@substrate/api-sidecar
Version:
REST service that makes it easy to interact with blockchain nodes built using Substrate's FRAME framework.
68 lines • 3.13 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/>.
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const apiRegistry_1 = require("../../../apiRegistry");
const services_1 = require("../../../services");
const AbstractController_1 = __importDefault(require("../../AbstractController"));
/**
* Get the Wasm code blob of the relay chain Substrate runtime.
*
* Query:
* - (Optional)`at`: Block at which to retrieve runtime version information at. Block
* identifier, as the block height or block hash. Defaults to most recent block.
*
* Returns:
* - `at`: Block number and hash at which the call was made.
* - `code`: Runtime code Wasm blob.
*/
class RcRuntimeCodeController extends AbstractController_1.default {
constructor(_api) {
var _a;
const rcApiSpecName = (_a = apiRegistry_1.ApiPromiseRegistry.getSpecNameByType('relay')) === null || _a === void 0 ? void 0 : _a.values();
const rcSpecName = rcApiSpecName ? Array.from(rcApiSpecName)[0] : undefined;
if (!rcSpecName) {
throw new Error('Relay chain API spec name is not defined.');
}
super(rcSpecName, '/rc/runtime/code', new services_1.RuntimeCodeService(rcSpecName));
/**
* Get the relay chain's runtime code in Wasm format.
*
* @param _req Express Request
* @param res Express Response
*/
this.getCodeAtBlock = async ({ query: { at } }, res) => {
var _a;
const rcApi = (_a = apiRegistry_1.ApiPromiseRegistry.getApiByType('relay')[0]) === null || _a === void 0 ? void 0 : _a.api;
if (!rcApi) {
throw new Error('Relay chain API not found, please use SAS_SUBSTRATE_MULTI_CHAIN_URL env variable');
}
const hash = await this.getHashFromAt(at, { api: rcApi });
RcRuntimeCodeController.sanitizedSend(res, await this.service.fetchCode(hash));
};
this.initRoutes();
}
initRoutes() {
this.safeMountAsyncGetHandlers([['', this.getCodeAtBlock]]);
}
}
RcRuntimeCodeController.controllerName = 'RcRuntimeCode';
RcRuntimeCodeController.requiredPallets = [];
exports.default = RcRuntimeCodeController;
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