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Merge pull request #1478 from mattfaltyn/issue1462

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Document `lightning` crate features
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Jeffrey Czyz 2022-05-25 16:26:51 -05:00 • committed by GitHub
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lightning/src/lib.rs
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@ -17,6 +17,25 @@
//! figure out how best to make networking happen/timers fire/things get written to disk/keys get //! figure out how best to make networking happen/timers fire/things get written to disk/keys get
//! generated/etc. This makes it a good candidate for tight integration into an existing wallet //! generated/etc. This makes it a good candidate for tight integration into an existing wallet
//! instead of having a rather-separate lightning appendage to a wallet. //! instead of having a rather-separate lightning appendage to a wallet.
//!
//! `default` features are:
//!
//! * `std` - enables functionalities which require `std`, including `std::io` trait implementations and things which utilize time
//! * `grind_signatures` - enables generation of [low-r bitcoin signatures](https://bitcoin.stackexchange.com/questions/111660/what-is-signature-grinding),
//! which saves 1 byte per signature in 50% of the cases (see [bitcoin PR #13666](https://github.com/bitcoin/bitcoin/pull/13666))
//!
//! Available features are:
//!
//! * `std`
//! * `grind_signatures`
//! * `no-std ` - exposes write trait implementations from the `core2` crate (at least one of `no-std` or `std` are required)
//! * Skip logging of messages at levels below the given log level:
//! * `max_level_off`
//! * `max_level_error`
//! * `max_level_warn`
//! * `max_level_info`
//! * `max_level_debug`
//! * `max_level_trace`
#![cfg_attr(not(any(test, fuzzing, feature = "_test_utils")), deny(missing_docs))] #![cfg_attr(not(any(test, fuzzing, feature = "_test_utils")), deny(missing_docs))]
#![cfg_attr(not(any(test, fuzzing, feature = "_test_utils")), forbid(unsafe_code))] #![cfg_attr(not(any(test, fuzzing, feature = "_test_utils")), forbid(unsafe_code))]