diff options
Diffstat (limited to 'packages/subproviders/src/subproviders/ledger.ts')
| -rw-r--r-- | packages/subproviders/src/subproviders/ledger.ts | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts index a058e09ad..a216b3d74 100644 --- a/packages/subproviders/src/subproviders/ledger.ts +++ b/packages/subproviders/src/subproviders/ledger.ts @@ -1,5 +1,5 @@ -import {assert} from '@0xproject/assert'; -import {addressUtils} from '@0xproject/utils'; +import { assert } from '@0xproject/assert'; +import { addressUtils } from '@0xproject/utils'; import EthereumTx = require('ethereumjs-tx'); import ethUtil = require('ethereumjs-util'); import HDNode = require('hdkey'); @@ -16,7 +16,7 @@ import { ResponseWithTxParams, } from '../types'; -import {Subprovider} from './subprovider'; +import { Subprovider } from './subprovider'; const DEFAULT_DERIVATION_PATH = `44'/60'/0'`; const NUM_ADDRESSES_TO_FETCH = 10; @@ -44,12 +44,11 @@ export class LedgerSubprovider extends Subprovider { this._networkId = config.networkId; this._ledgerEthereumClientFactoryAsync = config.ledgerEthereumClientFactoryAsync; this._derivationPath = config.derivationPath || DEFAULT_DERIVATION_PATH; - this._shouldAlwaysAskForConfirmation = !_.isUndefined(config.accountFetchingConfigs) && - !_.isUndefined( - config.accountFetchingConfigs.shouldAskForOnDeviceConfirmation, - ) ? - config.accountFetchingConfigs.shouldAskForOnDeviceConfirmation : - ASK_FOR_ON_DEVICE_CONFIRMATION; + this._shouldAlwaysAskForConfirmation = + !_.isUndefined(config.accountFetchingConfigs) && + !_.isUndefined(config.accountFetchingConfigs.shouldAskForOnDeviceConfirmation) + ? config.accountFetchingConfigs.shouldAskForOnDeviceConfirmation + : ASK_FOR_ON_DEVICE_CONFIRMATION; this._derivationPathIndex = 0; } public getPath(): string { @@ -62,7 +61,9 @@ export class LedgerSubprovider extends Subprovider { this._derivationPathIndex = pathIndex; } public async handleRequest( - payload: Web3.JSONRPCRequestPayload, next: () => void, end: (err: Error|null, result?: any) => void, + payload: Web3.JSONRPCRequestPayload, + next: () => void, + end: (err: Error | null, result?: any) => void, ) { let accounts; let txParams; @@ -132,7 +133,9 @@ export class LedgerSubprovider extends Subprovider { let ledgerResponse; try { ledgerResponse = await this._ledgerClientIfExists.getAddress_async( - this._derivationPath, this._shouldAlwaysAskForConfirmation, SHOULD_GET_CHAIN_CODE, + this._derivationPath, + this._shouldAlwaysAskForConfirmation, + SHOULD_GET_CHAIN_CODE, ); } finally { await this._destroyLedgerClientAsync(); @@ -147,9 +150,9 @@ export class LedgerSubprovider extends Subprovider { const derivedHDNode = hdKey.derive(`m/${i + this._derivationPathIndex}`); const derivedPublicKey = derivedHDNode.publicKey; const shouldSanitizePublicKey = true; - const ethereumAddressUnprefixed = ethUtil.publicToAddress( - derivedPublicKey, shouldSanitizePublicKey, - ).toString('hex'); + const ethereumAddressUnprefixed = ethUtil + .publicToAddress(derivedPublicKey, shouldSanitizePublicKey) + .toString('hex'); const ethereumAddressPrefixed = ethUtil.addHexPrefix(ethereumAddressUnprefixed); accounts.push(ethereumAddressPrefixed.toLowerCase()); } @@ -195,7 +198,9 @@ export class LedgerSubprovider extends Subprovider { try { const derivationPath = this._getDerivationPath(); const result = await this._ledgerClientIfExists.signPersonalMessage_async( - derivationPath, ethUtil.stripHexPrefix(data)); + derivationPath, + ethUtil.stripHexPrefix(data), + ); const v = result.v - 27; let vHex = v.toString(16); if (vHex.length < 2) { |