mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 13:57:58 +00:00
Kian Paimani
183c188111
* Initial draft that compiles * Extract payment stuff from balances * Extract multiplier update stuff from system * Some fixes. * Update len-fee as well * some review comments. * Remove todo * bump
85 lines
3.7 KiB
Rust
85 lines
3.7 KiB
Rust
// Copyright 2019 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate 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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// Substrate 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 Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! A set of constant values used in substrate runtime.
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/// Money matters.
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pub mod currency {
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use node_primitives::Balance;
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pub const MILLICENTS: Balance = 1_000_000_000;
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pub const CENTS: Balance = 1_000 * MILLICENTS; // assume this is worth about a cent.
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pub const DOLLARS: Balance = 100 * CENTS;
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}
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/// Time.
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pub mod time {
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use node_primitives::{Moment, BlockNumber};
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/// Since BABE is probabilistic this is the average expected block time that
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/// we are targetting. Blocks will be produced at a minimum duration defined
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/// by `SLOT_DURATION`, but some slots will not be allocated to any
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/// authority and hence no block will be produced. We expect to have this
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/// block time on average following the defined slot duration and the value
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/// of `c` configured for BABE (where `1 - c` represents the probability of
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/// a slot being empty).
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/// This value is only used indirectly to define the unit constants below
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/// that are expressed in blocks. The rest of the code should use
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/// `SLOT_DURATION` instead (like the timestamp module for calculating the
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/// minimum period).
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///
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/// If using BABE with secondary slots (default) then all of the slots will
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/// always be assigned, in which case `MILLISECS_PER_BLOCK` and
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/// `SLOT_DURATION` should have the same value.
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///
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/// <https://research.web3.foundation/en/latest/polkadot/BABE/Babe/#6-practical-results>
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pub const MILLISECS_PER_BLOCK: Moment = 3000;
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pub const SECS_PER_BLOCK: Moment = MILLISECS_PER_BLOCK / 1000;
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pub const SLOT_DURATION: Moment = MILLISECS_PER_BLOCK;
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// 1 in 4 blocks (on average, not counting collisions) will be primary BABE blocks.
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pub const PRIMARY_PROBABILITY: (u64, u64) = (1, 4);
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pub const EPOCH_DURATION_IN_BLOCKS: BlockNumber = 10 * MINUTES;
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pub const EPOCH_DURATION_IN_SLOTS: u64 = {
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const SLOT_FILL_RATE: f64 = MILLISECS_PER_BLOCK as f64 / SLOT_DURATION as f64;
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(EPOCH_DURATION_IN_BLOCKS as f64 * SLOT_FILL_RATE) as u64
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};
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// These time units are defined in number of blocks.
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pub const MINUTES: BlockNumber = 60 / (SECS_PER_BLOCK as BlockNumber);
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pub const HOURS: BlockNumber = MINUTES * 60;
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pub const DAYS: BlockNumber = HOURS * 24;
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}
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// CRITICAL NOTE: The system module maintains two constants: a _maximum_ block weight and a _ratio_
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// of it yielding the portion which is accessible to normal transactions (reserving the rest for
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// operational ones). `TARGET_BLOCK_FULLNESS` is entirely independent and the system module is not
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// aware of if, nor should it care about it. This constant simply denotes on which ratio of the
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// _maximum_ block weight we tweak the fees. It does NOT care about the type of the dispatch.
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//
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// For the system to be configured in a sane way, `TARGET_BLOCK_FULLNESS` should always be less than
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// the ratio that `system` module uses to find normal transaction quota.
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/// Fee-related.
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pub mod fee {
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pub use sr_primitives::Perbill;
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/// The block saturation level. Fees will be updates based on this value.
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pub const TARGET_BLOCK_FULLNESS: Perbill = Perbill::from_percent(25);
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}
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