chore: test out a dlob ignore list

src/dlob-subscriber/OrderSubscriberFiltered.ts

@@ -0,0 +1,35 @@
+import {
+	OrderSubscriber,
+	OrderSubscriberConfig,
+	UserAccount,
+} from '@drift-labs/sdk';
+
+export class OrderSubscriberFiltered extends OrderSubscriber {
+	public ignoreList: string[];
+
+	constructor(
+		config: OrderSubscriberConfig & {
+			ignoreList?: string[];
+		}
+	) {
+		super(config);
+		this.ignoreList = config.ignoreList ?? [];
+	}
+
+	override async tryUpdateUserAccount(
+		key: string,
+		dataType: 'raw' | 'decoded' | 'buffer',
+		data: string[] | UserAccount | Buffer,
+		slot: number
+	) {
+		if (!this.mostRecentSlot || slot > this.mostRecentSlot) {
+			this.mostRecentSlot = slot;
+		}
+
+		if (this.ignoreList.includes(key)) {
+			return;
+		}
+
+		super.tryUpdateUserAccount(key, dataType, data, slot);
+	}
+}