Implemented a workaround to bypass the [issue](rust-lang/cargo#8170).

EthanYuan · Aug 28, 2023 · df3e332 · df3e332
1 parent 5f0304b
commit df3e332
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Showing 2 changed files with 12 additions and 6 deletions.
diff --git a/util/hash/Cargo.toml b/util/hash/Cargo.toml
@@ -9,11 +9,14 @@ homepage = "https://github.com/nervosnetwork/ckb"
 repository = "https://github.com/nervosnetwork/ckb"
 
 [features]
-default = []
-ckb-contract = [] # This feature is used for CKB contract development
+default = ["blake2b"]
+ckb-contract = ["blake2b-ref"] # This feature is used for CKB contract development
 
-[target.'cfg(not(any(target_arch = "wasm32", features = "ckb-contract")))'.dependencies]
-blake2b = { package = "blake2b-rs", version = "0.2" }
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+blake2b = { package = "blake2b-rs", version = "0.2", optional = true }
 
-[target.'cfg(any(target_arch = "wasm32", features = "ckb-contract"))'.dependencies]
-blake2b = { package = "blake2b-ref", version = "0.2.0" }
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+blake2b = { package = "blake2b-ref", version = "0.2.0", optional = true }
+
+[dependencies]
+blake2b-ref = { version = "0.2.0", optional = true }
diff --git a/util/hash/src/lib.rs b/util/hash/src/lib.rs
@@ -9,7 +9,10 @@
 
 #![no_std]
 
+#[cfg(feature = "default")]
 pub use blake2b::{Blake2b, Blake2bBuilder};
+#[cfg(feature = "ckb-contract")]
+pub use blake2b_ref::{Blake2b, Blake2bBuilder};
 
 #[doc(hidden)]
 pub const BLAKE2B_KEY: &[u8] = &[];