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type { AccountsControllerGetSelectedAccountAction } from '@metamask/accounts-controller';\nimport type { ApprovalControllerAddRequestAction } from '@metamask/approval-controller';\nimport { BaseController } from '@metamask/base-controller';\nimport type {\n ControllerGetStateAction,\n ControllerStateChangeEvent,\n} from '@metamask/base-controller';\nimport {\n toChecksumHexAddress,\n ChainId,\n NFT_API_BASE_URL,\n NFT_API_VERSION,\n convertHexToDecimal,\n handleFetch,\n} from '@metamask/controller-utils';\nimport type { Messenger } from '@metamask/messenger';\nimport type {\n NetworkClient,\n NetworkControllerFindNetworkClientIdByChainIdAction,\n NetworkControllerGetNetworkClientByIdAction,\n NetworkControllerGetStateAction,\n NetworkControllerStateChangeEvent,\n} from '@metamask/network-controller';\nimport type {\n PreferencesControllerGetStateAction,\n PreferencesControllerStateChangeEvent,\n PreferencesState,\n} from '@metamask/preferences-controller';\nimport { createDeferredPromise } from '@metamask/utils';\nimport type { Hex } from '@metamask/utils';\n\nimport { Source } from './constants';\nimport type {\n NftController,\n NftControllerState,\n NftMetadata,\n} from './NftController';\n\nconst controllerName = 'NftDetectionController';\n\nexport type NFTDetectionControllerState = Record;\n\nexport type AllowedActions =\n | ControllerGetStateAction\n | ApprovalControllerAddRequestAction\n | NetworkControllerGetStateAction\n | NetworkControllerGetNetworkClientByIdAction\n | PreferencesControllerGetStateAction\n | AccountsControllerGetSelectedAccountAction\n | NetworkControllerFindNetworkClientIdByChainIdAction;\n\nexport type AllowedEvents =\n | ControllerStateChangeEvent<\n typeof controllerName,\n NFTDetectionControllerState\n >\n | PreferencesControllerStateChangeEvent\n | NetworkControllerStateChangeEvent;\n\nexport type NftDetectionControllerMessenger = Messenger<\n typeof controllerName,\n AllowedActions,\n AllowedEvents\n>;\n\n/**\n * @type ApiNft\n *\n * NFT object coming from OpenSea api\n *\n * @property token_id - The NFT identifier\n * @property num_sales - Number of sales\n * @property background_color - The background color to be displayed with the item\n * @property image_url - URI of an image associated with this NFT\n *\n * @property image_preview_url - URI of a smaller image associated with this NFT\n * @property image_thumbnail_url - URI of a thumbnail image associated with this NFT\n * @property image_original_url - URI of the original image associated with this NFT\n * @property animation_url - URI of a animation associated with this NFT\n * @property animation_original_url - URI of the original animation associated with this NFT\n * @property name - The NFT name\n * @property description - The NFT description\n * @property external_link - External link containing additional information\n * @property assetContract - The NFT contract information object\n * @property creator - The NFT owner information object\n * @property lastSale - When this item was last sold\n */\n/* eslint-disable @typescript-eslint/naming-convention */\nexport type ApiNft = {\n token_id: string;\n num_sales: number | null;\n background_color: string | null;\n image_url: string | null;\n image_preview_url: string | null;\n image_thumbnail_url: string | null;\n image_original_url: string | null;\n animation_url: string | null;\n animation_original_url: string | null;\n name: string | null;\n description: string | null;\n external_link: string | null;\n asset_contract: