@crustio/crust-pin/src/index.js

Decentralized pin on Crust Network

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const type_definitions_1 = require("@crustio/type-definitions");
const api_1 = require("@polkadot/api");
const util_1 = require("./util");
class CrustPinner {
    constructor(s, chainAddr = 'wss://rpc.crust.network') {
        this.seeds = s;
        this.crustApi = new api_1.ApiPromise({
            provider: new api_1.WsProvider(chainAddr),
            typesBundle: type_definitions_1.typesBundleForPolkadot,
        });
    }
    pin(cid) {
        return __awaiter(this, void 0, void 0, function* () {
            try {
                // 1. Check Api is ready
                yield this.crustApi.isReadyOrError;
                // 2. Place storage order
                const tx = this.crustApi.tx.market.placeStorageOrder(cid, 200 * 1024 * 1024 /* 200MB */, 0, '');
                const res = yield util_1.sendTx(tx, this.seeds);
                // 3. Disconnect chain
                this.crustApi.disconnect();
                return res;
            }
            catch (e) {
                console.error(`Error happens on calling Crust Chain, details: ${e.message}`);
                return false;
            }
        });
    }
}
exports.default = CrustPinner;