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Remove Old Migration Code (#5870)

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* remove old migration code

* Remove old staking

* Remove indices migration

* Remove upgrade test in transaction-payment

* oops

* Revert "Remove old staking"

This reverts commit 95262b1ac43c9b5bcf49d2ae80800feabcbbbaa0.

* remove migration test in staking

* fix warnings
This commit is contained in:
Shawn Tabrizi
2020-05-03 10:54:21 +02:00
committed by GitHub
parent b913dfebb7
commit 92d0c0b769
6 changed files with 1 additions and 298 deletions
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substrate/frame/staking/src/lib.rs
-49
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@@ -1246,18 +1246,6 @@ decl_module! {
}
}
fn on_runtime_upgrade() -> Weight {
// For Kusama the type hasn't actually changed as Moment was u64 and was the number of
// millisecond since unix epoch.
StorageVersion::mutate(|v| {
if matches!(v, Releases::V2_0_0) {
Self::migrate_last_reward_to_claimed_rewards();
}
*v = Releases::V3_0_0;
});
0
}
/// Take the origin account as a stash and lock up `value` of its balance. `controller` will
/// be the account that controls it.
///
@@ -1935,43 +1923,6 @@ decl_module! {
}
impl<T: Trait> Module<T> {
/// Migrate `last_reward` to `claimed_rewards`
pub fn migrate_last_reward_to_claimed_rewards() {
use frame_support::migration::{StorageIterator, put_storage_value};
// Migrate from `last_reward` to `claimed_rewards`.
// We will construct a vector from `current_era - history_depth` to `last_reward`
// for each validator and nominator.
//
// Old Staking Ledger
#[derive(PartialEq, Eq, Clone, Encode, Decode, RuntimeDebug)]
struct OldStakingLedger<AccountId, Balance: HasCompact> {
pub stash: AccountId,
#[codec(compact)]
pub total: Balance,
#[codec(compact)]
pub active: Balance,
pub unlocking: Vec<UnlockChunk<Balance>>,
pub last_reward: Option<EraIndex>,
}
// Current era and history depth
let current_era = Self::current_era().unwrap_or(0);
let history_depth = Self::history_depth();
let last_payout_era = current_era.saturating_sub(history_depth);
// Convert all ledgers to the new format.
for (hash, old_ledger) in StorageIterator::<OldStakingLedger<T::AccountId, BalanceOf<T>>>::new(b"Staking", b"Ledger").drain() {
let last_reward = old_ledger.last_reward.unwrap_or(0);
let new_ledger = StakingLedger {
stash: old_ledger.stash,
total: old_ledger.total,
active: old_ledger.active,
unlocking: old_ledger.unlocking,
claimed_rewards: (last_payout_era..=last_reward).collect(),
};
put_storage_value(b"Staking", b"Ledger", &hash, new_ledger);
}
MigrateEra::put(current_era);
}
/// The total balance that can be slashed from a stash account as of right now.
pub fn slashable_balance_of(stash: &T::AccountId) -> BalanceOf<T> {
Self::bonded(stash).and_then(Self::ledger).map(|l| l.active).unwrap_or_default()