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-rw-r--r--packages/0x.js/CHANGELOG.md3
-rw-r--r--packages/0x.js/src/0x.ts29
-rw-r--r--packages/0x.js/src/order_watcher/event_watcher.ts8
-rw-r--r--packages/0x.js/src/order_watcher/order_state_watcher.ts7
-rw-r--r--packages/0x.js/src/types.ts6
-rw-r--r--packages/0x.js/test/order_state_watcher_test.ts89
6 files changed, 80 insertions, 62 deletions
diff --git a/packages/0x.js/CHANGELOG.md b/packages/0x.js/CHANGELOG.md
index ca6b985d3..af63118a7 100644
--- a/packages/0x.js/CHANGELOG.md
+++ b/packages/0x.js/CHANGELOG.md
@@ -3,6 +3,9 @@
## v0.34.0 - _TBD_
* Fix the bug causing `zeroEx.exchange.fillOrdersUpToAsync` validation to fail if there were some extra orders passed (#470)
+ * Remove automatic instantiation of `zeroEx.orderStateWatcher` (#488)
+ * Add `zeroEx.createOrderStateWatcher` to allow creating arbitrary number of OrderStateWatchers (#488)
+ * Added `stateLayer` setting to `OrderStateWatcherConfig` so OrderStateWatcher can be set to monitor different blockchain state layers (#488)
## v0.33.2 - _March 18, 2018_
diff --git a/packages/0x.js/src/0x.ts b/packages/0x.js/src/0x.ts
index 0dd728ff1..7627f1d6e 100644
--- a/packages/0x.js/src/0x.ts
+++ b/packages/0x.js/src/0x.ts
@@ -15,7 +15,7 @@ import { OrderStateWatcher } from './order_watcher/order_state_watcher';
import { zeroExConfigSchema } from './schemas/zero_ex_config_schema';
import { zeroExPrivateNetworkConfigSchema } from './schemas/zero_ex_private_network_config_schema';
import { zeroExPublicNetworkConfigSchema } from './schemas/zero_ex_public_network_config_schema';
-import { Web3Provider, ZeroExConfig, ZeroExError } from './types';
+import { OrderStateWatcherConfig, ZeroExConfig, ZeroExError } from './types';
import { assert } from './utils/assert';
import { constants } from './utils/constants';
import { decorators } from './utils/decorators';
@@ -57,11 +57,6 @@ export class ZeroEx {
* tokenTransferProxy smart contract.
*/
public proxy: TokenTransferProxyWrapper;
- /**
- * An instance of the OrderStateWatcher class containing methods for watching a set of orders for relevant
- * blockchain state changes.
- */
- public orderStateWatcher: OrderStateWatcher;
private _web3Wrapper: Web3Wrapper;
private _abiDecoder: AbiDecoder;
/**
@@ -197,13 +192,6 @@ export class ZeroEx {
config.tokenRegistryContractAddress,
);
this.etherToken = new EtherTokenWrapper(this._web3Wrapper, config.networkId, this._abiDecoder, this.token);
- this.orderStateWatcher = new OrderStateWatcher(
- this._web3Wrapper,
- this._abiDecoder,
- this.token,
- this.exchange,
- config.orderWatcherConfig,
- );
}
/**
* Sets a new web3 provider for 0x.js. Updating the provider will stop all
@@ -336,6 +324,21 @@ export class ZeroEx {
const txReceipt = await txReceiptPromise;
return txReceipt;
}
+ /**
+ * Instantiates and returns a new OrderStateWatcher instance.
+ * Defaults to watching the pending state.
+ * @param config The configuration object. Look up the type for the description.
+ * @return An instance of the 0x.js OrderStateWatcher class.
