@ceramicnetwork/core/lib/store/ipld-records-cache.js

Typescript implementation of the Ceramic protocol

import { LRUCache } from 'least-recent';
import { CodenameContainer } from 'cartonne';
export const IPFS_CACHE_HIT = 'ipfs_cache_hit';
export const IPFS_CACHE_MISS = 'ipfs_cache_miss';
export class IPLDRecordsCache {
    constructor(capacity) {
        this.cache = new LRUCache(capacity);
        this.codecs = new CodenameContainer('codecs');
    }
    set(cid, entry) {
        this.cache.set(cid.toString(), entry);
    }
    setRecord(cid, record) {
        if (this.cache.has(cid.toString()))
            return;
        const codec = this.codecs.get(cid.code);
        this.cache.set(cid.toString(), {
            record: record,
            block: codec.encode(record),
        });
    }
    setBlock(cid, bytes) {
        if (this.cache.has(cid.toString()))
            return;
        const codec = this.codecs.get(cid.code);
        this.cache.set(cid.toString(), {
            record: codec.decode(bytes),
            block: bytes,
        });
    }
    get(cid) {
        return this.cache.get(cid.toString());
    }
    setWithResolutionPath(query, entry) {
        this.cache.set(query, entry);
    }
    getWithResolutionPath(query) {
        return this.cache.get(query);
    }
}
//# sourceMappingURL=ipld-records-cache.js.map