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-rw-r--r--packages/contract-wrappers/src/contract_wrappers/dutch_auction_wrapper.ts94
-rw-r--r--packages/contract-wrappers/test/dutch_auction_wrapper_test.ts90
2 files changed, 76 insertions, 108 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/dutch_auction_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/dutch_auction_wrapper.ts
index fee543c3b..5896617fc 100644
--- a/packages/contract-wrappers/src/contract_wrappers/dutch_auction_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/dutch_auction_wrapper.ts
@@ -7,7 +7,7 @@ import { _getDefaultContractAddresses } from '../utils/contract_addresses';
import { DutchAuctionDetails, SignedOrder } from '@0x/types';
import { ContractAbi } from 'ethereum-types';
import { Web3Wrapper } from '@0x/web3-wrapper';
-import { BigNumber } from '@0x/utils';
+import { BigNumber, abiUtils } from '@0x/utils';
import { Provider, TransactionReceiptWithDecodedLogs } from 'ethereum-types';
import * as _ from 'lodash';
import ethAbi = require('ethereumjs-abi');
@@ -21,8 +21,7 @@ import { OrderTransactionOpts } from '../types';
import { ContractWrapper } from './contract_wrapper';
import { ExchangeWrapperError } from '../types';
-import { orderFactory } from '@0x/order-utils/lib/src/order_factory';
-import { constants } from 'zlib';
+import { assetDataUtils, AssetData } from '@0x/order-utils';
export class DutchAuctionWrapper extends ContractWrapper {
public abi: ContractAbi = DutchAuction.compilerOutput.abi;
@@ -74,6 +73,10 @@ export class DutchAuctionWrapper extends ContractWrapper {
sellOrder.takerAssetData !== buyOrder.makerAssetData
) {
throw new Error(ExchangeWrapperError.AssetDataMismatch);
+ } else {
+ // Smart contracts assigns the asset data from the left order to the right one so we can save gas on reducing the size of call data
+ //rightSignedOrder.makerAssetData = '0x';
+ // rightSignedOrder.takerAssetData = '0x';
}
// get contract
const dutchAuctionInstance = await this._getDutchAuctionContractAsync();
@@ -136,66 +139,6 @@ export class DutchAuctionWrapper extends ContractWrapper {
this._dutchAuctionContractIfExists = contractInstance;
return this._dutchAuctionContractIfExists;
}
-
- public async createSignedSellOrderAsync(
- auctionBeginTimeSections: BigNumber,
- auctionBeginAmount: BigNumber,
- auctionEndAmount: BigNumber,
- acutionEndTime: BigNumber,
- makerAssetData: string,
- takerAssetData: string,
- makerAddress: string,
- takerAddress: string,
- takerFillableAmount: BigNumber,
- senderAddress?: string,
- makerFee?: BigNumber,
- takerFee?: BigNumber,
- feeRecipientAddress?: string,
- ): Promise<SignedOrder> {
- console.log(`asdasd`);
- const makerAssetAmount = auctionEndAmount;
- const makerAssetDataWithAuctionDetails = DutchAuctionWrapper.encodeDutchAuctionAssetData(makerAssetData, auctionBeginTimeSections, auctionBeginAmount);
- const signedOrder = await orderFactory.createSignedOrderAsync(
- this._web3Wrapper.getProvider(),
- makerAddress,
- makerAssetAmount,
- makerAssetDataWithAuctionDetails,
- takerFillableAmount,
- takerAssetData,
- this._exchangeAddress,
- {
- takerAddress,
- senderAddress,
- makerFee,
- takerFee,
- feeRecipientAddress,
- expirationTimeSeconds: acutionEndTime,
- },
- );
- //console.log(signedOrder);
- return signedOrder;
- }
-
- public async createSignedBuyOrderAsync(sellOrder: SignedOrder, buyerAddress: string, senderAddress?: string, makerFee?: BigNumber, takerFee?: BigNumber, feeRecipientAddress?: string): Promise<SignedOrder> {
- const signedOrder = await orderFactory.createSignedOrderAsync(
- this._web3Wrapper.getProvider(),
- buyerAddress,
- sellOrder.takerAssetAmount.times(2), // change this to decode value from auction @TODO -- add decode above for this.
