*add dist
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export * from "./rpcNetwork.js";
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export * from "./rpcQuery.js";
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export * from "./types";
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//# sourceMappingURL=index.d.ts.map
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{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAAA,cAAc,iBAAiB,CAAC;AAChC,cAAc,eAAe,CAAC;AAC9B,cAAc,SAAS,CAAC"}
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export * from "./rpcNetwork.js";
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export * from "./rpcQuery.js";
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export * from "./types";
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import RpcQuery from "./rpcQuery.js";
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export default class RpcNetwork {
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private _dht;
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private _majorityThreshold;
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private _maxTtl;
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private _queryTimeout;
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private _relays;
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private _ready;
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private _force;
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constructor(dht?: any);
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get ready(): Promise<void>;
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get relays(): string[];
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get dht(): any;
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get maxTtl(): number;
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set maxTtl(value: number);
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get queryTimeout(): number;
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set queryTimeout(value: number);
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get majorityThreshold(): number;
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set majorityThreshold(value: number);
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get force(): boolean;
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set force(value: boolean);
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addRelay(pubkey: string): void;
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query(query: string, chain: string, data?: object | any[], force?: boolean): RpcQuery;
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}
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//# sourceMappingURL=rpcNetwork.d.ts.map
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{"version":3,"file":"rpcNetwork.d.ts","sourceRoot":"","sources":["../src/rpcNetwork.ts"],"names":[],"mappings":"AAEA,OAAO,QAAQ,MAAM,eAAe,CAAC;AAMrC,MAAM,CAAC,OAAO,OAAO,UAAU;IAC7B,OAAO,CAAC,IAAI,CAAa;IACzB,OAAO,CAAC,kBAAkB,CAAQ;IAClC,OAAO,CAAC,OAAO,CAAgB;IAC/B,OAAO,CAAC,aAAa,CAAM;IAC3B,OAAO,CAAC,OAAO,CAAgB;IAC/B,OAAO,CAAC,MAAM,CAAgB;IAC9B,OAAO,CAAC,MAAM,CAAkB;gBAEpB,GAAG,MAAY;IAK3B,IAAI,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC,CAEzB;IAED,IAAI,MAAM,IAAI,MAAM,EAAE,CAErB;IAED,IAAI,GAAG,QAEN;IAED,IAAI,MAAM,IAAI,MAAM,CAEnB;IAED,IAAI,MAAM,CAAC,KAAK,EAAE,MAAM,EAEvB;IAED,IAAI,YAAY,IAAI,MAAM,CAEzB;IAED,IAAI,YAAY,CAAC,KAAK,EAAE,MAAM,EAE7B;IAED,IAAI,iBAAiB,IAAI,MAAM,CAE9B;IAED,IAAI,iBAAiB,CAAC,KAAK,EAAE,MAAM,EAElC;IAED,IAAI,KAAK,IAAI,OAAO,CAEnB;IAED,IAAI,KAAK,CAAC,KAAK,EAAE,OAAO,EAEvB;IAEM,QAAQ,CAAC,MAAM,EAAE,MAAM,GAAG,IAAI;IAK9B,KAAK,CACV,KAAK,EAAE,MAAM,EACb,KAAK,EAAE,MAAM,EACb,IAAI,GAAE,MAAM,GAAG,GAAG,EAAO,EACzB,KAAK,GAAE,OAAe,GACrB,QAAQ;CAQZ"}
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// tslint:disable:no-var-requires
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import { createRequire } from "module";
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import RpcQuery from "./rpcQuery.js";
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const require = createRequire(import.meta.url);
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const DHT = require("@hyperswarm/dht");
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export default class RpcNetwork {
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constructor(dht = new DHT()) {
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this._majorityThreshold = 0.75;
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this._maxTtl = 12 * 60 * 60;
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this._queryTimeout = 30;
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this._relays = [];
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this._force = false;
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this._dht = dht;
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this._ready = this._dht.ready();
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}
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get ready() {
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return this._ready;
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}
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get relays() {
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return this._relays;
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}
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get dht() {
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return this._dht;
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}
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get maxTtl() {
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return this._maxTtl;
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}
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set maxTtl(value) {
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this._maxTtl = value;
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}
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get queryTimeout() {
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return this._queryTimeout;
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}
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set queryTimeout(value) {
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this._queryTimeout = value;
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}
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get majorityThreshold() {
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return this._majorityThreshold;
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}
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set majorityThreshold(value) {
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this._majorityThreshold = value;
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}
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get force() {
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return this._force;
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}
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set force(value) {
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this._force = value;
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}
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addRelay(pubkey) {
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this._relays.push(pubkey);
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this._relays = [...new Set(this._relays)];
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}
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query(query, chain, data = {}, force = false) {
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return new RpcQuery(this, {
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query,
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chain,
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data,
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force: force || this._force,
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});
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}
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}
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import RpcNetwork from "./rpcNetwork.js";
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import { RPCRequest } from "./types";
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export default class RpcQuery {
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private _network;
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private _query;
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private _promise?;
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private _timeoutTimer?;
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private _timeout;
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private _completed;
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private _responses;
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private _promiseResolve?;
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constructor(network: RpcNetwork, query: RPCRequest);
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get promise(): Promise<any>;
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private handeTimeout;
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private resolve;
