mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Bastian Köcher
7b56ab15b4
* Run cargo fmt on the whole code base * Second run * Add CI check * Fix compilation * More unnecessary braces * Handle weights * Use --all * Use correct attributes... * Fix UI tests * AHHHHHHHHH * 🤦 * Docs * Fix compilation * 🤷 * Please stop * 🤦 x 2 * More * make rustfmt.toml consistent with polkadot Co-authored-by: André Silva <andrerfosilva@gmail.com>
78 lines
3.2 KiB
Rust
78 lines
3.2 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2019-2021 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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pub const fn deposit(items: u32, bytes: u32) -> Balance {
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items as Balance * 15 * CENTS + (bytes as Balance) * 6 * CENTS
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}
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}
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/// Time.
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pub mod time {
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use node_primitives::{BlockNumber, Moment};
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/// Since BABE is probabilistic this is the average expected block time that
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/// we are targeting. 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 pallet 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/block-production/Babe.html#-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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// NOTE: Currently it is not possible to change the slot duration after the chain has started.
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// Attempting to do so will brick block production.
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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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// NOTE: Currently it is not possible to change the epoch duration after the chain has started.
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// Attempting to do so will brick block production.
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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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