23 lines
811 B
Rust
23 lines
811 B
Rust
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// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity 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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// Parity 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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//! Canonical hash trie definitions and helper functions.
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/// The size of each CHT.
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pub const SIZE: u64 = 2048;
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/// Convert a block number to a CHT number.
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pub fn block_to_cht_number(block_num: u64) -> u64 {
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(block_num + 1) / SIZE
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}
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