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Use BABE instead of AuRa in node (#3171)

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* babe: add babe module trait

* babe: track current slot and epoch start slot

* babe: implement ShouldEndSession based on epochs

* babe: rename weight type to avoid ambiguities

* babe: expose epoch start slot in Epoch digest

* babe: use epoch start for validating epoch transitions

* babe: make the epoch duration a parameter type

* babe: remove unused fields from config

* node: update runtime to use babe instead of aura

* node: use babe instead of aura

* core: generate sr25519 keys from seed and add to keystore

* core: remove AuthorityKeyring

* node: remove unused primitive types related to babe crypto

* uniform babe primitives crate import name

* wrap long lines

* babe: fix find_epoch_digest

* fork-tree: fix find_node_where

* node: set babe epoch duration to "10 minutes"

* babe: cleanup import key cache if authorities don't change

* node: make integration test compile (but fail)

* node: bump spec_version

* node: fix import

* babe: don't use constants in storage fields array sizes

* babe: account for first epoch slot way in the past

* babe: signal next epoch change (not current)

* babe: calculate next epoch randomness with next epoch index

* babe: track next epoch in node

* babe: cache current epoch and authorities separately

* babe: generate valid babe vrf proofs in integration test

* babe: cleanup claim_slot

* babe: perform threshold calculation according to spec

* babe: compute relative weight in threshold

* babe: more precise threshold calculation

* babe: use floats for threshold exponent calculation

* babe: update constant c
This commit is contained in:
André Silva
2019-07-24 20:53:04 +01:00
committed by DemiMarie-parity
parent 407970406d
commit 9f50c8fce4
33 changed files with 784 additions and 429 deletions
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substrate/core/service/src/lib.rs
+2 -1
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@@ -41,7 +41,7 @@ use keystore::Store as Keystore;
use network::{NetworkState, NetworkStateInfo};
use log::{log, info, warn, debug, error, Level};
use parity_codec::{Encode, Decode};
use primitives::{Pair, ed25519, crypto};
use primitives::{Pair, ed25519, sr25519, crypto};
use runtime_primitives::generic::BlockId;
use runtime_primitives::traits::{Header, NumberFor, SaturatedConversion, Zero};
use substrate_executor::NativeExecutor;
@@ -192,6 +192,7 @@ impl<Components: components::Components> Service<Components> {
if let Some(keystore) = keystore.as_mut() {
for seed in &config.keys {
keystore.generate_from_seed::<ed25519::Pair>(seed)?;
keystore.generate_from_seed::<sr25519::Pair>(seed)?;
}
public_key = match keystore.contents::<ed25519::Public>()?.get(0) {