@substrate/api-sidecar
Version:
REST service that makes it easy to interact with blockchain nodes built using Substrate's FRAME framework.
44 lines • 1.77 kB
JavaScript
;
// Copyright 2017-2025 Parity Technologies (UK) Ltd.
// This file is part of Substrate API Sidecar.
//
// Substrate API Sidecar is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
Object.defineProperty(exports, "__esModule", { value: true });
exports.RuntimeCodeService = exports.CODE_KEY = void 0;
const AbstractService_1 = require("../AbstractService");
// https://github.com/shawntabrizi/substrate-graph-benchmarks/blob/ae9b82f/js/extensions/known-keys.js#L21
exports.CODE_KEY = '0x3a636f6465';
class RuntimeCodeService extends AbstractService_1.AbstractService {
/**
* Fetch `Metadata` in decoded JSON form.
*
* @param hash `BlockHash` to make call at
*/
async fetchCode(hash) {
const { api } = this;
const [code, { number }] = await Promise.all([
api.rpc.state.getStorage(exports.CODE_KEY, hash),
api.rpc.chain.getHeader(hash),
]);
return {
at: {
hash,
height: number.unwrap().toString(10),
},
code: code,
};
}
}
exports.RuntimeCodeService = RuntimeCodeService;
//# sourceMappingURL=RuntimeCodeService.js.map