Merge branch 'development' into extractDocs

* development:
  Added base-contract package to README
  Update yarn.lock
  Improve README
  Feedback
  README on derivation path
  Use our dev seed derivation path.
  README
  Add ledger-node package as optional dependency
  Force shouldGetChainCode to true in types
  Nuke tests for now
  Remove old ledger
  Update ledgerco packages
  Remove only
  Fix a typo
  Add PR name
  Improve an error message when an inorrect number of constructor params is passed

17 files changed, 136 insertions, 73 deletions

diff --git a/packages/contracts/test/exchange/core.ts b/packages/contracts/test/exchange/core.ts
index 303d745aa..710d6fe94 100644
--- a/packages/contracts/test/exchange/core.ts
+++ b/packages/contracts/test/exchange/core.ts
@@ -56,9 +56,9 @@ describe('Exchange', () => {
         maker = accounts[0];
         [tokenOwner, taker, feeRecipient] = accounts;
         const [repInstance, dgdInstance, zrxInstance] = await Promise.all([
-            deployer.deployAsync(ContractName.DummyToken),
-            deployer.deployAsync(ContractName.DummyToken),
-            deployer.deployAsync(ContractName.DummyToken),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
         ]);
         rep = new DummyTokenContract(web3Wrapper, repInstance.abi, repInstance.address);
         dgd = new DummyTokenContract(web3Wrapper, dgdInstance.abi, dgdInstance.address);
diff --git a/packages/contracts/test/exchange/helpers.ts b/packages/contracts/test/exchange/helpers.ts
index 9869c2155..625234729 100644
--- a/packages/contracts/test/exchange/helpers.ts
+++ b/packages/contracts/test/exchange/helpers.ts
@@ -39,9 +39,9 @@ describe('Exchange', () => {
         const tokenRegistry = await deployer.deployAsync(ContractName.TokenRegistry);
         const tokenTransferProxy = await deployer.deployAsync(ContractName.TokenTransferProxy);
         const [rep, dgd, zrx] = await Promise.all([
-            deployer.deployAsync(ContractName.DummyToken),
-            deployer.deployAsync(ContractName.DummyToken),
-            deployer.deployAsync(ContractName.DummyToken),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
         ]);
         const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
             zrx.address,
diff --git a/packages/contracts/test/exchange/wrapper.ts b/packages/contracts/test/exchange/wrapper.ts
index 4ea40cb59..239f13a4f 100644
--- a/packages/contracts/test/exchange/wrapper.ts
+++ b/packages/contracts/test/exchange/wrapper.ts
@@ -56,9 +56,9 @@ describe('Exchange', () => {
         tokenOwner = accounts[0];
         [maker, taker, feeRecipient] = accounts;
         const [repInstance, dgdInstance, zrxInstance] = await Promise.all([
-            deployer.deployAsync(ContractName.DummyToken),
-            deployer.deployAsync(ContractName.DummyToken),
-            deployer.deployAsync(ContractName.DummyToken),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
         ]);
         rep = new DummyTokenContract(web3Wrapper, repInstance.abi, repInstance.address);
         dgd = new DummyTokenContract(web3Wrapper, dgdInstance.abi, dgdInstance.address);
diff --git a/packages/contracts/test/token_transfer_proxy/transfer_from.ts b/packages/contracts/test/token_transfer_proxy/transfer_from.ts
index 6b86a0e97..a77590288 100644
--- a/packages/contracts/test/token_transfer_proxy/transfer_from.ts
+++ b/packages/contracts/test/token_transfer_proxy/transfer_from.ts
@@ -38,7 +38,7 @@ describe('TokenTransferProxy', () => {
             tokenTransferProxyInstance.abi,
             tokenTransferProxyInstance.address,
         );
-        const repInstance = await deployer.deployAsync(ContractName.DummyToken);
+        const repInstance = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
         rep = new DummyTokenContract(web3Wrapper, repInstance.abi, repInstance.address);
 
