ethers.js/packages/providers/src.ts/infura-provider.ts

101 lines
3.3 KiB
TypeScript

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