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https://github.com/pezkuwichain/pezkuwi-subxt.git
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Gav
39 lines
1.1 KiB
Rust
39 lines
1.1 KiB
Rust
// Copyright 2017 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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//! Hashable trait.
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use codec::Slicable;
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use runtime_std::{blake2_256, twox_128, twox_256};
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pub trait Hashable: Sized {
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fn blake2_256(&self) -> [u8; 32];
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fn twox_128(&self) -> [u8; 16];
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fn twox_256(&self) -> [u8; 32];
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}
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impl<T: Slicable> Hashable for T {
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fn blake2_256(&self) -> [u8; 32] {
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blake2_256(&self.to_vec())
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}
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fn twox_128(&self) -> [u8; 16] {
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twox_128(&self.to_vec())
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}
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fn twox_256(&self) -> [u8; 32] {
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twox_256(&self.to_vec())
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}
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}
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