本文整理汇总了TypeScript中ts/utils/utils.utils.isU2FSupportedAsync方法的典型用法代码示例。如果您正苦于以下问题：TypeScript utils.isU2FSupportedAsync方法的具体用法？TypeScript utils.isU2FSupportedAsync怎么用？TypeScript utils.isU2FSupportedAsync使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ts/utils/utils.utils的用法示例。
在下文中一共展示了utils.isU2FSupportedAsync方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: providerTypeUpdatedFireAndForgetAsync
public async providerTypeUpdatedFireAndForgetAsync(providerType: ProviderType) {
utils.assert(!_.isUndefined(this.zeroEx), 'ZeroEx must be instantiated.');
// Should actually be Web3.Provider|ProviderEngine union type but it causes issues
// later on in the logic.
let provider;
switch (providerType) {
case ProviderType.LEDGER: {
const isU2FSupported = await utils.isU2FSupportedAsync();
if (!isU2FSupported) {
throw new Error('Cannot update providerType to LEDGER without U2F support');
}
// Cache injected provider so that we can switch the user back to it easily
this.cachedProvider = this.web3Wrapper.getProviderObj();
this.dispatcher.updateUserAddress(''); // Clear old userAddress
provider = new ProviderEngine();
this.ledgerSubProvider = ledgerWalletSubproviderFactory(this.getBlockchainNetworkId.bind(this));
provider.addProvider(this.ledgerSubProvider);
provider.addProvider(new FilterSubprovider());
const networkId = configs.isMainnetEnabled ?
constants.MAINNET_NETWORK_ID :
constants.TESTNET_NETWORK_ID;
provider.addProvider(new RedundantRPCSubprovider(
constants.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkId],
));
provider.start();
this.web3Wrapper.destroy();
const shouldPollUserAddress = false;
this.web3Wrapper = new Web3Wrapper(this.dispatcher, provider, this.networkId, shouldPollUserAddress);
await this.zeroEx.setProviderAsync(provider);
await this.postInstantiationOrUpdatingProviderZeroExAsync();
break;
}
case ProviderType.INJECTED: {
if (_.isUndefined(this.cachedProvider)) {
return; // Going from injected to injected, so we noop
}
provider = this.cachedProvider;
const shouldPollUserAddress = true;
this.web3Wrapper = new Web3Wrapper(this.dispatcher, provider, this.networkId, shouldPollUserAddress);
await this.zeroEx.setProviderAsync(provider);
await this.postInstantiationOrUpdatingProviderZeroExAsync();
delete this.ledgerSubProvider;
delete this.cachedProvider;
break;
}
default:
throw utils.spawnSwitchErr('providerType', providerType);
}
await this.fetchTokenInformationAsync();
}示例2: updateProviderToLedgerAsync
public async updateProviderToLedgerAsync(networkId: number) {
utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
const isU2FSupported = await utils.isU2FSupportedAsync();
if (!isU2FSupported) {
throw new Error('Cannot update providerType to LEDGER without U2F support');
}
// Cache injected provider so that we can switch the user back to it easily
if (_.isUndefined(this._cachedProvider)) {
this._cachedProvider = this._web3Wrapper.getProvider();
this._cachedProviderNetworkId = this.networkId;
}
this._blockchainWatcher.destroy();
delete this._userAddressIfExists;
this._dispatcher.updateUserAddress(undefined); // Clear old userAddress
const provider = new ProviderEngine();
const ledgerWalletConfigs = {
networkId,
ledgerEthereumClientFactoryAsync: ledgerEthereumBrowserClientFactoryAsync,
};
this._ledgerSubprovider = new LedgerSubprovider(ledgerWalletConfigs);
provider.addProvider(this._ledgerSubprovider);
provider.addProvider(new FilterSubprovider());
provider.addProvider(new RedundantRPCSubprovider(configs.PUBLIC_NODE_URLS_BY_NETWORK_ID[networkId]));
provider.start();
this.networkId = networkId;
this._dispatcher.updateNetworkId(this.networkId);
const shouldPollUserAddress = false;
this._web3Wrapper = new Web3Wrapper(provider);
this._blockchainWatcher = new BlockchainWatcher(
this._dispatcher,
this._web3Wrapper,
this.networkId,
shouldPollUserAddress,
);
this._zeroEx.setProvider(provider, this.networkId);
this._blockchainWatcher.startEmittingNetworkConnectionAndUserBalanceState();
this._dispatcher.updateProviderType(ProviderType.Ledger);
}