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import { JSONRPCResponsePayload } from '@0xproject/types';
import { promisify } from '@0xproject/utils';
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 * as ethUtils from 'ethereumjs-util';
import * as _ from 'lodash';
import Web3 = require('web3');
import Web3ProviderEngine = require('web3-provider-engine');
import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
import { LedgerSubprovider } from '../../src';
import { DoneCallback, LedgerEthereumClient } from '../../src/types';
import { chaiSetup } from '../chai_setup';
import { fixtureData } from '../utils/fixture_data';
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;
}
describe('LedgerSubprovider', () => {
let ledgerSubprovider: LedgerSubprovider;
const networkId: number = fixtureData.NETWORK_ID;
before(async () => {
ledgerSubprovider = new LedgerSubprovider({
networkId,
ledgerEthereumClientFactoryAsync: ledgerEthereumNodeJsClientFactoryAsync,
baseDerivationPath: fixtureData.TESTRPC_BASE_DERIVATION_PATH,
});
});
describe('direct method calls', () => {
it('returns default number of accounts', async () => {
const accounts = await ledgerSubprovider.getAccountsAsync();
expect(accounts[0]).to.not.be.an('undefined');
expect(accounts.length).to.be.equal(10);
});
it('returns the expected accounts from a ledger set up with the test mnemonic', async () => {
const accounts = await ledgerSubprovider.getAccountsAsync();
expect(accounts[0]).to.be.equal(fixtureData.TEST_RPC_ACCOUNT_0);
expect(accounts[1]).to.be.equal(fixtureData.TEST_RPC_ACCOUNT_1);
});
it('returns requested number of accounts', async () => {
const numberOfAccounts = 20;
const accounts = await ledgerSubprovider.getAccountsAsync(numberOfAccounts);
expect(accounts[0]).to.not.be.an('undefined');
expect(accounts.length).to.be.equal(numberOfAccounts);
});
it('signs a personal message', async () => {
const data = ethUtils.bufferToHex(ethUtils.toBuffer(fixtureData.PERSONAL_MESSAGE_STRING));
const ecSignatureHex = await ledgerSubprovider.signPersonalMessageAsync(
data,
fixtureData.TEST_RPC_ACCOUNT_0,
);
expect(ecSignatureHex).to.be.equal(fixtureData.PERSONAL_MESSAGE_SIGNED_RESULT);
});
it('signs a personal message with second address', async () => {
const data = ethUtils.bufferToHex(ethUtils.toBuffer(fixtureData.PERSONAL_MESSAGE_STRING));
const ecSignatureHex = await ledgerSubprovider.signPersonalMessageAsync(
data,
fixtureData.TEST_RPC_ACCOUNT_1,
);
expect(ecSignatureHex).to.be.equal(fixtureData.PERSONAL_MESSAGE_ACCOUNT_1_SIGNED_RESULT);
});
it('signs a transaction', async () => {
const txHex = await ledgerSubprovider.signTransactionAsync(fixtureData.TX_DATA);
expect(txHex).to.be.equal(fixtureData.TX_DATA_SIGNED_RESULT);
});
it('signs a transaction with the second address', async () => {
const txData = { ...fixtureData.TX_DATA, from: fixtureData.TEST_RPC_ACCOUNT_1 };
const txHex = await ledgerSubprovider.signTransactionAsync(txData);
expect(txHex).to.be.equal(fixtureData.TX_DATA_ACCOUNT_1_SIGNED_RESULT);
});
});
describe('calls through a provider', () => {
let defaultProvider: Web3ProviderEngine;
let ledgerProvider: Web3ProviderEngine;
before(() => {
ledgerProvider = new Web3ProviderEngine();
ledgerProvider.addProvider(ledgerSubprovider);
const httpProvider = new RpcSubprovider({
rpcUrl: 'http://localhost:8545',
});
ledgerProvider.addProvider(httpProvider);
ledgerProvider.start();
defaultProvider = new Web3ProviderEngine();
defaultProvider.addProvider(httpProvider);
defaultProvider.start();
});
it('returns a list of accounts', (done: DoneCallback) => {
const payload = {
jsonrpc: '2.0',
method: 'eth_accounts',
params: [],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
expect(response.result.length).to.be.equal(10);
done();
});
ledgerProvider.sendAsync(payload, callback);
});
it('signs a personal message with eth_sign', (done: DoneCallback) => {
(async () => {
const messageHex = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
const accounts = await ledgerSubprovider.getAccountsAsync();
const signer = accounts[0];
const payload = {
jsonrpc: '2.0',
method: 'eth_sign',
params: [signer, messageHex],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
expect(response.result.length).to.be.equal(132);
expect(response.result.substr(0, 2)).to.be.equal('0x');
done();
});
ledgerProvider.sendAsync(payload, callback);
})().catch(done);
});
it('signs a personal message with personal_sign', (done: DoneCallback) => {
(async () => {
const messageHex = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
const accounts = await ledgerSubprovider.getAccountsAsync();
const signer = accounts[0];
const payload = {
jsonrpc: '2.0',
method: 'personal_sign',
params: [messageHex, signer],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
expect(response.result.length).to.be.equal(132);
expect(response.result.substr(0, 2)).to.be.equal('0x');
done();
});
ledgerProvider.sendAsync(payload, callback);
})().catch(done);
});
it('signs a transaction', (done: DoneCallback) => {
const payload = {
jsonrpc: '2.0',
method: 'eth_signTransaction',
params: [fixtureData.TX_DATA],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
expect(response.result.raw).to.be.equal(fixtureData.TX_DATA_SIGNED_RESULT);
done();
});
ledgerProvider.sendAsync(payload, callback);
});
it('signs and sends a transaction', (done: DoneCallback) => {
(async () => {
const accounts = await ledgerSubprovider.getAccountsAsync();
// Give first account on Ledger sufficient ETH to complete tx send
let tx = {
to: accounts[0],
from: fixtureData.TEST_RPC_ACCOUNT_0,
value: '0x8ac7230489e80000', // 10 ETH
};
let payload = {
jsonrpc: '2.0',
method: 'eth_sendTransaction',
params: [tx],
id: 1,
};
await promisify(defaultProvider.sendAsync, defaultProvider)(payload);
// Send transaction from Ledger
tx = {
to: '0xafa3f8684e54059998bc3a7b0d2b0da075154d66',
from: accounts[0],
value: '0xde0b6b3a7640000',
};
payload = {
jsonrpc: '2.0',
method: 'eth_sendTransaction',
params: [tx],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
const result = response.result;
expect(result.length).to.be.equal(66);
expect(result.substr(0, 2)).to.be.equal('0x');
done();
});
ledgerProvider.sendAsync(payload, callback);
})().catch(done);
});
});
});
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