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Merge branch 'master' into fork-choices.

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This introduces the `Height` type which keeps track of block_height
types.

Further integration into beacon chain with the merge.
This commit is contained in:
Age Manning
2019-02-13 18:04:29 +11:00
parent 4370035448 e4f6fe047d
commit ccaaaffde1
90 changed files with 3622 additions and 2883 deletions
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28
eth2/fork_choice/src/lib.rs
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@@ -1,3 +1,23 @@
// Copyright 2019 Sigma Prime Pty Ltd.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//! This crate stores the various implementations of fork-choice rules that can be used for the
//! beacon blockchain.
//!
@@ -7,17 +27,21 @@
//! The current implementations are:
//! - [`longest-chain`]: Simplistic longest-chain fork choice - primarily for testing, **not for
//! production**.
//! - [`basic_lmd_ghost`]: This is a simple and very inefficient implementation given in the ethereum 2.0
//! - [`slow_lmd_ghost`]: This is a simple and very inefficient implementation given in the ethereum 2.0
//! specifications (https://github.com/ethereum/eth2.0-specs/blob/v0.1/specs/core/0_beacon-chain.md#get_block_root).
//! - [`optimised_lmd_ghost`]: This is an optimised version of the naive implementation as proposed
//! by Vitalik. The reference implementation can be found at: https://github.com/ethereum/research/blob/master/ghost/ghost.py
//! - [`protolambda_lmd_ghost`]: Another optimised version of LMD-GHOST designed by @protolambda.
//! The go implementation can be found here: https://github.com/protolambda/lmd-ghost.
//!
//! [`basic_lmd_ghost`]: struct.BasicLmdGhost.html
//! [`slow_lmd_ghost`]: struct.SlowLmdGhost.html
//! [`optimised_lmd_ghost`]: struct.OptimisedLmdGhost.html
//! [`protolambda_lmd_ghost`]: struct.ProtolambdaLmdGhost.html
extern crate db;
extern crate ssz;
extern crate types;
pub mod longest_chain;
pub mod optimised_lmd_ghost;
pub mod protolambda_lmd_ghost;