         dmyBalances = new Balances([rep], [accounts[0], accounts[1]]);
diff --git a/packages/contracts/test/unlimited_allowance_token.ts b/packages/contracts/test/unlimited_allowance_token.ts
index 03eb581ad..553178d80 100644
--- a/packages/contracts/test/unlimited_allowance_token.ts
+++ b/packages/contracts/test/unlimited_allowance_token.ts
@@ -34,7 +34,7 @@ describe('UnlimitedAllowanceToken', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
         spender = accounts[1];
-        const tokenInstance = await deployer.deployAsync(ContractName.DummyToken);
+        const tokenInstance = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
         token = new DummyTokenContract(web3Wrapper, tokenInstance.abi, tokenInstance.address);
         await token.mint.sendTransactionAsync(MAX_MINT_VALUE, { from: owner });
         tokenAddress = token.address;
diff --git a/packages/contracts/util/constants.ts b/packages/contracts/util/constants.ts
index e61b2f802..9bb090a2a 100644
--- a/packages/contracts/util/constants.ts
+++ b/packages/contracts/util/constants.ts
@@ -1,3 +1,8 @@
+const DUMMY_TOKEN_NAME = '';
+const DUMMY_TOKEN_SYMBOL = '';
+const DUMMY_TOKEN_DECIMALS = 18;
+const DUMMY_TOKEN_TOTAL_SUPPLY = 0;
+
 export const constants = {
     NULL_BYTES: '0x',
     INVALID_OPCODE: 'invalid opcode',
@@ -6,4 +11,5 @@ export const constants = {
     MAX_ETHERTOKEN_WITHDRAW_GAS: 43000,
     MAX_TOKEN_TRANSFERFROM_GAS: 80000,
     MAX_TOKEN_APPROVE_GAS: 60000,
+    DUMMY_TOKEN_ARGS: [DUMMY_TOKEN_NAME, DUMMY_TOKEN_SYMBOL, DUMMY_TOKEN_DECIMALS, DUMMY_TOKEN_TOTAL_SUPPLY],
 };
diff --git a/packages/deployer/CHANGELOG.md b/packages/deployer/CHANGELOG.md
index 05383bed5..ccfdd6a3b 100644
--- a/packages/deployer/CHANGELOG.md
+++ b/packages/deployer/CHANGELOG.md
@@ -2,7 +2,8 @@
 
 ## v0.2.0 - _March 4, 2018_
 
-    * Check dependencies when determining if contracts should be recompiled (#408).
+    * Check dependencies when determining if contracts should be recompiled (#408)
+    * Improve an error message for when deployer is supplied with an incorrect number of constructor arguments (#419)
 
 ## v0.1.0 - _February 16, 2018_
 
diff --git a/packages/deployer/src/deployer.ts b/packages/deployer/src/deployer.ts
index 6710bcc85..e87d2ab0e 100644
--- a/packages/deployer/src/deployer.ts
+++ b/packages/deployer/src/deployer.ts
@@ -1,4 +1,4 @@
-import { TxData } from '@0xproject/types';
+import { AbiType, TxData } from '@0xproject/types';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
@@ -49,6 +49,18 @@ export class Deployer {
             gas,
         };
         const abi = contractNetworkDataIfExists.abi;
+        const constructorAbi = _.find(abi, { type: AbiType.Constructor }) as Web3.ConstructorAbi;
+        const constructorArgs = _.isUndefined(constructorAbi) ? [] : constructorAbi.inputs;
+        if (constructorArgs.length !== args.length) {
+            const constructorSignature = `constructor(${_.map(constructorArgs, arg => `${arg.type} ${arg.name}`).join(
+                ', ',
+            )})`;
+            throw new Error(
+                `${contractName} expects ${constructorArgs.length} constructor params: ${constructorSignature}. Got ${
+                    args.length
+                }`,
+            );
+        }
         const web3ContractInstance = await this._deployFromAbiAsync(abi, args, txData);
         utils.consoleLog(`${contractName}.sol successfully deployed at ${web3ContractInstance.address}`);
         const contractInstance = new Contract(web3ContractInstance, this._defaults);
diff --git a/packages/subproviders/CHANGELOG.md b/packages/subproviders/CHANGELOG.md
index 7e1e006e3..8e7321d4a 100644
--- a/packages/subproviders/CHANGELOG.md
+++ b/packages/subproviders/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## v0.7.0 - _TBD_
+
+    * Updated legerco packages. Removed node-hid package as a dependency and make it an optional dependency. It is still used in integration tests but is causing problems for users on Linux distros. (#437)
+
 ## v0.6.0 - _March 4, 2018_
 
     * Move web3 types from being a devDep to a dep since one cannot use this package without it (#429)
diff --git a/packages/subproviders/README.md b/packages/subproviders/README.md
index 67a6a92d2..4614342b2 100644
--- a/packages/subproviders/README.md
+++ b/packages/subproviders/README.md
@@ -42,6 +42,28 @@ const accounts = await ledgerSubprovider.getAccountsAsync();
 
 A subprovider that enables your dApp to send signing requests to a user's Ledger Nano S hardware wallet. These can be requests to sign transactions or messages.
 
