fix: getResourcesToSpend should default to 1 when amount < 1 (FuelLabs#1603)

Author: nedsalk

.changeset/long-ways-rule.md

@@ -0,0 +1,5 @@
+---
+"@fuel-ts/providers": patch
+---
+
+bugfix when amount of requested resources to spend is less than 1

packages/providers/src/coin-quantity.ts

@@ -24,9 +24,10 @@ export const coinQuantityfy = (coinQuantityLike: CoinQuantityLike): CoinQuantity
     max = coinQuantityLike.max ?? undefined;
   }
 
+  const bnAmount = bn(amount);
   return {
     assetId: hexlify(assetId),
-    amount: bn(amount),
+    amount: bnAmount.toNumber() < 1 ? bn(1) : bnAmount,
     max: max ? bn(max) : undefined,
   };
 };

packages/providers/src/coin-quantityfy.test.ts

@@ -0,0 +1,9 @@
+import { coinQuantityfy } from './coin-quantity';
+
+describe('coinQuantityfy', () => {
+  it('should returns 1 when input is < 1', () => {
+    expect(coinQuantityfy([0]).amount.toNumber()).toEqual(1);
+    expect(coinQuantityfy([0.9]).amount.toNumber()).toEqual(1);
+    expect(coinQuantityfy([2]).amount.toNumber()).toEqual(2);
+  });
+});

packages/wallet/src/account.test.ts

@@ -103,6 +103,20 @@ describe('Account', () => {
     // #endregion Message-getResourcesToSpend
   });
 
+  it('getResourcesToSpend should work with <1 amount', async () => {
+    const account = new Account(
+      '0x09c0b2d1a486c439a87bcba6b46a7a1a23f3897cc83a94521a96da5c23bc58db',
+      provider
+    );
+    const resourcesToSpend = await account.getResourcesToSpend([
+      {
+        amount: 0.9,
+        assetId: '0x0101010101010101010101010101010101010101010101010101010101010101',
+      },
+    ]);
+    expect(resourcesToSpend[0].amount.gte(1)).toBeTruthy();
+  });
+
   it('should get messages just fine', async () => {
     const account = new Account(
       '0x69a2b736b60159b43bb8a4f98c0589f6da5fa3a3d101e8e269c499eb942753ba',