mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-07 03:47:22 +00:00
Shawn Tabrizi
96 lines
3.5 KiB
Rust
96 lines
3.5 KiB
Rust
// Copyright 2017-2020 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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//! Shareable Polkadot types.
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#![warn(missing_docs)]
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#![cfg_attr(not(feature = "std"), no_std)]
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use runtime_primitives::{generic, MultiSignature};
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pub use runtime_primitives::traits::{BlakeTwo256, Hash as HashT, Verify, IdentifyAccount};
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pub mod parachain;
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pub use parity_scale_codec::Compact;
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/// An index to a block.
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/// 32-bits will allow for 136 years of blocks assuming 1 block per second.
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pub type BlockNumber = u32;
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/// An instant or duration in time.
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pub type Moment = u64;
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/// Alias to type for a signature for a transaction on the relay chain. This allows one of several
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/// kinds of underlying crypto to be used, so isn't a fixed size when encoded.
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pub type Signature = MultiSignature;
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/// Alias to the public key used for this chain, actually a `MultiSigner`. Like the signature, this
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/// also isn't a fixed size when encoded, as different cryptos have different size public keys.
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pub type AccountPublic = <Signature as Verify>::Signer;
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/// Alias to the opaque account ID type for this chain, actually a `AccountId32`. This is always
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/// 32 bytes.
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pub type AccountId = <AccountPublic as IdentifyAccount>::AccountId;
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/// The type for looking up accounts. We don't expect more than 4 billion of them.
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pub type AccountIndex = u32;
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/// Identifier for a chain. 32-bit should be plenty.
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pub type ChainId = u32;
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/// A hash of some data used by the relay chain.
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pub type Hash = primitives::H256;
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/// Index of a transaction in the relay chain. 32-bit should be plenty.
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pub type Nonce = u32;
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/// The balance of an account.
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/// 128-bits (or 38 significant decimal figures) will allow for 10m currency (10^7) at a resolution
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/// to all for one second's worth of an annualised 50% reward be paid to a unit holder (10^11 unit
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/// denomination), or 10^18 total atomic units, to grow at 50%/year for 51 years (10^9 multiplier)
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/// for an eventual total of 10^27 units (27 significant decimal figures).
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/// We round denomination to 10^12 (12 sdf), and leave the other redundancy at the upper end so
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/// that 32 bits may be multiplied with a balance in 128 bits without worrying about overflow.
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pub type Balance = u128;
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/// Header type.
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pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
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/// Block type.
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pub type Block = generic::Block<Header, UncheckedExtrinsic>;
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/// Block ID.
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pub type BlockId = generic::BlockId<Block>;
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/// Opaque, encoded, unchecked extrinsic.
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pub use runtime_primitives::OpaqueExtrinsic as UncheckedExtrinsic;
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/// Custom validity errors used in Polkadot while validating transactions.
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#[repr(u8)]
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pub enum ValidityError {
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/// The ethereum signature is invalid.
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InvalidEthereumSignature = 0,
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/// The signer has no claim.
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SignerHasNoClaim = 1,
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/// No permission to execute the call.
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NoPermission = 2,
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}
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impl From<ValidityError> for u8 {
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fn from(err: ValidityError) -> Self {
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err as u8
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}
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}
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