+Ledger Nano (and this library) by default uses a derivation path of `44'/60'/0'`. This is different to TestRPC which by default uses `m/44'/60'/0'/0`. This is a configuration option in the Ledger Subprovider package.
+
+##### Ledger Nano S + Node-hid (usb)
+
+By default, node-hid transport support is an optional dependency. This is due to the requirement of native usb developer packages on the host system. If these aren't installed the entire `npm install` fails. We also no longer export node-hid transport client factories. To re-create this see our integration tests or follow the example below:
+
+```typescript
+import Eth from '@ledgerhq/hw-app-eth';
+import TransportNodeHid from '@ledgerhq/hw-transport-node-hid';
+async function ledgerEthereumNodeJsClientFactoryAsync(): Promise<LedgerEthereumClient> {
+    const ledgerConnection = await TransportNodeHid.create();
+    const ledgerEthClient = new Eth(ledgerConnection);
+    return ledgerEthClient;
+}
+
+// Create a LedgerSubprovider with the node-hid transport
+ledgerSubprovider = new LedgerSubprovider({
+    networkId,
+    ledgerEthereumClientFactoryAsync: ledgerEthereumNodeJsClientFactoryAsync,
+});
+```
+
 #### Redundant RPC subprovider
 
 A subprovider which attempts to send an RPC call to a list of RPC endpoints sequentially, until one of them returns a successful response.
@@ -104,10 +126,12 @@ yarn run test:unit
 
 In order to run the integration tests, make sure you have a Ledger Nano S available.
 
+*   Setup your Ledger with the development mnemonic seed: `concert load couple harbor equip island argue ramp clarify fence smart topic`
 *   Plug it into your computer
 *   Unlock the device
 *   Open the on-device Ethereum app
-*   Make sure "browser support" is disabled
+*   Make sure "browser support" and "contract data" are disabled
+*   Start [TestRPC](https://github.com/trufflesuite/ganache-cli) locally at port `8545`
 
 Then run:
 
@@ -115,6 +139,8 @@ Then run:
 yarn test:integration
 ```
 
+**Note:** We assume a derivation path of `m/44'/60'/0'/0` which is already configured in the tests. With this setup and derivation path, your first account should be `0x5409ed021d9299bf6814279a6a1411a7e866a631`, exactly like TestRPC.
+
 #### All tests
 
