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Update order utils to use new order schema

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This commit is contained in:
Amir Bandeali 2019-04-05 15:04:28 -07:00
parent 2f0ee84b71
commit e30b8999d4
7 changed files with 46 additions and 29 deletions
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2
packages/order-utils/src/constants.ts
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@ -125,6 +125,8 @@ export const constants = {
{ name: 'salt', type: 'uint256' },
{ name: 'makerAssetData', type: 'bytes' },
{ name: 'takerAssetData', type: 'bytes' },
{ name: 'makerFeeAssetData', type: 'bytes' },
{ name: 'takerFeeAssetData', type: 'bytes' },
],
},
EXCHANGE_ZEROEX_TRANSACTION_SCHEMA: {

4
packages/order-utils/src/order_factory.ts
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@ -42,6 +42,8 @@ export const orderFactory = {
takerAssetAmount,
makerAssetData,
takerAssetData,
makerFeeAssetData: createOrderOpts.makerFeeAssetData || makerAssetData,
takerFeeAssetData: createOrderOpts.takerFeeAssetData || takerAssetData,
takerAddress: createOrderOpts.takerAddress || defaultCreateOrderOpts.takerAddress,
senderAddress: createOrderOpts.senderAddress || defaultCreateOrderOpts.senderAddress,
makerFee: createOrderOpts.makerFee || defaultCreateOrderOpts.makerFee,
@ -110,6 +112,8 @@ function generateEmptyOrder(chainId: number): Order {
takerAssetAmount: constants.ZERO_AMOUNT,
makerAssetData: constants.NULL_BYTES,
takerAssetData: constants.NULL_BYTES,
makerFeeAssetData: constants.NULL_BYTES,
takerFeeAssetData: constants.NULL_BYTES,
salt: generatePseudoRandomSalt(),
feeRecipientAddress: constants.NULL_ADDRESS,
expirationTimeSeconds: constants.INFINITE_TIMESTAMP_SEC,

18
packages/order-utils/src/remaining_fillable_calculator.ts
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@ -1,7 +1,7 @@
import { BigNumber } from '@0x/utils';
export class RemainingFillableCalculator {
private readonly _isTraderAssetZRX: boolean;
private readonly _isPercentageFee: boolean;
// Transferrable Amount is the minimum of Approval and Balance
private readonly _transferrableAssetAmount: BigNumber;
private readonly _transferrableFeeAmount: BigNumber;
@ -12,14 +12,14 @@ export class RemainingFillableCalculator {
constructor(
orderFee: BigNumber,
orderAssetAmount: BigNumber,
isTraderAssetZRX: boolean,
isPercentageFee: boolean,
transferrableAssetAmount: BigNumber,
transferrableFeeAmount: BigNumber,
remainingOrderAssetAmount: BigNumber,
) {
this._orderFee = orderFee;
this._orderAssetAmount = orderAssetAmount;
this._isTraderAssetZRX = isTraderAssetZRX;
this._isPercentageFee = isPercentageFee;
this._transferrableAssetAmount = transferrableAssetAmount;
this._transferrableFeeAmount = transferrableFeeAmount;
this._remainingOrderAssetAmount = remainingOrderAssetAmount;
@ -37,10 +37,10 @@ export class RemainingFillableCalculator {
return this._calculatePartiallyFillableAssetAmount();
}
private _hasSufficientFundsForFeeAndTransferAmount(): boolean {
if (this._isTraderAssetZRX) {
const totalZRXTransferAmountRequired = this._remainingOrderAssetAmount.plus(this._remainingOrderFeeAmount);
if (this._isPercentageFee) {
const totalTransferAmountRequired = this._remainingOrderAssetAmount.plus(this._remainingOrderFeeAmount);
const hasSufficientFunds = this._transferrableAssetAmount.isGreaterThanOrEqualTo(
totalZRXTransferAmountRequired,
totalTransferAmountRequired,
);
return hasSufficientFunds;
} else {
@ -64,13 +64,13 @@ export class RemainingFillableCalculator {
// The number of times the trader can fill the order, given the traders asset Balance
// Assuming a balance of 150 wei, and an orderToFeeRatio of 100:1, trader can fill this order 1 time.
let fillableTimesInAssetUnits = this._transferrableAssetAmount.dividedBy(orderToFeeRatio);
if (this._isTraderAssetZRX) {
if (this._isPercentageFee) {
// If ZRX is the trader asset, the Fee and the trader fill amount need to be removed from the same pool;
// 200 ZRXwei for 2ZRXwei fee can only be filled once (need 202 ZRXwei)
const totalZRXTokenPooled = this._transferrableAssetAmount;
const totalAssetPooled = this._transferrableAssetAmount;
// The purchasing power here is less as the tokens are taken from the same Pool
// For every one number of fills, we have to take an extra ZRX out of the pool
fillableTimesInAssetUnits = totalZRXTokenPooled.dividedBy(orderToFeeRatio.plus(new BigNumber(1)));
fillableTimesInAssetUnits = totalAssetPooled.dividedBy(orderToFeeRatio.plus(new BigNumber(1)));
}
// When Ratio is not fully divisible there can be remainders which cannot be represented, so they are floored.
// This can result in a RoundingError being thrown by the Exchange Contract.

