fixup! feat: enable blockfrost enabled e2e tests

Author: ginnun

packages/cardano-services/src/util/BlockfrostProvider/BlockfrostToCore.ts

@@ -1,5 +1,6 @@
 import { Cardano } from '@cardano-sdk/core';
 import { Responses } from '@blockfrost/blockfrost-js';
+import { Value } from '@cardano-sdk/core/dist/cjs/Cardano';
 
 type Unpacked<T> = T extends (infer U)[] ? U : T;
 type BlockfrostAddressUtxoContent = Responses['address_utxo_content'];
@@ -105,17 +106,21 @@ export const BlockfrostToCore = {
   }),
 
   txOut: (blockfrost: BlockfrostOutput): Cardano.TxOut => {
+    const value: Cardano.Value = {
+      coins: BigInt(blockfrost.amount.find(({ unit }) => unit === 'lovelace')!.quantity)
+    };
+
     const assets: Cardano.TokenMap = new Map();
     for (const { quantity, unit } of blockfrost.amount) {
       if (unit === 'lovelace') continue;
       assets.set(Cardano.AssetId(unit), BigInt(quantity));
     }
+
+    if (assets.size > 0) value.assets = assets;
+
     return {
       address: Cardano.PaymentAddress(blockfrost.address),
-      value: {
-        assets: assets.size > 0 ? assets : undefined,
-        coins: BigInt(blockfrost.amount.find(({ unit }) => unit === 'lovelace')!.quantity)
-      }
+      value
     };
   }
 };