- sellOrder.takerAssetData,
- sellOrder.makerAssetAmount,
- sellOrder.makerAssetData,
- sellOrder.exchangeAddress,
- {
- senderAddress,
- makerFee,
- takerFee,
- feeRecipientAddress,
- expirationTimeSeconds: sellOrder.expirationTimeSeconds,
- },
- );
- // console.log(signedOrder);
- return signedOrder;
- }
/**
* Dutch auction details are encoded with the asset data for a 0x order. This function produces a hex
* encoded assetData string, containing information both about the asset being traded and the
@@ -206,7 +149,6 @@ export class DutchAuctionWrapper extends ContractWrapper {
* @return The hex encoded assetData string.
*/
public static encodeDutchAuctionAssetData(assetData: string, beginTimeSeconds: BigNumber, beginAmount: BigNumber): string {
- // console.log(`yoooo`, assetData);
const assetDataBuffer = ethUtil.toBuffer(assetData);
const abiEncodedAuctionData = (ethAbi as any).rawEncode(
['uint256', 'uint256'],
@@ -218,4 +160,28 @@ export class DutchAuctionWrapper extends ContractWrapper {
const dutchAuctionData = ethUtil.bufferToHex(dutchAuctionDataBuffer);
return dutchAuctionData;
};
+ /**
+ * Dutch auction details are encoded with the asset data for a 0x order. This function produces a hex
+ * encoded assetData string, containing information both about the asset being traded and the
+ * dutch auction; which is usable in the makerAssetData or takerAssetData fields in a 0x order.
+ * @param dutchAuctionData Hex encoded assetData string for the asset being auctioned.
+ * @return
+ */
+ public static decodeDutchAuctionData(dutchAuctionData: string): [AssetData, BigNumber, BigNumber] {
+ const dutchAuctionDataBuffer = ethUtil.toBuffer(dutchAuctionData);
+ // Decode asset data
+ const assetDataBuffer = dutchAuctionDataBuffer.slice(0, dutchAuctionDataBuffer.byteLength - 64);
+ const assetDataHex = ethUtil.bufferToHex(assetDataBuffer);
+ const assetData = assetDataUtils.decodeAssetDataOrThrow(assetDataHex);
+ // Decode auction details
+ const dutchAuctionDetailsBuffer = dutchAuctionDataBuffer.slice(dutchAuctionDataBuffer.byteLength - 64);
+ const [beginTimeSecondsAsBN, beginAmountAsBN] = ethAbi.rawDecode(
+ ['uint256', 'uint256'],
+ dutchAuctionDetailsBuffer
+ );
+ const beginTimeSeconds = new BigNumber(`0x${beginTimeSecondsAsBN.toString()}`);
+ const beginAmount = new BigNumber(`0x${beginAmountAsBN.toString()}`);
+ console.log(beginAmount);
+ return [assetData, beginTimeSeconds, beginAmount];
+ };
}
diff --git a/packages/contract-wrappers/test/dutch_auction_wrapper_test.ts b/packages/contract-wrappers/test/dutch_auction_wrapper_test.ts
index bfc4e0a58..f548e3ff8 100644
--- a/packages/contract-wrappers/test/dutch_auction_wrapper_test.ts
+++ b/packages/contract-wrappers/test/dutch_auction_wrapper_test.ts
@@ -1,7 +1,7 @@
import { BlockchainLifecycle } from '@0x/dev-utils';
import { FillScenarios } from '@0x/fill-scenarios';
import { assetDataUtils } from '@0x/order-utils';
-import { SignedOrder } from '@0x/types';
+import { RevertReason, SignedOrder } from '@0x/types';
import { BigNumber } from '@0x/utils';
import * as chai from 'chai';
import 'mocha';
@@ -18,13 +18,19 @@ import { DutchAuction } from '@0x/contract-artifacts';
import { DutchAuctionWrapper } from '../src/contract_wrappers/dutch_auction_wrapper';
