Nucypher

-------------------

No significant changes.

-------------------

Features
~~~~~~~~

- Compare Ursula IP address with configuration values on startup to help ensure node availability. (`2462 <https://github.com/nucypher/nucypher/issues/2462>`__)
- Arrangement proposals and policy enactment are performed in parallel, with more nodes being considered as some of the requests fail. This improves granting reliability. (`2482 <https://github.com/nucypher/nucypher/issues/2482>`__)


Bugfixes
~~~~~~~~

- More logging added for arrangement proposal failures, and more suitable exceptions thrown. (`2479 <https://github.com/nucypher/nucypher/issues/2479>`__)
- Ignore pending Ethereum transactions for purposes of gas estimation. (`2486 <https://github.com/nucypher/nucypher/issues/2486>`__)
- Fix rtd build after 2477 (`2489 <https://github.com/nucypher/nucypher/issues/2489>`__)
- (`2491 <https://github.com/nucypher/nucypher/issues/2491>`__, `#2498 <https://github.com/nucypher/nucypher/issues/2498>`__)
- Fix rtd build after 2477 and 2489 (`2492 <https://github.com/nucypher/nucypher/issues/2492>`__)
- cloudworkers bugfixes, cli args refactor and new "cloudworkers stop" feature. (`2494 <https://github.com/nucypher/nucypher/issues/2494>`__)
- Gentler handling of unsigned stamps from stranger Ursulas on status endpoint (`2515 <https://github.com/nucypher/nucypher/issues/2515>`__)
- Restore the re-raising behavior in ``BlockchainInterface._handle_failed_transaction()`` (`2521 <https://github.com/nucypher/nucypher/issues/2521>`__)


Improved Documentation
~~~~~~~~~~~~~~~~~~~~~~

- Auto docs generation for smart contracts (`2477 <https://github.com/nucypher/nucypher/issues/2477>`__)
- Add pricing protocol & economics paper to main repo readme and docs homepage. (`2520 <https://github.com/nucypher/nucypher/issues/2520>`__)


Deprecations and Removals
~~~~~~~~~~~~~~~~~~~~~~~~~

- (`2470 <https://github.com/nucypher/nucypher/issues/2470>`__)
- Deprecated manual worker commitments using the CLI. (`2507 <https://github.com/nucypher/nucypher/issues/2507>`__)


Misc
~~~~

- Relock dependencies and update relock script. (`2440 <https://github.com/nucypher/nucypher/issues/2440>`__)
- Fixed failing readthedocs build due to dependency mismatches in docs requirements. (`2496 <https://github.com/nucypher/nucypher/issues/2496>`__)
- (`2499 <https://github.com/nucypher/nucypher/issues/2499>`__)
- Ensure that documentation dependencies are updated when standard/development dependencies are updated. (`2510 <https://github.com/nucypher/nucypher/issues/2510>`__)

-------------------

Features
~~~~~~~~

- Introduces "Character Cards" a serializable identity abstraction and 'nucypher contacts' CLI to support. (`2115 <https://github.com/nucypher/nucypher/issues/2115>`__)
- - nucypher cloudworkers now contains a complete and comprehensive set of features for easily managing, backing up and restoring one to many workers (`2365 <https://github.com/nucypher/nucypher/issues/2365>`__)
- New composite gas strategy that uses the median from three different gas price oracles
(currently, Etherchain, Upvest and gas-oracle.zoltu.io),
which behaves more robustly against sporadic errors in the oracles (e.g., spikes, stuck feeds). (`2420 <https://github.com/nucypher/nucypher/issues/2420>`__)
- Improve gas strategy selection: Infura users now can choose between ``slow``, ``medium`` and ``fast``, and a maximum gas price can be configured with --max-gas-price. (`2445 <https://github.com/nucypher/nucypher/issues/2445>`__)


Bugfixes
~~~~~~~~

- Slowly try more and more nodes if some of the initial draft for a policy were inaccessible. (`2416 <https://github.com/nucypher/nucypher/issues/2416>`__)
- Fix bad cli handling in several cloudworkers commands, improved envvar handling. (`2475 <https://github.com/nucypher/nucypher/issues/2475>`__)


Misc
~~~~

- (`2244 <https://github.com/nucypher/nucypher/issues/2244>`__, `#2483 <https://github.com/nucypher/nucypher/issues/2483>`__)
- Solidity compilation refinements (`2461 <https://github.com/nucypher/nucypher/issues/2461>`__)
- Deprecates internally managed geth process management (`2466 <https://github.com/nucypher/nucypher/issues/2466>`__)
- Include checksum and IP addresses in exception messages for `Rejected`. (`2467 <https://github.com/nucypher/nucypher/issues/2467>`__)
- Deprecates managed ethereum client syncing and stale interface methods (`2468 <https://github.com/nucypher/nucypher/issues/2468>`__)
- Improves console messages for stakeholder CLI initialization and worker startup. (`2474 <https://github.com/nucypher/nucypher/issues/2474>`__)
- Introduce a template to describe Pull Requests. (`2476 <https://github.com/nucypher/nucypher/issues/2476>`__)

-------------------

Features
~~~~~~~~

- Introduces shorthand options for --bob-verifying-key (-bvk), --bob-encrypting-key (-bek) and alice verifying key (-avk) for CLI commands. (`2459 <https://github.com/nucypher/nucypher/issues/2459>`__)
- Complete interactive collection of policy parameters via alice grant CLI. (`2460 <https://github.com/nucypher/nucypher/issues/2460>`__)


Bugfixes
~~~~~~~~

- Corrected minimum stake value for --min-stake CLI option (`2371 <https://github.com/nucypher/nucypher/issues/2371>`__)


Misc
~~~~

- Introduces a probationary period for policy creation in the network, until 2021-02-28 23:59:59 UTC. (`2431 <https://github.com/nucypher/nucypher/issues/2431>`__)
- Supplies `AccessDenied` exception class for better incorrect password handling. (`2451 <https://github.com/nucypher/nucypher/issues/2451>`__)
- Maintain compatibility with python 3.6 (removes re.Pattern annotations) (`2458 <https://github.com/nucypher/nucypher/issues/2458>`__)

-------------------

Bugfixes
~~~~~~~~

- Removes tests import from constants module causing pip installed versions to crash. (`2452 <https://github.com/nucypher/nucypher/issues/2452>`__)

-------------------

Features
~~~~~~~~

- Improve user experience when removing unused substakes (CLI and docs). (`2450 <https://github.com/nucypher/nucypher/issues/2450>`__)


Bugfixes
~~~~~~~~

- Fix bug in deployer logic while transferring ownership of StakingInterfaceRouter (`2369 <https://github.com/nucypher/nucypher/issues/2369>`__)
- Allow arbitrary decimal precision when entering NU amounts to nucypher CLI. (`2441 <https://github.com/nucypher/nucypher/issues/2441>`__)


Improved Documentation
~~~~~~~~~~~~~~~~~~~~~~

- Document usage of hardware wallets for signing. (`2346 <https://github.com/nucypher/nucypher/issues/2346>`__)
- Improvements to the staking guide: extending description of winddown command, other minor corrections. (`2434 <https://github.com/nucypher/nucypher/issues/2434>`__)


Misc
~~~~

- Rework internal solidity compiler usage to implement "Standard JSON Compile". (`2439 <https://github.com/nucypher/nucypher/issues/2439>`__)
- Introduces `--config-path` and `--logging-path` CLI flags displaying default nucypher directories (`2446 <https://github.com/nucypher/nucypher/issues/2446>`__)