Progress on dutch auction wrapper. Need to add auction data decoding to it.
This commit is contained in:
Greg Hysen
parent
09afee55ed
commit
5da748a062
@ -149,7 +149,7 @@ export class ContractWrappers {
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this.dutchAuction = new DutchAuctionWrapper(
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this._web3Wrapper,
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config.networkId,
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contractAddresses.orderValidator,
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contractAddresses.dutchAuction,
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);
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}
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/**
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@ -21,9 +21,13 @@ import { OrderTransactionOpts } from '../types';
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import { ContractWrapper } from './contract_wrapper';
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import { ExchangeWrapperError } from '../types';
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import { orderFactory } from '@0x/order-utils/lib/src/order_factory';
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import { constants } from 'zlib';
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export class DutchAuctionWrapper extends ContractWrapper {
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public abi: ContractAbi = DutchAuction.compilerOutput.abi;
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public address: string;
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private _exchangeAddress: string;
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private _dutchAuctionContractIfExists?: DutchAuctionContract;
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/**
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* Instantiate DutchAuctionWrapper
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@ -35,10 +39,12 @@ export class DutchAuctionWrapper extends ContractWrapper {
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constructor(
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web3Wrapper: Web3Wrapper,
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networkId: number,
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address: string,
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address?: string,
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exchangeAddress?: string,
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) {
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super(web3Wrapper, networkId);
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this.address = address;
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this.address = this.address = _.isUndefined(address) ? _getDefaultContractAddresses(networkId).dutchAuction : address;
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this._exchangeAddress = _.isUndefined(exchangeAddress) ? _getDefaultContractAddresses(networkId).exchange : exchangeAddress;
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}
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/**
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* Matches the buy and sell orders at an amount given the following: the current block time, the auction
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@ -110,6 +116,8 @@ export class DutchAuctionWrapper extends ContractWrapper {
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// type assertions
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assert.doesConformToSchema('sellOrder', sellOrder, schemas.signedOrderSchema);
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// get contract
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console.log(sellOrder);
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console.log(await this._getDutchAuctionContractAsync());
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const dutchAuctionInstance = await this._getDutchAuctionContractAsync();
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// call contract
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const afterAuctionDetails = await dutchAuctionInstance.getAuctionDetails.callAsync(sellOrder);
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@ -128,6 +136,66 @@ export class DutchAuctionWrapper extends ContractWrapper {
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this._dutchAuctionContractIfExists = contractInstance;
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return this._dutchAuctionContractIfExists;
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}
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public async createSignedSellOrderAsync(
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auctionBeginTimeSections: BigNumber,
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auctionBeginAmount: BigNumber,
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auctionEndAmount: BigNumber,
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acutionEndTime: BigNumber,
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makerAssetData: string,
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takerAssetData: string,
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makerAddress: string,
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takerAddress: string,
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takerFillableAmount: BigNumber,
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senderAddress?: string,
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makerFee?: BigNumber,
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takerFee?: BigNumber,
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feeRecipientAddress?: string,
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): Promise<SignedOrder> {
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console.log(`asdasd`);
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const makerAssetAmount = auctionEndAmount;
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const makerAssetDataWithAuctionDetails = DutchAuctionWrapper.encodeDutchAuctionAssetData(makerAssetData, auctionBeginTimeSections, auctionBeginAmount);
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const signedOrder = await orderFactory.createSignedOrderAsync(
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this._web3Wrapper.getProvider(),
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makerAddress,
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makerAssetAmount,
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makerAssetDataWithAuctionDetails,
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takerFillableAmount,
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takerAssetData,
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this._exchangeAddress,
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{
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takerAddress,
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senderAddress,
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makerFee,
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takerFee,
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feeRecipientAddress,
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expirationTimeSeconds: acutionEndTime,
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},
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);
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//console.log(signedOrder);
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return signedOrder;
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}
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public async createSignedBuyOrderAsync(sellOrder: SignedOrder, buyerAddress: string, senderAddress?: string, makerFee?: BigNumber, takerFee?: BigNumber, feeRecipientAddress?: string): Promise<SignedOrder> {
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const signedOrder = await orderFactory.createSignedOrderAsync(
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this._web3Wrapper.getProvider(),
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buyerAddress,
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sellOrder.takerAssetAmount.times(2), // change this to decode value from auction @TODO -- add decode above for this.
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sellOrder.takerAssetData,
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sellOrder.makerAssetAmount,
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sellOrder.makerAssetData,
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sellOrder.exchangeAddress,
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{
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senderAddress,
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makerFee,
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takerFee,
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feeRecipientAddress,
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expirationTimeSeconds: sellOrder.expirationTimeSeconds,
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},
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);
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// console.log(signedOrder);
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return signedOrder;
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}
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/**
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* Dutch auction details are encoded with the asset data for a 0x order. This function produces a hex
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* encoded assetData string, containing information both about the asset being traded and the
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@ -138,6 +206,7 @@ export class DutchAuctionWrapper extends ContractWrapper {
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* @return The hex encoded assetData string.
