//#region extensions/crypto/src/services/nft-service.d.ts
/**
 * NFT Service — Reservoir API client for NFT operations.
 *
 * Supports:
 *   - Collection floor prices and metadata
 *   - Token viewing and metadata resolution
 *   - Portfolio listing (user's NFTs)
 *   - Buy/list/offer execution via Reservoir order flow
 *   - Transfer via standard ERC-721 safeTransferFrom
 *
 * Uses Reservoir API (covers OpenSea, Blur, LooksRare marketplaces).
 * Requires RESERVOIR_API_KEY env var (free tier: 4 req/sec).
 */
interface NftToken {
  contract: string;
  tokenId: string;
  name: string | null;
  description: string | null;
  image: string | null;
  collection: string | null;
  owner: string | null;
  lastSalePrice: string | null;
  rarity: number | null;
  attributes: Array<{
    key: string;
    value: string;
  }>;
  chain: string;
}
interface NftCollection {
  id: string;
  name: string;
  image: string | null;
  floorPrice: string | null;
  floorPriceCurrency: string;
  volume24h: string | null;
  totalSupply: number | null;
  ownerCount: number | null;
  chain: string;
}
interface NftPortfolioItem {
  contract: string;
  tokenId: string;
  name: string | null;
  image: string | null;
  collection: string | null;
  floorPrice: string | null;
  lastSalePrice: string | null;
  acquiredAt: string | null;
}
interface NftBuyResult {
  status: string;
  orderId: string | null;
  txData: {
    to: string;
    data: string;
    value: string;
  } | null;
  price: string | null;
  marketplace: string | null;
}
interface NftListResult {
  status: string;
  orderId: string | null;
  steps: any[];
}
declare const ERC721_TRANSFER_ABI: readonly [{
  readonly name: "safeTransferFrom";
  readonly inputs: readonly [{
    readonly name: "from";
    readonly type: "address";
  }, {
    readonly name: "to";
    readonly type: "address";
  }, {
    readonly name: "tokenId";
    readonly type: "uint256";
  }];
  readonly outputs: readonly [];
  readonly stateMutability: "nonpayable";
  readonly type: "function";
}, {
  readonly name: "ownerOf";
  readonly inputs: readonly [{
    readonly name: "tokenId";
    readonly type: "uint256";
  }];
  readonly outputs: readonly [{
    readonly name: "";
    readonly type: "address";
  }];
  readonly stateMutability: "view";
  readonly type: "function";
}];
declare class NftService {
  private metadataCache;
  private readonly CACHE_TTL;
  getApiKey(): string | null;
  private getApiBase;
  private reservoirFetch;
  getToken(contract: string, tokenId: string, chainId?: number): Promise<NftToken>;
  getCollectionFloor(collectionIdOrSlug: string, chainId?: number): Promise<NftCollection>;
  getPortfolio(ownerAddress: string, chainId?: number, limit?: number): Promise<NftPortfolioItem[]>;
  getBuyOrder(contract: string, tokenId: string, takerAddress: string, chainId?: number): Promise<NftBuyResult>;
  getListOrder(contract: string, tokenId: string, makerAddress: string, priceWei: string, chainId?: number, expirationDays?: number): Promise<NftListResult>;
}
declare function getNftService(): NftService;
declare function resetNftService(): void;
//#endregion
export { ERC721_TRANSFER_ABI, NftBuyResult, NftCollection, NftListResult, NftPortfolioItem, NftService, NftToken, getNftService, resetNftService };
//# sourceMappingURL=nft-service.d.mts.map