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

import { Connection } from "@solana/web3.js";
import { LiquidityPoolKeysV4, Token, TokenAmount } from "@raydium-io/raydium-sdk";
import { getMetadataAccountDataSerializer } from "@metaplex-foundation/mpl-token-metadata";
import { BurnFilter } from "./burn.filter";
import { MutableFilter } from "./mutable.filter";
import { RenouncedFreezeFilter } from "./renounced.filter";
import { PoolSizeFilter } from "./pool-size.filter";
import {
	CHECK_IF_BURNED,
	CHECK_IF_FREEZABLE,
	CHECK_IF_MINT_IS_RENOUNCED,
	CHECK_IF_MUTABLE,
	CHECK_IF_SOCIALS,
	logger,
} from "../helpers";

export interface Filter {
	execute(poolKeysV4: LiquidityPoolKeysV4): Promise<FilterResult>;
}

export interface FilterResult {
	ok: boolean;
	message?: string;
}

export interface PoolFilterArgs {
	minPoolSize: TokenAmount;
	maxPoolSize: TokenAmount;
	quoteToken: Token;
}

export class PoolFilters {
	private readonly filters: Filter[] = [];

	constructor(
		readonly connection: Connection,
		readonly args: PoolFilterArgs,
	) {
		if (CHECK_IF_BURNED) {
			this.filters.push(new BurnFilter(connection));
		}

		if (CHECK_IF_MINT_IS_RENOUNCED || CHECK_IF_FREEZABLE) {
			this.filters.push(new RenouncedFreezeFilter(connection, CHECK_IF_MINT_IS_RENOUNCED, CHECK_IF_FREEZABLE));
		}

		if (CHECK_IF_MUTABLE || CHECK_IF_SOCIALS) {
			this.filters.push(
				new MutableFilter(connection, getMetadataAccountDataSerializer(), CHECK_IF_MUTABLE, CHECK_IF_SOCIALS),
			);
		}

		if (!args.minPoolSize.isZero() || !args.maxPoolSize.isZero()) {
			this.filters.push(new PoolSizeFilter(connection, args.quoteToken, args.minPoolSize, args.maxPoolSize));
		}
	}

	public async execute(poolKeys: LiquidityPoolKeysV4): Promise<boolean> {
		if (this.filters.length === 0) {
			return true;
		}

		const result = await Promise.all(this.filters.map((f) => f.execute(poolKeys)));
		const pass = result.every((r) => r.ok);

		if (pass) {
			return true;
		}

		for (const filterResult of result.filter((r) => !r.ok)) {
			logger.trace(filterResult.message);
		}

		return false;
	}
}