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CheckInherentError can now report when something would be valid (#1204)

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* CheckInherentError can now report when something would be valid

* set timestamp inherent to next valid block time

* return max timestamp for valid-after when checking
This commit is contained in:
Robert Habermeier
2018-12-04 09:19:36 +01:00
committed by Bastian Köcher
parent 93b212d2cc
commit 9bccc9661c
6 changed files with 30 additions and 13 deletions
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substrate/srml/timestamp/src/lib.rs
+6 -4
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@@ -46,8 +46,6 @@ extern crate sr_primitives as runtime_primitives;
extern crate srml_system as system;
extern crate srml_consensus as consensus;
extern crate parity_codec as codec;
#[macro_use]
extern crate parity_codec_derive;
use codec::HasCompact;
use runtime_support::{StorageValue, Parameter};
@@ -136,7 +134,8 @@ impl<T: Trait> ProvideInherent for Module<T> {
type Call = Call<T>;
fn create_inherent_extrinsics(data: Self::Inherent) -> Vec<(u32, Self::Call)> {
vec![(T::TIMESTAMP_SET_POSITION, Call::set(data.into()))]
let next_time = ::rstd::cmp::max(data, Self::now() + Self::block_period());
vec![(T::TIMESTAMP_SET_POSITION, Call::set(next_time.into()))]
}
fn check_inherent<Block: BlockT, F: Fn(&Block::Extrinsic) -> Option<&Self::Call>>(
@@ -152,8 +151,11 @@ impl<T: Trait> ProvideInherent for Module<T> {
_ => return Err(CheckInherentError::Other("No valid timestamp inherent in block".into())),
}.into().as_();
let minimum = (Self::now() + Self::block_period()).as_();
if t > data.as_() + MAX_TIMESTAMP_DRIFT {
Err(CheckInherentError::TimestampInFuture(t))
Err(CheckInherentError::Other("Timestamp too far in future to accept".into()))
} else if t < minimum {
Err(CheckInherentError::ValidAtTimestamp(minimum))
} else {
Ok(())
}