import { Web3Wrapper } from '@0x/web3-wrapper';
+import { DutchAuctionUtils } from './utils/dutch_auction_utils';
+
+import {
+ expectTransactionFailedAsync,
+} from '@0x/contracts-test-utils';
+
chaiSetup.configure();
const expect = chai.expect;
const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
// tslint:disable:custom-no-magic-numbers
describe.only('DutchAuctionWrapper', () => {
- const fillableAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(50), 18);
+ const fillableAmount = new BigNumber(2);//Web3Wrapper.toBaseUnitAmount(new BigNumber(50), 18);
const tenMinutesInSeconds = 10 * 60;
let contractWrappers: ContractWrappers;
let fillScenarios: FillScenarios;
@@ -33,13 +39,16 @@ describe.only('DutchAuctionWrapper', () => {
let userAddresses: string[];
let makerAddress: string;
let takerAddress: string;
- let buyerAddress: string;
let makerTokenAddress: string;
let takerTokenAddress: string;
let buyOrder: SignedOrder;
let sellOrder: SignedOrder;
let makerTokenAssetData: string;
let takerTokenAssetData: string;
+ let auctionBeginTimeSeconds: BigNumber;
+ let auctionBeginAmount: BigNumber;
+ let auctionEndTimeSeconds: BigNumber;
+ let auctionEndAmount: BigNumber;
before(async () => {
console.log(`BEOGIN DEPLOYINH`);
const contractAddresses = await migrateOnceAsync();
@@ -63,9 +72,8 @@ describe.only('DutchAuctionWrapper', () => {
contractWrappers.erc20Proxy.address,
contractWrappers.erc721Proxy.address,
);
- [, makerAddress, takerAddress, buyerAddress] = userAddresses;
- [makerTokenAddress] = tokenUtils.getDummyERC20TokenAddresses();
- takerTokenAddress = contractWrappers.forwarder.etherTokenAddress;
+ [, makerAddress, takerAddress] = userAddresses;
+ [makerTokenAddress, takerTokenAddress] = tokenUtils.getDummyERC20TokenAddresses();
console.log(`B`);
// construct asset data for tokens being swapped
[makerTokenAssetData, takerTokenAssetData] = [
@@ -74,31 +82,40 @@ describe.only('DutchAuctionWrapper', () => {
];
console.log(`C`);
// encode auction details in maker asset data
- const auctionBeginAmount = fillableAmount;
+ auctionEndAmount = fillableAmount;
+ auctionBeginAmount = auctionEndAmount.times(2);
const currentBlockTimestamp = await getLatestBlockTimestampAsync();
- const auctionBeginTimeSeconds = new BigNumber(currentBlockTimestamp - tenMinutesInSeconds);
+ auctionBeginTimeSeconds = new BigNumber(currentBlockTimestamp - tenMinutesInSeconds);
+ auctionEndTimeSeconds = new BigNumber(currentBlockTimestamp + tenMinutesInSeconds);
/* makerAssetData = DutchAuctionWrapper.encodeDutchAuctionAssetData(
makerTokenAssetData,
auctionBeginTimeSeconds,
auctionBeginAmount
);*/
console.log(`C2`);
+ // Create template orders from
+
+
// create sell / buy orders for auction
// note that the maker/taker asset datas are swapped in the `buyOrder`
- sellOrder = await contractWrappers.dutchAuction.createSignedSellOrderAsync(
+
+ const coinbase = userAddresses[0];
+ const dutchAuctionUtils = new DutchAuctionUtils(web3Wrapper, coinbase, exchangeContractAddress, contractWrappers.erc20Proxy.address);
+ sellOrder = await dutchAuctionUtils.createSignedSellOrderAsync(
auctionBeginTimeSeconds,
- fillableAmount.times(2),
- fillableAmount,
- new BigNumber(currentBlockTimestamp + tenMinutesInSeconds),
+ auctionBeginAmount,
+ auctionEndAmount,
+ auctionEndTimeSeconds,
