99 lines
4.3 KiB
JavaScript
99 lines
4.3 KiB
JavaScript
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"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.JsonRpcBatchProvider = void 0;
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var properties_1 = require("@ethersproject/properties");
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var web_1 = require("@ethersproject/web");
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var json_rpc_provider_1 = require("./json-rpc-provider");
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// Experimental
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var JsonRpcBatchProvider = /** @class */ (function (_super) {
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__extends(JsonRpcBatchProvider, _super);
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function JsonRpcBatchProvider() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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JsonRpcBatchProvider.prototype.send = function (method, params) {
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var _this = this;
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var request = {
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method: method,
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params: params,
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id: (this._nextId++),
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jsonrpc: "2.0"
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};
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if (this._pendingBatch == null) {
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this._pendingBatch = [];
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}
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var inflightRequest = { request: request, resolve: null, reject: null };
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var promise = new Promise(function (resolve, reject) {
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inflightRequest.resolve = resolve;
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inflightRequest.reject = reject;
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});
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this._pendingBatch.push(inflightRequest);
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if (!this._pendingBatchAggregator) {
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// Schedule batch for next event loop + short duration
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this._pendingBatchAggregator = setTimeout(function () {
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// Get teh current batch and clear it, so new requests
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// go into the next batch
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var batch = _this._pendingBatch;
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_this._pendingBatch = null;
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_this._pendingBatchAggregator = null;
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// Get the request as an array of requests
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var request = batch.map(function (inflight) { return inflight.request; });
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_this.emit("debug", {
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action: "requestBatch",
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request: properties_1.deepCopy(request),
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provider: _this
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});
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return web_1.fetchJson(_this.connection, JSON.stringify(request)).then(function (result) {
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_this.emit("debug", {
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action: "response",
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request: request,
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response: result,
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provider: _this
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});
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// For each result, feed it to the correct Promise, depending
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// on whether it was a success or error
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batch.forEach(function (inflightRequest, index) {
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var payload = result[index];
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if (payload.error) {
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var error = new Error(payload.error.message);
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error.code = payload.error.code;
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error.data = payload.error.data;
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inflightRequest.reject(error);
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}
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else {
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inflightRequest.resolve(payload.result);
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}
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});
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}, function (error) {
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_this.emit("debug", {
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action: "response",
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error: error,
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request: request,
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provider: _this
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});
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batch.forEach(function (inflightRequest) {
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inflightRequest.reject(error);
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});
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});
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}, 10);
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}
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return promise;
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};
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return JsonRpcBatchProvider;
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}(json_rpc_provider_1.JsonRpcProvider));
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exports.JsonRpcBatchProvider = JsonRpcBatchProvider;
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//# sourceMappingURL=json-rpc-batch-provider.js.map
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