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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/consensus/babe/Cargo.toml
+7 -1
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@@ -7,8 +7,11 @@ edition = "2018"
[dependencies]
parity-codec = { version = "4.1.1", features = ["derive"] }
babe_primitives = { package = "substrate-consensus-babe-primitives", path = "primitives" }
babe-primitives = { package = "substrate-consensus-babe-primitives", path = "primitives" }
primitives = { package = "substrate-primitives", path = "../../primitives" }
num-bigint = "0.2"
num-rational = "0.2"
num-traits = "0.2"
runtime_support = { package = "srml-support", path = "../../../srml/support" }
runtime_version = { package = "sr-version", path = "../../sr-version" }
runtime_io = { package = "sr-io", path = "../../sr-io" }
@@ -37,3 +40,6 @@ service = { package = "substrate-service", path = "../../service" }
test-client = { package = "substrate-test-runtime-client", path = "../../test-runtime/client" }
tokio = "0.1.18"
env_logger = "0.6.1"
[features]
test-helpers = []