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Make Staking pallet using a proper Time module. (#4662)

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* add new trait, still migration to make

* Apply suggestions from code review

Co-Authored-By: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* implement migration

* better naming

* fix test

* no longer require DeprecatedTime

* add test

* fix version

* upgrade only from kusama

* add test

* fix test

* Update frame/timestamp/src/lib.rs

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
thiolliere
2020-03-26 11:04:52 +01:00
committed by GitHub
parent bc4567e229
commit b0d2f4b173
9 changed files with 72 additions and 26 deletions
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substrate/frame/timestamp/src/lib.rs
+24 -3
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@@ -95,15 +95,17 @@ mod benchmarking;
use sp_std::{result, cmp};
use sp_inherents::{ProvideInherent, InherentData, InherentIdentifier};
use frame_support::{Parameter, decl_storage, decl_module};
use frame_support::traits::{Time, Get};
use frame_support::{
Parameter, decl_storage, decl_module, debug,
traits::{Time, UnixTime, Get},
weights::SimpleDispatchInfo,
};
use sp_runtime::{
RuntimeString,
traits::{
AtLeast32Bit, Zero, SaturatedConversion, Scale
}
};
use frame_support::weights::SimpleDispatchInfo;
use frame_system::ensure_none;
use sp_timestamp::{
InherentError, INHERENT_IDENTIFIER, InherentType,
@@ -239,6 +241,25 @@ impl<T: Trait> Time for Module<T> {
}
}
/// Before the timestamp inherent is applied, it returns the time of previous block.
///
/// On genesis the time returned is not valid.
impl<T: Trait> UnixTime for Module<T> {
fn now() -> core::time::Duration {
// now is duration since unix epoch in millisecond as documented in
// `sp_timestamp::InherentDataProvider`.
let now = Self::now();
sp_std::if_std! {
if now == T::Moment::zero() {
debug::error!(
"`pallet_timestamp::UnixTime::now` is called at genesis, invalid value returned: 0"
);
}
}
core::time::Duration::from_millis(now.saturated_into::<u64>())
}
}
#[cfg(test)]
mod tests {
use super::*;