee8e859a1a66f80a5a72e1cb76b34d43"
 
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.1"
@@ -74,6 +74,16 @@ version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
+[[package]]
+name = "lock_api"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96936507f153605bddfcda068dd804796c84324ed2510809e5b2a624c81da765"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.27"
@@ -81,10 +91,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
 
 [[package]]
-name = "memory_units"
-version = "0.4.0"
+name = "lol_alloc"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8452105ba047068f40ff7093dd1d9da90898e63dd61736462e9cdda6a90ad3c3"
+checksum = "83e5106554cabc97552dcadf54f57560ae6af3276652f82ca2be06120dc4c5dc"
+dependencies = [
+ "spin",
+]
 
 [[package]]
 name = "once_cell"
@@ -116,13 +129,19 @@ version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a0d197bd2c9dc6e53b84da9556a69ba4cdfab8619eb41a8bd1cc2027a0f6b1d"
 
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
 [[package]]
 name = "sha2"
 version = "0.10.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
 dependencies = [
- "cfg-if 1.0.1",
+ "cfg-if",
  "cpufeatures",
  "digest",
 ]
@@ -131,9 +150,18 @@ dependencies = [
 name = "solver-wasm"
 version = "0.0.0"
 dependencies = [
+ "lol_alloc",
  "sha2",
  "wasm-bindgen",
- "wee_alloc",
+]
+
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+dependencies = [
+ "lock_api",
 ]
 
 [[package]]
@@ -171,7 +199,7 @@ version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
 dependencies = [
- "cfg-if 1.0.1",
+ "cfg-if",
  "once_cell",
  "rustversion",
  "wasm-bindgen-macro",
@@ -222,37 +250,3 @@ checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
 dependencies = [
  "unicode-ident",
 ]
-
-[[package]]
-name = "wee_alloc"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
-dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "memory_units",
- "winapi",
-]
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

pkgs/solver-wasm/Cargo.toml

@@ -9,7 +9,7 @@ crate-type = ["cdylib"]
 [dependencies]
 wasm-bindgen = "0.2"
 sha2 = "0.10"
-wee_alloc = { version = "0.4", default-features = false }
+lol_alloc = "0.4"
 
 [profile.release]
 lto = true

pkgs/solver-wasm/src/lib.rs

@@ -1,11 +1,12 @@
-extern crate wee_alloc;
-
-#[global_allocator]
-static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
-
 use sha2::{Digest, Sha256};
 use wasm_bindgen::prelude::*;
 
+#[cfg(target_arch = "wasm32")]
+#[global_allocator]
+static ALLOCATOR: lol_alloc::AssumeSingleThreaded<lol_alloc::FreeListAllocator> =
+    // SAFETY: This application is single threaded, so using AssumeSingleThreaded is allowed.
+    unsafe { lol_alloc::AssumeSingleThreaded::new(lol_alloc::FreeListAllocator::new()) };
+
 #[wasm_bindgen]
 pub fn solve(nonce: Box<[u8]>, target: Box<[u8]>, difficulty_bits: u32) -> Box<[u8]> {
     let mut buf = vec![0u8; 8 + nonce.len()];