2
packages/order-utils/src/types.ts
View File

@ -23,6 +23,8 @@ export interface CreateOrderOpts {
feeRecipientAddress?: string;
salt?: BigNumber;
expirationTimeSeconds?: BigNumber;
makerFeeAssetData?: string;
takerFeeAssetData?: string;
}
/**

5
packages/order-utils/test/order_hash_test.ts
View File

@ -14,7 +14,8 @@ const expect = chai.expect;
describe('Order hashing', () => {
describe('#getOrderHashHex', () => {
const expectedOrderHash = '0x507a818f74a0400444af08a1f58fa99b8df80ace57bfbdb5da304d9d1713e8ba';
// const expectedOrderHash = '0x507a818f74a0400444af08a1f58fa99b8df80ace57bfbdb5da304d9d1713e8ba';
const expectedOrderHash = '0x67f2637ce3098736611e86a1fd6fa25bef559d547c8751813f80e76507f344ab';
const fakeExchangeContractAddress = '0x1dc4c1cefef38a777b15aa20260a54e584b16c48';
const fakeChainID = 1337;
const order: Order = {
@ -24,6 +25,8 @@ describe('Order hashing', () => {
feeRecipientAddress: constants.NULL_ADDRESS,
makerAssetData: constants.NULL_ADDRESS,
takerAssetData: constants.NULL_ADDRESS,
makerFeeAssetData: constants.NULL_ADDRESS,
takerFeeAssetData: constants.NULL_ADDRESS,
salt: new BigNumber(0),
makerFee: new BigNumber(0),
takerFee: new BigNumber(0),