+ */
+ public createOrderStateWatcher(config?: OrderStateWatcherConfig) {
+ return new OrderStateWatcher(
+ this._web3Wrapper,
+ this._abiDecoder,
+ this.token,
+ this.exchange,
+ config,
+ );
+ }
/*
* HACK: `TokenWrapper` needs a token transfer proxy address. `TokenTransferProxy` address is fetched from
* an `ExchangeWrapper`. `ExchangeWrapper` needs `TokenWrapper` to validate orders, creating a dependency cycle.
diff --git a/packages/0x.js/src/order_watcher/event_watcher.ts b/packages/0x.js/src/order_watcher/event_watcher.ts
index 246ab8292..d01542a8c 100644
--- a/packages/0x.js/src/order_watcher/event_watcher.ts
+++ b/packages/0x.js/src/order_watcher/event_watcher.ts
@@ -22,8 +22,10 @@ export class EventWatcher {
private _pollingIntervalMs: number;
private _intervalIdIfExists?: NodeJS.Timer;
private _lastEvents: LogEntry[] = [];
- constructor(web3Wrapper: Web3Wrapper, pollingIntervalIfExistsMs: undefined | number) {
+ private _stateLayer: BlockParamLiteral;
+ constructor(web3Wrapper: Web3Wrapper, pollingIntervalIfExistsMs: undefined | number, stateLayer: BlockParamLiteral = BlockParamLiteral.Latest) {
this._web3Wrapper = web3Wrapper;
+ this._stateLayer = stateLayer;
this._pollingIntervalMs = _.isUndefined(pollingIntervalIfExistsMs)
? DEFAULT_EVENT_POLLING_INTERVAL_MS
: pollingIntervalIfExistsMs;
@@ -69,8 +71,8 @@ export class EventWatcher {
}
private async _getEventsAsync(): Promise<LogEntry[]> {
const eventFilter = {
- fromBlock: BlockParamLiteral.Pending,
- toBlock: BlockParamLiteral.Pending,
+ fromBlock: this._stateLayer,
+ toBlock: this._stateLayer,
};
const events = await this._web3Wrapper.getLogsAsync(eventFilter);
return events;
diff --git a/packages/0x.js/src/order_watcher/order_state_watcher.ts b/packages/0x.js/src/order_watcher/order_state_watcher.ts
index 9cccadb7f..bfd250e21 100644
--- a/packages/0x.js/src/order_watcher/order_state_watcher.ts
+++ b/packages/0x.js/src/order_watcher/order_state_watcher.ts
@@ -86,10 +86,13 @@ export class OrderStateWatcher {
this._abiDecoder = abiDecoder;
this._web3Wrapper = web3Wrapper;
const pollingIntervalIfExistsMs = _.isUndefined(config) ? undefined : config.eventPollingIntervalMs;
- this._eventWatcher = new EventWatcher(web3Wrapper, pollingIntervalIfExistsMs);
+ const stateLayer = _.isUndefined(config) || _.isUndefined(config.stateLayer)
+ ? BlockParamLiteral.Latest
+ : config.stateLayer;
+ this._eventWatcher = new EventWatcher(web3Wrapper, pollingIntervalIfExistsMs, stateLayer);
this._balanceAndProxyAllowanceLazyStore = new BalanceAndProxyAllowanceLazyStore(
token,
- BlockParamLiteral.Pending,
+ stateLayer,
);
this._orderFilledCancelledLazyStore = new OrderFilledCancelledLazyStore(exchange);
this._orderStateUtils = new OrderStateUtils(
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 38cfb6306..7f1f140ca 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -165,16 +165,18 @@ export type Web3Provider = Web3.Provider;
/*
* orderExpirationCheckingIntervalMs: How often to check for expired orders. Default: 50
- * eventPollingIntervalMs: How often to poll the Ethereum node for new events. Defaults: 200
+ * eventPollingIntervalMs: How often to poll the Ethereum node for new events. Default: 200
* expirationMarginMs: Amount of time before order expiry that you'd like to be notified
- * of an orders expiration. Defaults: 0
+ * of an orders expiration. Default: 0
* cleanupJobIntervalMs: How often to run a cleanup job which revalidates all the orders. Defaults: 1h
+ * stateLayer: Optional blockchain state layer OrderWatcher will monitor for new events. Default: latest
*/
