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https://github.com/pezkuwichain/pezkuwi-subxt.git
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Nazar Mokrynskyi
45 lines
1.7 KiB
Rust
45 lines
1.7 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 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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//! Helper functions for implementing [`sp_genesis_builder::GenesisBuilder`] for runtimes.
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//!
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//! Provides common logic. For more info refer to [`sp_genesis_builder::GenesisBuilder`].
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use frame_support::traits::BuildGenesisConfig;
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use sp_genesis_builder::Result as BuildResult;
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use sp_runtime::format_runtime_string;
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/// Get the default `GenesisConfig` as a JSON blob. For more info refer to
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/// [`sp_genesis_builder::GenesisBuilder::create_default_config`]
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pub fn create_default_config<GC>() -> sp_std::vec::Vec<u8>
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where
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GC: BuildGenesisConfig + Default,
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{
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serde_json::to_string(&GC::default())
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.expect("serialization to json is expected to work. qed.")
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.into_bytes()
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}
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/// Build `GenesisConfig` from a JSON blob not using any defaults and store it in the storage. For
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/// more info refer to [`sp_genesis_builder::GenesisBuilder::build_config`].
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pub fn build_config<GC: BuildGenesisConfig>(json: sp_std::vec::Vec<u8>) -> BuildResult {
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let gc = serde_json::from_slice::<GC>(&json)
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.map_err(|e| format_runtime_string!("Invalid JSON blob: {}", e))?;
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<GC as BuildGenesisConfig>::build(&gc);
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Ok(())
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}
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