ApiNftContract;\n creator: ApiNftCreator;\n last_sale: ApiNftLastSale | null;\n};\n/* eslint-enable @typescript-eslint/naming-convention */\n\n/**\n * @type ApiNftContract\n *\n * NFT contract object coming from OpenSea api\n *\n * @property address - Address of the NFT contract\n * @property asset_contract_type - The NFT type, it could be `semi-fungible` or `non-fungible`\n * @property created_date - Creation date\n * @property collection - Object containing the contract name and URI of an image associated\n * @property schema_name - The schema followed by the contract, it could be `ERC721` or `ERC1155`\n * @property symbol - The NFT contract symbol\n * @property total_supply - Total supply of NFTs\n * @property description - The NFT contract description\n * @property external_link - External link containing additional information\n */\n/* eslint-disable @typescript-eslint/naming-convention */\nexport type ApiNftContract = {\n address: string;\n asset_contract_type: string | null;\n created_date: string | null;\n schema_name: string | null;\n symbol: string | null;\n total_supply: string | null;\n description: string | null;\n external_link: string | null;\n collection: {\n name: string | null;\n image_url?: string | null;\n tokenCount?: string | null;\n };\n};\n/* eslint-enable @typescript-eslint/naming-convention */\n\n/**\n * @type ApiNftLastSale\n *\n * NFT sale object coming from OpenSea api\n *\n * @property event_timestamp - Object containing a `username`\n * @property total_price - URI of NFT image associated with this owner\n * @property transaction - Object containing transaction_hash and block_hash\n */\n/* eslint-disable @typescript-eslint/naming-convention */\nexport type ApiNftLastSale = {\n event_timestamp: string;\n total_price: string;\n transaction: { transaction_hash: string; block_hash: string };\n};\n/* eslint-enable @typescript-eslint/naming-convention */\n\n/**\n * @type ApiNftCreator\n *\n * NFT creator object coming from OpenSea api\n *\n * @property user - Object containing a `username`\n * @property profile_img_url - URI of NFT image associated with this owner\n * @property address - The owner address\n */\n/* eslint-disable @typescript-eslint/naming-convention */\nexport type ApiNftCreator = {\n user: { username: string };\n profile_img_url: string;\n address: string;\n};\n/* eslint-enable @typescript-eslint/naming-convention */\n\nexport type ReservoirResponse = {\n tokens: TokensResponse[];\n continuation?: string | null;\n};\n\nexport type TokensResponse = {\n token: TokenResponse;\n ownership: Ownership;\n market?: Market;\n blockaidResult?: Blockaid;\n};\n\nexport enum BlockaidResultType {\n Benign = 'Benign',\n Spam = 'Spam',\n Warning = 'Warning',\n Malicious = 'Malicious',\n}\n\n/* eslint-disable @typescript-eslint/naming-convention */\nexport type Blockaid = {\n contract: string;\n chainId: number;\n result_type: BlockaidResultType;\n malicious_score: string;\n attack_types: object;\n};\n/* eslint-enable @typescript-eslint/naming-convention */\n\nexport type Market = {\n floorAsk?: FloorAsk;\n topBid?: TopBid;\n};\n\nexport type TokenResponse = {\n chainId: number;\n contract: string;\n tokenId: string;\n kind?: string;\n name?: string;\n image?: string;\n imageSmall?: string;\n imageLarge?: string;\n metadata?: Metadata;\n description?: string;\n supply?: number;\n remainingSupply?: number;\n rarityScore?: number;\n rarity?: number;\n rarityRank?: number;\n media?: string;\n isFlagged?: boolean;\n isSpam?: boolean;\n isNsfw?: boolean;\n metadataDisabled?: boolean;\n lastFlagUpdate?: