Update sync lookback hours and request-response behavior

Cargo.toml

@@ -21,6 +21,8 @@ libp2p = { version = "0.53.2", features = [
     "identify",
     "ping",
     "dns",
+    "request-response",
+    "cbor"
 ] }
 tokio = { version = "1.36.0", features = ["full"] }
 eyre = "0.6.12"

docs/OPERATION.md

@@ -58,6 +58,7 @@ INTERACTIVE: bool (false)                   - If true, interactive repl will run
 ENABLE_RPC: bool (true)                     - If true, rpc will be used for rules evaluation
 ADMIN_API_SECRET: Option<String> (None)     - Secret key used to access admin api routes
 RATE_LIMIT_RPS: u32 (2)                     - Rate limit requests per second for the http api
+SYNC_LOOKBACK_HOURS: u64 (6)                - Number of hours to look back for syncing premints from another node
 ```
 
 #### Logging

examples/extra_rules_and_routes.rs

@@ -27,7 +27,7 @@ async fn main() -> eyre::Result<()> {
     rules.add_rule(metadata_rule!(only_odd_token_ids));
     rules.add_rule(Box::new(MustStartWithA {}));
 
-    let ctl = mintpool::run::start_p2p_services(&config, rules).await?;
+    let ctl = mintpool::run::start_p2p_services(config.clone(), rules).await?;
 
     // Add some custom routes in addition to the defaults. You could also add middleware or anything else you can do with axum.
     let mut router = mintpool::api::router_with_defaults(&config);

src/config.rs

@@ -7,7 +7,7 @@ use rand::Rng;
 use crate::chain_list::CHAINS;
 use crate::types::PremintName;
 
-#[derive(Envconfig, Debug)]
+#[derive(Envconfig, Debug, Clone)]
 pub struct Config {
     // Used to derive an ed25519 keypair for node identity
     // Should be 32 bytes of random hex.
@@ -75,6 +75,9 @@ pub struct Config {
     // If set to chain, will check the Zora Network MintpoolTrusted nodes contract for boot nodes
     #[envconfig(from = "BOOT_NODES", default = "chain")]
     pub boot_nodes: BootNodes,
+
+    #[envconfig(from = "SYNC_LOOKBACK_HOURS", default = "6")]
+    pub sync_lookback_hours: u64,
 }
 
 impl Config {
@@ -100,6 +103,7 @@ impl Config {
             admin_api_secret: None,
             rate_limit_rps: 1,
             boot_nodes: BootNodes::None,
+            sync_lookback_hours: 6,
         }
     }
 }
@@ -227,6 +231,7 @@ mod test {
             admin_api_secret: None,
             rate_limit_rps: 1,
             boot_nodes: BootNodes::Chain,
+            sync_lookback_hours: 0,
         };
 
         let names = config.premint_names();
@@ -255,6 +260,7 @@ mod test {
             admin_api_secret: None,
             rate_limit_rps: 1,
             boot_nodes: BootNodes::None,
+            sync_lookback_hours: 0,
         };
 
         let names = config.premint_names();

src/controller.rs

@@ -1,14 +1,17 @@
 use crate::chain::inclusion_claim_correct;
 use crate::config::{ChainInclusionMode, Config};
+use chrono::Utc;
 use eyre::WrapErr;
 use libp2p::PeerId;
 use sqlx::SqlitePool;
+use std::ops::Sub;
+use std::time::{Duration, SystemTime};
 use tokio::select;
 use tokio::sync::{mpsc, oneshot};
 
 use crate::p2p::NetworkState;
 use crate::rules::{Results, RulesEngine};
-use crate::storage::{PremintStorage, Reader, Writer};
+use crate::storage::{list_all_with_options, PremintStorage, QueryOptions, Reader, Writer};
 use crate::types::{
     InclusionClaim, MintpoolNodeInfo, PeerInclusionClaim, PremintName, PremintTypes,
 };
@@ -38,6 +41,13 @@ pub enum P2PEvent {
     NetworkState(NetworkState),
     PremintReceived(PremintTypes),
     MintSeenOnchain(PeerInclusionClaim),
+    SyncRequest {
+        query: QueryOptions,
+        channel: oneshot::Sender<eyre::Result<Vec<PremintTypes>>>,
+    },
+    SyncResponse {
+        premints: Vec<PremintTypes>,
+    },
 }
 
 pub enum ControllerCommands {
@@ -71,13 +81,13 @@ pub struct Controller {
     external_commands: mpsc::Receiver<ControllerCommands>,
     store: PremintStorage,
     rules: RulesEngine<PremintStorage>,
-    trusted_peers: Vec<PeerId>,
-    inclusion_mode: ChainInclusionMode,
+
+    config: Config,
 }
 
 impl Controller {
     pub fn new(
-        config: &Config,
+        config: Config,
         swarm_command_sender: mpsc::Sender<SwarmCommand>,
         swarm_event_receiver: mpsc::Receiver<P2PEvent>,
         external_commands: mpsc::Receiver<ControllerCommands>,
@@ -90,8 +100,7 @@ impl Controller {
             external_commands,
             store,
             rules,
-            trusted_peers: config.trusted_peers(),
-            inclusion_mode: config.chain_inclusion_mode,
+            config,
         }
     }
 
@@ -127,6 +136,18 @@ impl Controller {
                     tracing::error!("Error handling onchain claim: {:?}", err);
                 }
             }
+            P2PEvent::SyncRequest { query, channel } => {
+                let events = list_all_with_options(&self.store.db(), &query).await;
+                if let Err(Err(err)) = channel.send(events) {
+                    tracing::error!("Error sending sync response: {:?}", err);
+                }
+                tracing::info!(histogram.sync_request_processed = 1);
+            }
+            P2PEvent::SyncResponse { premints } => {
+                for premint in premints {
+                    let _ = self.validate_and_insert(premint).await;
+                }
+            }
         }
     }
 
@@ -205,7 +226,7 @@ impl Controller {
                     tracing::debug!("Marked as seen onchain {:?}", claim.clone());
                 }
 
-                if self.inclusion_mode == ChainInclusionMode::Check {
+                if self.config.chain_inclusion_mode == ChainInclusionMode::Check {
                     if let Err(err) = self
                         .swarm_command_sender
                         .send(SwarmCommand::SendOnchainMintFound(claim))
@@ -239,7 +260,7 @@ impl Controller {
     }
 
     async fn handle_event_onchain_claim(&self, peer_claim: PeerInclusionClaim) -> eyre::Result<()> {
-        match self.inclusion_mode {
+        match self.config.chain_inclusion_mode {
             ChainInclusionMode::Check | ChainInclusionMode::Verify => {
                 let claim = peer_claim.claim;
                 let premint = self
@@ -262,7 +283,11 @@ impl Controller {
                 }
             }
             ChainInclusionMode::Trust => {
-                if self.trusted_peers.contains(&peer_claim.from_peer_id) {
+                if self
+                    .config
+                    .trusted_peers()
+                    .contains(&peer_claim.from_peer_id)
+                {
                     self.store
                         .mark_seen_on_chain(peer_claim.claim.clone())
                         .await?;

src/main.rs

@@ -18,7 +18,7 @@ async fn main() -> eyre::Result<()> {
 
     let mut rules = RulesEngine::new(&config);
     rules.add_default_rules();
-    let ctl = start_p2p_services(&config, rules).await?;
+    let ctl = start_p2p_services(config.clone(), rules).await?;
 
     let router = api::router_with_defaults(&config).merge(metrics_router);
     api::start_api(&config, ctl.clone(), router, true).await?;