export interface OrderStateWatcherConfig {
orderExpirationCheckingIntervalMs?: number;
eventPollingIntervalMs?: number;
expirationMarginMs?: number;
cleanupJobIntervalMs?: number;
+ stateLayer: BlockParamLiteral;
}
/*
diff --git a/packages/0x.js/test/order_state_watcher_test.ts b/packages/0x.js/test/order_state_watcher_test.ts
index d08272c3b..4f727d495 100644
--- a/packages/0x.js/test/order_state_watcher_test.ts
+++ b/packages/0x.js/test/order_state_watcher_test.ts
@@ -15,6 +15,9 @@ import {
ZeroEx,
ZeroExError,
} from '../src';
+import {
+ OrderStateWatcher,
+} from '../src/order_watcher/order_state_watcher';
import { DoneCallback } from '../src/types';
import { chaiSetup } from './utils/chai_setup';
@@ -43,6 +46,7 @@ describe('OrderStateWatcher', () => {
let maker: string;
let taker: string;
let signedOrder: SignedOrder;
+ let orderStateWatcher: OrderStateWatcher;
const config = {
networkId: constants.TESTRPC_NETWORK_ID,
};
@@ -50,6 +54,7 @@ describe('OrderStateWatcher', () => {
const fillableAmount = ZeroEx.toBaseUnitAmount(new BigNumber(5), decimals);
before(async () => {
zeroEx = new ZeroEx(web3.currentProvider, config);
+ orderStateWatcher = zeroEx.createOrderStateWatcher();
exchangeContractAddress = zeroEx.exchange.getContractAddress();
userAddresses = await zeroEx.getAvailableAddressesAsync();
[, maker, taker] = userAddresses;
@@ -76,17 +81,17 @@ describe('OrderStateWatcher', () => {
fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
- expect((zeroEx.orderStateWatcher as any)._orderByOrderHash).to.include({
+ orderStateWatcher.addOrder(signedOrder);
+ expect((orderStateWatcher as any)._orderByOrderHash).to.include({
[orderHash]: signedOrder,
});
- let dependentOrderHashes = (zeroEx.orderStateWatcher as any)._dependentOrderHashes;
+ let dependentOrderHashes = (orderStateWatcher as any)._dependentOrderHashes;
expect(dependentOrderHashes[signedOrder.maker][signedOrder.makerTokenAddress]).to.have.keys(orderHash);
- zeroEx.orderStateWatcher.removeOrder(orderHash);
- expect((zeroEx.orderStateWatcher as any)._orderByOrderHash).to.not.include({
+ orderStateWatcher.removeOrder(orderHash);
+ expect((orderStateWatcher as any)._orderByOrderHash).to.not.include({
[orderHash]: signedOrder,
});
- dependentOrderHashes = (zeroEx.orderStateWatcher as any)._dependentOrderHashes;
+ dependentOrderHashes = (orderStateWatcher as any)._dependentOrderHashes;
expect(dependentOrderHashes[signedOrder.maker]).to.be.undefined();
});
it('should no-op when removing a non-existing order', async () => {
@@ -103,23 +108,23 @@ describe('OrderStateWatcher', () => {
.split('')
.reverse()
.join('')}`;
- zeroEx.orderStateWatcher.removeOrder(nonExistentOrderHash);
+ orderStateWatcher.removeOrder(nonExistentOrderHash);
});
});
describe('#subscribe', async () => {
afterEach(async () => {
- zeroEx.orderStateWatcher.unsubscribe();
+ orderStateWatcher.unsubscribe();
});
it('should fail when trying to subscribe twice', async () => {
- zeroEx.orderStateWatcher.subscribe(_.noop);
- expect(() => zeroEx.orderStateWatcher.subscribe(_.noop)).to.throw(ZeroExError.SubscriptionAlreadyPresent);
+ orderStateWatcher.subscribe(_.noop);
+ expect(() => orderStateWatcher.subscribe(_.noop)).to.throw(ZeroExError.SubscriptionAlreadyPresent);
});
});
describe('tests with cleanup', async () => {
afterEach(async () => {
- zeroEx.orderStateWatcher.unsubscribe();
+ orderStateWatcher.unsubscribe();
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.removeOrder(orderHash);
+ orderStateWatcher.removeOrder(orderHash);
});
it('should emit orderStateInvalid when maker allowance set to 0 for watched order', (done: DoneCallback) => {
