p-sdk-wallet/dist/services/nft/MetadataResolver.d.ts

A comprehensive wallet SDK for React Native (pwc), supporting multi-chain and multi-account features.

import { NFTMetadata } from '../../types/nft';
/**
 * Service for resolving NFT metadata from various sources (IPFS, HTTP)
 */
export declare class MetadataResolver {
    private static readonly IPFS_GATEWAYS;
    private static readonly CACHE_DURATION;
    private static metadataCache;
    /**
     * Resolves metadata from a URI (IPFS or HTTP)
     * @param uri - The metadata URI to resolve
     * @returns Promise resolving to NFT metadata
     */
    resolveMetadata(uri: string): Promise<NFTMetadata>;
    /**
     * Resolves IPFS URI to HTTP URL using multiple gateways
     * @param ipfsUri - IPFS URI (ipfs://...)
     * @returns Promise resolving to HTTP URL
     */
    private resolveIPFS;
    /**
     * Fetches metadata from HTTP URL
     * @param url - HTTP URL to fetch metadata from
     * @returns Promise resolving to NFT metadata
     */
    private fetchMetadata;
    /**
     * Parses raw metadata into standardized format
     * @param rawData - Raw metadata from contract
     * @returns Parsed NFT metadata
     */
    private parseMetadata;
    /**
     * Gets cached metadata if available and not expired
     * @param uri - Metadata URI
     * @returns Cached metadata or null if not found/expired
     */
    private getCachedMetadata;
    /**
     * Caches metadata for future use
     * @param uri - Metadata URI
     * @param metadata - Metadata to cache
     */
    private cacheMetadata;
    /**
     * Clears the metadata cache
     */
    static clearCache(): void;
    /**
     * Gets cache statistics
     * @returns Cache statistics
     */
    static getCacheStats(): {
        size: number;
        entries: number;
    };
}