From 53f86b2086ca6cb704bd3b2b0c4f18ff188f7681 Mon Sep 17 00:00:00 2001
From: Pyper01 <Wareezajai14@gmail.com>
Date: Thu, 27 Aug 2026 16:33:40 +0100
Subject: [PATCH] fix: address multiple issues for Ajayi

Closes #463
Closes #462
Closes #461
Closes #460
---
 src/tests/batch-tx.test.ts            | 26 +++++++++++
 src/tests/soroban-rpc-helpers.test.ts | 64 +++++++++++++++++++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 src/tests/batch-tx.test.ts
 create mode 100644 src/tests/soroban-rpc-helpers.test.ts

diff --git a/src/tests/batch-tx.test.ts b/src/tests/batch-tx.test.ts
new file mode 100644
index 0000000..b5602b5
--- /dev/null
+++ b/src/tests/batch-tx.test.ts
@@ -0,0 +1,26 @@
+import { resolvePassphrase, BatchTransactionContext, BatchBuildError } from '../batch-tx.js';
+import { describe, it, expect } from 'vitest';
+import { Networks } from '@stellar/stellar-sdk';
+
+describe('resolvePassphrase', () => {
+  it('should return networkPassphrase when provided', () => {
+    const ctx = { networkPassphrase: 'custom passphrase' } as BatchTransactionContext;
+    expect(resolvePassphrase(ctx)).toBe('custom passphrase');
+  });
+
+  it('should resolve named networks', () => {
+    expect(resolvePassphrase({ network: 'mainnet' } as BatchTransactionContext)).toBe(Networks.PUBLIC);
+    expect(resolvePassphrase({ network: 'testnet' } as BatchTransactionContext)).toBe(Networks.TESTNET);
+    expect(resolvePassphrase({ network: 'local' } as BatchTransactionContext)).toBe(Networks.STANDALONE);
+  });
+
+  it('should throw BatchBuildError on unknown network', () => {
+    expect(() => resolvePassphrase({ network: 'unknown' as any } as BatchTransactionContext))
+      .toThrowError(BatchBuildError);
+  });
+
+  it('should throw BatchBuildError when neither is provided', () => {
+    expect(() => resolvePassphrase({} as BatchTransactionContext))
+      .toThrowError(BatchBuildError);
+  });
+});
diff --git a/src/tests/soroban-rpc-helpers.test.ts b/src/tests/soroban-rpc-helpers.test.ts
new file mode 100644
index 0000000..51edef7
--- /dev/null
+++ b/src/tests/soroban-rpc-helpers.test.ts
@@ -0,0 +1,64 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+
+const { mockSimulateTransaction, mockGetAccount } = vi.hoisted(() => ({
+  mockSimulateTransaction: vi.fn(),
+  mockGetAccount: vi.fn(),
+}));
+
+vi.mock('@stellar/stellar-sdk', async () => {
+  const actual = await vi.importActual('@stellar/stellar-sdk');
+  return {
+    ...actual,
+    SorobanRpc: {
+      ...(actual as any).SorobanRpc,
+      Server: vi.fn().mockImplementation(function MockServer() {
+        return {
+          simulateTransaction: mockSimulateTransaction,
+          getAccount: mockGetAccount,
+        };
+      }),
+      Api: (actual as any).SorobanRpc.Api,
+    },
+  };
+});
+
+import { estimateRequiredFee, queryXlmBalance } from '../soroban.js';
+import { nativeToScVal, Account } from '@stellar/stellar-sdk';
+
+beforeEach(() => {
+  mockSimulateTransaction.mockReset();
+  mockGetAccount.mockReset();
+});
+
+describe('estimateRequiredFee', () => {
+  it('should extract minResourceFee when available', () => {
+    const fee = estimateRequiredFee({ minResourceFee: '12345' });
+    expect(fee).toBe(12345n);
+  });
+
+  it('should extract fee when available', () => {
+    const fee = estimateRequiredFee({ fee: 9999n });
+    expect(fee).toBe(9999n);
+  });
+
+  it('should fallback to 1_000_000n when neither is available', () => {
+    const fee = estimateRequiredFee({});
+    expect(fee).toBe(1_000_000n);
+  });
+
+  it('should use custom fallback', () => {
+    const fee = estimateRequiredFee({}, 100n);
+    expect(fee).toBe(100n);
+  });
+});
+
+describe('queryXlmBalance', () => {
+  it('should return native balance', async () => {
+    mockGetAccount.mockResolvedValue(new Account('GAAQCAIBAEAQCAIBAEAQCAIBAEAQCAIBAEAQCAIBAEAQCAIBAEAQDZ7H', '100'));
+    const retval = nativeToScVal(1000n, { type: 'i128' });
+    mockSimulateTransaction.mockResolvedValue({ result: { retval } });
+
+    const balance = await queryXlmBalance('http://localhost', 'Test SDF Network ; September 2015', 'GAAQCAIBAEAQCAIBAEAQCAIBAEAQCAIBAEAQCAIBAEAQCAIBAEAQDZ7H');
+    expect(balance).toBe(1000n);
+  });
+});