123 lines
3.7 KiB
JavaScript
123 lines
3.7 KiB
JavaScript
import { AlchemyProvider, AnkrProvider, CloudflareProvider, EtherscanProvider, InfuraProvider,
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// PocketProvider,
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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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name: "CloudflareProvider",
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networks: ["default", "mainnet"],
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create: function (network) {
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return new CloudflareProvider(network);
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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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{
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name: "PocketProvider",
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networks: ethNetworks,
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create: function(network: string) {
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const apiKeys: Record<string, string> = {
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mainnet: "6004bcd10040261633ade990",
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ropsten: "6004bd4d0040261633ade991",
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rinkeby: "6004bda20040261633ade994",
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goerli: "6004bd860040261633ade992",
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};
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return new PocketProvider(network, apiKeys[network]);
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}
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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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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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const creator = getCreator(provider);
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try {
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if (creator) {
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return creator.create(network);
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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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