feat: add the MultidappClaimer as an experimental feature for sunodo

offchain/advance-runner/src/broker.rs

@@ -55,7 +55,7 @@ impl BrokerFacade {
         let client = Broker::new(config).await.context(BrokerInternalSnafu)?;
         let inputs_stream = RollupsInputsStream::new(&dapp_metadata);
         let outputs_stream = RollupsOutputsStream::new(&dapp_metadata);
-        let claims_stream = RollupsClaimsStream::new(dapp_metadata.chain_id);
+        let claims_stream = RollupsClaimsStream::new(&dapp_metadata);
         Ok(Self {
             client,
             inputs_stream,

offchain/authority-claimer/src/claimer.rs

@@ -3,8 +3,10 @@
 
 use async_trait::async_trait;
 use snafu::ResultExt;
-use std::fmt::Debug;
-use tracing::{info, trace};
+use std::{collections::HashMap, fmt::Debug};
+use tracing::{debug, info};
+
+use rollups_events::Address;
 
 use crate::{
     checker::DuplicateChecker, listener::BrokerListener,
@@ -31,6 +33,9 @@ pub enum ClaimerError<
     D: DuplicateChecker,
     T: TransactionSender,
 > {
+    #[snafu(display("invalid app address {:?}", app_address))]
+    InvalidAppAddress { app_address: Address },
+
     #[snafu(display("broker listener error"))]
     BrokerListenerError { source: B::Error },
 
@@ -84,25 +89,113 @@ where
     type Error = ClaimerError<B, D, T>;
 
     async fn start(mut self) -> Result<(), Self::Error> {
-        trace!("Starting the authority claimer loop");
+        debug!("Starting the authority claimer loop");
         loop {
             let rollups_claim = self
                 .broker_listener
                 .listen()
                 .await
                 .context(BrokerListenerSnafu)?;
-            trace!("Got a claim from the broker: {:?}", rollups_claim);
+            debug!("Got a claim from the broker: {:?}", rollups_claim);
 
             let is_duplicated_rollups_claim = self
                 .duplicate_checker
                 .is_duplicated_rollups_claim(&rollups_claim)
                 .await
                 .context(DuplicatedClaimSnafu)?;
             if is_duplicated_rollups_claim {
-                trace!("It was a duplicated claim");
+                debug!("It was a duplicated claim");
+                continue;
+            }
+
+            info!("Sending a new rollups claim");
+            self.transaction_sender = self
+                .transaction_sender
+                .send_rollups_claim_transaction(rollups_claim)
+                .await
+                .context(TransactionSenderSnafu)?
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+// MultidappClaimer
+// ------------------------------------------------------------------------------------------------
+
+/// The `MultidappClaimer` must be injected with a `BrokerListener`, a map of `Address` to
+/// `DuplicateChecker`, and a `TransactionSender`.
+#[derive(Debug)]
+pub struct MultidappClaimer<
+    B: BrokerListener,
+    D: DuplicateChecker,
+    T: TransactionSender,
+> {
+    broker_listener: B,
+    duplicate_checkers: HashMap<Address, D>,
+    transaction_sender: T,
+}
+
+impl<B: BrokerListener, D: DuplicateChecker, T: TransactionSender>
+    MultidappClaimer<B, D, T>
+{
+    pub fn new(
+        broker_listener: B,
+        duplicate_checkers: HashMap<Address, D>,
+        transaction_sender: T,
+    ) -> Self {
+        Self {
+            broker_listener,
+            duplicate_checkers,
+            transaction_sender,
+        }
+    }
+}
+
+#[async_trait]
+impl<B, D, T> Claimer for MultidappClaimer<B, D, T>
+where
+    B: BrokerListener + Send + Sync + 'static,
+    D: DuplicateChecker + Send + Sync + 'static,
+    T: TransactionSender + Send + 'static,
+{
+    type Error = ClaimerError<B, D, T>;
+
+    async fn start(mut self) -> Result<(), Self::Error> {
+        debug!("Starting the multidapp authority claimer loop");
+        loop {
+            // Listens for claims from multiple dapps.
+            let rollups_claim = self
+                .broker_listener
+                .listen()
+                .await
+                .context(BrokerListenerSnafu)?;
+            let dapp_address = rollups_claim.dapp_address.clone();
+            debug!(
+                "Got a claim from the broker for {:?}: {:?}",
+                dapp_address, rollups_claim
+            );
+
+            // Gets the duplicate checker for the dapp.
+            let duplicate_checker = self
+                .duplicate_checkers
+                .get_mut(&dapp_address)
+                .ok_or(ClaimerError::InvalidAppAddress {
+                    app_address: dapp_address.clone(),
+                })?;
+
+            // Checks for duplicates.
+            let is_duplicated_rollups_claim = duplicate_checker
+                .is_duplicated_rollups_claim(&rollups_claim)
+                .await
+                .context(DuplicatedClaimSnafu)?;
+
+            // If it is a duplicate, the loop continues.
+            if is_duplicated_rollups_claim {
+                debug!("It was a duplicated claim");
                 continue;
             }
 
