Function setup_bip86_node

tests/test_wallet.py:1752–1774

Helper function to set up a node with BIP86 support using a mnemonic-based HSM secret

(node_factory, mnemonic="abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about")

def setup_bip86_node(node_factory, mnemonic="abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"):
    """Helper function to set up a node with BIP86 support using a mnemonic-based HSM secret"""
    l1 = node_factory.get_node(start=False)

    # Set up node with a mnemonic HSM secret
    hsm_path = os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, "hsm_secret")
    if os.path.exists(hsm_path):
        os.remove(hsm_path)

    # Generate hsm_secret with the specified mnemonic
    hsmtool = HsmTool(node_factory.directory, "generatehsm", hsm_path)
    master_fd, slave_fd = os.openpty()
    hsmtool.start(stdin=slave_fd)
    hsmtool.wait_for_log(r"Introduce your BIP39 word list")
    write_all(master_fd, f"{mnemonic}\n".encode("utf-8"))
    hsmtool.wait_for_log(r"Enter your passphrase:")
    write_all(master_fd, "\n".encode("utf-8"))  # No passphrase
    assert hsmtool.proc.wait(WAIT_TIMEOUT) == 0
    os.close(master_fd)
    os.close(slave_fd)

    l1.start()
    return l1


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