 ```bash
diff --git a/packages/subproviders/package.json b/packages/subproviders/package.json
index ec0642bce..a3e865d24 100644
--- a/packages/subproviders/package.json
+++ b/packages/subproviders/package.json
@@ -21,12 +21,13 @@
         "@0xproject/assert": "^0.1.0",
         "@0xproject/types": "^0.3.0",
         "@0xproject/utils": "^0.4.0",
+        "@ledgerhq/hw-app-eth": "^4.3.0",
+        "@ledgerhq/hw-transport-u2f": "^4.3.0",
         "bn.js": "^4.11.8",
         "es6-promisify": "^5.0.0",
         "ethereumjs-tx": "^1.3.3",
         "ethereumjs-util": "^5.1.1",
         "hdkey": "^0.7.1",
-        "ledgerco": "0xProject/ledger-node-js-api",
         "lodash": "^4.17.4",
         "semaphore-async-await": "^1.5.1",
         "web3": "^0.20.0",
@@ -53,5 +54,8 @@
         "types-ethereumjs-util": "0xProject/types-ethereumjs-util",
         "typescript": "2.7.1",
         "webpack": "^3.1.0"
+    },
+    "optionalDependencies": {
+        "@ledgerhq/hw-transport-node-hid": "^4.3.0"
     }
 }
diff --git a/packages/subproviders/src/globals.d.ts b/packages/subproviders/src/globals.d.ts
index 6f344dcd3..d59ee9e67 100644
--- a/packages/subproviders/src/globals.d.ts
+++ b/packages/subproviders/src/globals.d.ts
@@ -32,32 +32,38 @@ interface ECSignature {
     r: string;
     s: string;
 }
-declare module 'ledgerco' {
-    interface comm {
-        close_async(): Promise<void>;
-    }
-    export class comm_node implements comm {
-        public static create_async(timeoutMilliseconds?: number): Promise<comm_node>;
-        public close_async(): Promise<void>;
-    }
-    export class comm_u2f implements comm {
-        public static create_async(): Promise<comm_u2f>;
-        public close_async(): Promise<void>;
-    }
-    export class eth {
-        public comm: comm;
-        constructor(comm: comm);
-        public getAddress_async(
+
+interface LedgerTransport {
+    close(): Promise<void>;
+}
+
+declare module '@ledgerhq/hw-app-eth' {
+    class Eth {
+        public transport: LedgerTransport;
+        constructor(transport: LedgerTransport);
+        public getAddress(
             path: string,
-            display?: boolean,
-            chaincode?: boolean,
+            boolDisplay?: boolean,
+            boolChaincode?: boolean,
         ): Promise<{ publicKey: string; address: string; chainCode: string }>;
-        public signTransaction_async(path: string, rawTxHex: string): Promise<ECSignatureString>;
-        public getAppConfiguration_async(): Promise<{
-            arbitraryDataEnabled: number;
-            version: string;
-        }>;
-        public signPersonalMessage_async(path: string, messageHex: string): Promise<ECSignature>;
+        public signTransaction(path: string, rawTxHex: string): Promise<ECSignatureString>;
+        public getAppConfiguration(): Promise<{ arbitraryDataEnabled: number; version: string }>;
+        public signPersonalMessage(path: string, messageHex: string): Promise<ECSignature>;
+    }
+    export default Eth;
+}
+
+declare module '@ledgerhq/hw-transport-u2f' {
+    export default class TransportU2F implements LedgerTransport {
+        public static create(): Promise<LedgerTransport>;
+        public close(): Promise<void>;
+    }
+}
+
+declare module '@ledgerhq/hw-transport-node-hid' {
+    export default class TransportNodeHid implements LedgerTransport {
+        public static create(): Promise<LedgerTransport>;
+        public close(): Promise<void>;
     }
 }
 
diff --git a/packages/subproviders/src/index.ts b/packages/subproviders/src/index.ts
index 4da405ec0..e22b6f5f3 100644
--- a/packages/subproviders/src/index.ts
+++ b/packages/subproviders/src/index.ts
@@ -1,8 +1,5 @@
-import {
-    comm_node as LedgerNodeCommunication,
-    comm_u2f as LedgerBrowserCommunication,
-    eth as LedgerEthereumClientFn,
-} from 'ledgerco';
+import Eth from '@ledgerhq/hw-app-eth';
+import TransportU2F from '@ledgerhq/hw-transport-u2f';
 
 import { LedgerEthereumClient } from './types';
 
@@ -19,17 +16,7 @@ export { ECSignature, LedgerWalletSubprovider, LedgerCommunicationClient, NonceS
  * @return LedgerEthereumClient A browser client
  */
 export async function ledgerEthereumBrowserClientFactoryAsync(): Promise<LedgerEthereumClient> {
-    const ledgerConnection = await LedgerBrowserCommunication.create_async();
-    const ledgerEthClient = new LedgerEthereumClientFn(ledgerConnection);
-    return ledgerEthClient;
-}
-
-/**
- * A factory for creating a LedgerEthereumClient usable in a Node.js context.
- * @return LedgerEthereumClient A Node.js client
- */
-export async function ledgerEthereumNodeJsClientFactoryAsync(): Promise<LedgerEthereumClient> {
-    const ledgerConnection = await LedgerNodeCommunication.create_async();
-    const ledgerEthClient = new LedgerEthereumClientFn(ledgerConnection);
+    const ledgerConnection = await TransportU2F.create();
+    const ledgerEthClient = new Eth(ledgerConnection);
     return ledgerEthClient;
 }
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index 85cdf0efc..0a84caae3 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -134,7 +134,7 @@ export class LedgerSubprovider extends Subprovider {
 
