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feat: filter cache

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This commit is contained in:
Filip Dunder
2024-04-27 17:18:46 +02:00
parent cb91e04d60
commit ba11c539f6
3 changed files with 40 additions and 3 deletions
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14
filters/burn.filter.ts
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@ -4,13 +4,25 @@ import { LiquidityPoolKeysV4 } from '@raydium-io/raydium-sdk';
import { logger } from '../helpers';
export class BurnFilter implements Filter {
private cachedResult: FilterResult | undefined = undefined;
constructor(private readonly connection: Connection) {}
async execute(poolKeys: LiquidityPoolKeysV4): Promise<FilterResult> {
if (this.cachedResult) {
return this.cachedResult;
}
try {
const amount = await this.connection.getTokenSupply(poolKeys.lpMint, this.connection.commitment);
const burned = amount.value.uiAmount === 0;
return { ok: burned, message: burned ? undefined : "Burned -> Creator didn't burn LP" };
const result = { ok: burned, message: burned ? undefined : "Burned -> Creator didn't burn LP" };
if (result.ok) {
this.cachedResult = result;
}
return result;
} catch (e: any) {
if (e.code == -32602) {
return { ok: true };