saepenatus
Version:
Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul
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JavaScript
;
import { Logger } from "@ethersproject/logger";
import { version } from "./_version";
const logger = new Logger(version);
;
function isRenetworkable(value) {
return (value && typeof (value.renetwork) === "function");
}
function ethDefaultProvider(network) {
const func = function (providers, options) {
if (options == null) {
options = {};
}
const providerList = [];
if (providers.InfuraProvider) {
try {
providerList.push(new providers.InfuraProvider(network, options.infura));
}
catch (error) { }
}
if (providers.EtherscanProvider) {
try {
providerList.push(new providers.EtherscanProvider(network, options.etherscan));
}
catch (error) { }
}
if (providers.AlchemyProvider) {
try {
providerList.push(new providers.AlchemyProvider(network, options.alchemy));
}
catch (error) { }
}
if (providers.PocketProvider) {
// These networks are currently faulty on Pocket as their
// network does not handle the Berlin hardfork, which is
// live on these ones.
// @TODO: This goes away once Pocket has upgraded their nodes
const skip = ["goerli", "ropsten", "rinkeby"];
try {
const provider = new providers.PocketProvider(network);
if (provider.network && skip.indexOf(provider.network.name) === -1) {
providerList.push(provider);
}
}
catch (error) { }
}
if (providers.CloudflareProvider) {
try {
providerList.push(new providers.CloudflareProvider(network));
}
catch (error) { }
}
if (providerList.length === 0) {
return null;
}
if (providers.FallbackProvider) {
let quorum = 1;
if (options.quorum != null) {
quorum = options.quorum;
}
else if (network === "homestead") {
quorum = 2;
}
return new providers.FallbackProvider(providerList, quorum);
}
return providerList[0];
};
func.renetwork = function (network) {
return ethDefaultProvider(network);
};
return func;
}
function etcDefaultProvider(url, network) {
const func = function (providers, options) {
if (providers.JsonRpcProvider) {
return new providers.JsonRpcProvider(url, network);
}
return null;
};
func.renetwork = function (network) {
return etcDefaultProvider(url, network);
};
return func;
}
const homestead = {
chainId: 1,
ensAddress: "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
name: "homestead",
_defaultProvider: ethDefaultProvider("homestead")
};
const ropsten = {
chainId: 3,
ensAddress: "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
name: "ropsten",
_defaultProvider: ethDefaultProvider("ropsten")
};
const classicMordor = {
chainId: 63,
name: "classicMordor",
_defaultProvider: etcDefaultProvider("https://www.ethercluster.com/mordor", "classicMordor")
};
// See: https://chainlist.org
const networks = {
unspecified: { chainId: 0, name: "unspecified" },
homestead: homestead,
mainnet: homestead,
morden: { chainId: 2, name: "morden" },
ropsten: ropsten,
testnet: ropsten,
rinkeby: {
chainId: 4,
ensAddress: "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
name: "rinkeby",
_defaultProvider: ethDefaultProvider("rinkeby")
},
kovan: {
chainId: 42,
name: "kovan",
_defaultProvider: ethDefaultProvider("kovan")
},
goerli: {
chainId: 5,
ensAddress: "0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e",
name: "goerli",
_defaultProvider: ethDefaultProvider("goerli")
},
kintsugi: { chainId: 1337702, name: "kintsugi" },
// ETC (See: #351)
classic: {
chainId: 61,
name: "classic",
_defaultProvider: etcDefaultProvider("https:/\/www.ethercluster.com/etc", "classic")
},
classicMorden: { chainId: 62, name: "classicMorden" },
classicMordor: classicMordor,
classicTestnet: classicMordor,
classicKotti: {
chainId: 6,
name: "classicKotti",
_defaultProvider: etcDefaultProvider("https:/\/www.ethercluster.com/kotti", "classicKotti")
},
xdai: { chainId: 100, name: "xdai" },
matic: { chainId: 137, name: "matic" },
maticmum: { chainId: 80001, name: "maticmum" },
optimism: { chainId: 10, name: "optimism" },
"optimism-kovan": { chainId: 69, name: "optimism-kovan" },
"optimism-goerli": { chainId: 420, name: "optimism-goerli" },
arbitrum: { chainId: 42161, name: "arbitrum" },
"arbitrum-rinkeby": { chainId: 421611, name: "arbitrum-rinkeby" },
bnb: { chainId: 56, name: "bnb" },
bnbt: { chainId: 97, name: "bnbt" },
};
/**
* getNetwork
*
* Converts a named common networks or chain ID (network ID) to a Network
* and verifies a network is a valid Network..
*/
export function getNetwork(network) {
// No network (null)
if (network == null) {
return null;
}
if (typeof (network) === "number") {
for (const name in networks) {
const standard = networks[name];
if (standard.chainId === network) {
return {
name: standard.name,
chainId: standard.chainId,
ensAddress: (standard.ensAddress || null),
_defaultProvider: (standard._defaultProvider || null)
};
}
}
return {
chainId: network,
name: "unknown"
};
}
if (typeof (network) === "string") {
const standard = networks[network];
if (standard == null) {
return null;
}
return {
name: standard.name,
chainId: standard.chainId,
ensAddress: standard.ensAddress,
_defaultProvider: (standard._defaultProvider || null)
};
}
const standard = networks[network.name];
// Not a standard network; check that it is a valid network in general
if (!standard) {
if (typeof (network.chainId) !== "number") {
logger.throwArgumentError("invalid network chainId", "network", network);
}
return network;
}
// Make sure the chainId matches the expected network chainId (or is 0; disable EIP-155)
if (network.chainId !== 0 && network.chainId !== standard.chainId) {
logger.throwArgumentError("network chainId mismatch", "network", network);
}
// @TODO: In the next major version add an attach function to a defaultProvider
// class and move the _defaultProvider internal to this file (extend Network)
let defaultProvider = network._defaultProvider || null;
if (defaultProvider == null && standard._defaultProvider) {
if (isRenetworkable(standard._defaultProvider)) {
defaultProvider = standard._defaultProvider.renetwork(network);
}
else {
defaultProvider = standard._defaultProvider;
}
}
// Standard Network (allow overriding the ENS address)
return {
name: network.name,
chainId: standard.chainId,
ensAddress: (network.ensAddress || standard.ensAddress || null),
_defaultProvider: defaultProvider
};
}
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