string;\n lastFlagChange?: string;\n collection?: Collection;\n lastSale?: LastSale;\n topBid?: TopBid;\n lastAppraisalValue?: number;\n attributes?: Attributes[];\n};\n\nexport type TopBid = {\n id?: string;\n price?: Price;\n source?: {\n id?: string;\n domain?: string;\n name?: string;\n icon?: string;\n url?: string;\n };\n};\n\nexport type LastSale = {\n saleId?: string;\n token?: {\n contract?: string;\n tokenId?: string;\n name?: string;\n image?: string;\n collection?: {\n id?: string;\n name?: string;\n };\n };\n orderSource?: string;\n orderSide?: 'ask' | 'bid';\n orderKind?: string;\n orderId?: string;\n from?: string;\n to?: string;\n amount?: string;\n fillSource?: string;\n block?: number;\n txHash?: string;\n logIndex?: number;\n batchIndex?: number;\n timestamp?: number;\n price?: Price;\n washTradingScore?: number;\n royaltyFeeBps?: number;\n marketplaceFeeBps?: number;\n paidFullRoyalty?: boolean;\n feeBreakdown?: FeeBreakdown[];\n isDeleted?: boolean;\n createdAt?: string;\n updatedAt?: string;\n};\n\nexport type FeeBreakdown = {\n kind?: string;\n bps?: number;\n recipient?: string;\n source?: string;\n rawAmount?: string;\n};\n\nexport type Attributes = {\n key?: string;\n kind?: string;\n value: string;\n tokenCount?: number;\n onSaleCount?: number;\n floorAskPrice?: Price | null;\n topBidValue?: number | null;\n createdAt?: string;\n};\n\nexport type GetCollectionsResponse = {\n collections: CollectionResponse[];\n};\n\nexport type CollectionResponse = {\n id?: string;\n chainId?: number;\n openseaVerificationStatus?: string;\n contractDeployedAt?: string;\n creator?: string;\n ownerCount?: string;\n topBid?: TopBid & {\n sourceDomain?: string;\n };\n};\n\nexport type FloorAskCollection = {\n id?: string;\n price?: Price;\n maker?: string;\n kind?: string;\n validFrom?: number;\n validUntil?: number;\n source?: SourceCollection;\n rawData?: Metadata;\n isNativeOffChainCancellable?: boolean;\n};\n\nexport type SourceCollection = {\n id: string;\n domain: string;\n name: string;\n icon: string;\n url: string;\n};\n\nexport type TokenCollection = {\n id?: string;\n name?: string;\n slug?: string;\n symbol?: string;\n imageUrl?: string;\n image?: string;\n isSpam?: boolean;\n isNsfw?: boolean;\n creator?: string;\n tokenCount?: string;\n metadataDisabled?: boolean;\n openseaVerificationStatus?: string;\n floorAskPrice?: Price;\n royaltiesBps?: number;\n royalties?: Royalties[];\n floorAsk?: FloorAskCollection;\n};\n\nexport type Collection = TokenCollection & CollectionResponse;\n\nexport type Royalties = {\n bps?: number;\n recipient?: string;\n};\n\nexport type Ownership = {\n tokenCount?: string;\n onSaleCount?: string;\n floorAsk?: FloorAsk;\n acquiredAt?: string;\n};\n\nexport type FloorAsk = {\n id?: string;\n price?: Price;\n maker?: string;\n kind?: string;\n validFrom?: number;\n validUntil?: number;\n source?: Source;\n rawData?: Metadata;\n isNativeOffChainCancellable?: boolean;\n};\n\nexport type Price = {\n currency?: {\n contract?: string;\n name?: string;\n symbol?: string;\n decimals?: number;\n chainId?: number;\n };\n amount?: {\n raw?: string;\n decimal?: number;\n usd?: number;\n native?: number;\n };\n netAmount?: {\n raw?: string;\n decimal?: number;\n usd?: number;\n native?: number;\n };\n};\n\nexport type Metadata = {\n imageOriginal?: string;\n tokenURI?: string;\n};\n\n/**\n * Controller that passively detects nfts for a user address\n */\nexport class NftDetectionController extends BaseController<\n typeof controllerName,\n NFTDetectionControllerState,\n NftDetectionControllerMessenger\n> {\n #disabled: boolean;\n\n readonly #addNfts: NftController['addNfts'];\n\n readonly #getNftState: () => NftControllerState;\n\n #inProcessNftFetchingUpdates: Record<`${string}:${string}`, Promise>;\n\n /**\n * The controller options\n *\n * @param options - The controller options.