51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
"use strict";
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import { isHexString } from "@ethersproject/bytes";
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import * as errors from "@ethersproject/errors";
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import { Network } from "@ethersproject/networks";
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import { UrlJsonRpcProvider } from "./url-json-rpc-provider";
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const defaultProjectId = "84842078b09946638c03157f83405213"
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export class InfuraProvider extends UrlJsonRpcProvider {
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get projectId(): string { return this.apiKey; }
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static getApiKey(apiKey: string): string {
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if (apiKey == null) { return defaultProjectId; }
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if (!isHexString(apiKey, 16)) {
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errors.throwArgumentError("invalid projectId", "projectId", apiKey);
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}
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return apiKey;
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}
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static getUrl(network: Network, apiKey: string): string {
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let host = null;
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switch(network.name) {
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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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errors.throwError("unsupported network", 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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return "https://" + host + "/v3/" + apiKey;
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}
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}
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