         let ledgerResponse;
         try {
-            ledgerResponse = await this._ledgerClientIfExists.getAddress_async(
+            ledgerResponse = await this._ledgerClientIfExists.getAddress(
                 this._derivationPath,
                 this._shouldAlwaysAskForConfirmation,
                 SHOULD_GET_CHAIN_CODE,
@@ -173,7 +173,7 @@ export class LedgerSubprovider extends Subprovider {
         const txHex = tx.serialize().toString('hex');
         try {
             const derivationPath = this._getDerivationPath();
-            const result = await this._ledgerClientIfExists.signTransaction_async(derivationPath, txHex);
+            const result = await this._ledgerClientIfExists.signTransaction(derivationPath, txHex);
             // Store signature in transaction
             tx.r = Buffer.from(result.r, 'hex');
             tx.s = Buffer.from(result.s, 'hex');
@@ -199,7 +199,7 @@ export class LedgerSubprovider extends Subprovider {
         this._ledgerClientIfExists = await this._createLedgerClientAsync();
         try {
             const derivationPath = this._getDerivationPath();
-            const result = await this._ledgerClientIfExists.signPersonalMessage_async(
+            const result = await this._ledgerClientIfExists.signPersonalMessage(
                 derivationPath,
                 ethUtil.stripHexPrefix(data),
             );
@@ -236,7 +236,7 @@ export class LedgerSubprovider extends Subprovider {
             this._connectionLock.signal();
             return;
         }
-        await this._ledgerClientIfExists.comm.close_async();
+        await this._ledgerClientIfExists.transport.close();
         this._ledgerClientIfExists = undefined;
         this._connectionLock.signal();
     }
diff --git a/packages/subproviders/src/types.ts b/packages/subproviders/src/types.ts
index 65b7f6c8f..f49ac6107 100644
--- a/packages/subproviders/src/types.ts
+++ b/packages/subproviders/src/types.ts
@@ -1,7 +1,7 @@
 import * as _ from 'lodash';
 
 export interface LedgerCommunicationClient {
-    close_async: () => Promise<void>;
+    close: () => Promise<void>;
 }
 
 /*
@@ -12,14 +12,14 @@ export interface LedgerCommunicationClient {
 export interface LedgerEthereumClient {
     // shouldGetChainCode is defined as `true` instead of `boolean` because other types rely on the assumption
     // that we get back the chain code and we don't have dependent types to express it properly
-    getAddress_async: (
+    getAddress: (
         derivationPath: string,
         askForDeviceConfirmation: boolean,
         shouldGetChainCode: true,
     ) => Promise<LedgerGetAddressResult>;
-    signPersonalMessage_async: (derivationPath: string, messageHex: string) => Promise<ECSignature>;
-    signTransaction_async: (derivationPath: string, txHex: string) => Promise<ECSignatureString>;
-    comm: LedgerCommunicationClient;
+    signTransaction: (derivationPath: string, rawTxHex: string) => Promise<ECSignatureString>;
+    signPersonalMessage: (derivationPath: string, messageHex: string) => Promise<ECSignature>;
+    transport: LedgerCommunicationClient;
 }
 
 export interface ECSignatureString {
diff --git a/packages/subproviders/test/integration/ledger_subprovider_test.ts b/packages/subproviders/test/integration/ledger_subprovider_test.ts
index b052a76d2..a94cfbe3a 100644
--- a/packages/subproviders/test/integration/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/integration/ledger_subprovider_test.ts
@@ -1,3 +1,7 @@
+import Eth from '@ledgerhq/hw-app-eth';
+// HACK: This depdency is optional and tslint skips optional depdencies
+// tslint:disable-next-line:no-implicit-dependencies
+import TransportNodeHid from '@ledgerhq/hw-transport-node-hid';
 import * as chai from 'chai';
 import promisify = require('es6-promisify');
 import * as ethUtils from 'ethereumjs-util';
@@ -6,14 +10,21 @@ import Web3 = require('web3');
 import Web3ProviderEngine = require('web3-provider-engine');
 import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
 
-import { ledgerEthereumNodeJsClientFactoryAsync, LedgerSubprovider } from '../../src';
-import { DoneCallback } from '../../src/types';
+import { LedgerSubprovider } from '../../src';
+import { DoneCallback, LedgerEthereumClient } from '../../src/types';
 import { chaiSetup } from '../chai_setup';
 import { reportCallbackErrors } from '../utils/report_callback_errors';
 
 chaiSetup.configure();
 const expect = chai.expect;
 