\n * @param options.messenger - A reference to the messaging system.\n * @param options.disabled - Represents previous value of useNftDetection. Used to detect changes of useNftDetection. Default value is true.\n * @param options.addNfts - Add multiple NFTs.\n * @param options.getNftState - Gets the current state of the Assets controller.\n */\n constructor({\n messenger,\n disabled = false,\n addNfts,\n getNftState,\n }: {\n messenger: NftDetectionControllerMessenger;\n disabled: boolean;\n addNfts: NftController['addNfts'];\n getNftState: () => NftControllerState;\n }) {\n super({\n name: controllerName,\n messenger,\n metadata: {},\n state: {},\n });\n this.#disabled = disabled;\n this.#inProcessNftFetchingUpdates = {};\n\n this.#getNftState = getNftState;\n this.#addNfts = addNfts;\n\n this.messenger.subscribe(\n 'PreferencesController:stateChange',\n this.#onPreferencesControllerStateChange.bind(this),\n );\n }\n\n /**\n * Checks whether network is mainnet or not.\n *\n * @returns Whether current network is mainnet.\n */\n isMainnet(): boolean {\n const { selectedNetworkClientId } = this.messenger.call(\n 'NetworkController:getState',\n );\n const {\n configuration: { chainId },\n } = this.messenger.call(\n 'NetworkController:getNetworkClientById',\n selectedNetworkClientId,\n );\n return chainId === ChainId.mainnet;\n }\n\n isMainnetByNetworkClientId(networkClient: NetworkClient): boolean {\n return networkClient.configuration.chainId === ChainId.mainnet;\n }\n\n /**\n * Handles the state change of the preference controller.\n *\n * @param preferencesState - The new state of the preference controller.\n * @param preferencesState.useNftDetection - Boolean indicating user preference on NFT detection.\n */\n #onPreferencesControllerStateChange({\n useNftDetection,\n }: PreferencesState): void {\n if (!useNftDetection !== this.#disabled) {\n this.#disabled = !useNftDetection;\n }\n }\n\n #getOwnerNftApi({\n chainIds,\n address,\n next,\n }: {\n chainIds: string[];\n address: string;\n next?: string;\n }): string {\n // from chainIds construct a string of chainIds that can be used like chainIds=1&chainIds=56\n const chainIdsString = chainIds.join('&chainIds=');\n return `${\n NFT_API_BASE_URL as string\n }/users/${address}/tokens?chainIds=${chainIdsString}&limit=50&includeTopBid=true&continuation=${next ?? ''}`;\n }\n\n async #getOwnerNfts(\n address: string,\n chainIds: Hex[],\n cursor: string | undefined,\n ): Promise {\n // Convert hex chainId to number\n const convertedChainIds = chainIds.map((chainId) =>\n convertHexToDecimal(chainId).toString(),\n );\n\n const filteredChainIds = convertedChainIds.filter(\n (chainId) => chainId !== '0',\n );\n\n // Avoid making the API call for non-EVM chains\n if (filteredChainIds.length === 0) {\n return {\n tokens: [],\n continuation: null,\n };\n }\n\n const url = this.#getOwnerNftApi({\n chainIds: filteredChainIds,\n address,\n next: cursor,\n });\n const nftApiResponse: ReservoirResponse = await handleFetch(url, {\n headers: {\n Version: NFT_API_VERSION,\n },\n });\n return nftApiResponse;\n }\n\n /**\n * Triggers asset ERC721 token auto detection on mainnet. Any newly detected NFTs are\n * added.\n *\n * @param chainIds - The chain IDs to detect NFTs on.\n * @param options - Options bag.