mirror of
https://github.com/pezkuwichain/pezkuwi-api.git
synced 2026-04-22 21:57:57 +00:00
106 lines
3.6 KiB
JavaScript
106 lines
3.6 KiB
JavaScript
// Copyright 2017-2025 @pezkuwi/typegen authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import fs from 'node:fs';
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import { fetch } from '@pezkuwi/x-fetch';
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const PREAMBLE = '// Copyright 2017-2025 @pezkuwi/types-support authors & contributors\n// SPDX-License-Identifier: Apache-2.0\n\n/* eslint-disable */\n\n';
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const CMD = {
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'asset-hub-zagros': `${PREAMBLE}//To run a asset-hub-zagros node please refer to types-support/src/metadata/README.md\n\nexport default`,
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'asset-hub-pezkuwi': `${PREAMBLE}//To run a asset-hub-pezkuwi node please refer to types-support/src/metadata/README.md\n\nexport default`,
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zagros: `${PREAMBLE}// cargo run --release -- purge-chain -y --chain zagros-dev && cargo run --release -- --chain zagros-dev --alice --force-authoring\n\nexport default`,
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pezkuwi: `${PREAMBLE}// cargo run --release -- purge-chain -y --dev && cargo run --release -- --dev\n\nexport default`,
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bizinikiwi: `${PREAMBLE}// cargo run --release -- purge-chain -y --dev && cargo run --release -- --dev\n\nexport default`,
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'bizinikiwi-contracts-node': `${PREAMBLE}// cargo run --release -- purge-chain -y --dev && cargo run --release -- --dev\n\nexport default`
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};
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// V15
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const META_VERSION_HEX = '0x10000000';
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const META_VERSION = 16;
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/**
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* Parse the specName given any exceptions.
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*
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* @param {'pezkuwi' | 'zagros' | 'node' | 'statemint' | 'statemine'} specName
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* @returns {'pezkuwi' | 'zagros' | 'bizinikiwi' | 'asset-hub-zagros' | 'asset-hub-pezkuwi'}
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*/
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const parseChainName = (specName) => {
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switch (specName) {
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case 'node':
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return 'bizinikiwi';
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case 'statemine':
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return 'asset-hub-zagros';
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case 'statemint':
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return 'asset-hub-pezkuwi';
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default:
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return specName;
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}
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};
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/**
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* Small CLI parser.
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*
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* This script accepts `--url` to specify the endpoint to query the metadata from.
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*
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* @returns {string}
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*/
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const getUrl = () => {
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const [,, command, ...args] = process.argv;
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if (command === '--url') {
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return args.join(' ');
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}
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return 'http://127.0.0.1:9944';
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};
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const main = async () => {
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let requestId = 0;
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const chainUrl = getUrl();
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/**
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*
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* @param {'rpc_methods' | 'state_getMetadata' | 'state_getRuntimeVersion' | 'state_call'} method
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* @param {string[]} params
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* @returns {Promise<any>}
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*/
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async function get (method, params = []) {
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const res = await fetch(chainUrl, {
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body: JSON.stringify({
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id: ++requestId,
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jsonrpc: '2.0',
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method,
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params
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}),
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headers: {
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Accept: 'application/json',
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'Content-Type': 'application/json'
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},
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method: 'POST'
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});
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const body = await res.json();
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return body.result;
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}
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/** @type {[string[], string, { specName: 'pezkuwi' | 'zagros' | 'node' | 'statemine' | 'statemint'; specVersion: string; }]} */
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const [methods, metadata, version] = await Promise.all([
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get('rpc_methods'),
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get('state_call', ['Metadata_metadata_at_version', META_VERSION_HEX]),
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get('state_getRuntimeVersion')
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]);
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const chain = parseChainName(version.specName);
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const metaVer = parseInt(metadata.substring(20, 22), 16);
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const path = `packages/types-support/src/metadata/v${META_VERSION}/${chain}`;
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fs.writeFileSync(`${path}-hex.ts`, `${CMD[chain]} '${metadata}';\n`);
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fs.writeFileSync(`${path}-rpc.ts`, `${CMD[chain]} ${JSON.stringify(methods, null, 2)};\n`);
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fs.writeFileSync(`${path}-ver.ts`, `${CMD[chain]} ${JSON.stringify(version, null, 2)};\n`);
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console.log(`Retrieved ${chain}/${version.specVersion}, metadata v${metaVer}`);
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};
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main().catch((err) => console.error(err)).finally(() => process.exit());
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