(async () => {
@@ -131,14 +136,14 @@ describe('OrderStateWatcher', () => {
fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
expect(invalidOrderState.error).to.be.equal(ExchangeContractErrs.InsufficientMakerAllowance);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.token.setProxyAllowanceAsync(makerToken.address, maker, new BigNumber(0));
})().catch(done);
});
@@ -151,11 +156,11 @@ describe('OrderStateWatcher', () => {
taker,
fillableAmount,
);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
throw new Error('OrderState callback fired for irrelevant order');
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
const notTheMaker = userAddresses[0];
const anyRecipient = taker;
const transferAmount = new BigNumber(2);
@@ -175,14 +180,14 @@ describe('OrderStateWatcher', () => {
fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
expect(invalidOrderState.error).to.be.equal(ExchangeContractErrs.InsufficientMakerBalance);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
const anyRecipient = taker;
const makerBalance = await zeroEx.token.getBalanceAsync(makerToken.address, maker);
await zeroEx.token.transferAsync(makerToken.address, maker, anyRecipient, makerBalance);
@@ -198,7 +203,7 @@ describe('OrderStateWatcher', () => {
fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
@@ -206,7 +211,7 @@ describe('OrderStateWatcher', () => {
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
expect(invalidOrderState.error).to.be.equal(ExchangeContractErrs.OrderRemainingFillAmountZero);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
const shouldThrowOnInsufficientBalanceOrAllowance = true;
await zeroEx.exchange.fillOrderAsync(
@@ -230,7 +235,7 @@ describe('OrderStateWatcher', () => {
const makerBalance = await zeroEx.token.getBalanceAsync(makerToken.address, maker);
const fillAmountInBaseUnits = new BigNumber(2);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
@@ -247,7 +252,7 @@ describe('OrderStateWatcher', () => {
);
expect(orderRelevantState.makerBalance).to.be.bignumber.equal(remainingMakerBalance);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
const shouldThrowOnInsufficientBalanceOrAllowance = true;
await zeroEx.exchange.fillOrderAsync(
signedOrder,
@@ -272,8 +277,8 @@ describe('OrderStateWatcher', () => {
taker,
);
const callback = reportNodeCallbackErrors(done)();
- zeroEx.orderStateWatcher.addOrder(signedOrder);
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.subscribe(callback);
await zeroEx.token.setProxyAllowanceAsync(zrxTokenAddress, maker, new BigNumber(0));
})().catch(done);
});
@@ -292,7 +297,7 @@ describe('OrderStateWatcher', () => {
);
const fillAmountInBaseUnits = ZeroEx.toBaseUnitAmount(new BigNumber(2), decimals);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
const validOrderState = orderState as OrderStateValid;
@@ -305,7 +310,7 @@ describe('OrderStateWatcher', () => {
ZeroEx.toBaseUnitAmount(new BigNumber(8), decimals),
);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
const shouldThrowOnInsufficientBalanceOrAllowance = true;
await zeroEx.exchange.fillOrderAsync(
signedOrder,
@@ -326,7 +331,7 @@ describe('OrderStateWatcher', () => {
);
const changedMakerApprovalAmount = ZeroEx.toBaseUnitAmount(new BigNumber(3), decimals);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
const validOrderState = orderState as OrderStateValid;
@@ -338,7 +343,7 @@ describe('OrderStateWatcher', () => {
changedMakerApprovalAmount,
);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.token.setProxyAllowanceAsync(makerToken.address, maker, changedMakerApprovalAmount);
