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Remove deprecated host functions (#5038)

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Sadly we need to keep one function `ext_blake2_256`. This function is
manually defined in `sp-core`.
This commit is contained in:
Bastian Köcher
2020-02-27 13:38:55 +01:00
committed by GitHub
parent 5907b0d902
commit e5123166d4
8 changed files with 72 additions and 1139 deletions
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substrate/primitives/runtime-interface/test-wasm/src/lib.rs
+10 -17
View File
@@ -105,23 +105,6 @@ pub trait TestApi {
}
}
/// Two random external functions from the old runtime interface.
/// This ensures that we still inherently export these functions from the host and that we are still
/// compatible with old wasm runtimes.
#[cfg(not(feature = "std"))]
extern "C" {
pub fn ext_clear_storage(key_data: *const u8, key_len: u32);
pub fn ext_keccak_256(data: *const u8, len: u32, out: *mut u8);
}
/// Make sure the old runtime interface needs to be imported.
#[no_mangle]
#[cfg(not(feature = "std"))]
pub fn force_old_runtime_interface_import() {
unsafe { ext_clear_storage(sp_std::ptr::null(), 0); }
unsafe { ext_keccak_256(sp_std::ptr::null(), 0, sp_std::ptr::null_mut()); }
}
/// This function is not used, but we require it for the compiler to include `sp-io`.
/// `sp-io` is required for its panic and oom handler.
#[no_mangle]
@@ -248,4 +231,14 @@ wasm_export_functions! {
}
assert_eq!(0, len);
}
fn test_ext_blake2_256() {
use sp_core::Hasher;
let data = "hey, hash me please!";
let hash = sp_core::Blake2Hasher::hash(data.as_bytes());
let expected = sp_io::hashing::blake2_256(data.as_bytes());
assert_eq!(&expected, hash.as_ref());
}
}