core-lightning/TODO.md

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# Looking for things to hack on? #
## Cleanups ##
* Remove our specific libsecp256k1 in secp256k1/ and use the installed one.
## Minor improvements ##
* Make `json_get_params` fail if unknown parameters are specified by user.
* Print backtrace in `log_crash`
* When unpacking a packet, reject any with an unknown odd-numbered field as per BOLT #2.
* Limit total number of peers in `new_peer`, or at least in `peer_connected_in`.
* logging: add IO logging for peers.
* Add `history` RPC command which shows all prior commit txs.
* Improve `getpeers` to show status of peers when connecting, DNS lookups etc.
* Add pings to protocol
* Timeout a peer if they don't respond in a given time (eg. 2 pings)
## Testing: ##
* Add more unit tests in bitcoin/test and daemon/test
* Test more scenarios with daemon/test/test.sh, and split it up.
* Implement compile-time crypto-free mode
* Implement canned conversation files for fuzz testing (eg AFL).
* Write canned input/output test cases for various conversations, and
include them in a form suitable for other implementations to test.
## Major improvements: ##
* (MAJOR) Implement onion
* (MAJOR) Implement failure message encryption
## Other ##
* Grep for other FIXMEs and fix one :)
* Look on https://github.com/ElementsProject/lightning/issues
Happy hacking!<br>
Rusty.