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TypeScript utils.isU2FSupportedAsync方法代码示例

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, 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();
    }
开发者ID:NickMinnellaCS96,项目名称:website,代码行数:56,代码来源:blockchain.ts

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);
    }
开发者ID:ewingrj,项目名称:0x-monorepo,代码行数:43,代码来源:blockchain.ts


注:本文中的ts/utils/utils.utils.isU2FSupportedAsync方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。