141 lines
4.0 KiB
JavaScript
141 lines
4.0 KiB
JavaScript
import { AlchemyProvider, AnkrProvider,
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// CloudflareProvider,
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EtherscanProvider, InfuraProvider, PocketProvider, QuickNodeProvider, FallbackProvider, isError, } from "../index.js";
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;
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const ethNetworks = ["default", "mainnet", "goerli"];
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//const maticNetworks = [ "matic", "maticmum" ];
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const ProviderCreators = [
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{
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name: "AlchemyProvider",
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networks: ethNetworks,
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create: function (network) {
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return new AlchemyProvider(network, "YrPw6SWb20vJDRFkhWq8aKnTQ8JRNRHM");
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}
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},
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{
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name: "AnkrProvider",
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networks: ethNetworks.concat(["matic", "arbitrum"]),
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create: function (network) {
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return new AnkrProvider(network);
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}
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},
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/*
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{
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name: "CloudflareProvider",
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networks: [ "default", "mainnet" ],
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create: function(network: string) {
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return new CloudflareProvider(network);
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}
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},
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*/
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{
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name: "EtherscanProvider",
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networks: ethNetworks,
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create: function (network) {
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return new EtherscanProvider(network, "FPFGK6JSW2UHJJ2666FG93KP7WC999MNW7");
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}
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},
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{
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name: "InfuraProvider",
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networks: ethNetworks,
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create: function (network) {
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return new InfuraProvider(network, "49a0efa3aaee4fd99797bfa94d8ce2f1");
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}
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},
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{
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name: "InfuraWebsocketProvider",
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networks: ethNetworks,
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create: function (network) {
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return InfuraProvider.getWebSocketProvider(network, "49a0efa3aaee4fd99797bfa94d8ce2f1");
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}
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},
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{
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name: "PocketProvider",
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networks: ethNetworks,
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create: function (network) {
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return new PocketProvider(network);
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}
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},
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{
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name: "QuickNodeProvider",
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networks: ethNetworks,
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create: function (network) {
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return new QuickNodeProvider(network);
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}
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},
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{
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name: "FallbackProvider",
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networks: ethNetworks,
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create: function (network) {
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const providers = [];
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for (const providerName of ["AlchemyProvider", "AnkrProvider", "EtherscanProvider", "InfuraProvider"]) {
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const provider = getProvider(providerName, network);
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if (provider) {
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providers.push(provider);
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}
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}
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if (providers.length === 0) {
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throw new Error("UNSUPPORTED NETWORK");
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}
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return new FallbackProvider(providers);
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}
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},
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];
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let setup = false;
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const cleanup = [];
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export function setupProviders() {
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after(function () {
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for (const func of cleanup) {
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func();
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}
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});
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setup = true;
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}
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export const providerNames = Object.freeze(ProviderCreators.map((c) => (c.name)));
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function getCreator(provider) {
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const creators = ProviderCreators.filter((c) => (c.name === provider));
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if (creators.length === 1) {
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return creators[0];
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}
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return null;
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}
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export function getProviderNetworks(provider) {
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const creator = getCreator(provider);
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if (creator) {
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return creator.networks;
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}
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return [];
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}
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export function getProvider(provider, network) {
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if (setup == false) {
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throw new Error("MUST CALL setupProviders in root context");
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}
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const creator = getCreator(provider);
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try {
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if (creator) {
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const provider = creator.create(network);
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if (provider) {
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cleanup.push(() => { provider.destroy(); });
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}
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return provider;
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}
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}
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catch (error) {
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if (!isError(error, "INVALID_ARGUMENT")) {
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throw error;
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}
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}
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return null;
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}
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export function checkProvider(provider, network) {
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const creator = getCreator(provider);
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return (creator != null);
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}
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export function connect(network) {
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const provider = getProvider("InfuraProvider", network);
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if (provider == null) {
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throw new Error(`could not connect to ${network}`);
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}
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return provider;
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}
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//# sourceMappingURL=create-provider.js.map
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