mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Robert Habermeier
544501a241
* branches * update all primitives references * fmt * Update Polkadot & Substrate * Again Co-authored-by: Bastian Köcher <info@kchr.de>
32 lines
1.3 KiB
Rust
32 lines
1.3 KiB
Rust
// Copyright 2020-2021 Parity Technologies (UK) Ltd.
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// This file is part of Cumulus.
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// Cumulus 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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// Cumulus 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 Cumulus. If not, see <http://www.gnu.org/licenses/>.
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use codec::Encode;
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use cumulus_client_service::genesis::generate_genesis_block;
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use cumulus_primitives_core::ParaId;
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use cumulus_test_runtime::Block;
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use polkadot_primitives::v2::HeadData;
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use sp_runtime::traits::Block as BlockT;
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/// Returns the initial head data for a parachain ID.
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pub fn initial_head_data(para_id: ParaId) -> HeadData {
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let spec = Box::new(crate::chain_spec::get_chain_spec(para_id));
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let block: Block =
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generate_genesis_block(&(spec as Box<_>), sp_runtime::StateVersion::V1).unwrap();
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let genesis_state = block.header().encode();
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genesis_state.into()
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}
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