Update test-coin.ts

packages/account/src/test-utils/test-coin.ts

@@ -0,0 +1,25 @@
+import { Coin } from '@fuel-ts/account';
+import { bn } from '@fuel-ts/math';
+import { getRandomB256 } from '@fuel-ts/crypto';
+
+export class TestCoin {
+  /**
+   * Creates a single test coin with given parameters
+   */
+  static create(params: Partial<Coin> = {}): Coin {
+    return {
+      id: params.id || getRandomB256(),
+      owner: params.owner || getRandomB256(),
+      amount: params.amount || bn(1000000),
+      type: params.type || 0,
+      ...params
+    };
+  }
+
+  /**
+   * Generates an array of test coins with the same base parameters
+   */
+  static many(params: Partial<Coin> = {}, count = 1): Coin[] {
+    return Array.from({ length: count }, () => TestCoin.create(params));
+  }
+}