makerTokenAssetData,
takerTokenAssetData,
makerAddress,
constants.NULL_ADDRESS,
- fillableAmount,
+ auctionEndAmount,
);
- buyOrder = await contractWrappers.dutchAuction.createSignedBuyOrderAsync(
+ console.log(`ASDS`);
+ buyOrder = await dutchAuctionUtils.createSignedBuyOrderAsync(
sellOrder,
- buyerAddress,
+ takerAddress,
);
console.log(`CD`);
});
@@ -113,17 +130,15 @@ describe.only('DutchAuctionWrapper', () => {
});
describe('#matchOrdersAsync', () => {
it('should match two orders', async () => {
- console.log(await contractWrappers.dutchAuction.getAuctionDetailsAsync(sellOrder));
-
- // const txHash = await contractWrappers.dutchAuction.matchOrdersAsync(buyOrder, sellOrder, takerAddress, {gasLimit: 1000000});
- //await web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
+ const txHash = await contractWrappers.dutchAuction.matchOrdersAsync(buyOrder, sellOrder, takerAddress);
+ await web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
});
it('should throw when invalid transaction and shouldValidate is true', async () => {
// request match with bad buy/sell orders
const badSellOrder = buyOrder;
const badBuyOrder = sellOrder;
- return expect(
- await contractWrappers.dutchAuction.matchOrdersAsync(
+ return expectTransactionFailedAsync(
+ contractWrappers.dutchAuction.matchOrdersAsync(
badBuyOrder,
badSellOrder,
takerAddress,
@@ -131,32 +146,19 @@ describe.only('DutchAuctionWrapper', () => {
shouldValidate: true,
},
),
- ).to.be.rejectedWith('COMPLETE_FILL_FAILED');
+ RevertReason.InvalidAssetData
+ );
});
});
describe('#getAuctionDetailsAsync', () => {
- /*it('should be worth the begin price at the begining of the auction', async () => {
- // setup auction details
- const auctionBeginAmount = fillableAmount;
- const currentBlockTimestamp = await getLatestBlockTimestampAsync();
- const auctionBeginTimeSeconds = new BigNumber(currentBlockTimestamp + tenMinutesInSeconds);
- const makerAssetData = DutchAuctionWrapper.encodeDutchAuctionAssetData(
- makerTokenAssetData,
- auctionBeginTimeSeconds,
- auctionBeginAmount
- );
- const order = await fillScenarios.createFillableSignedOrderAsync(
- makerAssetData,
- takerAssetData,
- makerAddress,
- constants.NULL_ADDRESS,
- fillableAmount,
- );
- const auctionDetails = await contractWrappers.dutchAuction.getAuctionDetailsAsync(order);
- expect(auctionDetails.currentTimeSeconds).to.be.bignumber.lte(auctionBeginTimeSeconds);
- expect(auctionDetails.currentAmount).to.be.bignumber.equal(auctionBeginAmount);
- expect(auctionDetails.beginAmount).to.be.bignumber.equal(auctionBeginAmount);
- });*/
+ it('should be worth the begin price at the begining of the auction', async () => {
+ // get auction details
+ const auctionDetails = await contractWrappers.dutchAuction.getAuctionDetailsAsync(sellOrder);
+ // run some basic sanity checks on the return value
+ expect(auctionDetails.beginTimeSeconds, 'auctionDetails.beginTimeSeconds').to.be.bignumber.equal(auctionBeginTimeSeconds);
+ expect(auctionDetails.beginAmount, 'auctionDetails.beginAmount').to.be.bignumber.equal(auctionBeginAmount);
+ expect(auctionDetails.endTimeSeconds, 'auctionDetails.endTimeSeconds').to.be.bignumber.equal(auctionEndTimeSeconds);
+ });
});
});
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 14:00:22 +0800