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author | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-07-13 23:41:30 +0800 |
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committer | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-07-13 23:41:30 +0800 |
commit | 56b4c556540a71dbe4081c101df5d3bae5237365 (patch) | |
tree | 6d158d23276737d75af6a02a0db42bdc905899f4 /packages/order-utils/src/store | |
parent | 830790eeacd8b69ba30e56ca0f794ec16fe9bd7d (diff) | |
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Add OrderFilledCancelledLazyStore
Diffstat (limited to 'packages/order-utils/src/store')
-rw-r--r-- | packages/order-utils/src/store/order_filled_cancelled_lazy_store.ts | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/packages/order-utils/src/store/order_filled_cancelled_lazy_store.ts b/packages/order-utils/src/store/order_filled_cancelled_lazy_store.ts new file mode 100644 index 000000000..4b1ad70b6 --- /dev/null +++ b/packages/order-utils/src/store/order_filled_cancelled_lazy_store.ts @@ -0,0 +1,65 @@ +import { BigNumber } from '@0xproject/utils'; +import * as _ from 'lodash'; + +import { AbstractOrderFilledCancelledFetcher } from '../abstract/abstract_order_filled_cancelled_fetcher'; +import { AbstractOrderFilledCancelledLazyStore } from '../abstract/abstract_order_filled_cancelled_lazy_store'; + +/** + * Copy on read store for balances/proxyAllowances of tokens/accounts + */ +export class OrderFilledCancelledLazyStore implements AbstractOrderFilledCancelledLazyStore { + private _orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher; + private _filledTakerAmount: { + [orderHash: string]: BigNumber; + }; + private _isCancelled: { + [orderHash: string]: boolean; + }; + constructor(orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher) { + this._orderFilledCancelledFetcher = orderFilledCancelledFetcher; + this._filledTakerAmount = {}; + this._isCancelled = {}; + } + public async getFilledTakerAmountAsync(orderHash: string): Promise<BigNumber> { + if (_.isUndefined(this._filledTakerAmount[orderHash])) { + const filledTakerAmount = await this._orderFilledCancelledFetcher.getFilledTakerAmountAsync(orderHash); + this.setFilledTakerAmount(orderHash, filledTakerAmount); + } + const cachedFilledTakerAmount = this._filledTakerAmount[orderHash]; + return cachedFilledTakerAmount; + } + public setFilledTakerAmount(orderHash: string, filledTakerAmount: BigNumber): void { + this._filledTakerAmount[orderHash] = filledTakerAmount; + } + public deleteFilledTakerAmount(orderHash: string): void { + delete this._filledTakerAmount[orderHash]; + } + public async getIsCancelledAsync(orderHash: string): Promise<boolean> { + if (_.isUndefined(this._isCancelled[orderHash])) { + const isCancelled = await this._orderFilledCancelledFetcher.isOrderCancelledAsync(orderHash); + this.setIsCancelled(orderHash, isCancelled); + } + const cachedIsCancelled = this._isCancelled[orderHash]; // tslint:disable-line:boolean-naming + return cachedIsCancelled; + } + public setIsCancelled(orderHash: string, isCancelled: boolean): void { + this._isCancelled[orderHash] = isCancelled; + } + public deleteIsCancelled(orderHash: string): void { + delete this._isCancelled[orderHash]; + } + public deleteAll(): void { + this.deleteAllFilled(); + this.deleteAllIsCancelled(); + } + public deleteAllIsCancelled(): void { + this._isCancelled = {}; + } + public deleteAllFilled(): void { + this._filledTakerAmount = {}; + } + public getZRXAssetData(): string { + const zrxAssetData = this._orderFilledCancelledFetcher.getZRXAssetData(); + return zrxAssetData; + } +} |