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This commit is contained in:
Gav
2018-01-19 10:49:23 +01:00
parent 81cd156d2a
commit 63809d9e0c
11 changed files with 87 additions and 87 deletions
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substrate/wasm-runtime/polkadot/src/runtime/staking.rs
+9 -9
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@@ -1,5 +1,5 @@
use keyedvec::KeyedVec;
use storage::Storage;
use storable::Storable;
use primitives::{BlockNumber, Balance, AccountID};
use runtime::{system, session};
@@ -10,7 +10,7 @@ use runtime::{system, session};
/// The length of a staking era in sessions.
pub fn lockup_eras() -> BlockNumber {
Storage::into(b"sta\0lpe")
Storable::lookup_default(b"sta\0lpe")
}
/// The length of a staking era in blocks.
@@ -20,12 +20,12 @@ pub fn era_length() -> BlockNumber {
/// The length of a staking era in sessions.
pub fn sessions_per_era() -> BlockNumber {
Storage::into(b"sta\0spe")
Storable::lookup_default(b"sta\0spe")
}
/// The current era index.
pub fn current_era() -> BlockNumber {
Storage::into(b"sta\0era")
Storable::lookup_default(b"sta\0era")
}
/// The current era index.
@@ -35,7 +35,7 @@ pub fn set_current_era(new: BlockNumber) {
/// The block number at which the era length last changed.
pub fn last_era_length_change() -> BlockNumber {
Storage::into(b"sta\0lec")
Storable::lookup_default(b"sta\0lec")
}
/// Set a new era length. Won't kick in until the next era change (at current length).
@@ -51,7 +51,7 @@ fn next_era() {
set_current_era(current_era() + 1);
// Enact era length change.
let next_spe: u64 = Storage::into(b"sta\0nse");
let next_spe: u64 = Storable::lookup_default(b"sta\0nse");
if next_spe > 0 && next_spe != sessions_per_era() {
next_spe.store(b"sta\0spe");
system::block_number().store(b"sta\0lec");
@@ -63,16 +63,16 @@ fn next_era() {
/// The balance of a given account.
pub fn balance_inactive(who: &AccountID) -> Balance {
Storage::into(&who.to_keyed_vec(b"sta\0bal\0"))
Storable::lookup_default(&who.to_keyed_vec(b"sta\0bal\0"))
}
/// Transfer some unlocked staking balance to another staker.
pub fn transfer_inactive(transactor: &AccountID, dest: &AccountID, value: Balance) {
let from_key = transactor.to_keyed_vec(b"sta\0bal\0");
let from_balance: Balance = Storage::into(&from_key);
let from_balance: Balance = Storable::lookup_default(&from_key);
assert!(from_balance >= value);
let to_key = dest.to_keyed_vec(b"sta\0bal\0");
let to_balance: Balance = Storage::into(&to_key);
let to_balance: Balance = Storable::lookup_default(&to_key);
assert!(to_balance + value > to_balance); // no overflow
(from_balance - value).store(&from_key);
(to_balance + value).store(&to_key);