+async function ledgerEthereumNodeJsClientFactoryAsync(): Promise<LedgerEthereumClient> {
+    const ledgerConnection = await TransportNodeHid.create();
+    const ledgerEthClient = new Eth(ledgerConnection);
+    return ledgerEthClient;
+}
+
+const TESTRPC_DERIVATION_PATH = `m/44'/60'/0'/0`;
 const TEST_RPC_ACCOUNT_0 = '0x5409ed021d9299bf6814279a6a1411a7e866a631';
 
 describe('LedgerSubprovider', () => {
@@ -23,6 +34,7 @@ describe('LedgerSubprovider', () => {
         ledgerSubprovider = new LedgerSubprovider({
             networkId,
             ledgerEthereumClientFactoryAsync: ledgerEthereumNodeJsClientFactoryAsync,
+            derivationPath: TESTRPC_DERIVATION_PATH,
         });
     });
     describe('direct method calls', () => {
@@ -31,6 +43,10 @@ describe('LedgerSubprovider', () => {
             expect(accounts[0]).to.not.be.an('undefined');
             expect(accounts.length).to.be.equal(10);
         });
+        it('returns the expected first account from a ledger set up with the test mnemonic', async () => {
+            const accounts = await ledgerSubprovider.getAccountsAsync();
+            expect(accounts[0]).to.be.equal(TEST_RPC_ACCOUNT_0);
+        });
         it('returns requested number of accounts', async () => {
             const numberOfAccounts = 20;
             const accounts = await ledgerSubprovider.getAccountsAsync(numberOfAccounts);
@@ -50,10 +66,11 @@ describe('LedgerSubprovider', () => {
                 to: '0x0000000000000000000000000000000000000000',
                 value: '0x00',
                 chainId: 3,
+                from: TEST_RPC_ACCOUNT_0,
             };
             const txHex = await ledgerSubprovider.signTransactionAsync(tx);
             expect(txHex).to.be.equal(
-                '0xf85f8080822710940000000000000000000000000000000000000000808077a088a95ef1378487bc82be558e82c8478baf840c545d5b887536bb1da63673a98ba0019f4a4b9a107d1e6752bf7f701e275f28c13791d6e76af895b07373462cefaa',
+                '0xf85f8080822710940000000000000000000000000000000000000000808078a0712854c73c69445cc1b22a7c3d7312ff9a97fe4ffba35fd636e8236b211b6e7ca0647cee031615e52d916c7c707025bc64ad525d8f1b9876c3435a863b42743178',
             );
         });
     });
diff --git a/packages/subproviders/test/unit/ledger_subprovider_test.ts b/packages/subproviders/test/unit/ledger_subprovider_test.ts
index 0d301bce9..4c0803a29 100644
--- a/packages/subproviders/test/unit/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/unit/ledger_subprovider_test.ts
@@ -21,7 +21,7 @@ describe('LedgerSubprovider', () => {
         const ledgerEthereumClientFactoryAsync = async () => {
             // tslint:disable:no-object-literal-type-assertion
             const ledgerEthClient = {
-                getAddress_async: async () => {
+                getAddress: async () => {
                     const publicKey =
                         '04f428290f4c5ed6a198f71b8205f488141dbb3f0840c923bbfa798ecbee6370986c03b5575d94d506772fb48a6a44e345e4ebd4f028a6f609c44b655d6d3e71a1';
                     const chainCode = 'ac055a5537c0c7e9e02d14a197cad6b857836da2a12043b46912a37d959b5ae8';
@@ -32,7 +32,7 @@ describe('LedgerSubprovider', () => {
                         chainCode,
                     };
                 },
-                signPersonalMessage_async: async () => {
+                signPersonalMessage: async () => {
                     const ecSignature = {
                         v: 28,
                         r: 'a6cc284bff14b42bdf5e9286730c152be91719d478605ec46b3bebcd0ae49148',
@@ -40,7 +40,7 @@ describe('LedgerSubprovider', () => {
                     };
                     return ecSignature;
                 },
-                signTransaction_async: async (derivationPath: string, txHex: string) => {
+                signTransaction: async (derivationPath: string, txHex: string) => {
                     const ecSignature = {
                         v: '77',
                         r: '88a95ef1378487bc82be558e82c8478baf840c545d5b887536bb1da63673a98b',
@@ -48,8 +48,8 @@ describe('LedgerSubprovider', () => {
                     };
                     return ecSignature;
                 },
-                comm: {
-                    close_async: _.noop,
+                transport: {
+                    close: _.noop,
                 } as LedgerCommunicationClient,
             };
             // tslint:enable:no-object-literal-type-assertion