Bring back SubmitSignedTransaction trait. (#3908)

* Bring back SubmitSignedTransaction.

* Fix long lines.

* Add missing docs.

* Update core/primitives/src/crypto.rs

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

* Update node/runtime/src/lib.rs

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

* Update core/primitives/src/crypto.rs

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Tomasz Drwięga
2019-10-25 12:24:58 +02:00
committed by Gavin Wood
parent e05e624a3a
commit cecf3a1438
5 changed files with 173 additions and 18 deletions
+52 -1
View File
@@ -42,7 +42,7 @@ use sr_primitives::curve::PiecewiseLinear;
use sr_primitives::transaction_validity::TransactionValidity;
use sr_primitives::weights::Weight;
use sr_primitives::traits::{
BlakeTwo256, Block as BlockT, NumberFor, StaticLookup,
self, BlakeTwo256, Block as BlockT, NumberFor, StaticLookup, SaturatedConversion,
};
use version::RuntimeVersion;
#[cfg(any(feature = "std", test))]
@@ -459,6 +459,36 @@ impl finality_tracker::Trait for Runtime {
type ReportLatency = ReportLatency;
}
impl system::offchain::CreateTransaction<Runtime, UncheckedExtrinsic> for Runtime {
type Public = <Signature as traits::Verify>::Signer;
type Signature = Signature;
fn create_transaction<F: system::offchain::Signer<Self::Public, Self::Signature>>(
call: Call,
public: Self::Public,
account: AccountId,
index: Index,
) -> Option<(Call, <UncheckedExtrinsic as traits::Extrinsic>::SignaturePayload)> {
let period = 1 << 8;
let current_block = System::block_number().saturated_into::<u64>();
let tip = 0;
let extra: SignedExtra = (
system::CheckVersion::<Runtime>::new(),
system::CheckGenesis::<Runtime>::new(),
system::CheckEra::<Runtime>::from(generic::Era::mortal(period, current_block)),
system::CheckNonce::<Runtime>::from(index),
system::CheckWeight::<Runtime>::new(),
transaction_payment::ChargeTransactionPayment::<Runtime>::from(tip),
Default::default(),
);
let raw_payload = SignedPayload::new(call, extra).ok()?;
let signature = F::sign(public, &raw_payload)?;
let address = Indices::unlookup(account);
let (call, extra, _) = raw_payload.deconstruct();
Some((call, (address, signature, extra)))
}
}
construct_runtime!(
pub enum Runtime where
Block = Block,
@@ -669,3 +699,24 @@ impl_runtime_apis! {
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use system::offchain::SubmitSignedTransaction;
fn is_submit_signed_transaction<T>(_arg: T) where
T: SubmitSignedTransaction<
Runtime,
Call,
Extrinsic=UncheckedExtrinsic,
CreateTransaction=Runtime,
Signer=ImOnlineId,
>,
{}
#[test]
fn validate_bounds() {
let x = SubmitTransaction::default();
is_submit_signed_transaction(x);
}
}