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author | Leonid Logvinov <logvinov.leon@gmail.com> | 2019-01-09 19:02:25 +0800 |
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committer | Leonid Logvinov <logvinov.leon@gmail.com> | 2019-01-09 19:02:25 +0800 |
commit | ea14913b412e78ff458bdfba47182f7363e776e5 (patch) | |
tree | 3ee220bfbbd9923b5e1adc36ee51f9b5d39ad640 /packages/order-watcher/test/order_watcher_web_socket_server_test.ts | |
parent | 5868c91cfb54cfa9177572b201d88d1168bf5b06 (diff) | |
parent | 5dd55491b86bf8577405e37d0f2d668aa1273b10 (diff) | |
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Merge development
Diffstat (limited to 'packages/order-watcher/test/order_watcher_web_socket_server_test.ts')
-rw-r--r-- | packages/order-watcher/test/order_watcher_web_socket_server_test.ts | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/packages/order-watcher/test/order_watcher_web_socket_server_test.ts b/packages/order-watcher/test/order_watcher_web_socket_server_test.ts new file mode 100644 index 000000000..36135f65c --- /dev/null +++ b/packages/order-watcher/test/order_watcher_web_socket_server_test.ts @@ -0,0 +1,312 @@ +import { ContractAddresses } from '@0x/contract-addresses'; +import { ContractWrappers } from '@0x/contract-wrappers'; +import { tokenUtils } from '@0x/contract-wrappers/lib/test/utils/token_utils'; +import { BlockchainLifecycle } from '@0x/dev-utils'; +import { FillScenarios } from '@0x/fill-scenarios'; +import { assetDataUtils, orderHashUtils } from '@0x/order-utils'; +import { ExchangeContractErrs, OrderStateInvalid, SignedOrder } from '@0x/types'; +import { BigNumber, logUtils } from '@0x/utils'; +import { Web3Wrapper } from '@0x/web3-wrapper'; +import * as chai from 'chai'; +import 'mocha'; +import * as WebSocket from 'websocket'; + +import { OrderWatcherWebSocketServer } from '../src/order_watcher/order_watcher_web_socket_server'; +import { AddOrderRequest, OrderWatcherMethod, RemoveOrderRequest } from '../src/types'; + +import { chaiSetup } from './utils/chai_setup'; +import { constants } from './utils/constants'; +import { migrateOnceAsync } from './utils/migrate'; +import { provider, web3Wrapper } from './utils/web3_wrapper'; + +chaiSetup.configure(); +const expect = chai.expect; +const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper); + +interface WsMessage { + data: string; +} + +describe('OrderWatcherWebSocketServer', async () => { + let contractWrappers: ContractWrappers; + let wsServer: OrderWatcherWebSocketServer; + let wsClient: WebSocket.w3cwebsocket; + let wsClientTwo: WebSocket.w3cwebsocket; + let fillScenarios: FillScenarios; + let userAddresses: string[]; + let makerAssetData: string; + let takerAssetData: string; + let makerTokenAddress: string; + let takerTokenAddress: string; + let makerAddress: string; + let takerAddress: string; + let zrxTokenAddress: string; + let signedOrder: SignedOrder; + let orderHash: string; + let addOrderPayload: AddOrderRequest; + let removeOrderPayload: RemoveOrderRequest; + let networkId: number; + let contractAddresses: ContractAddresses; + const decimals = constants.ZRX_DECIMALS; + const fillableAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(5), decimals); + + before(async () => { + // Set up constants + contractAddresses = await migrateOnceAsync(); + await blockchainLifecycle.startAsync(); + networkId = constants.TESTRPC_NETWORK_ID; + const config = { + networkId, + contractAddresses, + }; + contractWrappers = new ContractWrappers(provider, config); + userAddresses = await web3Wrapper.getAvailableAddressesAsync(); + zrxTokenAddress = contractAddresses.zrxToken; + [makerAddress, takerAddress] = userAddresses; + [makerTokenAddress, takerTokenAddress] = tokenUtils.getDummyERC20TokenAddresses(); + [makerAssetData, takerAssetData] = [ + assetDataUtils.encodeERC20AssetData(makerTokenAddress), + assetDataUtils.encodeERC20AssetData(takerTokenAddress), + ]; + fillScenarios = new FillScenarios( + provider, + userAddresses, + zrxTokenAddress, + contractAddresses.exchange, + contractAddresses.erc20Proxy, + contractAddresses.erc721Proxy, + ); + signedOrder = await fillScenarios.createFillableSignedOrderAsync( + makerAssetData, + takerAssetData, + makerAddress, + takerAddress, + fillableAmount, + ); + orderHash = orderHashUtils.getOrderHashHex(signedOrder); + addOrderPayload = { + id: 1, + jsonrpc: '2.0', + method: OrderWatcherMethod.AddOrder, + params: { signedOrder }, + }; + removeOrderPayload = { + id: 1, + jsonrpc: '2.0', + method: OrderWatcherMethod.RemoveOrder, + params: { orderHash }, + }; + }); + after(async () => { + await blockchainLifecycle.revertAsync(); + }); + beforeEach(async () => { + // Prepare OrderWatcher WebSocket server + const orderWatcherConfig = { + isVerbose: true, + }; + wsServer = new OrderWatcherWebSocketServer(provider, networkId, contractAddresses, orderWatcherConfig); + wsServer.start(); + await blockchainLifecycle.startAsync(); + wsClient = new WebSocket.w3cwebsocket('ws://127.0.0.1:8080/'); + logUtils.log(`${new Date()} [Client] Connected.`); + }); + afterEach(async () => { + wsClient.close(); + await blockchainLifecycle.revertAsync(); + wsServer.stop(); + logUtils.log(`${new Date()} [Client] Closed.`); + }); + + it('responds to getStats requests correctly', (done: any) => { + const payload = { + id: 1, + jsonrpc: '2.0', + method: 'GET_STATS', + }; + wsClient.onopen = () => wsClient.send(JSON.stringify(payload)); + wsClient.onmessage = (msg: any) => { + const responseData = JSON.parse(msg.data); + expect(responseData.id).to.be.eq(1); + expect(responseData.jsonrpc).to.be.eq('2.0'); + expect(responseData.method).to.be.eq('GET_STATS'); + expect(responseData.result.orderCount).to.be.eq(0); + done(); + }; + }); + + it('throws an error when an invalid method is attempted', async () => { + const invalidMethodPayload = { + id: 1, + jsonrpc: '2.0', + method: 'BAD_METHOD', + }; + wsClient.onopen = () => wsClient.send(JSON.stringify(invalidMethodPayload)); + const errorMsg = await onMessageAsync(wsClient, null); + const errorData = JSON.parse(errorMsg.data); + // tslint:disable-next-line:no-unused-expression + expect(errorData.id).to.be.null; + // tslint:disable-next-line:no-unused-expression + expect(errorData.method).to.be.null; + expect(errorData.jsonrpc).to.be.eq('2.0'); + expect(errorData.error).to.match(/^Error: Expected request to conform to schema/); + }); + + it('throws an error when jsonrpc field missing from request', async () => { + const noJsonRpcPayload = { + id: 1, + method: 'GET_STATS', + }; + wsClient.onopen = () => wsClient.send(JSON.stringify(noJsonRpcPayload)); + const errorMsg = await onMessageAsync(wsClient, null); + const errorData = JSON.parse(errorMsg.data); + // tslint:disable-next-line:no-unused-expression + expect(errorData.method).to.be.null; + expect(errorData.jsonrpc).to.be.eq('2.0'); + expect(errorData.error).to.match(/^Error: Expected request to conform to schema/); + }); + + it('throws an error when we try to add an order without a signedOrder', async () => { + const noSignedOrderAddOrderPayload = { + id: 1, + jsonrpc: '2.0', + method: 'ADD_ORDER', + orderHash: '0x7337e2f2a9aa2ed6afe26edc2df7ad79c3ffa9cf9b81a964f707ea63f5272355', + }; + wsClient.onopen = () => wsClient.send(JSON.stringify(noSignedOrderAddOrderPayload)); + const errorMsg = await onMessageAsync(wsClient, null); + const errorData = JSON.parse(errorMsg.data); + // tslint:disable-next-line:no-unused-expression + expect(errorData.id).to.be.null; + // tslint:disable-next-line:no-unused-expression + expect(errorData.method).to.be.null; + expect(errorData.jsonrpc).to.be.eq('2.0'); + expect(errorData.error).to.match(/^Error: Expected request to conform to schema/); + }); + + it('throws an error when we try to add a bad signedOrder', async () => { + const invalidAddOrderPayload = { + id: 1, + jsonrpc: '2.0', + method: 'ADD_ORDER', + signedOrder: { + makerAddress: '0x0', + }, + }; + wsClient.onopen = () => wsClient.send(JSON.stringify(invalidAddOrderPayload)); + const errorMsg = await onMessageAsync(wsClient, null); + const errorData = JSON.parse(errorMsg.data); + // tslint:disable-next-line:no-unused-expression + expect(errorData.id).to.be.null; + // tslint:disable-next-line:no-unused-expression + expect(errorData.method).to.be.null; + expect(errorData.error).to.match(/^Error: Expected request to conform to schema/); + }); + + it('executes addOrder and removeOrder requests correctly', async () => { + wsClient.onopen = () => wsClient.send(JSON.stringify(addOrderPayload)); + const addOrderMsg = await onMessageAsync(wsClient, OrderWatcherMethod.AddOrder); + const addOrderData = JSON.parse(addOrderMsg.data); + expect(addOrderData.method).to.be.eq('ADD_ORDER'); + expect((wsServer as any)._orderWatcher._orderByOrderHash).to.deep.include({ + [orderHash]: signedOrder, + }); + + const clientOnMessagePromise = onMessageAsync(wsClient, OrderWatcherMethod.RemoveOrder); + wsClient.send(JSON.stringify(removeOrderPayload)); + const removeOrderMsg = await clientOnMessagePromise; + const removeOrderData = JSON.parse(removeOrderMsg.data); + expect(removeOrderData.method).to.be.eq('REMOVE_ORDER'); + expect((wsServer as any)._orderWatcher._orderByOrderHash).to.not.deep.include({ + [orderHash]: signedOrder, + }); + }); + + it('broadcasts orderStateInvalid message when makerAddress allowance set to 0 for watched order', async () => { + // Add the regular order + wsClient.onopen = () => wsClient.send(JSON.stringify(addOrderPayload)); + + // We register the onMessage callback before calling `setProxyAllowanceAsync` which we + // expect will cause a message to be emitted. We do now "await" here, since we want to + // check for messages _after_ calling `setProxyAllowanceAsync` + const clientOnMessagePromise = onMessageAsync(wsClient, OrderWatcherMethod.Update); + + // Set the allowance to 0 + await contractWrappers.erc20Token.setProxyAllowanceAsync(makerTokenAddress, makerAddress, new BigNumber(0)); + + // We now await the `onMessage` promise to check for the message + const orderWatcherUpdateMsg = await clientOnMessagePromise; + const orderWatcherUpdateData = JSON.parse(orderWatcherUpdateMsg.data); + expect(orderWatcherUpdateData.method).to.be.eq('UPDATE'); + const invalidOrderState = orderWatcherUpdateData.result as OrderStateInvalid; + expect(invalidOrderState.isValid).to.be.false(); + expect(invalidOrderState.orderHash).to.be.eq(orderHash); + expect(invalidOrderState.error).to.be.eq(ExchangeContractErrs.InsufficientMakerAllowance); + }); + + it('broadcasts to multiple clients when an order backing ZRX allowance changes', async () => { + // Prepare order + const makerFee = Web3Wrapper.toBaseUnitAmount(new BigNumber(2), decimals); + const takerFee = Web3Wrapper.toBaseUnitAmount(new BigNumber(0), decimals); + const nonZeroMakerFeeSignedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync( + makerAssetData, + takerAssetData, + makerFee, + takerFee, + makerAddress, + takerAddress, + fillableAmount, + takerAddress, + ); + const nonZeroMakerFeeOrderPayload = { + id: 1, + jsonrpc: '2.0', + method: 'ADD_ORDER', + params: { + signedOrder: nonZeroMakerFeeSignedOrder, + }, + }; + + // Set up a second client and have it add the order + wsClientTwo = new WebSocket.w3cwebsocket('ws://127.0.0.1:8080/'); + logUtils.log(`${new Date()} [Client] Connected.`); + wsClientTwo.onopen = () => wsClientTwo.send(JSON.stringify(nonZeroMakerFeeOrderPayload)); + + // Setup the onMessage callbacks, but don't await them yet + const clientOneOnMessagePromise = onMessageAsync(wsClient, OrderWatcherMethod.Update); + const clientTwoOnMessagePromise = onMessageAsync(wsClientTwo, OrderWatcherMethod.Update); + + // Change the allowance + await contractWrappers.erc20Token.setProxyAllowanceAsync(zrxTokenAddress, makerAddress, new BigNumber(0)); + + // Check that both clients receive the emitted event by awaiting the onMessageAsync promises + let updateMsg = await clientOneOnMessagePromise; + let updateData = JSON.parse(updateMsg.data); + let orderState = updateData.result as OrderStateInvalid; + expect(orderState.isValid).to.be.false(); + expect(orderState.error).to.be.eq('INSUFFICIENT_MAKER_FEE_ALLOWANCE'); + + updateMsg = await clientTwoOnMessagePromise; + updateData = JSON.parse(updateMsg.data); + orderState = updateData.result as OrderStateInvalid; + expect(orderState.isValid).to.be.false(); + expect(orderState.error).to.be.eq('INSUFFICIENT_MAKER_FEE_ALLOWANCE'); + + wsClientTwo.close(); + logUtils.log(`${new Date()} [Client] Closed.`); + }); +}); + +// HACK: createFillableSignedOrderAsync is Promise-based, which forces us +// to use Promises instead of the done() callbacks for tests. +// onmessage callback must thus be wrapped as a Promise. +async function onMessageAsync(client: WebSocket.w3cwebsocket, method: string | null): Promise<WsMessage> { + return new Promise<WsMessage>(resolve => { + client.onmessage = (msg: WsMessage) => { + const data = JSON.parse(msg.data); + if (data.method === method) { + resolve(msg); + } + }; + }); +} |