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Merge pull request #225 from dekz/feature/track-zrx-movements

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Track ZRX Approval and Balance events
This commit is contained in:
Fabio Berger
2017-11-20 13:54:07 -06:00
committed by GitHub
parent 98394c6e37 33c1259fa2
commit 037f466e1f
3 changed files with 50 additions and 23 deletions
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2
packages/0x.js/CHANGELOG.md
View File

@@ -3,6 +3,8 @@
vx.x.x
------------------------
* Remove support for Async callback types when used in Subscribe functions
* In OrderWatcher subscribe to ZRX Token Transfer and Approval events when maker token is different (#225)
v0.25.1 - _November 13, 2017_
------------------------
* Standardise on Cancelled over Canceled

25
packages/0x.js/src/order_watcher/order_state_watcher.ts
View File

@@ -78,24 +78,27 @@ export class OrderStateWatcher {
* signature is verified.
* @param signedOrder The order you wish to start watching.
*/
public addOrder(signedOrder: SignedOrder): void {
public async addOrderAsync(signedOrder: SignedOrder): Promise<void> {
assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
assert.isValidSignature(orderHash, signedOrder.ecSignature, signedOrder.maker);
this._orderByOrderHash[orderHash] = signedOrder;
this.addToDependentOrderHashes(signedOrder, orderHash);
await this.addToDependentOrderHashesAsync(signedOrder, orderHash);
}
/**
* Removes an order from the orderStateWatcher
* @param orderHash The orderHash of the order you wish to stop watching.
*/
public removeOrder(orderHash: string): void {
public async removeOrderAsync(orderHash: string): Promise<void> {
assert.doesConformToSchema('orderHash', orderHash, schemas.orderHashSchema);
const signedOrder = this._orderByOrderHash[orderHash];
if (_.isUndefined(signedOrder)) {
return; // noop
}
delete this._orderByOrderHash[orderHash];
const exchange = (this._orderFilledCancelledLazyStore as any).exchange as ExchangeWrapper;
const zrxTokenAddress = await exchange.getZRXTokenAddressAsync();
this.removeFromDependentOrderHashes(signedOrder.maker, zrxTokenAddress, orderHash);
this.removeFromDependentOrderHashes(signedOrder.maker, signedOrder.makerTokenAddress, orderHash);
}
/**
@@ -210,7 +213,7 @@ export class OrderStateWatcher {
this._callbackIfExists(orderState);
}
}
private addToDependentOrderHashes(signedOrder: SignedOrder, orderHash: string) {
private async addToDependentOrderHashesAsync(signedOrder: SignedOrder, orderHash: string): Promise<void> {
if (_.isUndefined(this._dependentOrderHashes[signedOrder.maker])) {
this._dependentOrderHashes[signedOrder.maker] = {};
}
@@ -218,11 +221,17 @@ export class OrderStateWatcher {
this._dependentOrderHashes[signedOrder.maker][signedOrder.makerTokenAddress] = new Set();
}
this._dependentOrderHashes[signedOrder.maker][signedOrder.makerTokenAddress].add(orderHash);
const exchange = (this._orderFilledCancelledLazyStore as any).exchange as ExchangeWrapper;
const zrxTokenAddress = await exchange.getZRXTokenAddressAsync();
if (_.isUndefined(this._dependentOrderHashes[signedOrder.maker][zrxTokenAddress])) {
this._dependentOrderHashes[signedOrder.maker][zrxTokenAddress] = new Set();
}
this._dependentOrderHashes[signedOrder.maker][zrxTokenAddress].add(orderHash);
}
private removeFromDependentOrderHashes(makerAddress: string, makerTokenAddress: string, orderHash: string) {
this._dependentOrderHashes[makerAddress][makerTokenAddress].delete(orderHash);
if (this._dependentOrderHashes[makerAddress][makerTokenAddress].size === 0) {
delete this._dependentOrderHashes[makerAddress][makerTokenAddress];
private removeFromDependentOrderHashes(makerAddress: string, tokenAddress: string, orderHash: string) {
this._dependentOrderHashes[makerAddress][tokenAddress].delete(orderHash);
if (this._dependentOrderHashes[makerAddress][tokenAddress].size === 0) {
delete this._dependentOrderHashes[makerAddress][tokenAddress];
}
if (_.isEmpty(this._dependentOrderHashes[makerAddress])) {
delete this._dependentOrderHashes[makerAddress];

