117 lines
4.0 KiB
TypeScript
117 lines
4.0 KiB
TypeScript
import {
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defineProperties, FetchRequest, assert, assertArgument
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} from "../utils/index.js";
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import { showThrottleMessage } from "./community.js";
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import { Network } from "./network.js";
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import { JsonRpcProvider } from "./provider-jsonrpc.js";
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import { WebSocketProvider } from "./provider-websocket.js";
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import type { AbstractProvider } from "./abstract-provider.js";
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import type { CommunityResourcable } from "./community.js";
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import type { Networkish } from "./network.js";
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const defaultProjectId = "84842078b09946638c03157f83405213";
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function getHost(name: string): string {
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switch(name) {
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case "mainnet":
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return "mainnet.infura.io";
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case "goerli":
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return "goerli.infura.io";
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case "sepolia":
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return "sepolia.infura.io";
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case "arbitrum":
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return "arbitrum-mainnet.infura.io";
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case "arbitrum-goerli":
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return "arbitrum-goerli.infura.io";
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case "matic":
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return "polygon-mainnet.infura.io";
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case "maticmum":
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return "polygon-mumbai.infura.io";
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case "optimism":
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return "optimism-mainnet.infura.io";
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case "optimism-goerli":
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return "optimism-goerli.infura.io";
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}
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assertArgument(false, "unsupported network", "network", name);
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}
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export class InfuraWebSocketProvider extends WebSocketProvider implements CommunityResourcable {
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readonly projectId!: string;
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readonly projectSecret!: null | 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 req = provider._getConnection();
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assert(!req.credentials, "INFURA WebSocket project secrets unsupported",
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"UNSUPPORTED_OPERATION", { operation: "InfuraProvider.getWebSocketProvider()" });
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const url = req.url.replace(/^http/i, "ws").replace("/v3/", "/ws/v3/");
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super(url, network);
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defineProperties<InfuraWebSocketProvider>(this, {
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projectId: provider.projectId,
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projectSecret: provider.projectSecret
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});
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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 JsonRpcProvider implements CommunityResourcable {
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readonly projectId!: string;
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readonly projectSecret!: null | string;
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constructor(_network: Networkish = "mainnet", projectId?: null | string, projectSecret?: null | string) {
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const network = Network.from(_network);
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if (projectId == null) { projectId = defaultProjectId; }
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if (projectSecret == null) { projectSecret = null; }
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const request = InfuraProvider.getRequest(network, projectId, projectSecret);
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super(request, network, { staticNetwork: network });
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defineProperties<InfuraProvider>(this, { projectId, projectSecret });
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}
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_getProvider(chainId: number): AbstractProvider {
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try {
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return new InfuraProvider(chainId, this.projectId, this.projectSecret);
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} catch (error) { }
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return super._getProvider(chainId);
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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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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 getRequest(network: Network, projectId?: null | string, projectSecret?: null | string): FetchRequest {
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if (projectId == null) { projectId = defaultProjectId; }
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if (projectSecret == null) { projectSecret = null; }
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const request = new FetchRequest(`https:/\/${ getHost(network.name) }/v3/${ projectId }`);
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request.allowGzip = true;
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if (projectSecret) { request.setCredentials("", projectSecret); }
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if (projectId === defaultProjectId) {
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request.retryFunc = async (request, response, attempt) => {
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showThrottleMessage("InfuraProvider");
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return true;
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};
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}
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return request;
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}
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}
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