feat: add BaseBlockDataProvider

Signed-off-by: Anmol Sharma <anmolsharma0234@gmail.com>

src/block-data-providers/base-block-data-provider.abstract.ts

@@ -0,0 +1,28 @@
+import { CommandBus } from '@nestjs/cqrs';
+import {
+    IndexTransactionCommand,
+    TransactionInput,
+    TransactionOutput,
+} from '@/commands/index-transaction.command';
+
+export abstract class BaseBlockDataProvider {
+    protected constructor(private readonly commandBus: CommandBus) {}
+
+    async indexTransaction(
+        txid: string,
+        vin: TransactionInput[],
+        vout: TransactionOutput[],
+        blockHeight: number,
+        blockHash: string,
+    ): Promise<void> {
+        await this.commandBus.execute(
+            new IndexTransactionCommand(
+                txid,
+                vin,
+                vout,
+                blockHeight,
+                blockHash,
+            ),
+        );
+    }
+}