fix(common): fix undefined utxoSum nanoErgs result.

fleet-sdk · May 24, 2023 · 448c4e4 · 448c4e4
1 parent 5b3d4df
commit 448c4e4
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/packages/common/src/utils/boxUtils.spec.ts b/packages/common/src/utils/boxUtils.spec.ts
@@ -186,10 +186,13 @@ describe("UTxO sum", () => {
     ).toBe(3819n);
   });
 
-  it("Should return zero for empty arrays", () => {
+  it("Should not return undefined results for empty arrays", () => {
     expect(utxoSum([], "0cd8c9f416e5b1ca9f986a7f10a84191dfb85941619e49e53c0dc30ebf83324b")).toBe(
       0n
     );
+
+    expect(utxoSum([]).nanoErgs).toBe(0n);
+    expect(utxoSum([]).tokens).toStrictEqual([]);
   });
 
   it("Should sum all tokens and nanoErgs", () => {

diff --git a/packages/common/src/utils/boxUtils.ts b/packages/common/src/utils/boxUtils.ts
@@ -31,7 +31,7 @@ export function utxoSum(boxes: MinimalBoxAmounts, tokenId?: TokenId): BoxAmounts
   }
 
   return {
-    nanoErgs: balances[NANOERGS_TOKEN_ID],
+    nanoErgs: balances[NANOERGS_TOKEN_ID] || _0n,
     tokens: Object.keys(balances)
       .filter((x) => x !== NANOERGS_TOKEN_ID)
       .map((tokenId) => ({ tokenId, amount: balances[tokenId] }))