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New slashing logic (#570)

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* New slashing mechanism (#554)

* Slashing improvements

- unstake when balance too low
- unstake after N slashes according to val prefs
- don't early-terminate session/era unless unstaked
- offline grace period before punishment

* Fix warning

* Cleanups and ensure slash_count decays

* Bump authoring version and introduce needed authoring stub

* Rename

* Fix offline tracker

* Fix offline tracker

* Renames

* Add test

* Tests

* Tests.

* Remove accidental merge files.

* Version bump, fixes (#572)

* Bump version, don't propose invalid blocks

* Fix build.

* Fixes.

* More fixes.

* Fix tests.

* Fix more tests

* More tests fixed

* Fix merge

* Fix accidental merge bug

* Fixes.

* Staking failsafes

- Don't slash/unstake/change session when too few staking participants
- Introduce set_balance PrivCall

* Make minimum validator count dynamic.

* test fixes

* Fix tests.

* Fix tests

* Fix tests, update readme.

* Test with release.

* Use safe math when dealing with total stake

* Fix test again.

* Fix grumbles.
This commit is contained in:
Gav Wood
2018-08-27 17:11:04 +02:00
committed by GitHub
parent 4e9f40840c
commit f59bcd15da
18 changed files with 490 additions and 191 deletions
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substrate/demo/executor/src/lib.rs
+11 -3
View File
@@ -102,6 +102,7 @@ mod tests {
fn panic_execution_with_foreign_code_gives_error() {
let mut t: TestExternalities<KeccakHasher> = map![
twox_128(&<staking::FreeBalance<Concrete>>::key_for(alice())).to_vec() => vec![69u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TotalStake<Concrete>>::key()).to_vec() => vec![69u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TransactionBaseFee<Concrete>>::key()).to_vec() => vec![70u8; 8],
twox_128(<staking::TransactionByteFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::ExistentialDeposit<Concrete>>::key()).to_vec() => vec![0u8; 8],
@@ -121,6 +122,7 @@ mod tests {
fn bad_extrinsic_with_native_equivalent_code_gives_error() {
let mut t: TestExternalities<KeccakHasher> = map![
twox_128(&<staking::FreeBalance<Concrete>>::key_for(alice())).to_vec() => vec![69u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TotalStake<Concrete>>::key()).to_vec() => vec![69u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TransactionBaseFee<Concrete>>::key()).to_vec() => vec![70u8; 8],
twox_128(<staking::TransactionByteFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::ExistentialDeposit<Concrete>>::key()).to_vec() => vec![0u8; 8],
@@ -140,6 +142,7 @@ mod tests {
fn successful_execution_with_native_equivalent_code_gives_ok() {
let mut t: TestExternalities<KeccakHasher> = map![
twox_128(&<staking::FreeBalance<Concrete>>::key_for(alice())).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TotalStake<Concrete>>::key()).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TransactionBaseFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::TransactionByteFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::ExistentialDeposit<Concrete>>::key()).to_vec() => vec![0u8; 8],
@@ -163,6 +166,7 @@ mod tests {
fn successful_execution_with_foreign_code_gives_ok() {
let mut t: TestExternalities<KeccakHasher> = map![
twox_128(&<staking::FreeBalance<Concrete>>::key_for(alice())).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TotalStake<Concrete>>::key()).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TransactionBaseFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::TransactionByteFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::ExistentialDeposit<Concrete>>::key()).to_vec() => vec![0u8; 8],
@@ -199,6 +203,7 @@ mod tests {
balances: vec![(alice(), 111)],
intentions: vec![alice(), bob(), Charlie.to_raw_public().into()],
validator_count: 3,
minimum_validator_count: 0,
bonding_duration: 0,
transaction_base_fee: 1,
transaction_byte_fee: 0,
@@ -208,6 +213,7 @@ mod tests {
reclaim_rebate: 0,
early_era_slash: 0,
session_reward: 0,
offline_slash_grace: 0,
}),
democracy: Some(Default::default()),
council: Some(Default::default()),
@@ -250,7 +256,7 @@ mod tests {
// Blake
// hex!("3437bf4b182ab17bb322af5c67e55f6be487a77084ad2b4e27ddac7242e4ad21").into(),
// Keccak
hex!("c563199c60df7d914262b1775b284870f3a5da2f24b56d2c6288b37c815a6cd9").into(),
hex!("856f39cc430b2ecc2b94f55f0df44b28a25ab3ed341a60bdf0b8f382616f675f").into(),
vec![BareExtrinsic {
signed: alice(),
index: 0,
@@ -266,7 +272,7 @@ mod tests {
// Blake
// hex!("741fcb660e6fa9f625fbcd993b49f6c1cc4040f5e0cc8727afdedf11fd3c464b").into(),
// Keccak
hex!("83f71d5475f63350825b0301de322233d3711a9f3fcfd74050d1534af47a36b3").into(),
hex!("32cb12103306811f4febf3a93c893ebd896f0df5bcf285912d406b43d9f041aa").into(),
vec![
BareExtrinsic {
signed: bob(),
@@ -289,7 +295,7 @@ mod tests {
// Blake
// hex!("2c7231a9c210a7aa4bea169d944bc4aaacd517862b244b8021236ffa7f697991").into(),
// Keccak
hex!("06d026c0d687ec583660a6052de6f89acdb24ea964d06be3831c837c3c426966").into(),
hex!("f7bdc5a3409738285c04585ec436c5c9c3887448f7cf1b5086664517681eb7c1").into(),
vec![BareExtrinsic {
signed: alice(),
index: 0,
@@ -364,6 +370,7 @@ mod tests {
fn panic_execution_gives_error() {
let mut t: TestExternalities<KeccakHasher> = map![
twox_128(&<staking::FreeBalance<Concrete>>::key_for(alice())).to_vec() => vec![69u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TotalStake<Concrete>>::key()).to_vec() => vec![69u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TransactionBaseFee<Concrete>>::key()).to_vec() => vec![70u8; 8],
twox_128(<staking::TransactionByteFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::ExistentialDeposit<Concrete>>::key()).to_vec() => vec![0u8; 8],
@@ -384,6 +391,7 @@ mod tests {
fn successful_execution_gives_ok() {
let mut t: TestExternalities<KeccakHasher> = map![
twox_128(&<staking::FreeBalance<Concrete>>::key_for(alice())).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TotalStake<Concrete>>::key()).to_vec() => vec![111u8, 0, 0, 0, 0, 0, 0, 0],
twox_128(<staking::TransactionBaseFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::TransactionByteFee<Concrete>>::key()).to_vec() => vec![0u8; 8],
twox_128(<staking::ExistentialDeposit<Concrete>>::key()).to_vec() => vec![0u8; 8],