import { assert as sharedAssert } from '@0x/assert'; import { schemas } from '@0x/json-schemas'; import { assetDataUtils } from '@0x/order-utils'; import { AssetProxyId, ObjectMap, SignedOrder } from '@0x/types'; import * as _ from 'lodash'; import { AffiliateInfo, AssetMetaData } from '../types'; export const assert = { ...sharedAssert, isValidLiquiditySource(variableName: string, liquiditySource: string | SignedOrder[]): void { if (_.isString(liquiditySource)) { sharedAssert.isUri(variableName, liquiditySource); return; } sharedAssert.doesConformToSchema(variableName, liquiditySource, schemas.signedOrdersSchema); }, isValidAssetMetaDataMap(variableName: string, metaDataMap: ObjectMap): void { _.forEach(metaDataMap, (metaData, assetData) => { assert.isHexString(`key ${assetData} of ${variableName}`, assetData); assert.isValidAssetMetaData(`${variableName}.${assetData}`, metaData); const assetDataProxyId = assetDataUtils.decodeAssetProxyId(assetData); assert.assert( metaData.assetProxyId === assetDataProxyId, `Expected meta data for assetData ${assetData} to have asset proxy id of ${assetDataProxyId}, but instead got ${ metaData.assetProxyId }`, ); }); }, isValidAssetMetaData(variableName: string, metaData: AssetMetaData): void { assert.isHexString(`${variableName}.assetProxyId`, metaData.assetProxyId); if (!_.isUndefined(metaData.primaryColor)) { assert.isString(`${variableName}.primaryColor`, metaData.primaryColor); } if (metaData.assetProxyId === AssetProxyId.ERC20) { assert.isNumber(`${variableName}.decimals`, metaData.decimals); assert.isString(`${variableName}.symbol`, metaData.symbol); } else if (metaData.assetProxyId === AssetProxyId.ERC721) { assert.isString(`${variableName}.name`, metaData.name); assert.isUri(`${variableName}.imageUrl`, metaData.imageUrl); } }, isValidaffiliateInfo(variableName: string, affiliateInfo: AffiliateInfo): void { assert.isETHAddressHex(`${variableName}.recipientAddress`, affiliateInfo.feeRecipient); assert.isNumber(`${variableName}.percentage`, affiliateInfo.feePercentage); assert.assert( affiliateInfo.feePercentage >= 0 && affiliateInfo.feePercentage <= 0.05, `Expected ${variableName}.percentage to be between 0 and 0.05, but is ${affiliateInfo.feePercentage}`, ); }, };