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authorJacob Evans <jacob@dekz.net>2017-11-15 00:21:00 +0800
committerJacob Evans <jacob@dekz.net>2017-11-15 00:21:00 +0800
commit752603284de28f8d966fe61a52d0ffe5dd8afd6a (patch)
tree111c52f4fff2c314ef01e83bc8e6fac3fdadc05f /packages/0x.js/src
parent8f4be963b2f16351b6f55513e190e1e287328911 (diff)
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Remove Async subscribe callbacks from OrderWatcher
Diffstat (limited to 'packages/0x.js/src')
-rw-r--r--packages/0x.js/src/order_watcher/order_state_watcher.ts14
-rw-r--r--packages/0x.js/src/types.ts4
2 files changed, 8 insertions, 10 deletions
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 2b9d7997e..80f323017 100644
--- a/packages/0x.js/src/order_watcher/order_state_watcher.ts
+++ b/packages/0x.js/src/order_watcher/order_state_watcher.ts
@@ -52,7 +52,7 @@ interface OrderByOrderHash {
export class OrderStateWatcher {
private _orderByOrderHash: OrderByOrderHash = {};
private _dependentOrderHashes: DependentOrderHashes = {};
- private _callbackIfExistsAsync?: OnOrderStateChangeCallback;
+ private _callbackIfExists?: OnOrderStateChangeCallback;
private _eventWatcher: EventWatcher;
private _web3Wrapper: Web3Wrapper;
private _abiDecoder: AbiDecoder;
@@ -106,22 +106,22 @@ export class OrderStateWatcher {
*/
public subscribe(callback: OnOrderStateChangeCallback): void {
assert.isFunction('callback', callback);
- if (!_.isUndefined(this._callbackIfExistsAsync)) {
+ if (!_.isUndefined(this._callbackIfExists)) {
throw new Error(ZeroExError.SubscriptionAlreadyPresent);
}
- this._callbackIfExistsAsync = callback;
+ this._callbackIfExists = callback;
this._eventWatcher.subscribe(this._onEventWatcherCallbackAsync.bind(this));
}
/**
* Ends an orderStateWatcher subscription.
*/
public unsubscribe(): void {
- if (_.isUndefined(this._callbackIfExistsAsync)) {
+ if (_.isUndefined(this._callbackIfExists)) {
throw new Error(ZeroExError.SubscriptionNotFound);
}
this._balanceAndProxyAllowanceLazyStore.deleteAll();
this._orderFilledCancelledLazyStore.deleteAll();
- delete this._callbackIfExistsAsync;
+ delete this._callbackIfExists;
this._eventWatcher.unsubscribe();
}
private async _onEventWatcherCallbackAsync(log: LogEvent): Promise<void> {
@@ -204,10 +204,10 @@ export class OrderStateWatcher {
// Most of these calls will never reach the network because the data is fetched from stores
// and only updated when cache is invalidated
const orderState = await this._orderStateUtils.getOrderStateAsync(signedOrder);
- if (_.isUndefined(this._callbackIfExistsAsync)) {
+ if (_.isUndefined(this._callbackIfExists)) {
break; // Unsubscribe was called
}
- await this._callbackIfExistsAsync(orderState);
+ this._callbackIfExists(orderState);
}
}
private addToDependentOrderHashes(signedOrder: SignedOrder, orderHash: string) {
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 04dfe3b0d..91e3c0f20 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -501,9 +501,7 @@ export interface OrderStateInvalid {
export type OrderState = OrderStateValid|OrderStateInvalid;
-export type OnOrderStateChangeCallbackSync = (orderState: OrderState) => void;
-export type OnOrderStateChangeCallbackAsync = (orderState: OrderState) => Promise<void>;
-export type OnOrderStateChangeCallback = OnOrderStateChangeCallbackAsync|OnOrderStateChangeCallbackSync;
+export type OnOrderStateChangeCallback = (orderState: OrderState) => void;
export interface TransactionReceipt {
blockHash: string;