@xspswap/smart-order-router
Version:
XSwap Protocol V3 Smart Order Router
34 lines • 2.32 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CachingV3SubgraphProvider = void 0;
/**
* Provider for getting V3 pools, with functionality for caching the results.
*
* @export
* @class CachingV3SubgraphProvider
*/
class CachingV3SubgraphProvider {
/**
* Creates an instance of CachingV3SubgraphProvider.
* @param chainId The chain id to use.
* @param subgraphProvider The provider to use to get the subgraph pools when not in the cache.
* @param cache Cache instance to hold cached pools.
*/
constructor(chainId, subgraphProvider, cache) {
this.chainId = chainId;
this.subgraphProvider = subgraphProvider;
this.cache = cache;
this.SUBGRAPH_KEY = (chainId) => `subgraph-pools-${chainId}`;
}
async getPools() {
const cachedPools = await this.cache.get(this.SUBGRAPH_KEY(this.chainId));
if (cachedPools) {
return cachedPools;
}
const pools = await this.subgraphProvider.getPools();
await this.cache.set(this.SUBGRAPH_KEY(this.chainId), pools);
return pools;
}
}
exports.CachingV3SubgraphProvider = CachingV3SubgraphProvider;
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