})().catch(done);
});
@@ -356,7 +361,7 @@ describe('OrderStateWatcher', () => {
const remainingAmount = ZeroEx.toBaseUnitAmount(new BigNumber(1), decimals);
const transferAmount = makerBalance.sub(remainingAmount);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
@@ -369,7 +374,7 @@ describe('OrderStateWatcher', () => {
remainingAmount,
);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.token.transferAsync(makerToken.address, maker, ZeroEx.NULL_ADDRESS, transferAmount);
})().catch(done);
});
@@ -391,7 +396,7 @@ describe('OrderStateWatcher', () => {
const remainingTokenAmount = ZeroEx.toBaseUnitAmount(new BigNumber(4), decimals);
const transferTokenAmount = makerFee.sub(remainingTokenAmount);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
@@ -401,7 +406,7 @@ describe('OrderStateWatcher', () => {
remainingTokenAmount,
);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.exchange.cancelOrderAsync(signedOrder, transferTokenAmount);
})().catch(done);
});
@@ -425,7 +430,7 @@ describe('OrderStateWatcher', () => {
const remainingTokenAmount = ZeroEx.toBaseUnitAmount(new BigNumber(4), decimals);
const transferTokenAmount = makerFee.sub(remainingTokenAmount);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
const validOrderState = orderState as OrderStateValid;
@@ -434,7 +439,7 @@ describe('OrderStateWatcher', () => {
remainingFeeAmount,
);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.token.setProxyAllowanceAsync(zrxTokenAddress, maker, remainingFeeAmount);
await zeroEx.token.transferAsync(
makerToken.address,
@@ -460,7 +465,7 @@ describe('OrderStateWatcher', () => {
feeRecipient,
);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
const validOrderState = orderState as OrderStateValid;
@@ -469,7 +474,7 @@ describe('OrderStateWatcher', () => {
fillableAmount,
);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.token.setProxyAllowanceAsync(
makerToken.address,
maker,
@@ -488,7 +493,7 @@ describe('OrderStateWatcher', () => {
fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
@@ -496,7 +501,7 @@ describe('OrderStateWatcher', () => {
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
expect(invalidOrderState.error).to.be.equal(ExchangeContractErrs.OrderRemainingFillAmountZero);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.exchange.cancelOrderAsync(signedOrder, fillableAmount);
})().catch(done);
@@ -512,7 +517,7 @@ describe('OrderStateWatcher', () => {
fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
@@ -520,7 +525,7 @@ describe('OrderStateWatcher', () => {
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
expect(invalidOrderState.error).to.be.equal(ExchangeContractErrs.OrderFillRoundingError);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.exchange.cancelOrderAsync(
signedOrder,
fillableAmount.minus(remainingFillableAmountInBaseUnits),
@@ -539,7 +544,7 @@ describe('OrderStateWatcher', () => {
const cancelAmountInBaseUnits = new BigNumber(2);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
- zeroEx.orderStateWatcher.addOrder(signedOrder);
+ orderStateWatcher.addOrder(signedOrder);
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
@@ -548,7 +553,7 @@ describe('OrderStateWatcher', () => {
const orderRelevantState = validOrderState.orderRelevantState;
expect(orderRelevantState.cancelledTakerTokenAmount).to.be.bignumber.equal(cancelAmountInBaseUnits);
});
- zeroEx.orderStateWatcher.subscribe(callback);
+ orderStateWatcher.subscribe(callback);
await zeroEx.exchange.cancelOrderAsync(signedOrder, cancelAmountInBaseUnits);
})().catch(done);
});