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Refactor CurrencyToVote (#6896)

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* Refactor CurrencyToVote to avoid calls to total_issuance.

* Update frame/support/src/traits.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Some grumbles

* Fix last grumbles.

* Fix comment

* Final fix

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>
This commit is contained in:
Kian Paimani
2020-10-08 16:50:54 +02:00
committed by GitHub
parent aba0128f6f
commit ba229c629f
14 changed files with 157 additions and 199 deletions
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substrate/frame/grandpa/src/mock.rs
+2 -16
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@@ -36,7 +36,7 @@ use sp_runtime::{
curve::PiecewiseLinear,
impl_opaque_keys,
testing::{Header, TestXt, UintAuthorityId},
traits::{Convert, IdentityLookup, OpaqueKeys, SaturatedConversion},
traits::{IdentityLookup, OpaqueKeys},
DigestItem, Perbill,
};
use sp_staking::SessionIndex;
@@ -198,23 +198,9 @@ parameter_types! {
pub const StakingUnsignedPriority: u64 = u64::max_value() / 2;
}
pub struct CurrencyToVoteHandler;
impl Convert<u128, u128> for CurrencyToVoteHandler {
fn convert(x: u128) -> u128 {
x
}
}
impl Convert<u128, u64> for CurrencyToVoteHandler {
fn convert(x: u128) -> u64 {
x.saturated_into()
}
}
impl pallet_staking::Trait for Test {
type RewardRemainder = ();
type CurrencyToVote = CurrencyToVoteHandler;
type CurrencyToVote = frame_support::traits::SaturatingCurrencyToVote;
type Event = TestEvent;
type Currency = Balances;
type Slash = ();