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