132 lines
4.4 KiB
TypeScript
132 lines
4.4 KiB
TypeScript
"use strict";
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import { Network, Networkish } from "@ethersproject/networks";
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import { defineReadOnly } from "@ethersproject/properties";
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import { ConnectionInfo } from "@ethersproject/web";
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import { WebSocketProvider } from "./websocket-provider";
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import { CommunityResourcable, showThrottleMessage } from "./formatter";
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import { Logger } from "@ethersproject/logger";
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import { version } from "./_version";
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const logger = new Logger(version);
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import { UrlJsonRpcProvider } from "./url-json-rpc-provider";
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const defaultProjectId = "84842078b09946638c03157f83405213"
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export class InfuraWebSocketProvider extends WebSocketProvider implements CommunityResourcable {
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readonly apiKey: string;
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readonly projectId: string;
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readonly projectSecret: string;
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constructor(network?: Networkish, apiKey?: any) {
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const provider = new InfuraProvider(network, apiKey);
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const connection = provider.connection;
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if (connection.password) {
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logger.throwError("INFURA WebSocket project secrets unsupported", Logger.errors.UNSUPPORTED_OPERATION, {
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operation: "InfuraProvider.getWebSocketProvider()"
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});
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}
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const url = connection.url.replace(/^http/i, "ws").replace("/v3/", "/ws/v3/");
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super(url, network);
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defineReadOnly(this, "apiKey", provider.projectId);
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defineReadOnly(this, "projectId", provider.projectId);
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defineReadOnly(this, "projectSecret", provider.projectSecret);
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}
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isCommunityResource(): boolean {
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return (this.projectId === defaultProjectId);
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}
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}
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export class InfuraProvider extends UrlJsonRpcProvider {
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readonly projectId: string;
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readonly projectSecret: string;
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static getWebSocketProvider(network?: Networkish, apiKey?: any): InfuraWebSocketProvider {
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return new InfuraWebSocketProvider(network, apiKey);
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}
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static getApiKey(apiKey: any): any {
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const apiKeyObj: { apiKey: string, projectId: string, projectSecret: string } = {
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apiKey: defaultProjectId,
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projectId: defaultProjectId,
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projectSecret: null
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};
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if (apiKey == null) { return apiKeyObj; }
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if (typeof(apiKey) === "string") {
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apiKeyObj.projectId = apiKey;
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} else if (apiKey.projectSecret != null) {
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logger.assertArgument((typeof(apiKey.projectId) === "string"),
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"projectSecret requires a projectId", "projectId", apiKey.projectId);
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logger.assertArgument((typeof(apiKey.projectSecret) === "string"),
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"invalid projectSecret", "projectSecret", "[REDACTED]");
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apiKeyObj.projectId = apiKey.projectId;
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apiKeyObj.projectSecret = apiKey.projectSecret;
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} else if (apiKey.projectId) {
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apiKeyObj.projectId = apiKey.projectId;
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}
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apiKeyObj.apiKey = apiKeyObj.projectId;
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return apiKeyObj;
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}
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static getUrl(network: Network, apiKey: any): ConnectionInfo {
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let host: string = null;
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switch(network ? network.name: "unknown") {
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case "homestead":
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host = "mainnet.infura.io";
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break;
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case "ropsten":
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host = "ropsten.infura.io";
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break;
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case "rinkeby":
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host = "rinkeby.infura.io";
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break;
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case "kovan":
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host = "kovan.infura.io";
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break;
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case "goerli":
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host = "goerli.infura.io";
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break;
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default:
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logger.throwError("unsupported network", Logger.errors.INVALID_ARGUMENT, {
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argument: "network",
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value: network
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});
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}
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const connection: ConnectionInfo = {
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allowGzip: true,
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url: ("https:/" + "/" + host + "/v3/" + apiKey.projectId),
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throttleCallback: (attempt: number, url: string) => {
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if (apiKey.projectId === defaultProjectId) {
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showThrottleMessage();
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}
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return Promise.resolve(true);
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}
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};
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if (apiKey.projectSecret != null) {
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connection.user = "";
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connection.password = apiKey.projectSecret
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}
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return connection;
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}
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isCommunityResource(): boolean {
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return (this.projectId === defaultProjectId);
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}
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}
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