36
packages/order-utils/test/remaining_fillable_calculator_test.ts
View File

@ -20,9 +20,11 @@ describe('RemainingFillableCalculator', () => {
let makerAmount: BigNumber;
let takerAmount: BigNumber;
let makerFeeAmount: BigNumber;
let isMakeAssetZRX: boolean;
let isPercentageFee: boolean;
const makerAssetData: string = '0x1';
const takerAssetData: string = '0x2';
const makerFeeAssetData: string = '0x03';
const takerFeeAssetData: string = '0x04';
const decimals: number = 4;
const zero: BigNumber = new BigNumber(0);
const chainId: number = 1337;
@ -53,6 +55,8 @@ describe('RemainingFillableCalculator', () => {
takerAssetAmount: takerAmount,
makerAssetData,
takerAssetData,
makerFeeAssetData,
takerFeeAssetData,
salt: zero,
expirationTimeSeconds: zero,
domain: {
@ -61,9 +65,9 @@ describe('RemainingFillableCalculator', () => {
},
};
}
describe('Maker token is NOT ZRX', () => {
describe('Maker asset is not fee asset', () => {
before(async () => {
isMakeAssetZRX = false;
isPercentageFee = false;
});
it('calculates the correct amount when unfilled and funds available', () => {
signedOrder = buildSignedOrder();
@ -71,7 +75,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -84,7 +88,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -98,7 +102,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -113,7 +117,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -136,7 +140,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -144,7 +148,7 @@ describe('RemainingFillableCalculator', () => {
expect(calculator.computeRemainingFillable()).to.be.bignumber.equal(transferrableMakeAssetAmount);
});
});
describe('Ratio is not evenly divisble', () => {
describe('Ratio is not evenly divisible', () => {
beforeEach(async () => {
[makerAmount, takerAmount, makerFeeAmount] = [
Web3Wrapper.toBaseUnitAmount(new BigNumber(3), decimals),
@ -160,7 +164,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -174,9 +178,9 @@ describe('RemainingFillableCalculator', () => {
});
});
});
describe('Maker Token is ZRX', () => {
describe('Maker asset is fee asset', () => {
before(async () => {
isMakeAssetZRX = true;
isPercentageFee = true;
});
it('calculates the correct amount when unfilled and funds available', () => {
signedOrder = buildSignedOrder();
@ -186,7 +190,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -199,7 +203,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -214,7 +218,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,
@ -233,7 +237,7 @@ describe('RemainingFillableCalculator', () => {
calculator = new RemainingFillableCalculator(
signedOrder.makerFee,
signedOrder.makerAssetAmount,
isMakeAssetZRX,
isPercentageFee,
transferrableMakeAssetAmount,
transferrableMakerFeeTokenAmount,
remainingMakeAssetAmount,

8
packages/order-utils/test/signature_utils_test.ts
View File

@ -33,6 +33,8 @@ describe('Signature utils', () => {
feeRecipientAddress: constants.NULL_ADDRESS,
makerAssetData: constants.NULL_ADDRESS,
takerAssetData: constants.NULL_ADDRESS,
makerFeeAssetData: constants.NULL_ADDRESS,
takerFeeAssetData: constants.NULL_ADDRESS,
salt: new BigNumber(0),
makerFee: new BigNumber(0),
takerFee: new BigNumber(0),
@ -164,7 +166,7 @@ describe('Signature utils', () => {
describe('#ecSignOrderAsync', () => {
it('should default to eth_sign if eth_signTypedData is unavailable', async () => {
const expectedSignature =
'0x1c8bb89df0d0b537eced265159e75082086fa6f2c1422e743b36a095711edabf890531b8c37f0060bbd7d282a1a8a98b1497c85ac85a2eefc05854f090831fd9be03';
'0x1c5e6c2a66037230b86a410b1d68108683ee8288d3668af91cab72dde1e1541ca86a50b638ccc743f6194a21dd313e71b4b155b2ad882f874d5d790d37d4623ca203';
const fakeProvider = {
async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
@ -358,9 +360,9 @@ describe('Signature utils', () => {
expect(signatureHex).to.eq(signedOrder.signature);
expect(isValidSignature).to.eq(true);
});
it('should return the correct Signature for signatureHex concatenated as R + S + V', async () => {
it('should return the correct signature for signatureHex concatenated as R + S + V', async () => {
const expectedSignature =
'0x1cdf371e6e60c9f2a0a3a1adcc1b27411e1d88bdb9c7dbae8c6faa38d37c5e330e2b467e08bbde8285d627cc5fc680746b9f97ec9d5e5be3b9fdf7abe37ed3279502';
'0x1c686a55fa3f563115c0f2bc2b1c51964d0b6a05dd5ee862b702275600b7f634970f2275dccc1073f87a916dfde88574385b2d7a3eed0c2bdc08c76bad748d7d9002';
const fakeProvider = {
async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
if (payload.method === 'eth_signTypedData') {