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| author | Fabio Berger <me@fabioberger.com> | 2018-09-28 19:08:12 +0800 |
|---|---|---|
| committer | Fabio Berger <me@fabioberger.com> | 2018-09-28 19:08:12 +0800 |
| commit | ba7de7204d29d4004c347190be7a3b8c84951b82 (patch) | |
| tree | 9dddbd1ded45484a6cb968cdf799bf5ce991477b /packages/asset-buyer/src/utils/assert.ts | |
| parent | f3ad64aa1c2930affbfd074316b5f407580b7523 (diff) | |
| parent | a737cfa004ee1dc18be935f61fb9c289ed5623fd (diff) | |
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merge development
Diffstat (limited to 'packages/asset-buyer/src/utils/assert.ts')
| -rw-r--r-- | packages/asset-buyer/src/utils/assert.ts | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/packages/asset-buyer/src/utils/assert.ts b/packages/asset-buyer/src/utils/assert.ts new file mode 100644 index 000000000..04f425237 --- /dev/null +++ b/packages/asset-buyer/src/utils/assert.ts @@ -0,0 +1,51 @@ +import { assert as sharedAssert } from '@0xproject/assert'; +import { schemas } from '@0xproject/json-schemas'; +import { SignedOrder } from '@0xproject/types'; +import * as _ from 'lodash'; + +import { BuyQuote, OrderProvider, OrderProviderRequest } from '../types'; + +export const assert = { + ...sharedAssert, + isValidBuyQuote(variableName: string, buyQuote: BuyQuote): void { + sharedAssert.isHexString(`${variableName}.assetData`, buyQuote.assetData); + sharedAssert.doesConformToSchema(`${variableName}.orders`, buyQuote.orders, schemas.signedOrdersSchema); + sharedAssert.doesConformToSchema(`${variableName}.feeOrders`, buyQuote.feeOrders, schemas.signedOrdersSchema); + sharedAssert.isBigNumber(`${variableName}.minRate`, buyQuote.minRate); + sharedAssert.isBigNumber(`${variableName}.maxRate`, buyQuote.maxRate); + sharedAssert.isBigNumber(`${variableName}.assetBuyAmount`, buyQuote.assetBuyAmount); + if (!_.isUndefined(buyQuote.feePercentage)) { + sharedAssert.isNumber(`${variableName}.feePercentage`, buyQuote.feePercentage); + } + }, + isValidOrderProvider(variableName: string, orderFetcher: OrderProvider): void { + sharedAssert.isFunction(`${variableName}.getOrdersAsync`, orderFetcher.getOrdersAsync); + }, + isValidOrderProviderRequest(variableName: string, orderFetcherRequest: OrderProviderRequest): void { + sharedAssert.isHexString(`${variableName}.makerAssetData`, orderFetcherRequest.makerAssetData); + sharedAssert.isHexString(`${variableName}.takerAssetData`, orderFetcherRequest.takerAssetData); + sharedAssert.isNumber(`${variableName}.networkId`, orderFetcherRequest.networkId); + }, + areValidProvidedOrders(variableName: string, orders: SignedOrder[]): void { + if (orders.length === 0) { + return; + } + const makerAssetData = orders[0].makerAssetData; + const takerAssetData = orders[0].takerAssetData; + const filteredOrders = _.filter( + orders, + order => order.makerAssetData === makerAssetData && order.takerAssetData === takerAssetData, + ); + sharedAssert.assert( + orders.length === filteredOrders.length, + `Expected all orders in ${variableName} to have the same makerAssetData and takerAssetData.`, + ); + }, + isValidPercentage(variableName: string, percentage: number): void { + assert.isNumber(variableName, percentage); + assert.assert( + percentage >= 0 && percentage <= 1, + `Expected ${variableName} to be between 0 and 1, but is ${percentage}`, + ); + }, +}; |