42 lines
1.6 KiB
JavaScript
42 lines
1.6 KiB
JavaScript
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"use strict";
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import { getNetwork } from "@ethersproject/networks";
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import { defineReadOnly, getStatic } from "@ethersproject/properties";
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import { Logger } from "@ethersproject/logger";
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import { version } from "./_version";
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const logger = new Logger(version);
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import { JsonRpcProvider } from "./json-rpc-provider";
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export class UrlJsonRpcProvider extends JsonRpcProvider {
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constructor(network, apiKey) {
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logger.checkAbstract(new.target, UrlJsonRpcProvider);
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// Normalize the Network and API Key
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network = getStatic((new.target), "getNetwork")(network);
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apiKey = getStatic((new.target), "getApiKey")(apiKey);
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let url = getStatic((new.target), "getUrl")(network, apiKey);
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super(url, network);
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defineReadOnly(this, "apiKey", apiKey);
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}
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_startPending() {
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logger.warn("WARNING: API provider does not support pending filters");
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}
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getSigner(address) {
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logger.throwError("API provider does not support signing", Logger.errors.UNSUPPORTED_OPERATION, { operation: "getSigner" });
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return null;
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}
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listAccounts() {
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return Promise.resolve([]);
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}
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static getNetwork(network) {
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return getNetwork((network == null) ? "homestead" : network);
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}
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// Return a defaultApiKey if null, otherwise validate the API key
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static getApiKey(apiKey) {
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return apiKey;
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}
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// Returns the url for the given network and API key
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static getUrl(network, apiKey) {
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return logger.throwError("not implemented; sub-classes must override getUrl", Logger.errors.NOT_IMPLEMENTED, {
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operation: "getUrl"
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});
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}
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}
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