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"use strict";
import { Network } from "@ethersproject/networks";
import { UrlJsonRpcProvider } from "./url-json-rpc-provider";
import { Logger } from "@ethersproject/logger";
import { version } from "./_version";
const logger = new Logger(version);
export class CloudflareProvider extends UrlJsonRpcProvider {
static getApiKey(apiKey: any): any {
if (apiKey != null) {
logger.throwArgumentError("apiKey not supported for cloudflare", "apiKey", apiKey);
}
return null;
}
static getUrl(network: Network, apiKey?: any): string {
let host = null;
switch (network.name) {
case "homestead":
host = "https://cloudflare-eth.com/";
break;
default:
logger.throwArgumentError("unsupported network", "network", arguments[0]);
}
return host;
}
async perform(method: string, params: any): Promise<any> {
// The Cloudflare provider does not support eth_blockNumber,
// so we get the latest block and pull it from that
if (method === "getBlockNumber") {
const block = await super.perform("getBlock", { blockTag: "latest" });
return block.number;
}
return super.perform(method, params);
}
}