The code is still under a private repository.
[1] C. Perez-Sola, A. Ranchal-Pedrosa, J. Herrera-Joancomarti, G. Navarro-Arribas, J. Garcia-Alfaro. LockDown: Balance Availability Attack against Lightning Network Channels. Financial Cryptography and Data Security (FC 2020), volume 12059 of Lecture Notes in Computer Science, February 2020.
@inproceedings{perez2020lockdown,
title={Lockdown: Balance availability attack against lightning network channels},
author={Perez-Sola, Cristina and Ranchal-Pedrosa, Alejandro and Herrera-Joancomarti, Jordi and Navarro-Arribas, Guillermo and Garcia-Alfaro, Joaquin},
booktitle={International Conference on Financial Cryptography and Data Security},
pages={245--263},
year={2020},
organization={Springer},
doi = {10.1007/978-3-030-51280-4_14},
url = {https://doi.org/10.1007/978-3-030-51280-4_14},
}