+            // Sends the claim.
             info!("Sending a new rollups claim");
             self.transaction_sender = self
                 .transaction_sender

offchain/authority-claimer/src/lib.rs

@@ -9,7 +9,10 @@ pub mod metrics;
 pub mod sender;
 pub mod signer;
 
-use config::Config;
+use claimer::MultidappClaimer;
+use config::{AuthorityClaimerConfig, Config};
+use listener::MultidappBrokerListener;
+use rollups_events::Address;
 use snafu::Error;
 use tracing::trace;
 
@@ -28,13 +31,43 @@ pub async fn run(config: Config) -> Result<(), Box<dyn Error>> {
         http_server::start(config.http_server_config, metrics.clone().into());
 
     let config = config.authority_claimer_config;
-    let chain_id = config.tx_manager_config.chain_id;
 
+    let claimer = create_default_claimer(metrics, config).await?;
+
+    let claimer_handle = claimer.start();
+
+    // Starting the HTTP server and the claimer loop.
+    tokio::select! {
+        ret = http_server_handle => { ret? }
+        ret = claimer_handle     => { ret? }
+    };
+
+    unreachable!()
+}
+
+async fn create_default_claimer(
+    metrics: AuthorityClaimerMetrics,
+    config: AuthorityClaimerConfig,
+) -> Result<
+    DefaultClaimer<
+        DefaultBrokerListener,
+        DefaultDuplicateChecker,
+        DefaultTransactionSender,
+    >,
+    Box<dyn Error>,
+> {
     // Creating the broker listener.
     trace!("Creating the broker listener");
-    let broker_listener =
-        DefaultBrokerListener::new(config.broker_config.clone(), chain_id)
-            .await?;
+
+    let chain_id = config.tx_manager_config.chain_id;
+    let dapp_address = Address::default(); // TODO
+
+    let broker_listener = DefaultBrokerListener::new(
+        config.broker_config.clone(),
+        chain_id,
+        dapp_address,
+    )
+    .await?;
 
     // Creating the duplicate checker.
     trace!("Creating the duplicate checker");
@@ -52,19 +85,26 @@ pub async fn run(config: Config) -> Result<(), Box<dyn Error>> {
         DefaultTransactionSender::new(config.clone(), chain_id, metrics)
             .await?;
 
-    // Creating the claimer loop.
+    // Creating the claimer.
     let claimer = DefaultClaimer::new(
         broker_listener,
         duplicate_checker,
         transaction_sender,
     );
-    let claimer_handle = claimer.start();
 
-    // Starting the HTTP server and the claimer loop.
-    tokio::select! {
-        ret = http_server_handle => { ret? }
-        ret = claimer_handle     => { ret? }
-    };
+    Ok(claimer)
+}
 
-    unreachable!()
+async fn create_multidapp_claimer(
+    _metrics: AuthorityClaimerMetrics,
+    _config: AuthorityClaimerConfig,
+) -> Result<
+    MultidappClaimer<
+        MultidappBrokerListener,
+        DefaultDuplicateChecker,
+        DefaultTransactionSender,
+    >,
+    Box<dyn Error>,
+> {
+    todo!()
 }