feat(gRPC): Add transaction and read/write services for internal usage

crates/iota-config/Cargo.toml

@@ -30,7 +30,6 @@ tracing.workspace = true
 # internal dependencies
 consensus-config.workspace = true
 iota-genesis-common.workspace = true
-iota-grpc-api.workspace = true
 iota-keys.workspace = true
 iota-names.workspace = true
 iota-rest-api.workspace = true

crates/iota-config/src/node.rs

@@ -266,7 +266,47 @@ pub struct NodeConfig {
         default = "default_grpc_api_config",
         skip_serializing_if = "Option::is_none"
     )]
-    pub grpc_api_config: Option<iota_grpc_api::Config>,
+    pub grpc_api_config: Option<GrpcApiConfig>,
+}
+
+/// Configuration for the gRPC API service
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct GrpcApiConfig {
+    /// The address to bind the gRPC server to
+    #[serde(default = "default_grpc_api_address")]
+    pub address: std::net::SocketAddr,
+
+    /// Buffer size for broadcast channels used for checkpoint streaming
+    #[serde(default = "default_checkpoint_broadcast_buffer_size")]
+    pub checkpoint_broadcast_buffer_size: usize,
+
+    /// Buffer size for broadcast channels used for event streaming
+    #[serde(default = "default_event_broadcast_buffer_size")]
+    pub event_broadcast_buffer_size: usize,
+}
+
+impl Default for GrpcApiConfig {
+    fn default() -> Self {
+        Self {
+            address: default_grpc_api_address(),
+            checkpoint_broadcast_buffer_size: default_checkpoint_broadcast_buffer_size(),
+            event_broadcast_buffer_size: default_event_broadcast_buffer_size(),
+        }
+    }
+}
+
+fn default_grpc_api_address() -> std::net::SocketAddr {
+    use std::net::{IpAddr, Ipv4Addr};
+    std::net::SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 50051)
+}
+
+fn default_checkpoint_broadcast_buffer_size() -> usize {
+    100
+}
+
+fn default_event_broadcast_buffer_size() -> usize {
+    1000
 }
 
 #[derive(Clone, Copy, Debug, Default, Deserialize, Serialize)]
@@ -576,7 +616,7 @@ pub fn default_json_rpc_address() -> SocketAddr {
     SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 9000)
 }
 
-pub fn default_grpc_api_config() -> Option<iota_grpc_api::Config> {
+pub fn default_grpc_api_config() -> Option<GrpcApiConfig> {
     None
 }
 

crates/iota-core/Cargo.toml

@@ -68,8 +68,6 @@ iota-config.workspace = true
 iota-execution.workspace = true
 iota-framework.workspace = true
 iota-genesis-builder.workspace = true
-iota-grpc-api.workspace = true
-iota-grpc-types.workspace = true
 iota-json-rpc-types.workspace = true
 iota-macros.workspace = true
 iota-metrics.workspace = true

crates/iota-core/src/storage.rs

@@ -28,7 +28,7 @@ use tap::Pipe;
 use tracing::instrument;
 
 use crate::{
-    authority::AuthorityState,
+    authority::{AuthorityState, authority_per_epoch_store::AuthorityPerEpochStore},
     checkpoints::CheckpointStore,
     epoch::committee_store::CommitteeStore,
     execution_cache::ExecutionCacheTraitPointers,
@@ -380,6 +380,16 @@ impl RestReadStore {
             iota_types::storage::error::Error::custom("rest index store is disabled")
         })
     }
+
+    /// Get access to the underlying AuthorityState
+    pub fn authority_state(&self) -> &Arc<AuthorityState> {
+        &self.state
+    }
+
+    /// Load epoch store for transaction processing
+    pub fn load_epoch_store_one_call_per_task(&self) -> Arc<AuthorityPerEpochStore> {
+        self.state.load_epoch_store_one_call_per_task().clone()
+    }
 }
 
 impl ObjectStore for RestReadStore {
@@ -534,6 +544,10 @@ impl RestStateReader for RestReadStore {
     fn indexes(&self) -> Option<&dyn RestIndexes> {
         self.index().ok().map(|index| index as _)
     }
+
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
 }
 
 impl RestIndexes for RestIndexStore {

crates/iota-core/src/subscription_handler.rs

@@ -4,7 +4,6 @@
 
 use std::sync::Arc;
 
