@substrate/api-sidecar
Version:
REST service that makes it easy to interact with blockchain nodes built using Substrate's FRAME framework.
80 lines • 4.22 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"));
class RcBlocksExtrinsicsController extends AbstractController_1.default {
constructor(_api, options) {
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/blocks/:blockId/extrinsics', new services_1.BlocksService(rcSpecName, options.minCalcFeeRuntime, options.hasQueryFeeApi));
this.getExtrinsicByTimepoint = async ({ params: { blockId, extrinsicIndex }, query: { eventDocs, extrinsicDocs, noFees } }, 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(blockId, { api: rcApi });
const eventDocsArg = eventDocs === 'true';
const extrinsicDocsArg = extrinsicDocs === 'true';
const noFeesArg = noFees === 'true';
const options = {
eventDocs: eventDocsArg,
extrinsicDocs: extrinsicDocsArg,
checkFinalized: true,
queryFinalizedHead: false,
omitFinalizedTag: true,
noFees: noFeesArg,
checkDecodedXcm: false,
paraId: undefined,
};
const cacheKey = hash.toString() +
Number(options.eventDocs) +
Number(options.extrinsicDocs) +
Number(options.checkFinalized) +
Number(options.noFees) +
Number(options.checkDecodedXcm);
const isBlockCached = this.blockStore.get(cacheKey);
const historicApi = await rcApi.at(hash);
const block = isBlockCached ? isBlockCached : await this.service.fetchBlock(hash, historicApi, options);
if (!isBlockCached) {
this.blockStore.set(cacheKey, block);
}
this.parseNumberOrThrow(extrinsicIndex, '`extrinsicIndex` path param is not a number');
const index = parseInt(extrinsicIndex, 10);
const extrinsic = this.service.fetchExtrinsicByIndex(block, index);
RcBlocksExtrinsicsController.sanitizedSend(res, extrinsic);
};
this.initRoutes();
this.blockStore = options.blockStore;
}
initRoutes() {
this.safeMountAsyncGetHandlers([['/:extrinsicIndex', this.getExtrinsicByTimepoint]]);
}
}
RcBlocksExtrinsicsController.controllerName = 'RcBlocksExtrinsics';
RcBlocksExtrinsicsController.requiredPallets = [['System', 'Session']];
exports.default = RcBlocksExtrinsicsController;
//# sourceMappingURL=RcBlocksExtrinsicsController.js.map