2019-02-28 13:25:11 +00:00
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# Ethereum 2.0 Common Crates
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2019-02-28 13:18:53 +00:00
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Rust crates containing logic common across the Lighthouse project.
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## Per-Crate Summary
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- [`attester/`](attester/): Core logic for attesting to beacon and shard blocks.
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- [`block_proposer/`](block_proposer/): Core logic for proposing beacon blocks.
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- [`fork_choice/`](fork_choice/): A collection of fork-choice algorithms for
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the Beacon Chain.
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- [`state_processing/`](state_processing/): Provides per-slot, per-block, and
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per-epoch state processing.
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- [`types/`](types/): Defines base Ethereum 2.0 types (e.g., `BeaconBlock`,
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`BeaconState`, etc).
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- [`utils/`](utils/):
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- [`bls`](utils/bls/): A wrapper for an external BLS encryption library.
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- [`boolean-bitfield`](utils/boolean-bitfield/): Provides an expandable vector
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of bools, specifically for use in Eth2.
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- [`fisher-yates-shuffle`](utils/fisher-yates-shuffle/): shuffles a list
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pseudo-randomly.
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- [`hashing`](utils/hashing/): A wrapper for external hashing libraries.
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- [`honey-badger-split`](utils/honey-badger-split/): Splits a list in `n`
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parts without giving AF about the length of the list, `n`, or anything
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else.
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- [`int-to-bytes`](utils/int-to-bytes/): Simple library which converts ints
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into byte-strings of various lengths.
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- [`slot_clock`](utils/slot_clock/): translates the system time into Beacon
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Chain "slots". (Also provides another slot clock that's useful during
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testing.)
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- [`ssz`](utils/ssz/): an implementation of the SimpleSerialize
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serialization/deserialization protocol used by Eth 2.0.
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- [`ssz_derive`](utils/ssz_derive/): provides procedural macros for
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deriving SSZ `Encode`, `Decode`, and `TreeHash` methods.
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- [`swap_or_not_shuffle`](utils/swap_or_not_shuffle/): a list-shuffling
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method which is slow, but allows for a subset of indices to be shuffled.
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- [`test_random_derive`](utils/test_random_derive/): provides procedural
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macros for deriving the `TestRandom` trait defined in `types`.
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