Function test_bip86_newaddr_rpc

tests/test_wallet.py:1777–1818

Test that BIP86 addresses can be generated via newaddr RPC

(node_factory, chainparams)

@unittest.skipIf(TEST_NETWORK != 'regtest', "BIP86 tests are regtest-specific")
def test_bip86_newaddr_rpc(node_factory, chainparams):
    """Test that BIP86 addresses can be generated via newaddr RPC"""
    l1 = setup_bip86_node(node_factory)

    # Test BIP86 address generation
    bip86_addr = l1.rpc.newaddr(addresstype="p2tr")
    assert 'p2tr' in bip86_addr
    assert 'bech32' not in bip86_addr

    # Verify address format (taproot addresses are longer)
    p2tr_addr = bip86_addr['p2tr']
    assert len(p2tr_addr) > 50

    # In regtest, should start with bcrt1p (or appropriate prefix)
    assert p2tr_addr.startswith('bcrt1p')

    # Test that we're using the correct 64-byte seed from the mnemonic
    # Expected seed for "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about":
    # "5eb00bbddcf069084889a8ab9155568165f5c453ccb85e70811aaed6f6da5fc19a5ac40b389cd370d086206dec8aa6c43daea6690f20ad3d8d48b2d2ce9e38e4"

    # Test that our BIP86 implementation follows the correct derivation path m/86'/0'/0'/0/index
    # Generate the same address again and verify it's identical
    bip86_addr2 = l1.rpc.newaddr(addresstype="p2tr")
    p2tr_addr2 = bip86_addr2['p2tr']

    # The second address should be different (next index)
    assert p2tr_addr != p2tr_addr2, "Consecutive BIP86 addresses should be different"

    # Test against known test vectors for the exact derivation path
    # The mainnet test vectors are:
    # m/86'/0'/0'/0/0: bc1p5cyxnuxmeuwuvkwfem96lqzszd02n6xdcjrs20cac6yqjjwudpxqkedrcr
    # m/86'/0'/0'/0/1: bc1p4qhjn9zdvkux4e44uhx8tc55attvtyu358kutcqkudyccelu0was9fqzwh
    # m/86'/0'/0'/0/2: bc1p0d0rhyynq0awa9m8cqrcr8f5nxqx3aw29w4ru5u9my3h0sfygnzs9khxz8

    # For regtest, the addresses should be the same but with bcrt1p prefix
    # Our addresses are for indices 1 and 2, so they should match the regtest versions
    expected_regtest_addr_1 = "bcrt1p4qhjn9zdvkux4e44uhx8tc55attvtyu358kutcqkudyccelu0waslcutpz"  # index 1
    expected_regtest_addr_2 = "bcrt1p0d0rhyynq0awa9m8cqrcr8f5nxqx3aw29w4ru5u9my3h0sfygnzsl8t0dj"  # index 2

    # Assert on the exact test vectors since we have the correct seed
    assert p2tr_addr == expected_regtest_addr_1, f"First address should match test vector for index 1. Expected: {expected_regtest_addr_1}, Got: {p2tr_addr}"
    assert p2tr_addr2 == expected_regtest_addr_2, f"Second address should match test vector for index 2. Expected: {expected_regtest_addr_2}, Got: {p2tr_addr2}"


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