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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 {
ECSignature,
LedgerSubprovider,
} from '../../src';
import {
DoneCallback,
ECSignatureString,
LedgerCommunicationClient,
LedgerGetAddressResult,
LedgerSubproviderErrors,
} from '../../src/types';
import {chaiSetup} from '../chai_setup';
import {reportCallbackErrors} from '../utils/report_callback_errors';
chaiSetup.configure();
const expect = chai.expect;
const FAKE_ADDRESS = '0x9901c66f2d4b95f7074b553da78084d708beca70';
describe('LedgerSubprovider', () => {
const networkId: number = 42;
let ledgerSubprovider: LedgerSubprovider;
before(async () => {
const ledgerEthereumClientFactoryAsync = async () => {
// tslint:disable:no-object-literal-type-assertion
const ledgerEthClient = {
getAddress_async: async () => {
return {
address: FAKE_ADDRESS,
};
},
signPersonalMessage_async: async () => {
const ecSignature = {
v: 28,
r: 'a6cc284bff14b42bdf5e9286730c152be91719d478605ec46b3bebcd0ae49148',
s: '0652a1a7b742ceb0213d1e744316e285f41f878d8af0b8e632cbca4c279132d0',
};
return ecSignature;
},
signTransaction_async: async (derivationPath: string, txHex: string) => {
const ecSignature = {
v: '77',
r: '88a95ef1378487bc82be558e82c8478baf840c545d5b887536bb1da63673a98b',
s: '019f4a4b9a107d1e6752bf7f701e275f28c13791d6e76af895b07373462cefaa',
};
return ecSignature;
},
comm: {
close_async: _.noop,
} as LedgerCommunicationClient,
};
// tslint:enable:no-object-literal-type-assertion
return ledgerEthClient;
};
ledgerSubprovider = new LedgerSubprovider({
networkId,
ledgerEthereumClientFactoryAsync,
});
});
describe('direct method calls', () => {
describe('success cases', () => {
it('returns a list of accounts', async () => {
const accounts = await ledgerSubprovider.getAccountsAsync();
expect(accounts[0]).to.be.equal(FAKE_ADDRESS);
expect(accounts.length).to.be.equal(10);
});
it('signs a personal message', async () => {
const data = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
const ecSignatureHex = await ledgerSubprovider.signPersonalMessageAsync(data);
// tslint:disable-next-line:max-line-length
expect(ecSignatureHex).to.be.equal('0xa6cc284bff14b42bdf5e9286730c152be91719d478605ec46b3bebcd0ae491480652a1a7b742ceb0213d1e744316e285f41f878d8af0b8e632cbca4c279132d001');
});
});
describe('failure cases', () => {
it('cannot open multiple simultaneous connections to the Ledger device', async () => {
const data = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
return expect(Promise.all([
ledgerSubprovider.getAccountsAsync(),
ledgerSubprovider.signPersonalMessageAsync(data),
])).to.be.rejectedWith(LedgerSubproviderErrors.MultipleOpenConnectionsDisallowed);
});
});
});
describe('calls through a provider', () => {
let provider: Web3ProviderEngine;
before(() => {
provider = new Web3ProviderEngine();
provider.addProvider(ledgerSubprovider);
const httpProvider = new RpcSubprovider({
rpcUrl: 'http://localhost:8545',
});
provider.addProvider(httpProvider);
provider.start();
});
describe('success cases', () => {
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: Web3.JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
expect(response.result.length).to.be.equal(10);
expect(response.result[0]).to.be.equal(FAKE_ADDRESS);
done();
});
provider.sendAsync(payload, callback);
});
it('signs a personal message', (done: DoneCallback) => {
const messageHex = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
const payload = {
jsonrpc: '2.0',
method: 'personal_sign',
params: [messageHex, '0x0000000000000000000000000000000000000000'],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
// tslint:disable-next-line:max-line-length
expect(response.result).to.be.equal('0xa6cc284bff14b42bdf5e9286730c152be91719d478605ec46b3bebcd0ae491480652a1a7b742ceb0213d1e744316e285f41f878d8af0b8e632cbca4c279132d001');
done();
});
provider.sendAsync(payload, callback);
});
it('signs a transaction', (done: DoneCallback) => {
const tx = {
to: '0xafa3f8684e54059998bc3a7b0d2b0da075154d66',
value: '0x00',
};
const payload = {
jsonrpc: '2.0',
method: 'eth_signTransaction',
params: [tx],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
expect(err).to.be.a('null');
expect(response.result.raw.length).to.be.equal(206);
expect(response.result.raw.substr(0, 2)).to.be.equal('0x');
done();
});
provider.sendAsync(payload, callback);
});
});
describe('failure cases', () => {
it('should throw if `data` param not hex when calling personal_sign', (done: DoneCallback) => {
const nonHexMessage = 'hello world';
const payload = {
jsonrpc: '2.0',
method: 'personal_sign',
params: [nonHexMessage, '0x0000000000000000000000000000000000000000'],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
expect(err).to.not.be.a('null');
expect(err.message).to.be.equal('Expected data to be of type HexString, encountered: hello world');
done();
});
provider.sendAsync(payload, callback);
});
it('should throw if `from` param missing when calling eth_sendTransaction', (done: DoneCallback) => {
const tx = {
to: '0xafa3f8684e54059998bc3a7b0d2b0da075154d66',
value: '0xde0b6b3a7640000',
};
const payload = {
jsonrpc: '2.0',
method: 'eth_sendTransaction',
params: [tx],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
expect(err).to.not.be.a('null');
expect(err.message).to.be.equal(LedgerSubproviderErrors.SenderInvalidOrNotSupplied);
done();
});
provider.sendAsync(payload, callback);
});
it('should throw if `from` param invalid address when calling eth_sendTransaction',
(done: DoneCallback) => {
const tx = {
to: '0xafa3f8684e54059998bc3a7b0d2b0da075154d66',
from: '0xIncorrectEthereumAddress',
value: '0xde0b6b3a7640000',
};
const payload = {
jsonrpc: '2.0',
method: 'eth_sendTransaction',
params: [tx],
id: 1,
};
const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
expect(err).to.not.be.a('null');
expect(err.message).to.be.equal(LedgerSubproviderErrors.SenderInvalidOrNotSupplied);
done();
});
provider.sendAsync(payload, callback);
});
});
});
});
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