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Submit (& sign) extrinsics from the runtime. (#3514)

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* Abstract constructing extrinsic and signing.

* Initial impl of signer.

* Implement get payload.

* Clean up the code.

* Improve docs.

* Bump version.

* Update core/sr-primitives/src/generic/unchecked_extrinsic.rs

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

* Fix tests & address grumbles.

* Fix build.

* Fix runtime tests.

* Fix bound test.

* Fix bound test.
This commit is contained in:
Tomasz Drwięga
2019-09-01 02:19:04 +02:00
committed by Gavin Wood
parent 0cae7217d8
commit feecfc856d
15 changed files with 346 additions and 71 deletions
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substrate/srml/im-online/src/lib.rs
+18 -9
View File
@@ -75,7 +75,7 @@ use session::historical::IdentificationTuple;
use sr_io::Printable;
use sr_primitives::{
Perbill, ApplyError,
traits::{Convert, Extrinsic as ExtrinsicT, Member},
traits::{Convert, Member},
transaction_validity::{TransactionValidity, TransactionLongevity, ValidTransaction},
};
use sr_staking_primitives::{
@@ -87,11 +87,18 @@ use srml_support::{
Parameter, StorageValue, StorageDoubleMap,
};
use system::ensure_none;
use system::offchain::SubmitUnsignedTransaction;
pub mod sr25519 {
mod app_sr25519 {
use app_crypto::{app_crypto, key_types::IM_ONLINE, sr25519};
app_crypto!(sr25519, IM_ONLINE);
impl From<Signature> for sr_primitives::AnySignature {
fn from(sig: Signature) -> Self {
sr25519::Signature::from(sig).into()
}
}
}
/// An i'm online keypair using sr25519 as its crypto.
@@ -109,6 +116,12 @@ pub mod ed25519 {
mod app_ed25519 {
use app_crypto::{app_crypto, key_types::IM_ONLINE, ed25519};
app_crypto!(ed25519, IM_ONLINE);
impl From<Signature> for sr_primitives::AnySignature {
fn from(sig: Signature) -> Self {
ed25519::Signature::from(sig).into()
}
}
}
/// An i'm online keypair using ed25519 as its crypto.
@@ -141,7 +154,6 @@ struct WorkerStatus<BlockNumber> {
// Error which may occur while executing the off-chain code.
enum OffchainErr {
DecodeWorkerStatus,
ExtrinsicCreation,
FailedSigning,
NetworkState,
SubmitTransaction,
@@ -151,7 +163,6 @@ impl Printable for OffchainErr {
fn print(self) {
match self {
OffchainErr::DecodeWorkerStatus => print("Offchain error: decoding WorkerStatus failed!"),
OffchainErr::ExtrinsicCreation => print("Offchain error: extrinsic creation failed!"),
OffchainErr::FailedSigning => print("Offchain error: signing failed!"),
OffchainErr::NetworkState => print("Offchain error: fetching network state failed!"),
OffchainErr::SubmitTransaction => print("Offchain error: submitting transaction failed!"),
@@ -183,9 +194,8 @@ pub trait Trait: system::Trait + session::historical::Trait {
/// A dispatchable call type.
type Call: From<Call<Self>>;
/// A extrinsic right from the external world. This is unchecked and so
/// can contain a signature.
type UncheckedExtrinsic: ExtrinsicT<Call=<Self as Trait>::Call> + Encode + Decode;
/// A transaction submitter.
type SubmitTransaction: SubmitUnsignedTransaction<Self, <Self as Trait>::Call>;
/// A type that gives us the ability to submit unresponsiveness offence reports.
type ReportUnresponsiveness:
@@ -332,9 +342,8 @@ impl<T: Trait> Module<T> {
let signature = key.sign(&heartbeat_data.encode()).ok_or(OffchainErr::FailedSigning)?;
let call = Call::heartbeat(heartbeat_data, signature);
let ex = T::UncheckedExtrinsic::new_unsigned(call.into())
.ok_or(OffchainErr::ExtrinsicCreation)?;
sr_io::submit_transaction(&ex).map_err(|_| OffchainErr::SubmitTransaction)?;
T::SubmitTransaction::submit_unsigned(call)
.map_err(|_| OffchainErr::SubmitTransaction)?;
// once finished we set the worker status without comparing
// if the existing value changed in the meantime. this is