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keep track of messages known by validators

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Robert Habermeier
2017-12-13 18:45:08 +01:00
parent 655b8ce275
commit 233d88fdb8
2 changed files with 99 additions and 40 deletions
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substrate/candidate-agreement/src/lib.rs
+7 -7
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@@ -16,18 +16,18 @@
//! Propagation and agreement of candidates.
//!
//! This is parameterized by 3 numbers:
//! N: the number of validators total
//! P: the number of parachains
//! F: the number of faulty nodes (s.t. 3F + 1 <= N)
//! We also define G as the number of validators per parachain (N/P)
//!
//! Validators are split into groups by parachain, and each validator might come
//! up its own candidate for their parachain. Within groups, validators pass around
//! their candidates and produce statements of validity.
//!
//! Any candidate that receives majority approval by the validators in a group
//! may be subject to inclusion.
//! may be subject to inclusion, unless any validators flag that candidate as invalid.
//!
//! Wrongly flagging as invalid should be strongly disincentivized, so that in the
//! equilibrium state it is not expected to happen. Likewise with the submission
//! of invalid blocks.
//!
//! Groups themselves may be compromised by malicious validators.
extern crate futures;
extern crate polkadot_primitives as primitives;