\n * @param options.userAddress - The address to detect NFTs for.\n * @param options.firstPageOnly - Whether to only detect the first page of NFTs.\n * @param options.signal - An optional abort signal to cancel the operation.\n */\n async detectNfts(\n chainIds: Hex[],\n options?: {\n userAddress?: string;\n firstPageOnly?: boolean;\n signal?: AbortSignal;\n },\n ): Promise {\n const userAddress =\n options?.userAddress ??\n this.messenger.call('AccountsController:getSelectedAccount').address;\n\n /* istanbul ignore if */\n if (chainIds.length === 0 || this.#disabled) {\n return;\n }\n /* istanbul ignore else */\n if (!userAddress) {\n return;\n }\n // create a string of all chainIds\n const chainIdsString = chainIds.join(',');\n\n const updateKey: `${string}:${string}` = `${chainIdsString}:${userAddress}`;\n if (updateKey in this.#inProcessNftFetchingUpdates) {\n // This prevents redundant updates\n // This promise is resolved after the in-progress update has finished,\n // and state has been updated.\n await this.#inProcessNftFetchingUpdates[updateKey];\n return;\n }\n\n const {\n promise: inProgressUpdate,\n resolve: updateSucceeded,\n reject: updateFailed,\n } = createDeferredPromise({ suppressUnhandledRejection: true });\n this.#inProcessNftFetchingUpdates[updateKey] = inProgressUpdate;\n\n let next;\n let apiNfts: TokensResponse[] = [];\n let resultNftApi: ReservoirResponse;\n try {\n do {\n resultNftApi = await this.#getOwnerNfts(userAddress, chainIds, next);\n apiNfts = resultNftApi.tokens.filter(\n (elm) =>\n elm.token.isSpam === false &&\n (elm.blockaidResult?.result_type\n ? elm.blockaidResult?.result_type === BlockaidResultType.Benign\n : true),\n );\n\n // Proceed to add NFTs\n const nftsToAdd = apiNfts\n .map((nft) => {\n const {\n tokenId,\n contract,\n kind,\n image: imageUrl,\n imageSmall: imageThumbnailUrl,\n metadata,\n name,\n description,\n attributes,\n topBid,\n lastSale,\n rarityRank,\n rarityScore,\n collection,\n chainId,\n } = nft.token;\n\n // Use a fallback if metadata is null\n const { imageOriginal: imageOriginalUrl } = metadata ?? {};\n\n let ignored;\n /* istanbul ignore else */\n const { ignoredNfts } = this.#getNftState();\n if (ignoredNfts.length) {\n ignored = ignoredNfts.find((ignoredNft) => {\n /* istanbul ignore next */\n return (\n ignoredNft.address === toChecksumHexAddress(contract) &&\n ignoredNft.tokenId === tokenId\n );\n });\n }\n\n /* istanbul ignore else */\n if (!ignored) {\n /* istanbul ignore next */\n const nftMetadata: NftMetadata & { chainId: number } =\n Object.assign(\n {},\n { name },\n description && { description },\n imageUrl && { image: imageUrl },\n imageThumbnailUrl && { imageThumbnail: imageThumbnailUrl },\n imageOriginalUrl && { imageOriginal: imageOriginalUrl },\n kind && { standard: kind.toUpperCase() },\n lastSale && { lastSale },\n attributes && { attributes },\n topBid && { topBid },\n rarityRank && { rarityRank },\n rarityScore && { rarityScore },\n collection && { collection },\n chainId && { chainId },\n );\n\n return {\n tokenAddress: contract,\n tokenId,\n nftMetadata,\n };\n }\n return undefined;\n })\n .filter((nft): nft is NonNullable => nft !== undefined);\n\n await this.#addNfts(nftsToAdd, userAddress, Source.Detected);\n } while (\n (next = resultNftApi.continuation) &&\n !options?.firstPageOnly &&\n !options?.signal?.aborted\n );\n updateSucceeded();\n } catch (error) {\n updateFailed(error);\n throw error;\n } finally {\n delete this.#inProcessNftFetchingUpdates[updateKey];\n }\n }\n}\n\nexport default NftDetectionController;\n"]}