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*/
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public static encodeDutchAuctionAssetData(assetData: string, beginTimeSeconds: BigNumber, beginAmount: BigNumber): string {
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// console.log(`yoooo`, assetData);
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const assetDataBuffer = ethUtil.toBuffer(assetData);
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const abiEncodedAuctionData = (ethAbi as any).rawEncode(
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['uint256', 'uint256'],
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@ -145,6 +214,7 @@ export class DutchAuctionWrapper extends ContractWrapper {
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);
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const abiEncodedAuctionDataBuffer = ethUtil.toBuffer(abiEncodedAuctionData);
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const dutchAuctionDataBuffer = Buffer.concat([assetDataBuffer, abiEncodedAuctionDataBuffer]);
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// console.log(`GREFG --- `, abiEncodedAuctionData);
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const dutchAuctionData = ethUtil.bufferToHex(dutchAuctionDataBuffer);
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return dutchAuctionData;
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};
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@ -16,6 +16,7 @@ import { provider, web3Wrapper } from './utils/web3_wrapper';
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import { getLatestBlockTimestampAsync } from '@0x/contracts-test-utils';
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import { DutchAuction } from '@0x/contract-artifacts';
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import { DutchAuctionWrapper } from '../src/contract_wrappers/dutch_auction_wrapper';
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import { Web3Wrapper } from '@0x/web3-wrapper';
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chaiSetup.configure();
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const expect = chai.expect;
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@ -23,7 +24,7 @@ const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
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// tslint:disable:custom-no-magic-numbers
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describe.only('DutchAuctionWrapper', () => {
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const fillableAmount = new BigNumber(5);
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const fillableAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(50), 18);
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const tenMinutesInSeconds = 10 * 60;
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let contractWrappers: ContractWrappers;
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let fillScenarios: FillScenarios;
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@ -32,10 +33,9 @@ describe.only('DutchAuctionWrapper', () => {
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let userAddresses: string[];
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let makerAddress: string;
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let takerAddress: string;
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let buyerAddress: string;
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let makerTokenAddress: string;
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let takerTokenAddress: string;
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let makerAssetData: string;
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let takerAssetData: string;
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let buyOrder: SignedOrder;
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let sellOrder: SignedOrder;
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let makerTokenAssetData: string;
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@ -63,40 +63,44 @@ describe.only('DutchAuctionWrapper', () => {
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contractWrappers.erc20Proxy.address,
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contractWrappers.erc721Proxy.address,
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);
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[, makerAddress, takerAddress] = userAddresses;
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[, makerAddress, takerAddress, buyerAddress] = userAddresses;
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[makerTokenAddress] = tokenUtils.getDummyERC20TokenAddresses();
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takerTokenAddress = contractWrappers.forwarder.etherTokenAddress;
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console.log(`B`);
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// construct asset data for tokens being swapped
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[makerTokenAssetData, takerTokenAssetData] = [
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assetDataUtils.encodeERC20AssetData(makerTokenAddress),
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assetDataUtils.encodeERC20AssetData(takerTokenAddress),
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];
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console.log(`C`);
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// encode auction details in maker asset data
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const auctionBeginAmount = fillableAmount;
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const currentBlockTimestamp = await getLatestBlockTimestampAsync();
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const auctionBeginTimeSeconds = new BigNumber(currentBlockTimestamp - tenMinutesInSeconds);
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makerAssetData = DutchAuctionWrapper.encodeDutchAuctionAssetData(
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/* makerAssetData = DutchAuctionWrapper.encodeDutchAuctionAssetData(
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makerTokenAssetData,
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auctionBeginTimeSeconds,
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auctionBeginAmount
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);
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takerAssetData = takerTokenAssetData;
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);*/
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console.log(`C2`);
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// create sell / buy orders for auction
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// note that the maker/taker asset datas are swapped in the `buyOrder`
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sellOrder = await fillScenarios.createFillableSignedOrderAsync(
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makerAssetData,
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takerAssetData,
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sellOrder = await contractWrappers.dutchAuction.createSignedSellOrderAsync(
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auctionBeginTimeSeconds,
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fillableAmount.times(2),
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fillableAmount,
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new BigNumber(currentBlockTimestamp + tenMinutesInSeconds),
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makerTokenAssetData,
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takerTokenAssetData,
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makerAddress,
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constants.NULL_ADDRESS,
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fillableAmount,
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);
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buyOrder = await fillScenarios.createFillableSignedOrderAsync(
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takerAssetData,
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makerAssetData,
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makerAddress,
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constants.NULL_ADDRESS,
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fillableAmount,
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buyOrder = await contractWrappers.dutchAuction.createSignedBuyOrderAsync(
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sellOrder,
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buyerAddress,
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);
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console.log(`CD`);
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});
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after(async () => {
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await blockchainLifecycle.revertAsync();
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@ -109,8 +113,10 @@ describe.only('DutchAuctionWrapper', () => {
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});
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describe('#matchOrdersAsync', () => {
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it('should match two orders', async () => {
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const txHash = await contractWrappers.dutchAuction.matchOrdersAsync(buyOrder, sellOrder, takerAddress);
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await web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
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console.log(await contractWrappers.dutchAuction.getAuctionDetailsAsync(sellOrder));
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// const txHash = await contractWrappers.dutchAuction.matchOrdersAsync(buyOrder, sellOrder, takerAddress, {gasLimit: 1000000});
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//await web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
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});
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it('should throw when invalid transaction and shouldValidate is true', async () => {
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// request match with bad buy/sell orders
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@ -130,7 +136,7 @@ describe.only('DutchAuctionWrapper', () => {
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});
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describe('#getAuctionDetailsAsync', () => {
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it('should be worth the begin price at the begining of the auction', async () => {
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/*it('should be worth the begin price at the begining of the auction', async () => {
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// setup auction details
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const auctionBeginAmount = fillableAmount;
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const currentBlockTimestamp = await getLatestBlockTimestampAsync();
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@ -151,6 +157,6 @@ describe.only('DutchAuctionWrapper', () => {
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expect(auctionDetails.currentTimeSeconds).to.be.bignumber.lte(auctionBeginTimeSeconds);
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expect(auctionDetails.currentAmount).to.be.bignumber.equal(auctionBeginAmount);
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expect(auctionDetails.beginAmount).to.be.bignumber.equal(auctionBeginAmount);
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});
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});*/
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});
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});
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