mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-09 05:57:23 +00:00
Shawn Tabrizi
ff5d56fb76
* cargo +nightly fmt * add cargo-fmt check to ci * update ci * fmt * fmt * skip macro * ignore bridges
38 lines
1.5 KiB
Rust
38 lines
1.5 KiB
Rust
// Copyright 2019-2020 Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Polkadot is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//! Utilities for writing parachain WASM.
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/// Load the validation params from memory when implementing a Rust parachain.
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///
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/// Offset and length must have been provided by the validation
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/// function's entry point.
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#[cfg(not(feature = "std"))]
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pub unsafe fn load_params(params: *const u8, len: usize) -> crate::primitives::ValidationParams {
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let mut slice = sp_std::slice::from_raw_parts(params, len);
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parity_scale_codec::Decode::decode(&mut slice).expect("Invalid input data")
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}
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/// Allocate the validation result in memory, getting the return-pointer back.
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///
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/// As described in the crate docs, this is a pointer to the appended length
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/// of the vector.
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#[cfg(not(feature = "std"))]
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pub fn write_result(result: &crate::primitives::ValidationResult) -> u64 {
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sp_core::to_substrate_wasm_fn_return_value(&result)
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}
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