-use iota_grpc_api::EventSubscriber;
 use iota_json_rpc_types::{
     EffectsWithInput, EventFilter, IotaEvent, IotaTransactionBlockEffects,
     IotaTransactionBlockEffectsAPI, IotaTransactionBlockEvents, TransactionFilter,
@@ -14,7 +13,6 @@ use prometheus::{
     IntCounterVec, IntGaugeVec, Registry, register_int_counter_vec_with_registry,
     register_int_gauge_vec_with_registry,
 };
-use tokio_stream::Stream;
 use tracing::{error, instrument, trace};
 
 use crate::streamer::Streamer;
@@ -114,24 +112,17 @@ impl SubscriptionHandler {
         Ok(())
     }
 
-    pub fn subscribe_events(&self, filter: EventFilter) -> impl Stream<Item = IotaEvent> {
-        self.event_streamer.subscribe(filter)
+    pub fn subscribe_events(
+        &self,
+        filter: EventFilter,
+    ) -> Box<dyn futures::Stream<Item = IotaEvent> + Send + Unpin> {
+        Box::new(Box::pin(self.event_streamer.subscribe(filter)))
     }
 
     pub fn subscribe_transactions(
         &self,
         filter: TransactionFilter,
-    ) -> impl Stream<Item = IotaTransactionBlockEffects> {
-        self.transaction_streamer.subscribe(filter)
-    }
-}
-
-// Implement EventSubscriber trait for gRPC integration
-impl EventSubscriber for SubscriptionHandler {
-    fn subscribe_events(
-        &self,
-        filter: EventFilter,
-    ) -> Box<dyn futures::Stream<Item = IotaEvent> + Send + Unpin> {
-        Box::new(Box::pin(self.event_streamer.subscribe(filter)))
+    ) -> Box<dyn futures::Stream<Item = IotaTransactionBlockEffects> + Send + Unpin> {
+        Box::new(Box::pin(self.transaction_streamer.subscribe(filter)))
     }
 }

crates/iota-grpc-api/Cargo.toml

@@ -14,6 +14,7 @@ workspace = true
 anyhow.workspace = true
 async-stream = "0.3"
 bcs.workspace = true
+fastcrypto.workspace = true
 futures.workspace = true
 prost.workspace = true
 serde.workspace = true
@@ -25,14 +26,23 @@ tonic.workspace = true
 tracing.workspace = true
 
 # internal dependencies
+iota-config.workspace = true
+iota-core.workspace = true
 iota-grpc-types.workspace = true
+iota-json-rpc.workspace = true
 iota-json-rpc-types.workspace = true
+iota-metrics.workspace = true
+iota-storage.workspace = true
 iota-types.workspace = true
 move-core-types.workspace = true
 
 [build-dependencies]
 tonic-build.workspace = true
 
 [dev-dependencies]
+# external dependencies
+prometheus.workspace = true
+
+# internal dependencies
 iota-config.workspace = true
 test-cluster.workspace = true

crates/iota-grpc-api/build.rs

@@ -8,6 +8,9 @@ fn main() {
                 "proto/common.proto",
                 "proto/checkpoint.proto",
                 "proto/event.proto",
+                "proto/transaction.proto",
+                "proto/read.proto",
+                "proto/write.proto",
             ],
             &["proto/"],
         )

crates/iota-grpc-api/proto/checkpoint.proto

@@ -11,6 +11,7 @@ service CheckpointService {
   // Checkpoint operations
   rpc StreamCheckpoints (CheckpointStreamRequest) returns (stream Checkpoint);
   rpc GetEpochFirstCheckpointSequenceNumber (EpochRequest) returns (CheckpointSequenceNumberResponse);
+  rpc GetLatestCheckpoint (GetLatestCheckpointRequest) returns (Checkpoint);
 }
 
 message CheckpointStreamRequest {
@@ -28,6 +29,12 @@ message CheckpointSequenceNumberResponse {
   uint64 sequence_number = 1;
 }
 