46
packages/0x.js/test/order_state_watcher_test.ts
View File

@@ -73,13 +73,13 @@ describe('OrderStateWatcher', () => {
makerToken.address, takerToken.address, maker, taker, fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
expect((zeroEx.orderStateWatcher as any)._orderByOrderHash).to.include({
[orderHash]: signedOrder,
});
let dependentOrderHashes = (zeroEx.orderStateWatcher as any)._dependentOrderHashes;
expect(dependentOrderHashes[signedOrder.maker][signedOrder.makerTokenAddress]).to.have.keys(orderHash);
zeroEx.orderStateWatcher.removeOrder(orderHash);
await zeroEx.orderStateWatcher.removeOrderAsync(orderHash);
expect((zeroEx.orderStateWatcher as any)._orderByOrderHash).to.not.include({
[orderHash]: signedOrder,
});
@@ -92,7 +92,7 @@ describe('OrderStateWatcher', () => {
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
const nonExistentOrderHash = `0x${orderHash.substr(2).split('').reverse().join('')}`;
zeroEx.orderStateWatcher.removeOrder(nonExistentOrderHash);
await zeroEx.orderStateWatcher.removeOrderAsync(nonExistentOrderHash);
});
});
describe('#subscribe', async () => {
@@ -109,7 +109,7 @@ describe('OrderStateWatcher', () => {
afterEach(async () => {
zeroEx.orderStateWatcher.unsubscribe();
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.removeOrder(orderHash);
await zeroEx.orderStateWatcher.removeOrderAsync(orderHash);
});
it('should emit orderStateInvalid when maker allowance set to 0 for watched order', (done: DoneCallback) => {
(async () => {
@@ -117,7 +117,7 @@ describe('OrderStateWatcher', () => {
makerToken.address, takerToken.address, maker, taker, fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
@@ -135,7 +135,7 @@ describe('OrderStateWatcher', () => {
makerToken.address, takerToken.address, maker, taker, fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
throw new Error('OrderState callback fired for irrelevant order');
});
@@ -156,7 +156,7 @@ describe('OrderStateWatcher', () => {
makerToken.address, takerToken.address, maker, taker, fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
@@ -176,7 +176,7 @@ describe('OrderStateWatcher', () => {
makerToken.address, takerToken.address, maker, taker, fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
let eventCount = 0;
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
@@ -208,7 +208,7 @@ describe('OrderStateWatcher', () => {
const fillAmountInBaseUnits = new BigNumber(2);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
let eventCount = 0;
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
@@ -235,6 +235,22 @@ describe('OrderStateWatcher', () => {
);
})().catch(done);
});
it('should trigger the callback when orders backing ZRX allowance changes', (done: DoneCallback) => {
(async () => {
const makerFee = ZeroEx.toBaseUnitAmount(new BigNumber(2), 18);
const takerFee = ZeroEx.toBaseUnitAmount(new BigNumber(0), 18);
signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
makerToken.address, takerToken.address, makerFee, takerFee, maker, taker, fillableAmount,
taker);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
done();
});
zeroEx.orderStateWatcher.subscribe(callback);
await zeroEx.token.setProxyAllowanceAsync(zrxTokenAddress, maker, new BigNumber(0));
})().catch(done);
});
describe('remainingFillable(M|T)akerTokenAmount', () => {
it('should calculate correct remaining fillable', (done: DoneCallback) => {
(async () => {
@@ -248,7 +264,7 @@ describe('OrderStateWatcher', () => {
const takerBalance = await zeroEx.token.getBalanceAsync(makerToken.address, taker);
const fillAmountInBaseUnits = ZeroEx.toBaseUnitAmount(new BigNumber(2), 18);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
let eventCount = 0;
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
eventCount++;
@@ -280,7 +296,7 @@ describe('OrderStateWatcher', () => {
const makerBalance = await zeroEx.token.getBalanceAsync(makerToken.address, maker);
const changedMakerApprovalAmount = ZeroEx.toBaseUnitAmount(new BigNumber(3), 18);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
const validOrderState = orderState as OrderStateValid;
@@ -305,7 +321,7 @@ describe('OrderStateWatcher', () => {
const remainingAmount = ZeroEx.toBaseUnitAmount(new BigNumber(1), 18);
const transferAmount = makerBalance.sub(remainingAmount);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
const validOrderState = orderState as OrderStateValid;
@@ -328,7 +344,7 @@ describe('OrderStateWatcher', () => {
makerToken.address, takerToken.address, maker, taker, fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
@@ -350,7 +366,7 @@ describe('OrderStateWatcher', () => {
makerToken.address, takerToken.address, maker, taker, fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
@@ -376,7 +392,7 @@ describe('OrderStateWatcher', () => {
const cancelAmountInBaseUnits = new BigNumber(2);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
await zeroEx.orderStateWatcher.addOrderAsync(signedOrder);
const callback = reportCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();