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use mortal transactions in transaction resubmitter (paritytech#1326)
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svyatonik authored Feb 21, 2022
1 parent af24ba7 commit 6403ccf
Showing 1 changed file with 33 additions and 24 deletions.
57 changes: 33 additions & 24 deletions bridges/relays/bin-substrate/src/cli/resubmit_transactions.rs
Original file line number Diff line number Diff line change
Expand Up @@ -19,17 +19,18 @@ use crate::cli::{Balance, TargetConnectionParams, TargetSigningParams};
use codec::{Decode, Encode};
use num_traits::{One, Zero};
use relay_substrate_client::{
BlockWithJustification, Chain, Client, Error as SubstrateError, HeaderOf, SignParam,
TransactionSignScheme,
BlockWithJustification, Chain, Client, Error as SubstrateError, HeaderIdOf, HeaderOf,
SignParam, TransactionSignScheme,
};
use relay_utils::FailedClient;
use relay_utils::{FailedClient, HeaderId};
use sp_core::Bytes;
use sp_runtime::{
traits::{Hash, Header as HeaderT},
transaction_validity::TransactionPriority,
};
use structopt::StructOpt;
use strum::{EnumString, EnumVariantNames, VariantNames};
use substrate_relay_helper::TransactionParams;

/// Start resubmit transactions process.
#[derive(StructOpt)]
Expand Down Expand Up @@ -122,13 +123,16 @@ impl ResubmitTransactions {
select_bridge!(self.chain, {
let relay_loop_name = format!("ResubmitTransactions{}", Target::NAME);
let client = self.target.to_client::<Target>(TARGET_RUNTIME_VERSION).await?;
let key_pair = self.target_sign.to_keypair::<Target>()?;
let transaction_params = TransactionParams {
signer: self.target_sign.to_keypair::<Target>()?,
mortality: self.target_sign.target_transactions_mortality,
};

relay_utils::relay_loop((), client)
.run(relay_loop_name, move |_, client, _| {
run_until_connection_lost::<Target, TargetSign>(
client,
key_pair.clone(),
transaction_params.clone(),
Context {
strategy: self.strategy,
best_header: HeaderOf::<Target>::new(
Expand Down Expand Up @@ -219,13 +223,14 @@ impl<C: Chain> Context<C> {
/// Run resubmit transactions loop.
async fn run_until_connection_lost<C: Chain, S: TransactionSignScheme<Chain = C>>(
client: Client<C>,
key_pair: S::AccountKeyPair,
transaction_params: TransactionParams<S::AccountKeyPair>,
mut context: Context<C>,
) -> Result<(), FailedClient> {
loop {
async_std::task::sleep(C::AVERAGE_BLOCK_INTERVAL).await;

let result = run_loop_iteration::<C, S>(client.clone(), key_pair.clone(), context).await;
let result =
run_loop_iteration::<C, S>(client.clone(), transaction_params.clone(), context).await;
context = match result {
Ok(context) => context,
Err(error) => {
Expand All @@ -244,20 +249,21 @@ async fn run_until_connection_lost<C: Chain, S: TransactionSignScheme<Chain = C>
/// Run single loop iteration.
async fn run_loop_iteration<C: Chain, S: TransactionSignScheme<Chain = C>>(
client: Client<C>,
key_pair: S::AccountKeyPair,
transaction_params: TransactionParams<S::AccountKeyPair>,
mut context: Context<C>,
) -> Result<Context<C>, SubstrateError> {
// correct best header is required for all other actions
context.best_header = client.best_header().await?;

// check if there's queued transaction, signed by given author
let original_transaction = match lookup_signer_transaction::<C, S>(&client, &key_pair).await? {
Some(original_transaction) => original_transaction,
None => {
log::trace!(target: "bridge", "No {} transactions from required signer in the txpool", C::NAME);
return Ok(context)
},
};
let original_transaction =
match lookup_signer_transaction::<C, S>(&client, &transaction_params.signer).await? {
Some(original_transaction) => original_transaction,
None => {
log::trace!(target: "bridge", "No {} transactions from required signer in the txpool", C::NAME);
return Ok(context)
},
};
let original_transaction_hash = C::Hasher::hash(&original_transaction.encode());
let context = context.notice_transaction(original_transaction_hash);

Expand Down Expand Up @@ -287,8 +293,8 @@ async fn run_loop_iteration<C: Chain, S: TransactionSignScheme<Chain = C>>(
// update transaction tip
let (is_updated, updated_transaction) = update_transaction_tip::<C, S>(
&client,
&key_pair,
context.best_header.hash(),
&transaction_params,
HeaderId(*context.best_header.number(), context.best_header.hash()),
original_transaction,
context.tip_step,
context.tip_limit,
Expand Down Expand Up @@ -404,15 +410,15 @@ fn select_transaction_from_queue<C: Chain>(
/// Try to find appropriate tip for transaction so that its priority is larger than given.
async fn update_transaction_tip<C: Chain, S: TransactionSignScheme<Chain = C>>(
client: &Client<C>,
key_pair: &S::AccountKeyPair,
at_block: C::Hash,
transaction_params: &TransactionParams<S::AccountKeyPair>,
at_block: HeaderIdOf<C>,
tx: S::SignedTransaction,
tip_step: C::Balance,
tip_limit: C::Balance,
target_priority: TransactionPriority,
) -> Result<(bool, S::SignedTransaction), SubstrateError> {
let stx = format!("{:?}", tx);
let mut current_priority = client.validate_transaction(at_block, tx.clone()).await??.priority;
let mut current_priority = client.validate_transaction(at_block.1, tx.clone()).await??.priority;
let mut unsigned_tx = S::parse_transaction(tx).ok_or_else(|| {
SubstrateError::Custom(format!("Failed to parse {} transaction {}", C::NAME, stx,))
})?;
Expand All @@ -437,12 +443,12 @@ async fn update_transaction_tip<C: Chain, S: TransactionSignScheme<Chain = C>>(
unsigned_tx.tip = next_tip;
current_priority = client
.validate_transaction(
at_block,
at_block.1,
S::sign_transaction(SignParam {
spec_version,
transaction_version,
genesis_hash: *client.genesis_hash(),
signer: key_pair.clone(),
signer: transaction_params.signer.clone(),
era: relay_substrate_client::TransactionEra::immortal(),
unsigned: unsigned_tx.clone(),
})?,
Expand All @@ -465,8 +471,11 @@ async fn update_transaction_tip<C: Chain, S: TransactionSignScheme<Chain = C>>(
spec_version,
transaction_version,
genesis_hash: *client.genesis_hash(),
signer: key_pair.clone(),
era: relay_substrate_client::TransactionEra::immortal(),
signer: transaction_params.signer.clone(),
era: relay_substrate_client::TransactionEra::new(
at_block,
transaction_params.mortality,
),
unsigned: unsigned_tx,
})?,
))
Expand Down

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