+// Get the latest checkpoint information
+message GetLatestCheckpointRequest {
+  // If true, get the full CheckpointData (not just the summary).
+  bool full = 1;
+}
+
 message Checkpoint {
   uint64 sequence_number = 1;
   // Indicates whether bcs_data contains full CheckpointData (true) or just CertifiedCheckpointSummary (false)

crates/iota-grpc-api/proto/common.proto

@@ -15,7 +15,47 @@ message Address {
   bytes address = 1;
 }
 
-// 32-byte Transaction digest
-message TransactionDigest {
+// Generic 32-byte digest (used for transactions, objects, etc.)
+message Digest {
   bytes digest = 1;
 }
+
+// Match all events (catch-all filter)
+message AllFilter {
+}
+
+// Filter by address (sender, package, etc.)
+message AddressFilter {
+  Address address = 1;
+}
+
+// Filter by transaction digest
+message TransactionDigestFilter {
+  Digest tx_digest = 1;
+}
+
+// Filter by Move module (package + module)
+message MoveModuleFilter {
+  Address package_id = 1;         // Package ID
+  string module = 2;              // Module name
+}
+
+// Filter by Move event type (package + module + event name)
+message MoveEventTypeFilter {
+  Address package_id = 1;         // Package ID
+  string module = 2;              // Module name
+  string name = 3;                // Event name
+}
+
+// Filter by Move event module (package + module)
+message MoveEventModuleFilter {
+  Address package_id = 1;         // Package ID
+  string module = 2;              // Module name
+}
+
+// Filter by Move function (package + module + function)
+message MoveFunctionFilter {
+  Address package_id = 1;         // Package ID
+  optional string module = 2;     // Module name (optional)
+  optional string function = 3;   // Function name (optional)
+}

crates/iota-grpc-api/proto/event.proto

@@ -28,58 +28,24 @@ message Event {
 
 message EventID {
   uint64 event_seq = 1;
-  iota.grpc.common.TransactionDigest tx_digest = 2;
+  iota.grpc.common.Digest tx_digest = 2;
 }
 
 // Rich event filter that supports gRPC event filtering
 message EventFilter {
   oneof filter {
-    AllFilter all = 1;
-    SenderFilter sender = 2;
-    TransactionFilter transaction = 3;
-    MoveModuleFilter move_module = 4;
-    MoveEventTypeFilter move_event_type = 5;
-    MoveEventModuleFilter move_event_module = 6;
+    iota.grpc.common.AllFilter all = 1;
+    iota.grpc.common.AddressFilter sender = 2;
+    iota.grpc.common.TransactionDigestFilter transaction = 3;
+    iota.grpc.common.MoveModuleFilter move_module = 4;
+    iota.grpc.common.MoveEventTypeFilter move_event_type = 5;
+    iota.grpc.common.MoveEventModuleFilter move_event_module = 6;
     TimeRangeFilter time_range = 7;
   }
 }
 
-// Match all events (catch-all filter)
-message AllFilter {
-  // Empty - matches all events
-}
-
-// Filter by sender address
-message SenderFilter {
-  iota.grpc.common.Address sender = 1;           // Sender address
-}
-
-// Filter by transaction digest
-message TransactionFilter {
-  iota.grpc.common.TransactionDigest tx_digest = 1;        // Transaction digest
-}
-
-// Filter by transaction execution module (different from event definition module)
-message MoveModuleFilter {
-  iota.grpc.common.Address package_id = 1;       // Package ID
-  string module = 2;                             // Module name
-}
-
-// Filter by Move event type (package::module::event_name)
-message MoveEventTypeFilter {
-  iota.grpc.common.Address package_id = 1;      // Package ID
-  string module = 2;                         // Module name (e.g., "request")
-  string name = 3;                           // Event name (e.g., "RequestEvent")
-}
-
-// Filter by package and module
-message MoveEventModuleFilter {
-  iota.grpc.common.Address package_id = 1;   // Package ID
-  string module = 2;                         // Module name
-}
-
 // Filter by timestamp range
 message TimeRangeFilter {
   uint64 start_time = 1;       // Start time in milliseconds since epoch (inclusive)
   uint64 end_time = 2;         // End time in milliseconds since epoch (exclusive)
-}
+}