95 lines
4.0 KiB
Rust
95 lines
4.0 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common 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 Bridges Common 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 Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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//! Defines structures related to calls of the `pezpallet-bridge-grandpa` pezpallet.
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use crate::{justification, InitializationData};
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use codec::{Decode, Encode};
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use pezbp_runtime::HeaderOf;
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use pezframe_support::{weights::Weight, RuntimeDebugNoBound};
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use pezsp_consensus_grandpa::SetId;
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use pezsp_runtime::traits::{Header as HeaderT, Zero};
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use pezsp_std::{boxed::Box, fmt::Debug};
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use scale_info::TypeInfo;
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/// A minimized version of `pezpallet-bridge-grandpa::Call` that can be used without a runtime.
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#[derive(Encode, Decode, Debug, PartialEq, Eq, Clone, TypeInfo)]
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#[allow(non_camel_case_types)]
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pub enum BridgeGrandpaCall<Header: HeaderT> {
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/// `pezpallet-bridge-grandpa::Call::submit_finality_proof`
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#[codec(index = 0)]
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submit_finality_proof {
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/// The header that we are going to finalize.
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finality_target: Box<Header>,
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/// Finality justification for the `finality_target`.
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justification: justification::GrandpaJustification<Header>,
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},
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/// `pezpallet-bridge-grandpa::Call::initialize`
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#[codec(index = 1)]
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initialize {
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/// All data, required to initialize the pezpallet.
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init_data: InitializationData<Header>,
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},
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/// `pezpallet-bridge-grandpa::Call::submit_finality_proof_ex`
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#[codec(index = 4)]
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submit_finality_proof_ex {
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/// The header that we are going to finalize.
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finality_target: Box<Header>,
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/// Finality justification for the `finality_target`.
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justification: justification::GrandpaJustification<Header>,
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/// An identifier of the validators set, that have signed the justification.
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current_set_id: SetId,
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},
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}
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/// The `BridgeGrandpaCall` for a pezpallet that bridges with given `C`;
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pub type BridgeGrandpaCallOf<C> = BridgeGrandpaCall<HeaderOf<C>>;
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/// A digest information on the `BridgeGrandpaCall::submit_finality_proof` call.
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#[derive(Copy, Clone, PartialEq, RuntimeDebugNoBound)]
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pub struct SubmitFinalityProofInfo<N: Debug> {
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/// Number of the finality target.
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pub block_number: N,
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/// An identifier of the validators set that has signed the submitted justification.
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/// It might be `None` if deprecated version of the `submit_finality_proof` is used.
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pub current_set_id: Option<SetId>,
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/// If `true`, then the call proves new **mandatory** header.
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pub is_mandatory: bool,
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/// If `true`, then the call must be free (assuming that everything else is valid) to
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/// be treated as valid.
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pub is_free_execution_expected: bool,
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/// Extra weight that we assume is included in the call.
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///
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/// We have some assumptions about headers and justifications of the bridged chain.
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/// We know that if our assumptions are correct, then the call must not have the
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/// weight above some limit. The fee paid for weight above that limit, is never refunded.
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pub extra_weight: Weight,
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/// Extra size (in bytes) that we assume are included in the call.
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///
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/// We have some assumptions about headers and justifications of the bridged chain.
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/// We know that if our assumptions are correct, then the call must not have the
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/// weight above some limit. The fee paid for bytes above that limit, is never refunded.
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pub extra_size: u32,
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}
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impl<N: Debug> SubmitFinalityProofInfo<N> {
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/// Returns `true` if call size/weight is below our estimations for regular calls.
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pub fn fits_limits(&self) -> bool {
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self.extra_weight.is_zero() && self.extra_size.is_zero()
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}
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}
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