Function test_bip86_index_boundaries

tests/test_wallet.py:1977–2006

Test BIP86 behavior at index boundaries

(node_factory)

@unittest.skipIf(TEST_NETWORK != 'regtest', "BIP86 tests are regtest-specific")
def test_bip86_index_boundaries(node_factory):
    """Test BIP86 behavior at index boundaries"""
    l1 = setup_bip86_node(node_factory)

    # Test that we can generate multiple addresses in sequence
    # This tests the internal index management
    addresses = []
    for i in range(5):
        addr = l1.rpc.newaddr('p2tr')['p2tr']
        addresses.append(addr)
        # Each address should be unique
        assert addr not in addresses[:-1], f"Duplicate address generated: {addr}"

    # Test that addresses are deterministic - same node should generate same sequence
    l2 = setup_bip86_node(node_factory)  # Same mnemonic

    addresses2 = []
    for i in range(5):
        addr = l2.rpc.newaddr('p2tr')['p2tr']
        addresses2.append(addr)

    # Should generate the same addresses in the same order
    assert addresses == addresses2, "BIP86 addresses not deterministic across nodes with same mnemonic"

    # Test generating a large number of addresses to check for any overflow issues
    # Generate 100 more addresses to test higher indices
    for i in range(100):
        addr = l1.rpc.newaddr('p2tr')['p2tr']
        assert addr.startswith('bcrt1p'), f"Invalid BIP86 address format: {addr}"
        assert len(addr) > 50, f"BIP86 address too short: {addr}"


@unittest.skipIf(TEST_NETWORK != 'regtest', "BIP86 tests are regtest-specific")