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authorLeonid Logvinov <logvinov.leon@gmail.com>2017-11-21 06:25:51 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2017-11-21 06:25:51 +0800
commit3bc3666215d4fdaa6d9db87e065ca5e762df9b25 (patch)
tree2ff00759cecbeef8c754818b4469334d3f3ea620 /packages/0x.js/src
parentb01a4af99ed246cda6307ea10303ad25d2cadbe0 (diff)
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Check if callback exists
Diffstat (limited to 'packages/0x.js/src')
-rw-r--r--packages/0x.js/src/order_watcher/expiration_watcher.ts8
-rw-r--r--packages/0x.js/src/order_watcher/order_state_watcher.ts10
2 files changed, 10 insertions, 8 deletions
diff --git a/packages/0x.js/src/order_watcher/expiration_watcher.ts b/packages/0x.js/src/order_watcher/expiration_watcher.ts
index 7d6ce6bdd..efedd3cf8 100644
--- a/packages/0x.js/src/order_watcher/expiration_watcher.ts
+++ b/packages/0x.js/src/order_watcher/expiration_watcher.ts
@@ -29,12 +29,12 @@ export class ExpirationWatcher {
const comparator = (lhs: string, rhs: string) => scoreFunction(lhs) - scoreFunction(rhs);
this.orderHashByExpirationRBTree = new RBTree(comparator);
}
- public subscribe(callback: (orderHash: string) => void): void {
+ public subscribe(callbackAsync: (orderHash: string) => Promise<void>): void {
if (!_.isUndefined(this.orderExpirationCheckingIntervalIdIfExists)) {
throw new Error(ZeroExError.SubscriptionAlreadyPresent);
}
this.orderExpirationCheckingIntervalIdIfExists = intervalUtils.setAsyncExcludingInterval(
- this.pruneExpiredOrders.bind(this, callback), this.orderExpirationCheckingIntervalMs,
+ this.pruneExpiredOrdersAsync.bind(this, callbackAsync), this.orderExpirationCheckingIntervalMs,
);
}
public unsubscribe(): void {
@@ -52,7 +52,7 @@ export class ExpirationWatcher {
this.orderHashByExpirationRBTree.remove(orderHash);
delete this.expiration[orderHash];
}
- private pruneExpiredOrders(callback: (orderHash: string) => void): void {
+ private async pruneExpiredOrdersAsync(callbackAsync: (orderHash: string) => Promise<void>): Promise<void> {
const currentUnixTimestampMs = utils.getCurrentUnixTimestampMs();
while (
this.orderHashByExpirationRBTree.size !== 0 &&
@@ -63,7 +63,7 @@ export class ExpirationWatcher {
const orderHash = this.orderHashByExpirationRBTree.min();
this.orderHashByExpirationRBTree.remove(orderHash);
delete this.expiration[orderHash];
- callback(orderHash);
+ await callbackAsync(orderHash);
}
}
}
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 579fa388a..84f2128c0 100644
--- a/packages/0x.js/src/order_watcher/order_state_watcher.ts
+++ b/packages/0x.js/src/order_watcher/order_state_watcher.ts
@@ -128,7 +128,7 @@ export class OrderStateWatcher {
}
this._callbackIfExists = callback;
this._eventWatcher.subscribe(this._onEventWatcherCallbackAsync.bind(this));
- this._expirationWatcher.subscribe(this._onOrderExpired.bind(this));
+ this._expirationWatcher.subscribe(this._onOrderExpiredAsync.bind(this));
}
/**
* Ends an orderStateWatcher subscription.
@@ -143,7 +143,7 @@ export class OrderStateWatcher {
this._eventWatcher.unsubscribe();
this._expirationWatcher.unsubscribe();
}
- private _onOrderExpired(orderHash: string): void {
+ private async _onOrderExpiredAsync(orderHash: string): Promise<void> {
const orderState: OrderState = {
isValid: false,
orderHash,
@@ -151,8 +151,10 @@ export class OrderStateWatcher {
};
if (!_.isUndefined(this._orderByOrderHash[orderHash])) {
// We need this check because we never remove the orders from expiration watcher
- this.removeOrder(orderHash);
- (this._callbackIfExistsAsync as OnOrderStateChangeCallback)(orderState);
+ await this.removeOrderAsync(orderHash);
+ if (!_.isUndefined(this._callbackIfExists)) {
+ this._callbackIfExists(orderState);
+ }
}
}
private async _onEventWatcherCallbackAsync(log: LogEvent): Promise<void> {