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author | Amir Bandeali <abandeali1@gmail.com> | 2018-06-28 06:13:57 +0800 |
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committer | Amir Bandeali <abandeali1@gmail.com> | 2018-06-30 08:25:56 +0800 |
commit | 6e1a549fcb5cc9257ee984a906db78dd2568042b (patch) | |
tree | 08432dbc8a2e12c352030ed40f62f3bd44227f97 /packages/migrations/src/utils/provider_factory.ts | |
parent | 5f0a2953c63c31daa975b587f5c5072b6f7e418c (diff) | |
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Use ledger subprovider
Diffstat (limited to 'packages/migrations/src/utils/provider_factory.ts')
-rw-r--r-- | packages/migrations/src/utils/provider_factory.ts | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/packages/migrations/src/utils/provider_factory.ts b/packages/migrations/src/utils/provider_factory.ts new file mode 100644 index 000000000..14b1be982 --- /dev/null +++ b/packages/migrations/src/utils/provider_factory.ts @@ -0,0 +1,37 @@ +import { LedgerSubprovider } from '@0xproject/subproviders'; +import { Web3Wrapper } from '@0xproject/web3-wrapper'; +import Eth from '@ledgerhq/hw-app-eth'; +import TransportNodeHid from '@ledgerhq/hw-transport-node-hid'; +import { Provider } from 'ethereum-types'; +import ProviderEngine = require('web3-provider-engine'); +import RpcSubprovider = require('web3-provider-engine/subproviders/rpc'); + +import { LedgerEthereumClient } from '../types'; + +import { constants } from './constants'; + +async function ledgerEthereumNodeJsClientFactoryAsync(): Promise<LedgerEthereumClient> { + const ledgerConnection = await TransportNodeHid.create(); + const ledgerEthClient = new Eth(ledgerConnection); + return ledgerEthClient; +} +export const providerFactory = { + async getLedgerProviderAsync(): Promise<Provider> { + const provider = new ProviderEngine(); + provider.addProvider( + new RpcSubprovider({ + rpcUrl: constants.RPC_URL, + }), + ); + const web3Wrapper = new Web3Wrapper(provider); + const networkId = await web3Wrapper.getNetworkIdAsync(); + const ledgerWalletConfigs = { + networkId, + ledgerEthereumClientFactoryAsync: ledgerEthereumNodeJsClientFactoryAsync, + }; + const ledgerSubprovider = new LedgerSubprovider(ledgerWalletConfigs); + provider.addProvider(ledgerSubprovider); + provider.start(); + return provider; + }, +}; |