solana-sniper-bot/cache/pool.cache.ts

import { LiquidityStateV4 } from "@raydium-io/raydium-sdk";
import { logger } from "../helpers";

export class PoolCache {
	private readonly keys: Map<string, { id: string; state: LiquidityStateV4 }> = new Map<
		string,
		{ id: string; state: LiquidityStateV4 }
	>();

	public save(id: string, state: LiquidityStateV4) {
		if (!this.keys.has(state.baseMint.toString())) {
			logger.trace(`Caching new pool for mint: ${state.baseMint.toString()}`);
			this.keys.set(state.baseMint.toString(), { id, state });
		}
	}

	public async get(mint: string): Promise<{ id: string; state: LiquidityStateV4 }> {
		return this.keys.get(mint)!;
	}
}