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private init;
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private queryRelay;
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private checkResponses;
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private retry;
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}
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//# sourceMappingURL=rpcQuery.d.ts.map
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{"version":3,"file":"rpcQuery.d.ts","sourceRoot":"","sources":["../src/rpcQuery.ts"],"names":[],"mappings":"AACA,OAAO,UAAU,MAAM,iBAAiB,CAAC;AAEzC,OAAO,EAAC,UAAU,EAAc,MAAM,SAAS,CAAC;AAEhD,MAAM,CAAC,OAAO,OAAO,QAAQ;IAC3B,OAAO,CAAC,QAAQ,CAAa;IAC7B,OAAO,CAAC,MAAM,CAAa;IAC3B,OAAO,CAAC,QAAQ,CAAC,CAAe;IAChC,OAAO,CAAC,aAAa,CAAC,CAAM;IAC5B,OAAO,CAAC,QAAQ,CAAkB;IAClC,OAAO,CAAC,UAAU,CAAkB;IACpC,OAAO,CAAC,UAAU,CAAwC;IAC1D,OAAO,CAAC,eAAe,CAAC,CAAsB;gBAElC,OAAO,EAAE,UAAU,EAAE,KAAK,EAAE,UAAU;IAMlD,IAAI,OAAO,IAAI,OAAO,CAAC,GAAG,CAAC,CAE1B;IAED,OAAO,CAAC,YAAY;IAIpB,OAAO,CAAC,OAAO;YAQD,IAAI;YA2BJ,UAAU;IAiBxB,OAAO,CAAC,cAAc;IA6BtB,OAAO,CAAC,KAAK;CASd"}
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import { clearTimeout, setTimeout } from "timers";
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import { pack, unpack } from "msgpackr";
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export default class RpcQuery {
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constructor(network, query) {
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this._timeout = false;
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this._completed = false;
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this._responses = {};
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this._network = network;
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this._query = query;
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this.init();
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}
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get promise() {
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return this._promise;
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}
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handeTimeout() {
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this.resolve(false, true);
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}
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resolve(data, timeout = false) {
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clearTimeout(this._timeoutTimer);
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this._timeout = timeout;
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this._completed = true;
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// @ts-ignore
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this._promiseResolve(data);
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}
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async init() {
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this._promise =
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this._promise ??
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new Promise((resolve) => {
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this._promiseResolve = resolve;
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});
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this._timeoutTimer =
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this._timeoutTimer ??
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setTimeout(this.handeTimeout.bind(this), this._network.queryTimeout * 1000);
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await this._network.ready;
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const promises = [];
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// tslint:disable-next-line:forin
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for (const relay of this._network.relays) {
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promises.push(this.queryRelay(relay));
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}
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await Promise.allSettled(promises);
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this.checkResponses();
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}
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async queryRelay(relay) {
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const socket = this._network.dht.connect(Buffer.from(relay, "hex"));
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return new Promise((resolve, reject) => {
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socket.on("data", (res) => {
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socket.end();
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const response = unpack(res);
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if (response && response.error) {
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return reject(response);
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}
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this._responses[relay] = response;
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resolve(null);
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});
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socket.on("error", (error) => reject({ error }));
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socket.write(pack(this._query));
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});
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}
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checkResponses() {
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const responses = {};
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const responseStore = this._responses;
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const responseStoreKeys = Object.keys(responseStore);
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// tslint:disable-next-line:forin
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for (const peer in responseStore) {
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const responseIndex = responseStoreKeys.indexOf(peer);
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responses[responseIndex] = responses[responseIndex] ?? 0;
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responses[responseIndex]++;
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}
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for (const responseIndex in responses) {
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if (responses[responseIndex] / responseStoreKeys.length >= this._network.majorityThreshold) {
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const response = responseStore[responseStoreKeys[parseInt(responseIndex, 10)]];
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// @ts-ignore
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if (null === response || null === response?.data) {
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this.retry();
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return;
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}
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this.resolve(response?.data);
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}
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}
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}
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retry() {
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this._responses = {};
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if (this._completed) {
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return;
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}
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this.init();
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}
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}
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export interface RPCRequest {
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force: boolean;
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chain: string;
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query: string;
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data: any;
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}
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export interface RPCResponse {
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updated: number;
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data: any | {
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error: string | boolean;
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};
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}
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//# sourceMappingURL=types.d.ts.map
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{"version":3,"file":"types.d.ts","sourceRoot":"","sources":["../src/types.ts"],"names":[],"mappings":"AAAA,MAAM,WAAW,UAAU;IACvB,KAAK,EAAE,OAAO,CAAC;IACf,KAAK,EAAE,MAAM,CAAC;IACd,KAAK,EAAE,MAAM,CAAC;IACd,IAAI,EAAE,GAAG,CAAC;CACb;AAED,MAAM,WAAW,WAAW;IACxB,OAAO,EAAE,MAAM,CAAC;IAChB,IAAI,EACE,GAAG,GACH;QACF,KAAK,EAAE,MAAM,GAAG,OAAO,CAAC;KAC3B,CAAC;CACL"}
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export {};
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